2920 lines
		
	
	
		
			103 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			2920 lines
		
	
	
		
			103 KiB
		
	
	
	
		
			Ruby
		
	
	
	
| # frozen_string_literal: true
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| 
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| require 'spec_helper'
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| 
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| RSpec.describe Gitlab::Database::MigrationHelpers do
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|   include Database::TableSchemaHelpers
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|   include Database::TriggerHelpers
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| 
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|   let(:model) do
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|     ActiveRecord::Migration.new.extend(described_class)
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|   end
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| 
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|   before do
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|     allow(model).to receive(:puts)
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|   end
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| 
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|   describe '#remove_timestamps' do
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|     it 'can remove the default timestamps' do
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|       Gitlab::Database::MigrationHelpers::DEFAULT_TIMESTAMP_COLUMNS.each do |column_name|
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|         expect(model).to receive(:remove_column).with(:foo, column_name)
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|       end
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| 
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|       model.remove_timestamps(:foo)
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|     end
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| 
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|     it 'can remove custom timestamps' do
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|       expect(model).to receive(:remove_column).with(:foo, :bar)
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| 
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|       model.remove_timestamps(:foo, columns: [:bar])
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|     end
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|   end
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| 
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|   describe '#add_timestamps_with_timezone' do
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|     let(:in_transaction) { false }
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| 
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|     before do
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|       allow(model).to receive(:transaction_open?).and_return(in_transaction)
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|       allow(model).to receive(:disable_statement_timeout)
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|     end
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| 
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|     it 'adds "created_at" and "updated_at" fields with the "datetime_with_timezone" data type' do
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|       Gitlab::Database::MigrationHelpers::DEFAULT_TIMESTAMP_COLUMNS.each do |column_name|
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|         expect(model).to receive(:add_column).with(:foo, column_name, :datetime_with_timezone, { null: false })
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|       end
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| 
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|       model.add_timestamps_with_timezone(:foo)
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|     end
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| 
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|     it 'can disable the NOT NULL constraint' do
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|       Gitlab::Database::MigrationHelpers::DEFAULT_TIMESTAMP_COLUMNS.each do |column_name|
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|         expect(model).to receive(:add_column).with(:foo, column_name, :datetime_with_timezone, { null: true })
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|       end
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| 
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|       model.add_timestamps_with_timezone(:foo, null: true)
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|     end
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| 
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|     it 'can add just one column' do
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|       expect(model).to receive(:add_column).with(:foo, :created_at, :datetime_with_timezone, anything)
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|       expect(model).not_to receive(:add_column).with(:foo, :updated_at, :datetime_with_timezone, anything)
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| 
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|       model.add_timestamps_with_timezone(:foo, columns: [:created_at])
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|     end
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| 
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|     it 'can add choice of acceptable columns' do
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|       expect(model).to receive(:add_column).with(:foo, :created_at, :datetime_with_timezone, anything)
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|       expect(model).to receive(:add_column).with(:foo, :deleted_at, :datetime_with_timezone, anything)
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|       expect(model).not_to receive(:add_column).with(:foo, :updated_at, :datetime_with_timezone, anything)
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| 
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|       model.add_timestamps_with_timezone(:foo, columns: [:created_at, :deleted_at])
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|     end
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| 
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|     it 'cannot add unacceptable column names' do
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|       expect do
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|         model.add_timestamps_with_timezone(:foo, columns: [:bar])
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|       end.to raise_error %r/Illegal timestamp column name/
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|     end
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| 
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|     context 'in a transaction' do
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|       let(:in_transaction) { true }
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| 
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|       before do
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|         allow(model).to receive(:add_column).with(any_args).and_call_original
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|         allow(model).to receive(:add_column)
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|           .with(:foo, anything, :datetime_with_timezone, anything)
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|           .and_return(nil)
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|       end
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| 
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|       it 'cannot add a default value' do
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|         expect do
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|           model.add_timestamps_with_timezone(:foo, default: :i_cause_an_error)
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|         end.to raise_error %r/add_timestamps_with_timezone/
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|       end
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| 
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|       it 'can add columns without defaults' do
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|         expect do
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|           model.add_timestamps_with_timezone(:foo)
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|         end.not_to raise_error
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|       end
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|     end
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|   end
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| 
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|   describe '#create_table_with_constraints' do
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|     let(:table_name) { :test_table }
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|     let(:column_attributes) do
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|       [
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|         { name: 'id',         sql_type: 'bigint',                   null: false, default: nil    },
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|         { name: 'created_at', sql_type: 'timestamp with time zone', null: false, default: nil    },
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|         { name: 'updated_at', sql_type: 'timestamp with time zone', null: false, default: nil    },
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|         { name: 'some_id',    sql_type: 'integer',                  null: false, default: nil    },
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|         { name: 'active',     sql_type: 'boolean',                  null: false, default: 'true' },
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|         { name: 'name',       sql_type: 'text',                     null: true,  default: nil    }
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|       ]
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|     end
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| 
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|     before do
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|       allow(model).to receive(:transaction_open?).and_return(true)
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|     end
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| 
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|     context 'when no check constraints are defined' do
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|       it 'creates the table as expected' do
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|         model.create_table_with_constraints table_name do |t|
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|           t.timestamps_with_timezone
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|           t.integer :some_id, null: false
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|           t.boolean :active, null: false, default: true
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|           t.text :name
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|         end
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| 
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|         expect_table_columns_to_match(column_attributes, table_name)
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|       end
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|     end
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| 
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|     context 'when check constraints are defined' do
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|       context 'when the text_limit is explicity named' do
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|         it 'creates the table as expected' do
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|           model.create_table_with_constraints table_name do |t|
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|             t.timestamps_with_timezone
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|             t.integer :some_id, null: false
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|             t.boolean :active, null: false, default: true
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|             t.text :name
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| 
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|             t.text_limit :name, 255, name: 'check_name_length'
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|             t.check_constraint :some_id_is_positive, 'some_id > 0'
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|           end
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| 
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|           expect_table_columns_to_match(column_attributes, table_name)
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| 
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|           expect_check_constraint(table_name, 'check_name_length', 'char_length(name) <= 255')
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|           expect_check_constraint(table_name, 'some_id_is_positive', 'some_id > 0')
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|         end
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|       end
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| 
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|       context 'when the text_limit is not named' do
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|         it 'creates the table as expected, naming the text limit' do
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|           model.create_table_with_constraints table_name do |t|
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|             t.timestamps_with_timezone
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|             t.integer :some_id, null: false
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|             t.boolean :active, null: false, default: true
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|             t.text :name
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| 
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|             t.text_limit :name, 255
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|             t.check_constraint :some_id_is_positive, 'some_id > 0'
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|           end
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| 
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|           expect_table_columns_to_match(column_attributes, table_name)
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| 
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|           expect_check_constraint(table_name, 'check_cda6f69506', 'char_length(name) <= 255')
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|           expect_check_constraint(table_name, 'some_id_is_positive', 'some_id > 0')
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|         end
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|       end
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| 
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|       it 'runs the change within a with_lock_retries' do
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|         expect(model).to receive(:with_lock_retries).ordered.and_yield
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|         expect(model).to receive(:create_table).ordered.and_call_original
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|         expect(model).to receive(:execute).with(<<~SQL).ordered
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|           ALTER TABLE "#{table_name}"\nADD CONSTRAINT "check_cda6f69506" CHECK (char_length("name") <= 255)
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|         SQL
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| 
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|         model.create_table_with_constraints table_name do |t|
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|           t.text :name
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|           t.text_limit :name, 255
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|         end
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|       end
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| 
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|       context 'when with_lock_retries re-runs the block' do
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|         it 'only creates constraint for unique definitions' do
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|           expected_sql = <<~SQL
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|             ALTER TABLE "#{table_name}"\nADD CONSTRAINT "check_cda6f69506" CHECK (char_length("name") <= 255)
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|           SQL
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| 
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|           expect(model).to receive(:create_table).twice.and_call_original
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| 
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|           expect(model).to receive(:execute).with(expected_sql).and_raise(ActiveRecord::LockWaitTimeout)
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|           expect(model).to receive(:execute).with(expected_sql).and_call_original
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| 
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|           model.create_table_with_constraints table_name do |t|
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|             t.timestamps_with_timezone
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|             t.integer :some_id, null: false
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|             t.boolean :active, null: false, default: true
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|             t.text :name
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| 
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|             t.text_limit :name, 255
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|           end
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| 
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|           expect_table_columns_to_match(column_attributes, table_name)
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| 
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|           expect_check_constraint(table_name, 'check_cda6f69506', 'char_length(name) <= 255')
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|         end
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|       end
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| 
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|       context 'when constraints are given invalid names' do
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|         let(:expected_max_length) { described_class::MAX_IDENTIFIER_NAME_LENGTH }
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|         let(:expected_error_message) { "The maximum allowed constraint name is #{expected_max_length} characters" }
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| 
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|         context 'when the explicit text limit name is not valid' do
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|           it 'raises an error' do
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|             too_long_length = expected_max_length + 1
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| 
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|             expect do
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|               model.create_table_with_constraints table_name do |t|
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|                 t.timestamps_with_timezone
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|                 t.integer :some_id, null: false
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|                 t.boolean :active, null: false, default: true
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|                 t.text :name
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| 
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|                 t.text_limit :name, 255, name: ('a' * too_long_length)
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|                 t.check_constraint :some_id_is_positive, 'some_id > 0'
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|               end
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|             end.to raise_error(expected_error_message)
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|           end
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|         end
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| 
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|         context 'when a check constraint name is not valid' do
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|           it 'raises an error' do
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|             too_long_length = expected_max_length + 1
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| 
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|             expect do
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|               model.create_table_with_constraints table_name do |t|
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|                 t.timestamps_with_timezone
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|                 t.integer :some_id, null: false
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|                 t.boolean :active, null: false, default: true
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|                 t.text :name
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| 
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|                 t.text_limit :name, 255
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|                 t.check_constraint ('a' * too_long_length), 'some_id > 0'
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|               end
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|             end.to raise_error(expected_error_message)
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|           end
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|         end
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|       end
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|     end
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|   end
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| 
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|   describe '#add_concurrent_index' do
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|     context 'outside a transaction' do
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|       before do
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|         allow(model).to receive(:transaction_open?).and_return(false)
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|         allow(model).to receive(:disable_statement_timeout).and_call_original
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|       end
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| 
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|       it 'creates the index concurrently' do
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|         expect(model).to receive(:add_index)
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|           .with(:users, :foo, algorithm: :concurrently)
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| 
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|         model.add_concurrent_index(:users, :foo)
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|       end
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| 
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|       it 'creates unique index concurrently' do
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|         expect(model).to receive(:add_index)
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|           .with(:users, :foo, { algorithm: :concurrently, unique: true })
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| 
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|         model.add_concurrent_index(:users, :foo, unique: true)
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|       end
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| 
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|       it 'does nothing if the index exists already' do
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|         expect(model).to receive(:index_exists?)
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|           .with(:users, :foo, { algorithm: :concurrently, unique: true }).and_return(true)
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|         expect(model).not_to receive(:add_index)
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| 
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|         model.add_concurrent_index(:users, :foo, unique: true)
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|       end
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|     end
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| 
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|     context 'inside a transaction' do
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|       it 'raises RuntimeError' do
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|         expect(model).to receive(:transaction_open?).and_return(true)
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| 
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|         expect { model.add_concurrent_index(:users, :foo) }
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|           .to raise_error(RuntimeError)
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|       end
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|     end
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|   end
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| 
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|   describe '#remove_concurrent_index' do
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|     context 'outside a transaction' do
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|       before do
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|         allow(model).to receive(:transaction_open?).and_return(false)
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|         allow(model).to receive(:index_exists?).and_return(true)
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|         allow(model).to receive(:disable_statement_timeout).and_call_original
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|       end
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| 
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|       describe 'by column name' do
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|         it 'removes the index concurrently' do
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|           expect(model).to receive(:remove_index)
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|             .with(:users, { algorithm: :concurrently, column: :foo })
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| 
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|           model.remove_concurrent_index(:users, :foo)
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|         end
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| 
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|         it 'does nothing if the index does not exist' do
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|           expect(model).to receive(:index_exists?)
