111 lines
2.9 KiB
Ruby
111 lines
2.9 KiB
Ruby
# frozen_string_literal: true
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require 'fast_spec_helper'
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RSpec.describe Gitlab::Ci::Pipeline::Expression::Lexeme::String do
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describe '.build' do
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it 'creates a new instance of the token' do
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expect(described_class.build('"my string"'))
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.to be_a(described_class)
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end
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end
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describe '.type' do
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it 'is a value lexeme' do
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expect(described_class.type).to eq :value
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end
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end
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describe '.scan' do
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context 'when using double quotes' do
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it 'correctly identifies string token' do
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scanner = StringScanner.new('"some string"')
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token = described_class.scan(scanner)
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expect(token).not_to be_nil
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expect(token.build.evaluate).to eq 'some string'
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end
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end
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context 'when using single quotes' do
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it 'correctly identifies string token' do
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scanner = StringScanner.new("'some string 2'")
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token = described_class.scan(scanner)
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expect(token).not_to be_nil
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expect(token.build.evaluate).to eq 'some string 2'
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end
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end
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context 'when there are mixed quotes in the string' do
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it 'is a greedy scanner for double quotes' do
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scanner = StringScanner.new('"some string" "and another one"')
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token = described_class.scan(scanner)
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expect(token).not_to be_nil
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expect(token.build.evaluate).to eq 'some string'
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end
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it 'is a greedy scanner for single quotes' do
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scanner = StringScanner.new("'some string' 'and another one'")
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token = described_class.scan(scanner)
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expect(token).not_to be_nil
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expect(token.build.evaluate).to eq 'some string'
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end
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it 'allows to use single quotes inside double quotes' do
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scanner = StringScanner.new(%("some ' string"))
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token = described_class.scan(scanner)
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expect(token).not_to be_nil
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expect(token.build.evaluate).to eq "some ' string"
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end
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it 'allow to use double quotes inside single quotes' do
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scanner = StringScanner.new(%('some " string'))
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token = described_class.scan(scanner)
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expect(token).not_to be_nil
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expect(token.build.evaluate).to eq 'some " string'
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end
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it 'allows to use an empty string inside single quotes' do
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scanner = StringScanner.new(%(''))
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token = described_class.scan(scanner)
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expect(token.build.evaluate).to eq ''
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end
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it 'allow to use an empty string inside double quotes' do
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scanner = StringScanner.new(%(""))
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token = described_class.scan(scanner)
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expect(token.build.evaluate).to eq ''
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end
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end
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end
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describe '#evaluate' do
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it 'returns string value if it is present' do
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string = described_class.new('my string')
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expect(string.evaluate).to eq 'my string'
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end
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it 'returns an empty string if it is empty' do
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string = described_class.new('')
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expect(string.evaluate).to eq ''
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end
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end
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end
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