62 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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require 'spec_helper'
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describe ApplicationRecord do
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  describe '#id_in' do
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    let(:records) { create_list(:user, 3) }
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    it 'returns records of the ids' do
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      expect(User.id_in(records.last(2).map(&:id))).to eq(records.last(2))
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    end
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  end
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  describe '.safe_ensure_unique' do
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    let(:model) { build(:suggestion) }
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    let(:klass) { model.class }
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    before do
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      allow(model).to receive(:save).and_raise(ActiveRecord::RecordNotUnique)
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    end
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    it 'returns false when ActiveRecord::RecordNotUnique is raised' do
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      expect(model).to receive(:save).once
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      expect(klass.safe_ensure_unique { model.save }).to be_falsey
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    end
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    it 'retries based on retry count specified' do
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      expect(model).to receive(:save).exactly(3).times
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      expect(klass.safe_ensure_unique(retries: 2) { model.save }).to be_falsey
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    end
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  end
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  describe '.safe_find_or_create_by' do
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    it 'creates the user avoiding race conditions' do
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      expect(Suggestion).to receive(:find_or_create_by).and_raise(ActiveRecord::RecordNotUnique)
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      allow(Suggestion).to receive(:find_or_create_by).and_call_original
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      expect { Suggestion.safe_find_or_create_by(build(:suggestion).attributes) }
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        .to change { Suggestion.count }.by(1)
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    end
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  end
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  describe '.safe_find_or_create_by!' do
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    it 'creates a record using safe_find_or_create_by' do
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      expect(Suggestion).to receive(:find_or_create_by).and_call_original
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      expect(Suggestion.safe_find_or_create_by!(build(:suggestion).attributes))
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        .to be_a(Suggestion)
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    end
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    it 'raises a validation error if the record was not persisted' do
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      expect { Suggestion.find_or_create_by!(note: nil) }.to raise_error(ActiveRecord::RecordInvalid)
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    end
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  end
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  describe '.underscore' do
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    it 'returns the underscored value of the class as a string' do
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      expect(MergeRequest.underscore).to eq('merge_request')
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    end
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  end
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end
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