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|             .with(:users, :foo, { algorithm: :concurrently, unique: true }).and_return(false)
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|           expect(model).not_to receive(:remove_index)
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| 
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|           model.remove_concurrent_index(:users, :foo, unique: true)
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|         end
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| 
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|         describe 'by index name' do
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|           before do
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|             allow(model).to receive(:index_exists_by_name?).with(:users, "index_x_by_y").and_return(true)
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|           end
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| 
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|           it 'removes the index concurrently by index name' do
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|             expect(model).to receive(:remove_index)
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|               .with(:users, { algorithm: :concurrently, name: "index_x_by_y" })
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| 
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|             model.remove_concurrent_index_by_name(:users, "index_x_by_y")
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|           end
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| 
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|           it 'does nothing if the index does not exist' do
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|             expect(model).to receive(:index_exists_by_name?).with(:users, "index_x_by_y").and_return(false)
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|             expect(model).not_to receive(:remove_index)
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| 
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|             model.remove_concurrent_index_by_name(:users, "index_x_by_y")
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|           end
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| 
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|           it 'removes the index with keyword arguments' do
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|             expect(model).to receive(:remove_index)
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|               .with(:users, { algorithm: :concurrently, name: "index_x_by_y" })
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| 
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|             model.remove_concurrent_index_by_name(:users, name: "index_x_by_y")
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|           end
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| 
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|           it 'raises an error if the index is blank' do
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|             expect do
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|               model.remove_concurrent_index_by_name(:users, wrong_key: "index_x_by_y")
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|             end.to raise_error 'remove_concurrent_index_by_name must get an index name as the second argument'
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|           end
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|         end
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|       end
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|     end
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| 
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|     context 'inside a transaction' do
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|       it 'raises RuntimeError' do
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|         expect(model).to receive(:transaction_open?).and_return(true)
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| 
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|         expect { model.remove_concurrent_index(:users, :foo) }
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|           .to raise_error(RuntimeError)
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|       end
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|     end
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|   end
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| 
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|   describe '#add_concurrent_foreign_key' do
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|     before do
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|       allow(model).to receive(:foreign_key_exists?).and_return(false)
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|     end
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| 
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|     context 'inside a transaction' do
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|       it 'raises an error' do
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|         expect(model).to receive(:transaction_open?).and_return(true)
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| 
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|         expect do
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|           model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
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|         end.to raise_error(RuntimeError)
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|       end
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|     end
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| 
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|     context 'outside a transaction' do
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|       before do
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|         allow(model).to receive(:transaction_open?).and_return(false)
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|       end
 | |
| 
 | |
|       context 'ON DELETE statements' do
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|         context 'on_delete: :nullify' do
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|           it 'appends ON DELETE SET NULL statement' do
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|             expect(model).to receive(:with_lock_retries).and_call_original
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|             expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|             expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|             expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|             expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
 | |
|             expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
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|             expect(model).to receive(:execute).with(/ON DELETE SET NULL/)
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| 
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|             model.add_concurrent_foreign_key(:projects, :users,
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|                                              column: :user_id,
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|                                              on_delete: :nullify)
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|           end
 | |
|         end
 | |
| 
 | |
|         context 'on_delete: :cascade' do
 | |
|           it 'appends ON DELETE CASCADE statement' do
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|             expect(model).to receive(:with_lock_retries).and_call_original
 | |
|             expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|             expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|             expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|             expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
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|             expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|             expect(model).to receive(:execute).with(/ON DELETE CASCADE/)
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| 
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|             model.add_concurrent_foreign_key(:projects, :users,
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|                                              column: :user_id,
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|                                              on_delete: :cascade)
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|           end
 | |
|         end
 | |
| 
 | |
|         context 'on_delete: nil' do
 | |
|           it 'appends no ON DELETE statement' do
 | |
|             expect(model).to receive(:with_lock_retries).and_call_original
 | |
|             expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|             expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|             expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|             expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
 | |
|             expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|             expect(model).not_to receive(:execute).with(/ON DELETE/)
 | |
| 
 | |
|             model.add_concurrent_foreign_key(:projects, :users,
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|                                              column: :user_id,
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|                                              on_delete: nil)
 | |
|           end
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when no custom key name is supplied' do
 | |
|         it 'creates a concurrent foreign key and validates it' do
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|           expect(model).to receive(:with_lock_retries).and_call_original
 | |
|           expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|           expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|           expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|           expect(model).to receive(:execute).ordered.with(/NOT VALID/)
 | |
|           expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
 | |
|           expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|           model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
 | |
|         end
 | |
| 
 | |
|         it 'does not create a foreign key if it exists already' do
 | |
|           name = model.concurrent_foreign_key_name(:projects, :user_id)
 | |
|           expect(model).to receive(:foreign_key_exists?).with(:projects, :users,
 | |
|                                                               column: :user_id,
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|                                                               on_delete: :cascade,
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|                                                               name: name).and_return(true)
 | |
| 
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|           expect(model).not_to receive(:execute).with(/ADD CONSTRAINT/)
 | |
|           expect(model).to receive(:execute).with(/VALIDATE CONSTRAINT/)
 | |
| 
 | |
|           model.add_concurrent_foreign_key(:projects, :users, column: :user_id)
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when a custom key name is supplied' do
 | |
|         context 'for creating a new foreign key for a column that does not presently exist' do
 | |
|           it 'creates a new foreign key' do
 | |
|             expect(model).to receive(:with_lock_retries).and_call_original
 | |
|             expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|             expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|             expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|             expect(model).to receive(:execute).ordered.with(/NOT VALID/)
 | |
|             expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT.+foo/)
 | |
|             expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|             model.add_concurrent_foreign_key(:projects, :users, column: :user_id, name: :foo)
 | |
|           end
 | |
|         end
 | |
| 
 | |
|         context 'for creating a duplicate foreign key for a column that presently exists' do
 | |
|           context 'when the supplied key name is the same as the existing foreign key name' do
 | |
|             it 'does not create a new foreign key' do
 | |
|               expect(model).to receive(:foreign_key_exists?).with(:projects, :users,
 | |
|                                                                   name: :foo,
 | |
|                                                                   on_delete: :cascade,
 | |
|                                                                   column: :user_id).and_return(true)
 | |
| 
 | |
|               expect(model).not_to receive(:execute).with(/ADD CONSTRAINT/)
 | |
|               expect(model).to receive(:execute).with(/VALIDATE CONSTRAINT/)
 | |
| 
 | |
|               model.add_concurrent_foreign_key(:projects, :users, column: :user_id, name: :foo)
 | |
|             end
 | |
|           end
 | |
| 
 | |
|           context 'when the supplied key name is different from the existing foreign key name' do
 | |
|             it 'creates a new foreign key' do
 | |
|               expect(model).to receive(:with_lock_retries).and_call_original
 | |
|               expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|               expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|               expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|               expect(model).to receive(:execute).ordered.with(/NOT VALID/)
 | |
|               expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT.+bar/)
 | |
|               expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|               model.add_concurrent_foreign_key(:projects, :users, column: :user_id, name: :bar)
 | |
|             end
 | |
|           end
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       describe 'validate option' do
 | |
|         let(:args) { [:projects, :users] }
 | |
|         let(:options) { { column: :user_id, on_delete: nil } }
 | |
| 
 | |
|         context 'when validate is supplied with a falsey value' do
 | |
|           it_behaves_like 'skips validation', validate: false
 | |
|           it_behaves_like 'skips validation', validate: nil
 | |
|         end
 | |
| 
 | |
|         context 'when validate is supplied with a truthy value' do
 | |
|           it_behaves_like 'performs validation', validate: true
 | |
|           it_behaves_like 'performs validation', validate: :whatever
 | |
|         end
 | |
| 
 | |
|         context 'when validate is not supplied' do
 | |
|           it_behaves_like 'performs validation', {}
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#validate_foreign_key' do
 | |
|     context 'when name is provided' do
 | |
|       it 'does not infer the foreign key constraint name' do
 | |
|         expect(model).to receive(:foreign_key_exists?).with(:projects, name: :foo).and_return(true)
 | |
| 
 | |
|         aggregate_failures do
 | |
|           expect(model).not_to receive(:concurrent_foreign_key_name)
 | |
|           expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|           expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|           expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|           expect(model).to receive(:execute).ordered.with(/ALTER TABLE projects VALIDATE CONSTRAINT/)
 | |
|           expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
|         end
 | |
| 
 | |
|         model.validate_foreign_key(:projects, :user_id, name: :foo)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when name is not provided' do
 | |
|       it 'infers the foreign key constraint name' do
 | |
|         expect(model).to receive(:foreign_key_exists?).with(:projects, name: anything).and_return(true)
 | |
| 
 | |
|         aggregate_failures do
 | |
|           expect(model).to receive(:concurrent_foreign_key_name)
 | |
|           expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|           expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|           expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|           expect(model).to receive(:execute).ordered.with(/ALTER TABLE projects VALIDATE CONSTRAINT/)
 | |
|           expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
|         end
 | |
| 
 | |
|         model.validate_foreign_key(:projects, :user_id)
 | |
|       end
 | |
| 
 | |
|       context 'when the inferred foreign key constraint does not exist' do
 | |
|         it 'raises an error' do
 | |
|           expect(model).to receive(:foreign_key_exists?).and_return(false)
 | |
| 
 | |
|           error_message = /Could not find foreign key "fk_name" on table "projects"/
 | |
|           expect { model.validate_foreign_key(:projects, :user_id, name: :fk_name) }.to raise_error(error_message)
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#concurrent_foreign_key_name' do
 | |
|     it 'returns the name for a foreign key' do
 | |
|       name = model.concurrent_foreign_key_name(:this_is_a_very_long_table_name,
 | |
|                                                :with_a_very_long_column_name)
 | |
| 
 | |
|       expect(name).to be_an_instance_of(String)
 | |
|       expect(name.length).to eq(13)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#foreign_key_exists?' do
 | |
|     before do
 | |
|       key = ActiveRecord::ConnectionAdapters::ForeignKeyDefinition.new(:projects, :users, { column: :non_standard_id, name: :fk_projects_users_non_standard_id, on_delete: :cascade })
 | |
|       allow(model).to receive(:foreign_keys).with(:projects).and_return([key])
 | |
|     end
 | |
| 
 | |
|     shared_examples_for 'foreign key checks' do
 | |
|       it 'finds existing foreign keys by column' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, column: :non_standard_id)).to be_truthy
 | |
|       end
 | |
| 
 | |
|       it 'finds existing foreign keys by name' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id)).to be_truthy
 | |
|       end
 | |
| 
 | |
|       it 'finds existing foreign_keys by name and column' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id, column: :non_standard_id)).to be_truthy
 | |
|       end
 | |
| 
 | |
|       it 'finds existing foreign_keys by name, column and on_delete' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id, column: :non_standard_id, on_delete: :cascade)).to be_truthy
 | |
|       end
 | |
| 
 | |
|       it 'finds existing foreign keys by target table only' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table)).to be_truthy
 | |
|       end
 | |
| 
 | |
|       it 'compares by column name if given' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, column: :user_id)).to be_falsey
 | |
|       end
 | |
| 
 | |
|       it 'compares by foreign key name if given' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, name: :non_existent_foreign_key_name)).to be_falsey
 | |
|       end
 | |
| 
 | |
|       it 'compares by foreign key name and column if given' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, name: :non_existent_foreign_key_name, column: :non_standard_id)).to be_falsey
 | |
|       end
 | |
| 
 | |
|       it 'compares by foreign key name, column and on_delete if given' do
 | |
|         expect(model.foreign_key_exists?(:projects, target_table, name: :fk_projects_users_non_standard_id, column: :non_standard_id, on_delete: :nullify)).to be_falsey
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'without specifying a target table' do
 | |
|       let(:target_table) { nil }
 | |
| 
 | |
|       it_behaves_like 'foreign key checks'
 | |
|     end
 | |
| 
 | |
|     context 'specifying a target table' do
 | |
|       let(:target_table) { :users }
 | |
| 
 | |
|       it_behaves_like 'foreign key checks'
 | |
|     end
 | |
| 
 | |
|     it 'compares by target table if no column given' do
 | |
|       expect(model.foreign_key_exists?(:projects, :other_table)).to be_falsey
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#disable_statement_timeout' do
 | |
|     it 'disables statement timeouts to current transaction only' do
 | |
|       expect(model).to receive(:execute).with('SET LOCAL statement_timeout TO 0')
 | |
| 
 | |
|       model.disable_statement_timeout
 | |
|     end
 | |
| 
 | |
|     # this specs runs without an enclosing transaction (:delete truncation method for db_cleaner)
 | |
|     context 'with real environment', :delete do
 | |
|       before do
 | |
|         model.execute("SET statement_timeout TO '20000'")
 | |
|       end
 | |
| 
 | |
|       after do
 | |
|         model.execute('RESET ALL')
 | |
|       end
 | |
| 
 | |
|       it 'defines statement to 0 only for current transaction' do
 | |
|         expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
 | |
| 
 | |
|         model.connection.transaction do
 | |
|           model.disable_statement_timeout
 | |
|           expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
 | |
|         end
 | |
| 
 | |
|         expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
 | |
|       end
 | |
| 
 | |
|       context 'when passing a blocks' do
 | |
|         it 'disables statement timeouts on session level and executes the block' do
 | |
|           expect(model).to receive(:execute).with('SET statement_timeout TO 0')
 | |
|           expect(model).to receive(:execute).with('RESET ALL').at_least(:once)
 | |
| 
 | |
|           expect { |block| model.disable_statement_timeout(&block) }.to yield_control
 | |
|         end
 | |
| 
 | |
|         # this specs runs without an enclosing transaction (:delete truncation method for db_cleaner)
 | |
|         context 'with real environment', :delete do
 | |
|           before do
 | |
|             model.execute("SET statement_timeout TO '20000'")
 | |
|           end
 | |
| 
 | |
|           after do
 | |
|             model.execute('RESET ALL')
 | |
|           end
 | |
| 
 | |
|           it 'defines statement to 0 for any code run inside the block' do
 | |
|             expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('20s')
 | |
| 
 | |
|             model.disable_statement_timeout do
 | |
|               model.connection.transaction do
 | |
|                 expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
 | |
|               end
 | |
| 
 | |
|               expect(model.execute('SHOW statement_timeout').first['statement_timeout']).to eq('0')
 | |
|             end
 | |
|           end
 | |
|         end
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     # This spec runs without an enclosing transaction (:delete truncation method for db_cleaner)
 | |
|     context 'when the statement_timeout is already disabled', :delete do
 | |
|       before do
 | |
|         ActiveRecord::Base.connection.execute('SET statement_timeout TO 0')
 | |
|       end
 | |
| 
 | |
|       after do
 | |
|         # Use ActiveRecord::Base.connection instead of model.execute
 | |
|         # so that this call is not counted below
 | |
|         ActiveRecord::Base.connection.execute('RESET ALL')
 | |
|       end
 | |
| 
 | |
|       it 'yields control without disabling the timeout or resetting' do
 | |
|         expect(model).not_to receive(:execute).with('SET statement_timeout TO 0')
 | |
|         expect(model).not_to receive(:execute).with('RESET ALL')
 | |
| 
 | |
|         expect { |block| model.disable_statement_timeout(&block) }.to yield_control
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#true_value' do
 | |
|     it 'returns the appropriate value' do
 | |
|       expect(model.true_value).to eq("'t'")
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#false_value' do
 | |
|     it 'returns the appropriate value' do
 | |
|       expect(model.false_value).to eq("'f'")
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#update_column_in_batches' do
 | |
|     context 'when running outside of a transaction' do
 | |
|       before do
 | |
|         expect(model).to receive(:transaction_open?).and_return(false)
 | |
| 
 | |
|         create_list(:project, 5)
 | |
|       end
 | |
| 
 | |
|       it 'updates all the rows in a table' do
 | |
|         model.update_column_in_batches(:projects, :description_html, 'foo')
 | |
| 
 | |
|         expect(Project.where(description_html: 'foo').count).to eq(5)
 | |
|       end
 | |
| 
 | |
|       it 'updates boolean values correctly' do
 | |
|         model.update_column_in_batches(:projects, :archived, true)
 | |
| 
 | |
|         expect(Project.where(archived: true).count).to eq(5)
 | |
|       end
 | |
| 
 | |
|       context 'when a block is supplied' do
 | |
|         it 'yields an Arel table and query object to the supplied block' do
 | |
|           first_id = Project.first.id
 | |
| 
 | |
|           model.update_column_in_batches(:projects, :archived, true) do |t, query|
 | |
|             query.where(t[:id].eq(first_id))
 | |
|           end
 | |
| 
 | |
|           expect(Project.where(archived: true).count).to eq(1)
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when the value is Arel.sql (Arel::Nodes::SqlLiteral)' do
 | |
|         it 'updates the value as a SQL expression' do
 | |
|           model.update_column_in_batches(:projects, :star_count, Arel.sql('1+1'))
 | |
| 
 | |
|           expect(Project.sum(:star_count)).to eq(2 * Project.count)
 | |
|         end
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when running inside the transaction' do
 | |
|       it 'raises RuntimeError' do
 | |
|         expect(model).to receive(:transaction_open?).and_return(true)
 | |
| 
 | |
|         expect do
 | |
|           model.update_column_in_batches(:projects, :star_count, Arel.sql('1+1'))
 | |
|         end.to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#add_column_with_default' do
 | |
|     let(:column) { Project.columns.find { |c| c.name == "id" } }
 | |
| 
 | |
|     it 'delegates to #add_column' do
 | |
|       expect(model).to receive(:add_column).with(:projects, :foo, :integer, default: 10, limit: nil, null: true)
 | |
| 
 | |
|       model.add_column_with_default(:projects, :foo, :integer,
 | |
|                                     default: 10,
 | |
|                                     allow_null: true)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#rename_column_concurrently' do
 | |
|     context 'in a transaction' do
 | |
|       it 'raises RuntimeError' do
 | |
|         allow(model).to receive(:transaction_open?).and_return(true)
 | |
| 
 | |
|         expect { model.rename_column_concurrently(:users, :old, :new) }
 | |
|           .to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'outside a transaction' do
 | |
|       let(:old_column) do
 | |
|         double(:column,
 | |
|                type: :integer,
 | |
|                limit: 8,
 | |
|                default: 0,
 | |
|                null: false,
 | |
|                precision: 5,
 | |
|                scale: 1)
 | |
|       end
 | |
| 
 | |
|       let(:trigger_name) { model.rename_trigger_name(:users, :old, :new) }
 | |
| 
 | |
|       before do
 | |
|         allow(model).to receive(:transaction_open?).and_return(false)
 | |
|       end
 | |
| 
 | |
|       context 'when the column to rename exists' do
 | |
|         before do
 | |
|           allow(model).to receive(:column_for).and_return(old_column)
 | |
|         end
 | |
| 
 | |
|         it 'renames a column concurrently' do
 | |
|           expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|           expect(model).to receive(:install_rename_triggers_for_postgresql)
 | |
|             .with(:users, :old, :new)
 | |
| 
 | |
|           expect(model).to receive(:add_column)
 | |
|             .with(:users, :new, :integer,
 | |
|                  limit: old_column.limit,
 | |
|                  precision: old_column.precision,
 | |
|                  scale: old_column.scale)
 | |
| 
 | |
|           expect(model).to receive(:change_column_default)
 | |
|             .with(:users, :new, old_column.default)
 | |
| 
 | |
|           expect(model).to receive(:update_column_in_batches)
 | |
| 
 | |
|           expect(model).to receive(:add_not_null_constraint).with(:users, :new)
 | |
| 
 | |
|           expect(model).to receive(:copy_indexes).with(:users, :old, :new)
 | |
|           expect(model).to receive(:copy_foreign_keys).with(:users, :old, :new)
 | |
|           expect(model).to receive(:copy_check_constraints).with(:users, :old, :new)
 | |
| 
 | |
|           model.rename_column_concurrently(:users, :old, :new)
 | |
|         end
 | |
| 
 | |
|         context 'with existing records and type casting' do
 | |
|           let(:trigger_name) { model.rename_trigger_name(:users, :id, :new) }
 | |
|           let(:user) { create(:user) }
 | |
|           let(:copy_trigger) { double('copy trigger') }
 | |
| 
 | |
|           before do
 | |
|             expect(Gitlab::Database::UnidirectionalCopyTrigger).to receive(:on_table)
 | |
|               .with(:users).and_return(copy_trigger)
 | |
|           end
 | |
| 
 | |
|           it 'copies the value to the new column using the type_cast_function', :aggregate_failures do
 | |
|             expect(model).to receive(:copy_indexes).with(:users, :id, :new)
 | |
|             expect(model).to receive(:add_not_null_constraint).with(:users, :new)
 | |
|             expect(model).to receive(:execute).with("UPDATE \"users\" SET \"new\" = cast_to_jsonb_with_default(\"users\".\"id\") WHERE \"users\".\"id\" >= #{user.id}")
 | |
|             expect(copy_trigger).to receive(:create).with(:id, :new, trigger_name: nil)
 | |
| 
 | |
|             model.rename_column_concurrently(:users, :id, :new, type_cast_function: 'cast_to_jsonb_with_default')
 | |
|           end
 | |
|         end
 | |
| 
 | |
|         it 'passes the batch_column_name' do
 | |
|           expect(model).to receive(:column_exists?).with(:users, :other_batch_column).and_return(true)
 | |
|           expect(model).to receive(:check_trigger_permissions!).and_return(true)
 | |
| 
 | |
|           expect(model).to receive(:create_column_from).with(
 | |
|             :users, :old, :new, type: nil, batch_column_name: :other_batch_column, type_cast_function: nil
 | |
|           ).and_return(true)
 | |
| 
 | |
|           expect(model).to receive(:install_rename_triggers).and_return(true)
 | |
| 
 | |
|           model.rename_column_concurrently(:users, :old, :new, batch_column_name: :other_batch_column)
 | |
|         end
 | |
| 
 | |
|         it 'passes the type_cast_function' do
 | |
|           expect(model).to receive(:create_column_from).with(
 | |
|             :users, :old, :new, type: nil, batch_column_name: :id, type_cast_function: 'JSON'
 | |
|           ).and_return(true)
 | |
| 
 | |
|           model.rename_column_concurrently(:users, :old, :new, type_cast_function: 'JSON')
 | |
|         end
 | |
| 
 | |
|         it 'raises an error with invalid batch_column_name' do
 | |
|           expect do
 | |
|             model.rename_column_concurrently(:users, :old, :new, batch_column_name: :invalid)
 | |
|           end.to raise_error(RuntimeError, /Column invalid does not exist on users/)
 | |
|         end
 | |
| 
 | |
|         context 'when default is false' do
 | |
|           let(:old_column) do
 | |
|             double(:column,
 | |
|                  type: :boolean,
 | |
|                  limit: nil,
 | |
|                  default: false,
 | |
|                  null: false,
 | |
|                  precision: nil,
 | |
|                  scale: nil)
 | |
|           end
 | |
| 
 | |
|           it 'copies the default to the new column' do
 | |
|             expect(model).to receive(:change_column_default)
 | |
|               .with(:users, :new, old_column.default)
 | |
| 
 | |
|             expect(model).to receive(:copy_check_constraints)
 | |
|               .with(:users, :old, :new)
 | |
| 
 | |
|             model.rename_column_concurrently(:users, :old, :new)
 | |
|           end
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when the column to be renamed does not exist' do
 | |
|         before do
 | |
|           allow(model).to receive(:columns).and_return([])
 | |
|         end
 | |
| 
 | |
|         it 'raises an error with appropriate message' do
 | |
|           expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|           error_message = /Could not find column "missing_column" on table "users"/
 | |
|           expect { model.rename_column_concurrently(:users, :missing_column, :new) }.to raise_error(error_message)
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#undo_rename_column_concurrently' do
 | |
|     it 'reverses the operations of rename_column_concurrently' do
 | |
|       expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|       expect(model).to receive(:remove_rename_triggers_for_postgresql)
 | |
|         .with(:users, /trigger_.{12}/)
 | |
| 
 | |
|       expect(model).to receive(:remove_column).with(:users, :new)
 | |
| 
 | |
|       model.undo_rename_column_concurrently(:users, :old, :new)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#cleanup_concurrent_column_rename' do
 | |
|     it 'cleans up the renaming procedure' do
 | |
|       expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|       expect(model).to receive(:remove_rename_triggers_for_postgresql)
 | |
|         .with(:users, /trigger_.{12}/)
 | |
| 
 | |
|       expect(model).to receive(:remove_column).with(:users, :old)
 | |
| 
 | |
|       model.cleanup_concurrent_column_rename(:users, :old, :new)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#undo_cleanup_concurrent_column_rename' do
 | |
|     context 'in a transaction' do
 | |
|       it 'raises RuntimeError' do
 | |
|         allow(model).to receive(:transaction_open?).and_return(true)
 | |
| 
 | |
|         expect { model.undo_cleanup_concurrent_column_rename(:users, :old, :new) }
 | |
|           .to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'outside a transaction' do
 | |
|       let(:new_column) do
 | |
|         double(:column,
 | |
|               type: :integer,
 | |
|               limit: 8,
 | |
|               default: 0,
 | |
|               null: false,
 | |
|               precision: 5,
 | |
|               scale: 1)
 | |
|       end
 | |
| 
 | |
|       let(:trigger_name) { model.rename_trigger_name(:users, :old, :new) }
 | |
| 
 | |
|       before do
 | |
|         allow(model).to receive(:transaction_open?).and_return(false)
 | |
|         allow(model).to receive(:column_for).and_return(new_column)
 | |
|       end
 | |
| 
 | |
|       it 'reverses the operations of cleanup_concurrent_column_rename' do
 | |
|         expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers_for_postgresql)
 | |
|           .with(:users, :old, :new)
 | |
| 
 | |
|         expect(model).to receive(:add_column)
 | |
|           .with(:users, :old, :integer,
 | |
|               limit: new_column.limit,
 | |
|               precision: new_column.precision,
 | |
|               scale: new_column.scale)
 | |
| 
 | |
|         expect(model).to receive(:change_column_default)
 | |
|           .with(:users, :old, new_column.default)
 | |
| 
 | |
|         expect(model).to receive(:update_column_in_batches)
 | |
| 
 | |
|         expect(model).to receive(:add_not_null_constraint).with(:users, :old)
 | |
| 
 | |
|         expect(model).to receive(:copy_indexes).with(:users, :new, :old)
 | |
|         expect(model).to receive(:copy_foreign_keys).with(:users, :new, :old)
 | |
|         expect(model).to receive(:copy_check_constraints).with(:users, :new, :old)
 | |
| 
 | |
|         model.undo_cleanup_concurrent_column_rename(:users, :old, :new)
 | |
|       end
 | |
| 
 | |
|       it 'passes the batch_column_name' do
 | |
|         expect(model).to receive(:column_exists?).with(:users, :other_batch_column).and_return(true)
 | |
|         expect(model).to receive(:check_trigger_permissions!).and_return(true)
 | |
| 
 | |
|         expect(model).to receive(:create_column_from).with(
 | |
|           :users, :new, :old, type: nil, batch_column_name: :other_batch_column
 | |
|         ).and_return(true)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers).and_return(true)
 | |
| 
 | |
|         model.undo_cleanup_concurrent_column_rename(:users, :old, :new, batch_column_name: :other_batch_column)
 | |
|       end
 | |
| 
 | |
|       it 'raises an error with invalid batch_column_name' do
 | |
|         expect do
 | |
|           model.undo_cleanup_concurrent_column_rename(:users, :old, :new, batch_column_name: :invalid)
 | |
|         end.to raise_error(RuntimeError, /Column invalid does not exist on users/)
 | |
|       end
 | |
| 
 | |
|       context 'when default is false' do
 | |
|         let(:new_column) do
 | |
|           double(:column,
 | |
|                type: :boolean,
 | |
|                limit: nil,
 | |
|                default: false,
 | |
|                null: false,
 | |
|                precision: nil,
 | |
|                scale: nil)
 | |
|         end
 | |
| 
 | |
|         it 'copies the default to the old column' do
 | |
|           expect(model).to receive(:change_column_default)
 | |
|             .with(:users, :old, new_column.default)
 | |
| 
 | |
|           expect(model).to receive(:copy_check_constraints)
 | |
|             .with(:users, :new, :old)
 | |
| 
 | |
|           model.undo_cleanup_concurrent_column_rename(:users, :old, :new)
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#change_column_type_concurrently' do
 | |
|     it 'changes the column type' do
 | |
|       expect(model).to receive(:rename_column_concurrently)
 | |
|         .with('users', 'username', 'username_for_type_change', type: :text, type_cast_function: nil, batch_column_name: :id)
 | |
| 
 | |
|       model.change_column_type_concurrently('users', 'username', :text)
 | |
|     end
 | |
| 
 | |
|     it 'passed the batch column name' do
 | |
|       expect(model).to receive(:rename_column_concurrently)
 | |
|         .with('users', 'username', 'username_for_type_change', type: :text, type_cast_function: nil, batch_column_name: :user_id)
 | |
| 
 | |
|       model.change_column_type_concurrently('users', 'username', :text, batch_column_name: :user_id)
 | |
|     end
 | |
| 
 | |
|     context 'with type cast' do
 | |
|       it 'changes the column type with casting the value to the new type' do
 | |
|         expect(model).to receive(:rename_column_concurrently)
 | |
|           .with('users', 'username', 'username_for_type_change', type: :text, type_cast_function: 'JSON', batch_column_name: :id)
 | |
| 
 | |
|         model.change_column_type_concurrently('users', 'username', :text, type_cast_function: 'JSON')
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#undo_change_column_type_concurrently' do
 | |
|     it 'reverses the operations of change_column_type_concurrently' do
 | |
|       expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|       expect(model).to receive(:remove_rename_triggers_for_postgresql)
 | |
|         .with(:users, /trigger_.{12}/)
 | |
| 
 | |
|       expect(model).to receive(:remove_column).with(:users, "old_for_type_change")
 | |
| 
 | |
|       model.undo_change_column_type_concurrently(:users, :old)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#cleanup_concurrent_column_type_change' do
 | |
|     it 'cleans up the type changing procedure' do
 | |
|       expect(model).to receive(:cleanup_concurrent_column_rename)
 | |
|         .with('users', 'username', 'username_for_type_change')
 | |
| 
 | |
|       expect(model).to receive(:rename_column)
 | |
|         .with('users', 'username_for_type_change', 'username')
 | |
| 
 | |
|       model.cleanup_concurrent_column_type_change('users', 'username')
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#undo_cleanup_concurrent_column_type_change' do
 | |
|     context 'in a transaction' do
 | |
|       it 'raises RuntimeError' do
 | |
|         allow(model).to receive(:transaction_open?).and_return(true)
 | |
| 
 | |
|         expect { model.undo_cleanup_concurrent_column_type_change(:users, :old, :new) }
 | |
|           .to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'outside a transaction' do
 | |
|       let(:temp_column) { "old_for_type_change" }
 | |
| 
 | |
|       let(:temp_undo_cleanup_column) do
 | |
|         identifier = "users_old_for_type_change"
 | |
|         hashed_identifier = Digest::SHA256.hexdigest(identifier).first(10)
 | |
|         "tmp_undo_cleanup_column_#{hashed_identifier}"
 | |
|       end
 | |
| 
 | |
|       let(:trigger_name) { model.rename_trigger_name(:users, :old, :old_for_type_change) }
 | |
| 
 | |
|       before do
 | |
|         allow(model).to receive(:transaction_open?).and_return(false)
 | |
|       end
 | |
| 
 | |
|       it 'reverses the operations of cleanup_concurrent_column_type_change' do
 | |
|         expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|         expect(model).to receive(:create_column_from).with(
 | |
|           :users,
 | |
|           :old,
 | |
|           temp_undo_cleanup_column,
 | |
|           type: :string,
 | |
|           batch_column_name: :id,
 | |
|           type_cast_function: nil,
 | |
|           limit: nil
 | |
|         ).and_return(true)
 | |
| 
 | |
|         expect(model).to receive(:rename_column)
 | |
|           .with(:users, :old, temp_column)
 | |
| 
 | |
|         expect(model).to receive(:rename_column)
 | |
|           .with(:users, temp_undo_cleanup_column, :old)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers_for_postgresql)
 | |
|           .with(:users, :old, 'old_for_type_change')
 | |
| 
 | |
|         model.undo_cleanup_concurrent_column_type_change(:users, :old, :string)
 | |
|       end
 | |
| 
 | |
|       it 'passes the type_cast_function, batch_column_name and limit' do
 | |
|         expect(model).to receive(:column_exists?).with(:users, :other_batch_column).and_return(true)
 | |
|         expect(model).to receive(:check_trigger_permissions!).with(:users)
 | |
| 
 | |
|         expect(model).to receive(:create_column_from).with(
 | |
|           :users,
 | |
|           :old,
 | |
|           temp_undo_cleanup_column,
 | |
|           type: :string,
 | |
|           batch_column_name: :other_batch_column,
 | |
|           type_cast_function: :custom_type_cast_function,
 | |
|           limit: 8
 | |
|         ).and_return(true)
 | |
| 
 | |
|         expect(model).to receive(:rename_column)
 | |
|           .with(:users, :old, temp_column)
 | |
| 
 | |
|         expect(model).to receive(:rename_column)
 | |
|           .with(:users, temp_undo_cleanup_column, :old)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers_for_postgresql)
 | |
|           .with(:users, :old, 'old_for_type_change')
 | |
| 
 | |
|         model.undo_cleanup_concurrent_column_type_change(
 | |
|           :users,
 | |
|           :old,
 | |
|           :string,
 | |
|           type_cast_function: :custom_type_cast_function,
 | |
|           batch_column_name: :other_batch_column,
 | |
|           limit: 8
 | |
|         )
 | |
|       end
 | |
| 
 | |
|       it 'raises an error with invalid batch_column_name' do
 | |
|         expect do
 | |
|           model.undo_cleanup_concurrent_column_type_change(:users, :old, :new, batch_column_name: :invalid)
 | |
|         end.to raise_error(RuntimeError, /Column invalid does not exist on users/)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#install_rename_triggers_for_postgresql' do
 | |
|     it 'installs the triggers for PostgreSQL' do
 | |
|       copy_trigger = double('copy trigger')
 | |
| 
 | |
|       expect(Gitlab::Database::UnidirectionalCopyTrigger).to receive(:on_table)
 | |
|         .with(:users).and_return(copy_trigger)
 | |
| 
 | |
|       expect(copy_trigger).to receive(:create).with(:old, :new, trigger_name: 'foo')
 | |
| 
 | |
|       model.install_rename_triggers_for_postgresql(:users, :old, :new, trigger_name: 'foo')
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#remove_rename_triggers_for_postgresql' do
 | |
|     it 'removes the function and trigger' do
 | |
|       copy_trigger = double('copy trigger')
 | |
| 
 | |
|       expect(Gitlab::Database::UnidirectionalCopyTrigger).to receive(:on_table)
 | |
|         .with('bar').and_return(copy_trigger)
 | |
| 
 | |
|       expect(copy_trigger).to receive(:drop).with('foo')
 | |
| 
 | |
|       model.remove_rename_triggers_for_postgresql('bar', 'foo')
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#rename_trigger_name' do
 | |
|     it 'returns a String' do
 | |
|       expect(model.rename_trigger_name(:users, :foo, :bar))
 | |
|         .to match(/trigger_.{12}/)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#indexes_for' do
 | |
|     it 'returns the indexes for a column' do
 | |
|       idx1 = double(:idx, columns: %w(project_id))
 | |
|       idx2 = double(:idx, columns: %w(user_id))
 | |
| 
 | |
|       allow(model).to receive(:indexes).with('table').and_return([idx1, idx2])
 | |
| 
 | |
|       expect(model.indexes_for('table', :user_id)).to eq([idx2])
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#foreign_keys_for' do
 | |
|     it 'returns the foreign keys for a column' do
 | |
|       fk1 = double(:fk, column: 'project_id')
 | |
|       fk2 = double(:fk, column: 'user_id')
 | |
| 
 | |
|       allow(model).to receive(:foreign_keys).with('table').and_return([fk1, fk2])
 | |
| 
 | |
|       expect(model.foreign_keys_for('table', :user_id)).to eq([fk2])
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#copy_indexes' do
 | |
|     context 'using a regular index using a single column' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id),
 | |
|                        name: 'index_on_issues_project_id',
 | |
|                        using: nil,
 | |
|                        where: nil,
 | |
|                        opclasses: {},
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id',
 | |
|                length: [],
 | |
|                order: [])
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'using a regular index with multiple columns' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id foobar),
 | |
|                        name: 'index_on_issues_project_id_foobar',
 | |
|                        using: nil,
 | |
|                        where: nil,
 | |
|                        opclasses: {},
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id foobar),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id_foobar',
 | |
|                length: [],
 | |
|                order: [])
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'using an index with a WHERE clause' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id),
 | |
|                        name: 'index_on_issues_project_id',
 | |
|                        using: nil,
 | |
|                        where: 'foo',
 | |
|                        opclasses: {},
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id',
 | |
|                length: [],
 | |
|                order: [],
 | |
|                where: 'foo')
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'using an index with a USING clause' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id),
 | |
|                        name: 'index_on_issues_project_id',
 | |
|                        where: nil,
 | |
|                        using: 'foo',
 | |
|                        opclasses: {},
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id',
 | |
|                length: [],
 | |
|                order: [],
 | |
|                using: 'foo')
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'using an index with custom operator classes' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id),
 | |
|                        name: 'index_on_issues_project_id',
 | |
|                        using: nil,
 | |
|                        where: nil,
 | |
|                        opclasses: { 'project_id' => 'bar' },
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id',
 | |
|                length: [],
 | |
|                order: [],
 | |
|                opclass: { 'gl_project_id' => 'bar' })
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'using an index with multiple columns and custom operator classes' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id foobar),
 | |
|                        name: 'index_on_issues_project_id_foobar',
 | |
|                        using: :gin,
 | |
|                        where: nil,
 | |
|                        opclasses: { 'project_id' => 'bar', 'foobar' => :gin_trgm_ops },
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id foobar),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id_foobar',
 | |
|                length: [],
 | |
|                order: [],
 | |
|                opclass: { 'gl_project_id' => 'bar', 'foobar' => :gin_trgm_ops },
 | |
|                using: :gin)
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'using an index with multiple columns and a custom operator class on the non affected column' do
 | |
|       it 'copies the index' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id foobar),
 | |
|                        name: 'index_on_issues_project_id_foobar',
 | |
|                        using: :gin,
 | |
|                        where: nil,
 | |
|                        opclasses: { 'foobar' => :gin_trgm_ops },
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect(model).to receive(:add_concurrent_index)
 | |
|           .with(:issues,
 | |
|                %w(gl_project_id foobar),
 | |
|                unique: false,
 | |
|                name: 'index_on_issues_gl_project_id_foobar',
 | |
|                length: [],
 | |
|                order: [],
 | |
|                opclass: { 'foobar' => :gin_trgm_ops },
 | |
|                using: :gin)
 | |
| 
 | |
|         model.copy_indexes(:issues, :project_id, :gl_project_id)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     describe 'using an index of which the name does not contain the source column' do
 | |
|       it 'raises RuntimeError' do
 | |
|         index = double(:index,
 | |
|                        columns: %w(project_id),
 | |
|                        name: 'index_foobar_index',
 | |
|                        using: nil,
 | |
|                        where: nil,
 | |
|                        opclasses: {},
 | |
|                        unique: false,
 | |
|                        lengths: [],
 | |
|                        orders: [])
 | |
| 
 | |
|         allow(model).to receive(:indexes_for).with(:issues, 'project_id')
 | |
|           .and_return([index])
 | |
| 
 | |
|         expect { model.copy_indexes(:issues, :project_id, :gl_project_id) }
 | |
|           .to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#copy_foreign_keys' do
 | |
|     it 'copies foreign keys from one column to another' do
 | |
|       fk = double(:fk,
 | |
|                   from_table: 'issues',
 | |
|                   to_table: 'projects',
 | |
|                   on_delete: :cascade)
 | |
| 
 | |
|       allow(model).to receive(:foreign_keys_for).with(:issues, :project_id)
 | |
|         .and_return([fk])
 | |
| 
 | |
|       expect(model).to receive(:add_concurrent_foreign_key)
 | |
|         .with('issues', 'projects', column: :gl_project_id, on_delete: :cascade)
 | |
| 
 | |
|       model.copy_foreign_keys(:issues, :project_id, :gl_project_id)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#column_for' do
 | |
|     it 'returns a column object for an existing column' do
 | |
|       column = model.column_for(:users, :id)
 | |
| 
 | |
|       expect(column.name).to eq('id')
 | |
|     end
 | |
| 
 | |
|     it 'raises an error when a column does not exist' do
 | |
|       error_message = /Could not find column "kittens" on table "users"/
 | |
|       expect { model.column_for(:users, :kittens) }.to raise_error(error_message)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#replace_sql' do
 | |
|     it 'builds the sql with correct functions' do
 | |
|       expect(model.replace_sql(Arel::Table.new(:users)[:first_name], "Alice", "Eve").to_s)
 | |
|         .to include('regexp_replace')
 | |
|     end
 | |
| 
 | |
|     describe 'results' do
 | |
|       let!(:user) { create(:user, name: 'Kathy Alice Aliceson') }
 | |
| 
 | |
|       it 'replaces the correct part of the string' do
 | |
|         allow(model).to receive(:transaction_open?).and_return(false)
 | |
|         query = model.replace_sql(Arel::Table.new(:users)[:name], 'Alice', 'Eve')
 | |
| 
 | |
|         model.update_column_in_batches(:users, :name, query)
 | |
| 
 | |
|         expect(user.reload.name).to eq('Kathy Eve Aliceson')
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe 'sidekiq migration helpers', :redis do
 | |
|     let(:worker) do
 | |
|       Class.new do
 | |
|         include Sidekiq::Worker
 | |
|         sidekiq_options queue: 'test'
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     describe '#sidekiq_queue_length' do
 | |
|       context 'when queue is empty' do
 | |
|         it 'returns zero' do
 | |
|           Sidekiq::Testing.disable! do
 | |
|             expect(model.sidekiq_queue_length('test')).to eq 0
 | |
|           end
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when queue contains jobs' do
 | |
|         it 'returns correct size of the queue' do
 | |
|           Sidekiq::Testing.disable! do
 | |
|             worker.perform_async('Something', [1])
 | |
|             worker.perform_async('Something', [2])
 | |
| 
 | |
|             expect(model.sidekiq_queue_length('test')).to eq 2
 | |
|           end
 | |
|         end
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     describe '#migrate_sidekiq_queue' do
 | |
|       it 'migrates jobs from one sidekiq queue to another' do
 | |
|         Sidekiq::Testing.disable! do
 | |
|           worker.perform_async('Something', [1])
 | |
|           worker.perform_async('Something', [2])
 | |
| 
 | |
|           expect(model.sidekiq_queue_length('test')).to eq 2
 | |
|           expect(model.sidekiq_queue_length('new_test')).to eq 0
 | |
| 
 | |
|           model.sidekiq_queue_migrate('test', to: 'new_test')
 | |
| 
 | |
|           expect(model.sidekiq_queue_length('test')).to eq 0
 | |
|           expect(model.sidekiq_queue_length('new_test')).to eq 2
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#check_trigger_permissions!' do
 | |
|     it 'does nothing when the user has the correct permissions' do
 | |
|       expect { model.check_trigger_permissions!('users') }
 | |
|         .not_to raise_error
 | |
|     end
 | |
| 
 | |
|     it 'raises RuntimeError when the user does not have the correct permissions' do
 | |
|       allow(Gitlab::Database::Grant).to receive(:create_and_execute_trigger?)
 | |
|         .with('kittens')
 | |
|         .and_return(false)
 | |
| 
 | |
|       expect { model.check_trigger_permissions!('kittens') }
 | |
|         .to raise_error(RuntimeError, /Your database user is not allowed/)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#change_column_type_using_background_migration' do
 | |
|     let!(:issue) { create(:issue, :closed, closed_at: Time.zone.now) }
 | |
| 
 | |
|     let(:issue_model) do
 | |
|       Class.new(ActiveRecord::Base) do
 | |
|         self.table_name = 'issues'
 | |
|         include EachBatch
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     it 'changes the type of a column using a background migration' do
 | |
|       expect(model)
 | |
|         .to receive(:add_column)
 | |
|         .with('issues', 'closed_at_for_type_change', :datetime_with_timezone)
 | |
| 
 | |
|       expect(model)
 | |
|         .to receive(:install_rename_triggers)
 | |
|         .with('issues', :closed_at, 'closed_at_for_type_change')
 | |
| 
 | |
|       expect(BackgroundMigrationWorker)
 | |
|         .to receive(:perform_in)
 | |
|         .ordered
 | |
|         .with(
 | |
|           10.minutes,
 | |
|           'CopyColumn',
 | |
|           ['issues', :closed_at, 'closed_at_for_type_change', issue.id, issue.id]
 | |
|         )
 | |
| 
 | |
|       expect(BackgroundMigrationWorker)
 | |
|         .to receive(:perform_in)
 | |
|         .ordered
 | |
|         .with(
 | |
|           1.hour + 10.minutes,
 | |
|           'CleanupConcurrentTypeChange',
 | |
|           ['issues', :closed_at, 'closed_at_for_type_change']
 | |
|         )
 | |
| 
 | |
|       expect(Gitlab::BackgroundMigration)
 | |
|         .to receive(:steal)
 | |
|         .ordered
 | |
|         .with('CopyColumn')
 | |
| 
 | |
|       expect(Gitlab::BackgroundMigration)
 | |
|         .to receive(:steal)
 | |
|         .ordered
 | |
|         .with('CleanupConcurrentTypeChange')
 | |
| 
 | |
|       model.change_column_type_using_background_migration(
 | |
|         issue_model.all,
 | |
|         :closed_at,
 | |
|         :datetime_with_timezone
 | |
|       )
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#rename_column_using_background_migration' do
 | |
|     let!(:issue) { create(:issue, :closed, closed_at: Time.zone.now) }
 | |
| 
 | |
|     it 'renames a column using a background migration' do
 | |
|       expect(model)
 | |
|         .to receive(:add_column)
 | |
|         .with(
 | |
|           'issues',
 | |
|           :closed_at_timestamp,
 | |
|           :datetime_with_timezone,
 | |
|           limit: anything,
 | |
|           precision: anything,
 | |
|           scale: anything
 | |
|         )
 | |
| 
 | |
|       expect(model)
 | |
|         .to receive(:install_rename_triggers)
 | |
|         .with('issues', :closed_at, :closed_at_timestamp)
 | |
| 
 | |
|       expect(BackgroundMigrationWorker)
 | |
|         .to receive(:perform_in)
 | |
|         .ordered
 | |
|         .with(
 | |
|           10.minutes,
 | |
|           'CopyColumn',
 | |
|           ['issues', :closed_at, :closed_at_timestamp, issue.id, issue.id]
 | |
|         )
 | |
| 
 | |
|       expect(BackgroundMigrationWorker)
 | |
|         .to receive(:perform_in)
 | |
|         .ordered
 | |
|         .with(
 | |
|           1.hour + 10.minutes,
 | |
|           'CleanupConcurrentRename',
 | |
|           ['issues', :closed_at, :closed_at_timestamp]
 | |
|         )
 | |
| 
 | |
|       expect(Gitlab::BackgroundMigration)
 | |
|         .to receive(:steal)
 | |
|         .ordered
 | |
|         .with('CopyColumn')
 | |
| 
 | |
|       expect(Gitlab::BackgroundMigration)
 | |
|         .to receive(:steal)
 | |
|         .ordered
 | |
|         .with('CleanupConcurrentRename')
 | |
| 
 | |
|       model.rename_column_using_background_migration(
 | |
|         'issues',
 | |
|         :closed_at,
 | |
|         :closed_at_timestamp
 | |
|       )
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#convert_to_bigint_column' do
 | |
|     it 'returns the name of the temporary column used to convert to bigint' do
 | |
|       expect(model.convert_to_bigint_column(:id)).to eq('id_convert_to_bigint')
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#initialize_conversion_of_integer_to_bigint' do
 | |
|     let(:table) { :test_table }
 | |
|     let(:column) { :id }
 | |
|     let(:tmp_column) { model.convert_to_bigint_column(column) }
 | |
| 
 | |
|     before do
 | |
|       model.create_table table, id: false do |t|
 | |
|         t.integer :id, primary_key: true
 | |
|         t.integer :non_nullable_column, null: false
 | |
|         t.integer :nullable_column
 | |
|         t.timestamps
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the target table does not exist' do
 | |
|       it 'raises an error' do
 | |
|         expect { model.initialize_conversion_of_integer_to_bigint(:this_table_is_not_real, column) }
 | |
|           .to raise_error('Table this_table_is_not_real does not exist')
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the primary key does not exist' do
 | |
|       it 'raises an error' do
 | |
|         expect { model.initialize_conversion_of_integer_to_bigint(table, column, primary_key: :foobar) }
 | |
|           .to raise_error("Column foobar does not exist on #{table}")
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the column to migrate does not exist' do
 | |
|       it 'raises an error' do
 | |
|         expect { model.initialize_conversion_of_integer_to_bigint(table, :this_column_is_not_real) }
 | |
|           .to raise_error(ArgumentError, "Column this_column_is_not_real does not exist on #{table}")
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the column to convert is the primary key' do
 | |
|       it 'creates a not-null bigint column and installs triggers' do
 | |
|         expect(model).to receive(:add_column).with(table, tmp_column, :bigint, default: 0, null: false)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers).with(table, [column], [tmp_column])
 | |
| 
 | |
|         model.initialize_conversion_of_integer_to_bigint(table, column)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the column to convert is not the primary key, but non-nullable' do
 | |
|       let(:column) { :non_nullable_column }
 | |
| 
 | |
|       it 'creates a not-null bigint column and installs triggers' do
 | |
|         expect(model).to receive(:add_column).with(table, tmp_column, :bigint, default: 0, null: false)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers).with(table, [column], [tmp_column])
 | |
| 
 | |
|         model.initialize_conversion_of_integer_to_bigint(table, column)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the column to convert is not the primary key, but nullable' do
 | |
|       let(:column)  { :nullable_column }
 | |
| 
 | |
|       it 'creates a nullable bigint column and installs triggers' do
 | |
|         expect(model).to receive(:add_column).with(table, tmp_column, :bigint, default: nil)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers).with(table, [column], [tmp_column])
 | |
| 
 | |
|         model.initialize_conversion_of_integer_to_bigint(table, column)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when multiple columns are given' do
 | |
|       it 'creates the correct columns and installs the trigger' do
 | |
|         columns_to_convert = %i[id non_nullable_column nullable_column]
 | |
|         temporary_columns = columns_to_convert.map { |column| model.convert_to_bigint_column(column) }
 | |
| 
 | |
|         expect(model).to receive(:add_column).with(table, temporary_columns[0], :bigint, default: 0, null: false)
 | |
|         expect(model).to receive(:add_column).with(table, temporary_columns[1], :bigint, default: 0, null: false)
 | |
|         expect(model).to receive(:add_column).with(table, temporary_columns[2], :bigint, default: nil)
 | |
| 
 | |
|         expect(model).to receive(:install_rename_triggers).with(table, columns_to_convert, temporary_columns)
 | |
| 
 | |
|         model.initialize_conversion_of_integer_to_bigint(table, columns_to_convert)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#revert_initialize_conversion_of_integer_to_bigint' do
 | |
|     let(:table) { :test_table }
 | |
| 
 | |
|     before do
 | |
|       model.create_table table, id: false do |t|
 | |
|         t.integer :id, primary_key: true
 | |
|         t.integer :other_id
 | |
|       end
 | |
| 
 | |
|       model.initialize_conversion_of_integer_to_bigint(table, columns)
 | |
|     end
 | |
| 
 | |
|     context 'when single column is given' do
 | |
|       let(:columns) { :id }
 | |
| 
 | |
|       it 'removes column, trigger, and function' do
 | |
|         temporary_column = model.convert_to_bigint_column(:id)
 | |
|         trigger_name = model.rename_trigger_name(table, :id, temporary_column)
 | |
| 
 | |
|         model.revert_initialize_conversion_of_integer_to_bigint(table, columns)
 | |
| 
 | |
|         expect(model.column_exists?(table, temporary_column)).to eq(false)
 | |
|         expect_trigger_not_to_exist(table, trigger_name)
 | |
|         expect_function_not_to_exist(trigger_name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when multiple columns are given' do
 | |
|       let(:columns) { [:id, :other_id] }
 | |
| 
 | |
|       it 'removes column, trigger, and function' do
 | |
|         temporary_columns = columns.map { |column| model.convert_to_bigint_column(column) }
 | |
|         trigger_name = model.rename_trigger_name(table, columns, temporary_columns)
 | |
| 
 | |
|         model.revert_initialize_conversion_of_integer_to_bigint(table, columns)
 | |
| 
 | |
|         temporary_columns.each do |column|
 | |
|           expect(model.column_exists?(table, column)).to eq(false)
 | |
|         end
 | |
|         expect_trigger_not_to_exist(table, trigger_name)
 | |
|         expect_function_not_to_exist(trigger_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#backfill_conversion_of_integer_to_bigint' do
 | |
|     let(:table) { :_test_backfill_table }
 | |
|     let(:column) { :id }
 | |
|     let(:tmp_column) { model.convert_to_bigint_column(column) }
 | |
| 
 | |
|     before do
 | |
|       model.create_table table, id: false do |t|
 | |
|         t.integer :id, primary_key: true
 | |
|         t.text :message, null: false
 | |
|         t.integer :other_id
 | |
|         t.timestamps
 | |
|       end
 | |
| 
 | |
|       allow(model).to receive(:perform_background_migration_inline?).and_return(false)
 | |
|     end
 | |
| 
 | |
|     context 'when the target table does not exist' do
 | |
|       it 'raises an error' do
 | |
|         expect { model.backfill_conversion_of_integer_to_bigint(:this_table_is_not_real, column) }
 | |
|           .to raise_error('Table this_table_is_not_real does not exist')
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the primary key does not exist' do
 | |
|       it 'raises an error' do
 | |
|         expect { model.backfill_conversion_of_integer_to_bigint(table, column, primary_key: :foobar) }
 | |
|           .to raise_error("Column foobar does not exist on #{table}")
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the column to convert does not exist' do
 | |
|       let(:column) { :foobar }
 | |
| 
 | |
|       it 'raises an error' do
 | |
|         expect { model.backfill_conversion_of_integer_to_bigint(table, column) }
 | |
|           .to raise_error(ArgumentError, "Column #{column} does not exist on #{table}")
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the temporary column does not exist' do
 | |
|       it 'raises an error' do
 | |
|         expect { model.backfill_conversion_of_integer_to_bigint(table, column) }
 | |
|           .to raise_error(ArgumentError, "Column #{tmp_column} does not exist on #{table}")
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the conversion is properly initialized' do
 | |
|       let(:model_class) do
 | |
|         Class.new(ActiveRecord::Base) do
 | |
|           self.table_name = :_test_backfill_table
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       let(:migration_relation) { Gitlab::Database::BackgroundMigration::BatchedMigration.active }
 | |
| 
 | |
|       before do
 | |
|         model.initialize_conversion_of_integer_to_bigint(table, columns)
 | |
| 
 | |
|         model_class.create!(message: 'hello')
 | |
|         model_class.create!(message: 'so long')
 | |
|       end
 | |
| 
 | |
|       context 'when a single column is being converted' do
 | |
|         let(:columns) { column }
 | |
| 
 | |
|         it 'creates the batched migration tracking record' do
 | |
|           last_record = model_class.create!(message: 'goodbye')
 | |
| 
 | |
|           expect do
 | |
|             model.backfill_conversion_of_integer_to_bigint(table, column, batch_size: 2, sub_batch_size: 1)
 | |
|           end.to change { migration_relation.count }.by(1)
 | |
| 
 | |
|           expect(migration_relation.last).to have_attributes(
 | |
|             job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
 | |
|             table_name: table.to_s,
 | |
|             column_name: column.to_s,
 | |
|             min_value: 1,
 | |
|             max_value: last_record.id,
 | |
|             interval: 120,
 | |
|             batch_size: 2,
 | |
|             sub_batch_size: 1,
 | |
|             job_arguments: [[column.to_s], [model.convert_to_bigint_column(column)]]
 | |
|           )
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when multiple columns are being converted' do
 | |
|         let(:other_column) { :other_id }
 | |
|         let(:other_tmp_column) { model.convert_to_bigint_column(other_column) }
 | |
|         let(:columns) { [column, other_column] }
 | |
| 
 | |
|         it 'creates the batched migration tracking record' do
 | |
|           last_record = model_class.create!(message: 'goodbye', other_id: 50)
 | |
| 
 | |
|           expect do
 | |
|             model.backfill_conversion_of_integer_to_bigint(table, columns, batch_size: 2, sub_batch_size: 1)
 | |
|           end.to change { migration_relation.count }.by(1)
 | |
| 
 | |
|           expect(migration_relation.last).to have_attributes(
 | |
|             job_class_name: 'CopyColumnUsingBackgroundMigrationJob',
 | |
|             table_name: table.to_s,
 | |
|             column_name: column.to_s,
 | |
|             min_value: 1,
 | |
|             max_value: last_record.id,
 | |
|             interval: 120,
 | |
|             batch_size: 2,
 | |
|             sub_batch_size: 1,
 | |
|             job_arguments: [[column.to_s, other_column.to_s], [tmp_column, other_tmp_column]]
 | |
|           )
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#revert_backfill_conversion_of_integer_to_bigint' do
 | |
|     let(:table) { :_test_backfill_table }
 | |
|     let(:primary_key) { :id }
 | |
| 
 | |
|     before do
 | |
|       model.create_table table, id: false do |t|
 | |
|         t.integer primary_key, primary_key: true
 | |
|         t.text :message, null: false
 | |
|         t.integer :other_id
 | |
|         t.timestamps
 | |
|       end
 | |
| 
 | |
|       model.initialize_conversion_of_integer_to_bigint(table, columns, primary_key: primary_key)
 | |
|       model.backfill_conversion_of_integer_to_bigint(table, columns, primary_key: primary_key)
 | |
|     end
 | |
| 
 | |
|     context 'when a single column is being converted' do
 | |
|       let(:columns) { :id }
 | |
| 
 | |
|       it 'deletes the batched migration tracking record' do
 | |
|         expect do
 | |
|           model.revert_backfill_conversion_of_integer_to_bigint(table, columns)
 | |
|         end.to change { Gitlab::Database::BackgroundMigration::BatchedMigration.count }.by(-1)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when a multiple columns are being converted' do
 | |
|       let(:columns) { [:id, :other_id] }
 | |
| 
 | |
|       it 'deletes the batched migration tracking record' do
 | |
|         expect do
 | |
|           model.revert_backfill_conversion_of_integer_to_bigint(table, columns)
 | |
|         end.to change { Gitlab::Database::BackgroundMigration::BatchedMigration.count }.by(-1)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when primary key column has custom name' do
 | |
|       let(:primary_key) { :other_pk }
 | |
|       let(:columns) { :other_id }
 | |
| 
 | |
|       it 'deletes the batched migration tracking record' do
 | |
|         expect do
 | |
|           model.revert_backfill_conversion_of_integer_to_bigint(table, columns, primary_key: primary_key)
 | |
|         end.to change { Gitlab::Database::BackgroundMigration::BatchedMigration.count }.by(-1)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#index_exists_by_name?' do
 | |
|     it 'returns true if an index exists' do
 | |
|       ActiveRecord::Base.connection.execute(
 | |
|         'CREATE INDEX test_index_for_index_exists ON projects (path);'
 | |
|       )
 | |
| 
 | |
|       expect(model.index_exists_by_name?(:projects, 'test_index_for_index_exists'))
 | |
|         .to be_truthy
 | |
|     end
 | |
| 
 | |
|     it 'returns false if the index does not exist' do
 | |
|       expect(model.index_exists_by_name?(:projects, 'this_does_not_exist'))
 | |
|         .to be_falsy
 | |
|     end
 | |
| 
 | |
|     context 'when an index with a function exists' do
 | |
|       before do
 | |
|         ActiveRecord::Base.connection.execute(
 | |
|           'CREATE INDEX test_index ON projects (LOWER(path));'
 | |
|         )
 | |
|       end
 | |
| 
 | |
|       it 'returns true if an index exists' do
 | |
|         expect(model.index_exists_by_name?(:projects, 'test_index'))
 | |
|           .to be_truthy
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when an index exists for a table with the same name in another schema' do
 | |
|       before do
 | |
|         ActiveRecord::Base.connection.execute(
 | |
|           'CREATE SCHEMA new_test_schema'
 | |
|         )
 | |
| 
 | |
|         ActiveRecord::Base.connection.execute(
 | |
|           'CREATE TABLE new_test_schema.projects (id integer, name character varying)'
 | |
|         )
 | |
| 
 | |
|         ActiveRecord::Base.connection.execute(
 | |
|           'CREATE INDEX test_index_on_name ON new_test_schema.projects (LOWER(name));'
 | |
|         )
 | |
|       end
 | |
| 
 | |
|       it 'returns false if the index does not exist in the current schema' do
 | |
|         expect(model.index_exists_by_name?(:projects, 'test_index_on_name'))
 | |
|           .to be_falsy
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#create_or_update_plan_limit' do
 | |
|     before do
 | |
|       stub_const('Plan', Class.new(ActiveRecord::Base))
 | |
|       stub_const('PlanLimits', Class.new(ActiveRecord::Base))
 | |
| 
 | |
|       Plan.class_eval do
 | |
|         self.table_name = 'plans'
 | |
|       end
 | |
| 
 | |
|       PlanLimits.class_eval do
 | |
|         self.table_name = 'plan_limits'
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     it 'properly escapes names' do
 | |
|       expect(model).to receive(:execute).with <<~SQL
 | |
|         INSERT INTO plan_limits (plan_id, "project_hooks")
 | |
|         SELECT id, '10' FROM plans WHERE name = 'free' LIMIT 1
 | |
|         ON CONFLICT (plan_id) DO UPDATE SET "project_hooks" = EXCLUDED."project_hooks";
 | |
|       SQL
 | |
| 
 | |
|       model.create_or_update_plan_limit('project_hooks', 'free', 10)
 | |
|     end
 | |
| 
 | |
|     context 'when plan does not exist' do
 | |
|       it 'does not create any plan limits' do
 | |
|         expect { model.create_or_update_plan_limit('project_hooks', 'plan_name', 10) }
 | |
|           .not_to change { PlanLimits.count }
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when plan does exist' do
 | |
|       let!(:plan) { Plan.create!(name: 'plan_name') }
 | |
| 
 | |
|       context 'when limit does not exist' do
 | |
|         it 'inserts a new plan limits' do
 | |
|           expect { model.create_or_update_plan_limit('project_hooks', 'plan_name', 10) }
 | |
|             .to change { PlanLimits.count }.by(1)
 | |
| 
 | |
|           expect(PlanLimits.pluck(:project_hooks)).to contain_exactly(10)
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when limit does exist' do
 | |
|         let!(:plan_limit) { PlanLimits.create!(plan_id: plan.id) }
 | |
| 
 | |
|         it 'updates an existing plan limits' do
 | |
|           expect { model.create_or_update_plan_limit('project_hooks', 'plan_name', 999) }
 | |
|             .not_to change { PlanLimits.count }
 | |
| 
 | |
|           expect(plan_limit.reload.project_hooks).to eq(999)
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#with_lock_retries' do
 | |
|     let(:buffer) { StringIO.new }
 | |
|     let(:in_memory_logger) { Gitlab::JsonLogger.new(buffer) }
 | |
|     let(:env) { { 'DISABLE_LOCK_RETRIES' => 'true' } }
 | |
| 
 | |
|     it 'sets the migration class name in the logs' do
 | |
|       model.with_lock_retries(env: env, logger: in_memory_logger) { }
 | |
| 
 | |
|       buffer.rewind
 | |
|       expect(buffer.read).to include("\"class\":\"#{model.class}\"")
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#backfill_iids' do
 | |
|     include MigrationsHelpers
 | |
| 
 | |
|     before do
 | |
|       stub_const('Issue', Class.new(ActiveRecord::Base))
 | |
| 
 | |
|       Issue.class_eval do
 | |
|         include AtomicInternalId
 | |
| 
 | |
|         self.table_name = 'issues'
 | |
|         self.inheritance_column = :_type_disabled
 | |
| 
 | |
|         belongs_to :project, class_name: "::Project"
 | |
| 
 | |
|         has_internal_id :iid,
 | |
|           scope: :project,
 | |
|           init: ->(s, _scope) { s&.project&.issues&.maximum(:iid) },
 | |
|           presence: false
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     let(:namespaces)     { table(:namespaces) }
 | |
|     let(:projects)       { table(:projects) }
 | |
|     let(:issues)         { table(:issues) }
 | |
| 
 | |
|     def setup
 | |
|       namespace = namespaces.create!(name: 'foo', path: 'foo')
 | |
|       projects.create!(namespace_id: namespace.id)
 | |
|     end
 | |
| 
 | |
|     it 'generates iids properly for models created after the migration' do
 | |
|       project = setup
 | |
| 
 | |
|       model.backfill_iids('issues')
 | |
| 
 | |
|       issue = Issue.create!(project_id: project.id)
 | |
| 
 | |
|       expect(issue.iid).to eq(1)
 | |
|     end
 | |
| 
 | |
|     it 'generates iids properly for models created after the migration when iids are backfilled' do
 | |
|       project = setup
 | |
|       issue_a = issues.create!(project_id: project.id)
 | |
| 
 | |
|       model.backfill_iids('issues')
 | |
| 
 | |
|       issue_b = Issue.create!(project_id: project.id)
 | |
| 
 | |
|       expect(issue_a.reload.iid).to eq(1)
 | |
|       expect(issue_b.iid).to eq(2)
 | |
|     end
 | |
| 
 | |
|     it 'generates iids properly for models created after the migration across multiple projects' do
 | |
|       project_a = setup
 | |
|       project_b = setup
 | |
|       issues.create!(project_id: project_a.id)
 | |
|       issues.create!(project_id: project_b.id)
 | |
|       issues.create!(project_id: project_b.id)
 | |
| 
 | |
|       model.backfill_iids('issues')
 | |
| 
 | |
|       issue_a = Issue.create!(project_id: project_a.id)
 | |
|       issue_b = Issue.create!(project_id: project_b.id)
 | |
| 
 | |
|       expect(issue_a.iid).to eq(2)
 | |
|       expect(issue_b.iid).to eq(3)
 | |
|     end
 | |
| 
 | |
|     context 'when the first model is created for a project after the migration' do
 | |
|       it 'generates an iid' do
 | |
|         project_a = setup
 | |
|         project_b = setup
 | |
|         issue_a = issues.create!(project_id: project_a.id)
 | |
| 
 | |
|         model.backfill_iids('issues')
 | |
| 
 | |
|         issue_b = Issue.create!(project_id: project_b.id)
 | |
| 
 | |
|         expect(issue_a.reload.iid).to eq(1)
 | |
|         expect(issue_b.reload.iid).to eq(1)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when a row already has an iid set in the database' do
 | |
|       it 'backfills iids' do
 | |
|         project = setup
 | |
|         issue_a = issues.create!(project_id: project.id, iid: 1)
 | |
|         issue_b = issues.create!(project_id: project.id, iid: 2)
 | |
| 
 | |
|         model.backfill_iids('issues')
 | |
| 
 | |
|         expect(issue_a.reload.iid).to eq(1)
 | |
|         expect(issue_b.reload.iid).to eq(2)
 | |
|       end
 | |
| 
 | |
|       it 'backfills for multiple projects' do
 | |
|         project_a = setup
 | |
|         project_b = setup
 | |
|         issue_a = issues.create!(project_id: project_a.id, iid: 1)
 | |
|         issue_b = issues.create!(project_id: project_b.id, iid: 1)
 | |
|         issue_c = issues.create!(project_id: project_a.id, iid: 2)
 | |
| 
 | |
|         model.backfill_iids('issues')
 | |
| 
 | |
|         expect(issue_a.reload.iid).to eq(1)
 | |
|         expect(issue_b.reload.iid).to eq(1)
 | |
|         expect(issue_c.reload.iid).to eq(2)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#check_constraint_name' do
 | |
|     it 'returns a valid constraint name' do
 | |
|       name = model.check_constraint_name(:this_is_a_very_long_table_name,
 | |
|                                          :with_a_very_long_column_name,
 | |
|                                          :with_a_very_long_type)
 | |
| 
 | |
|       expect(name).to be_an_instance_of(String)
 | |
|       expect(name).to start_with('check_')
 | |
|       expect(name.length).to eq(16)
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#check_constraint_exists?' do
 | |
|     before do
 | |
|       ActiveRecord::Base.connection.execute(
 | |
|         'ALTER TABLE projects ADD CONSTRAINT check_1 CHECK (char_length(path) <= 5) NOT VALID'
 | |
|       )
 | |
| 
 | |
|       ActiveRecord::Base.connection.execute(
 | |
|         'CREATE SCHEMA new_test_schema'
 | |
|       )
 | |
| 
 | |
|       ActiveRecord::Base.connection.execute(
 | |
|         'CREATE TABLE new_test_schema.projects (id integer, name character varying)'
 | |
|       )
 | |
| 
 | |
|       ActiveRecord::Base.connection.execute(
 | |
|         'ALTER TABLE new_test_schema.projects ADD CONSTRAINT check_2 CHECK (char_length(name) <= 5)'
 | |
|       )
 | |
|     end
 | |
| 
 | |
|     it 'returns true if a constraint exists' do
 | |
|       expect(model.check_constraint_exists?(:projects, 'check_1'))
 | |
|         .to be_truthy
 | |
|     end
 | |
| 
 | |
|     it 'returns false if a constraint does not exist' do
 | |
|       expect(model.check_constraint_exists?(:projects, 'this_does_not_exist'))
 | |
|         .to be_falsy
 | |
|     end
 | |
| 
 | |
|     it 'returns false if a constraint with the same name exists in another table' do
 | |
|       expect(model.check_constraint_exists?(:users, 'check_1'))
 | |
|         .to be_falsy
 | |
|     end
 | |
| 
 | |
|     it 'returns false if a constraint with the same name exists for the same table in another schema' do
 | |
|       expect(model.check_constraint_exists?(:projects, 'check_2'))
 | |
|         .to be_falsy
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#add_check_constraint' do
 | |
|     before do
 | |
|       allow(model).to receive(:check_constraint_exists?).and_return(false)
 | |
|     end
 | |
| 
 | |
|     context 'constraint name validation' do
 | |
|       it 'raises an error when too long' do
 | |
|         expect do
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'name IS NOT NULL',
 | |
|             'a' * (Gitlab::Database::MigrationHelpers::MAX_IDENTIFIER_NAME_LENGTH + 1)
 | |
|           )
 | |
|         end.to raise_error(RuntimeError)
 | |
|       end
 | |
| 
 | |
|       it 'does not raise error when the length is acceptable' do
 | |
|         constraint_name = 'a' * Gitlab::Database::MigrationHelpers::MAX_IDENTIFIER_NAME_LENGTH
 | |
| 
 | |
|         expect(model).to receive(:transaction_open?).and_return(false)
 | |
|         expect(model).to receive(:check_constraint_exists?).and_return(false)
 | |
|         expect(model).to receive(:with_lock_retries).and_call_original
 | |
|         expect(model).to receive(:execute).with(/ADD CONSTRAINT/)
 | |
| 
 | |
|         model.add_check_constraint(
 | |
|           :test_table,
 | |
|           'name IS NOT NULL',
 | |
|           constraint_name,
 | |
|           validate: false
 | |
|         )
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'inside a transaction' do
 | |
|       it 'raises an error' do
 | |
|         expect(model).to receive(:transaction_open?).and_return(true)
 | |
| 
 | |
|         expect do
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'name IS NOT NULL',
 | |
|             'check_name_not_null'
 | |
|           )
 | |
|         end.to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'outside a transaction' do
 | |
|       before do
 | |
|         allow(model).to receive(:transaction_open?).and_return(false)
 | |
|       end
 | |
| 
 | |
|       context 'when the constraint is already defined in the database' do
 | |
|         it 'does not create a constraint' do
 | |
|           expect(model).to receive(:check_constraint_exists?)
 | |
|                        .with(:test_table, 'check_name_not_null')
 | |
|                        .and_return(true)
 | |
| 
 | |
|           expect(model).not_to receive(:execute).with(/ADD CONSTRAINT/)
 | |
| 
 | |
|           # setting validate: false to only focus on the ADD CONSTRAINT command
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'name IS NOT NULL',
 | |
|             'check_name_not_null',
 | |
|             validate: false
 | |
|           )
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when the constraint is not defined in the database' do
 | |
|         it 'creates the constraint' do
 | |
|           expect(model).to receive(:with_lock_retries).and_call_original
 | |
|           expect(model).to receive(:execute).with(/ADD CONSTRAINT check_name_not_null/)
 | |
| 
 | |
|           # setting validate: false to only focus on the ADD CONSTRAINT command
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'char_length(name) <= 255',
 | |
|             'check_name_not_null',
 | |
|             validate: false
 | |
|           )
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when validate is not provided' do
 | |
|         it 'performs validation' do
 | |
|           expect(model).to receive(:check_constraint_exists?)
 | |
|                        .with(:test_table, 'check_name_not_null')
 | |
|                        .and_return(false).exactly(1)
 | |
| 
 | |
|           expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|           expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|           expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|           expect(model).to receive(:with_lock_retries).and_call_original
 | |
|           expect(model).to receive(:execute).with(/ADD CONSTRAINT check_name_not_null/)
 | |
| 
 | |
|           # we need the check constraint to exist so that the validation proceeds
 | |
|           expect(model).to receive(:check_constraint_exists?)
 | |
|                        .with(:test_table, 'check_name_not_null')
 | |
|                        .and_return(true).exactly(1)
 | |
| 
 | |
|           expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
 | |
|           expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'char_length(name) <= 255',
 | |
|             'check_name_not_null'
 | |
|           )
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when validate is provided with a falsey value' do
 | |
|         it 'skips validation' do
 | |
|           expect(model).not_to receive(:disable_statement_timeout)
 | |
|           expect(model).to receive(:with_lock_retries).and_call_original
 | |
|           expect(model).to receive(:execute).with(/ADD CONSTRAINT/)
 | |
|           expect(model).not_to receive(:execute).with(/VALIDATE CONSTRAINT/)
 | |
| 
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'char_length(name) <= 255',
 | |
|             'check_name_not_null',
 | |
|             validate: false
 | |
|           )
 | |
|         end
 | |
|       end
 | |
| 
 | |
|       context 'when validate is provided with a truthy value' do
 | |
|         it 'performs validation' do
 | |
|           expect(model).to receive(:check_constraint_exists?)
 | |
|                        .with(:test_table, 'check_name_not_null')
 | |
|                        .and_return(false).exactly(1)
 | |
| 
 | |
|           expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|           expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|           expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|           expect(model).to receive(:with_lock_retries).and_call_original
 | |
|           expect(model).to receive(:execute).with(/ADD CONSTRAINT check_name_not_null/)
 | |
| 
 | |
|           expect(model).to receive(:check_constraint_exists?)
 | |
|                        .with(:test_table, 'check_name_not_null')
 | |
|                        .and_return(true).exactly(1)
 | |
| 
 | |
|           expect(model).to receive(:execute).ordered.with(/VALIDATE CONSTRAINT/)
 | |
|           expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|           model.add_check_constraint(
 | |
|             :test_table,
 | |
|             'char_length(name) <= 255',
 | |
|             'check_name_not_null',
 | |
|             validate: true
 | |
|           )
 | |
|         end
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#validate_check_constraint' do
 | |
|     context 'when the constraint does not exist' do
 | |
|       it 'raises an error' do
 | |
|         error_message = /Could not find check constraint "check_1" on table "test_table"/
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_exists?).and_return(false)
 | |
| 
 | |
|         expect do
 | |
|           model.validate_check_constraint(:test_table, 'check_1')
 | |
|         end.to raise_error(RuntimeError, error_message)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the constraint exists' do
 | |
|       it 'performs validation' do
 | |
|         validate_sql = /ALTER TABLE test_table VALIDATE CONSTRAINT check_name/
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_exists?).and_return(true)
 | |
|         expect(model).to receive(:disable_statement_timeout).and_call_original
 | |
|         expect(model).to receive(:statement_timeout_disabled?).and_return(false)
 | |
|         expect(model).to receive(:execute).with(/statement_timeout/)
 | |
|         expect(model).to receive(:execute).ordered.with(validate_sql)
 | |
|         expect(model).to receive(:execute).ordered.with(/RESET ALL/)
 | |
| 
 | |
|         model.validate_check_constraint(:test_table, 'check_name')
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#remove_check_constraint' do
 | |
|     it 'removes the constraint' do
 | |
|       drop_sql = /ALTER TABLE test_table\s+DROP CONSTRAINT IF EXISTS check_name/
 | |
| 
 | |
|       expect(model).to receive(:with_lock_retries).and_call_original
 | |
|       expect(model).to receive(:execute).with(drop_sql)
 | |
| 
 | |
|       model.remove_check_constraint(:test_table, 'check_name')
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#copy_check_constraints' do
 | |
|     context 'inside a transaction' do
 | |
|       it 'raises an error' do
 | |
|         expect(model).to receive(:transaction_open?).and_return(true)
 | |
| 
 | |
|         expect do
 | |
|           model.copy_check_constraints(:test_table, :old_column, :new_column)
 | |
|         end.to raise_error(RuntimeError)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'outside a transaction' do
 | |
|       before do
 | |
|         allow(model).to receive(:transaction_open?).and_return(false)
 | |
|         allow(model).to receive(:column_exists?).and_return(true)
 | |
|       end
 | |
| 
 | |
|       let(:old_column_constraints) do
 | |
|         [
 | |
|           {
 | |
|             'schema_name' => 'public',
 | |
|             'table_name' => 'test_table',
 | |
|             'column_name' => 'old_column',
 | |
|             'constraint_name' => 'check_d7d49d475d',
 | |
|             'constraint_def' => 'CHECK ((old_column IS NOT NULL))'
 | |
|           },
 | |
|           {
 | |
|             'schema_name' => 'public',
 | |
|             'table_name' => 'test_table',
 | |
|             'column_name' => 'old_column',
 | |
|             'constraint_name' => 'check_48560e521e',
 | |
|             'constraint_def' => 'CHECK ((char_length(old_column) <= 255))'
 | |
|           },
 | |
|           {
 | |
|             'schema_name' => 'public',
 | |
|             'table_name' => 'test_table',
 | |
|             'column_name' => 'old_column',
 | |
|             'constraint_name' => 'custom_check_constraint',
 | |
|             'constraint_def' => 'CHECK (((old_column IS NOT NULL) AND (another_column IS NULL)))'
 | |
|           },
 | |
|           {
 | |
|             'schema_name' => 'public',
 | |
|             'table_name' => 'test_table',
 | |
|             'column_name' => 'old_column',
 | |
|             'constraint_name' => 'not_valid_check_constraint',
 | |
|             'constraint_def' => 'CHECK ((old_column IS NOT NULL)) NOT VALID'
 | |
|           }
 | |
|         ]
 | |
|       end
 | |
| 
 | |
|       it 'copies check constraints from one column to another' do
 | |
|         allow(model).to receive(:check_constraints_for)
 | |
|         .with(:test_table, :old_column, schema: nil)
 | |
|           .and_return(old_column_constraints)
 | |
| 
 | |
|         allow(model).to receive(:not_null_constraint_name).with(:test_table, :new_column)
 | |
|           .and_return('check_1')
 | |
| 
 | |
|         allow(model).to receive(:text_limit_name).with(:test_table, :new_column)
 | |
|           .and_return('check_2')
 | |
| 
 | |
|         allow(model).to receive(:check_constraint_name)
 | |
|           .with(:test_table, :new_column, 'copy_check_constraint')
 | |
|           .and_return('check_3')
 | |
| 
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|           .with(
 | |
|             :test_table,
 | |
|             '(new_column IS NOT NULL)',
 | |
|             'check_1',
 | |
|             validate: true
 | |
|           ).once
 | |
| 
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|           .with(
 | |
|             :test_table,
 | |
|             '(char_length(new_column) <= 255)',
 | |
|             'check_2',
 | |
|             validate: true
 | |
|           ).once
 | |
| 
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|           .with(
 | |
|             :test_table,
 | |
|             '((new_column IS NOT NULL) AND (another_column IS NULL))',
 | |
|             'check_3',
 | |
|             validate: true
 | |
|           ).once
 | |
| 
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|           .with(
 | |
|             :test_table,
 | |
|             '(new_column IS NOT NULL)',
 | |
|             'check_1',
 | |
|             validate: false
 | |
|           ).once
 | |
| 
 | |
|         model.copy_check_constraints(:test_table, :old_column, :new_column)
 | |
|       end
 | |
| 
 | |
|       it 'does nothing if there are no constraints defined for the old column' do
 | |
|         allow(model).to receive(:check_constraints_for)
 | |
|         .with(:test_table, :old_column, schema: nil)
 | |
|           .and_return([])
 | |
| 
 | |
|         expect(model).not_to receive(:add_check_constraint)
 | |
| 
 | |
|         model.copy_check_constraints(:test_table, :old_column, :new_column)
 | |
|       end
 | |
| 
 | |
|       it 'raises an error when the orginating column does not exist' do
 | |
|         allow(model).to receive(:column_exists?).with(:test_table, :old_column).and_return(false)
 | |
| 
 | |
|         error_message = /Column old_column does not exist on test_table/
 | |
| 
 | |
|         expect do
 | |
|           model.copy_check_constraints(:test_table, :old_column, :new_column)
 | |
|         end.to raise_error(RuntimeError, error_message)
 | |
|       end
 | |
| 
 | |
|       it 'raises an error when the target column does not exist' do
 | |
|         allow(model).to receive(:column_exists?).with(:test_table, :new_column).and_return(false)
 | |
| 
 | |
|         error_message = /Column new_column does not exist on test_table/
 | |
| 
 | |
|         expect do
 | |
|           model.copy_check_constraints(:test_table, :old_column, :new_column)
 | |
|         end.to raise_error(RuntimeError, error_message)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#add_text_limit' do
 | |
|     context 'when it is called with the default options' do
 | |
|       it 'calls add_check_constraint with an infered constraint name and validate: true' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'max_length')
 | |
|         check = "char_length(name) <= 255"
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|                      .with(:test_table, check, constraint_name, validate: true)
 | |
| 
 | |
|         model.add_text_limit(:test_table, :name, 255)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when all parameters are provided' do
 | |
|       it 'calls add_check_constraint with the correct parameters' do
 | |
|         constraint_name = 'check_name_limit'
 | |
|         check = "char_length(name) <= 255"
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|                      .with(:test_table, check, constraint_name, validate: false)
 | |
| 
 | |
|         model.add_text_limit(
 | |
|           :test_table,
 | |
|           :name,
 | |
|           255,
 | |
|           constraint_name: constraint_name,
 | |
|           validate: false
 | |
|         )
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#validate_text_limit' do
 | |
|     context 'when constraint_name is not provided' do
 | |
|       it 'calls validate_check_constraint with an infered constraint name' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'max_length')
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:validate_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.validate_text_limit(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when constraint_name is provided' do
 | |
|       it 'calls validate_check_constraint with the correct parameters' do
 | |
|         constraint_name = 'check_name_limit'
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:validate_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.validate_text_limit(:test_table, :name, constraint_name: constraint_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#remove_text_limit' do
 | |
|     context 'when constraint_name is not provided' do
 | |
|       it 'calls remove_check_constraint with an infered constraint name' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'max_length')
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:remove_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.remove_text_limit(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when constraint_name is provided' do
 | |
|       it 'calls remove_check_constraint with the correct parameters' do
 | |
|         constraint_name = 'check_name_limit'
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:remove_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.remove_text_limit(:test_table, :name, constraint_name: constraint_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#check_text_limit_exists?' do
 | |
|     context 'when constraint_name is not provided' do
 | |
|       it 'calls check_constraint_exists? with an infered constraint name' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'max_length')
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:check_constraint_exists?)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.check_text_limit_exists?(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when constraint_name is provided' do
 | |
|       it 'calls check_constraint_exists? with the correct parameters' do
 | |
|         constraint_name = 'check_name_limit'
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:check_constraint_exists?)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.check_text_limit_exists?(:test_table, :name, constraint_name: constraint_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#add_not_null_constraint' do
 | |
|     context 'when it is called with the default options' do
 | |
|       it 'calls add_check_constraint with an infered constraint name and validate: true' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'not_null')
 | |
|         check = "name IS NOT NULL"
 | |
| 
 | |
|         expect(model).to receive(:column_is_nullable?).and_return(true)
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|                      .with(:test_table, check, constraint_name, validate: true)
 | |
| 
 | |
|         model.add_not_null_constraint(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when all parameters are provided' do
 | |
|       it 'calls add_check_constraint with the correct parameters' do
 | |
|         constraint_name = 'check_name_not_null'
 | |
|         check = "name IS NOT NULL"
 | |
| 
 | |
|         expect(model).to receive(:column_is_nullable?).and_return(true)
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:add_check_constraint)
 | |
|                      .with(:test_table, check, constraint_name, validate: false)
 | |
| 
 | |
|         model.add_not_null_constraint(
 | |
|           :test_table,
 | |
|           :name,
 | |
|           constraint_name: constraint_name,
 | |
|           validate: false
 | |
|         )
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when the column is defined as NOT NULL' do
 | |
|       it 'does not add a check constraint' do
 | |
|         expect(model).to receive(:column_is_nullable?).and_return(false)
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).not_to receive(:add_check_constraint)
 | |
| 
 | |
|         model.add_not_null_constraint(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#validate_not_null_constraint' do
 | |
|     context 'when constraint_name is not provided' do
 | |
|       it 'calls validate_check_constraint with an infered constraint name' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'not_null')
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:validate_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.validate_not_null_constraint(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when constraint_name is provided' do
 | |
|       it 'calls validate_check_constraint with the correct parameters' do
 | |
|         constraint_name = 'check_name_not_null'
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:validate_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.validate_not_null_constraint(:test_table, :name, constraint_name: constraint_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#remove_not_null_constraint' do
 | |
|     context 'when constraint_name is not provided' do
 | |
|       it 'calls remove_check_constraint with an infered constraint name' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'not_null')
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:remove_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.remove_not_null_constraint(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when constraint_name is provided' do
 | |
|       it 'calls remove_check_constraint with the correct parameters' do
 | |
|         constraint_name = 'check_name_not_null'
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:remove_check_constraint)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.remove_not_null_constraint(:test_table, :name, constraint_name: constraint_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#check_not_null_constraint_exists?' do
 | |
|     context 'when constraint_name is not provided' do
 | |
|       it 'calls check_constraint_exists? with an infered constraint name' do
 | |
|         constraint_name = model.check_constraint_name(:test_table,
 | |
|                                                       :name,
 | |
|                                                       'not_null')
 | |
| 
 | |
|         expect(model).to receive(:check_constraint_name).and_call_original
 | |
|         expect(model).to receive(:check_constraint_exists?)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.check_not_null_constraint_exists?(:test_table, :name)
 | |
|       end
 | |
|     end
 | |
| 
 | |
|     context 'when constraint_name is provided' do
 | |
|       it 'calls check_constraint_exists? with the correct parameters' do
 | |
|         constraint_name = 'check_name_not_null'
 | |
| 
 | |
|         expect(model).not_to receive(:check_constraint_name)
 | |
|         expect(model).to receive(:check_constraint_exists?)
 | |
|                      .with(:test_table, constraint_name)
 | |
| 
 | |
|         model.check_not_null_constraint_exists?(:test_table, :name, constraint_name: constraint_name)
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#create_extension' do
 | |
|     subject { model.create_extension(extension) }
 | |
| 
 | |
|     let(:extension) { :btree_gist }
 | |
| 
 | |
|     it 'executes CREATE EXTENSION statement' do
 | |
|       expect(model).to receive(:execute).with(/CREATE EXTENSION IF NOT EXISTS #{extension}/)
 | |
| 
 | |
|       subject
 | |
|     end
 | |
| 
 | |
|     context 'without proper permissions' do
 | |
|       before do
 | |
|         allow(model).to receive(:execute).with(/CREATE EXTENSION IF NOT EXISTS #{extension}/).and_raise(ActiveRecord::StatementInvalid, 'InsufficientPrivilege: permission denied')
 | |
|       end
 | |
| 
 | |
|       it 'raises the exception' do
 | |
|         expect { subject }.to raise_error(ActiveRecord::StatementInvalid, /InsufficientPrivilege/)
 | |
|       end
 | |
| 
 | |
|       it 'prints an error message' do
 | |
|         expect { subject }.to output(/user is not allowed/).to_stderr.and raise_error
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| 
 | |
|   describe '#drop_extension' do
 | |
|     subject { model.drop_extension(extension) }
 | |
| 
 | |
|     let(:extension) { 'btree_gist' }
 | |
| 
 | |
|     it 'executes CREATE EXTENSION statement' do
 | |
|       expect(model).to receive(:execute).with(/DROP EXTENSION IF EXISTS #{extension}/)
 | |
| 
 | |
|       subject
 | |
|     end
 | |
| 
 | |
|     context 'without proper permissions' do
 | |
|       before do
 | |
|         allow(model).to receive(:execute).with(/DROP EXTENSION IF EXISTS #{extension}/).and_raise(ActiveRecord::StatementInvalid, 'InsufficientPrivilege: permission denied')
 | |
|       end
 | |
| 
 | |
|       it 'raises the exception' do
 | |
|         expect { subject }.to raise_error(ActiveRecord::StatementInvalid, /InsufficientPrivilege/)
 | |
|       end
 | |
| 
 | |
|       it 'prints an error message' do
 | |
|         expect { subject }.to output(/user is not allowed/).to_stderr.and raise_error
 | |
|       end
 | |
|     end
 | |
|   end
 | |
| end
 |