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# frozen_string_literal: true
require 'fast_spec_helper'
require 'support/helpers/stubbed_feature'
require 'support/helpers/stub_feature_flags'
require_dependency 're2'
RSpec.describe Gitlab::Ci::Pipeline::Expression::Lexeme::Matches do
include StubFeatureFlags
let(:left) { double('left') }
let(:right) { double('right') }
describe '.build' do
context 'with non-evaluable operands' do
it 'creates a new instance of the token' do
expect { described_class.build('=~', left, right) }
.to raise_error Gitlab::Ci::Pipeline::Expression::Lexeme::Operator::OperatorError
end
end
context 'with evaluable operands' do
it 'creates a new instance of the token' do
allow(left).to receive(:evaluate).and_return('my-string')
allow(right).to receive(:evaluate).and_return('/my-string/')
expect(described_class.build('=~', left, right))
.to be_a(described_class)
end
end
end
describe '.type' do
it 'is an operator' do
expect(described_class.type).to eq :logical_operator
end
end
describe '.precedence' do
it 'has a precedence' do
expect(described_class.precedence).to be_an Integer
end
end
describe '#evaluate' do
let(:operator) { described_class.new(left, right) }
subject { operator.evaluate }
before do
allow(left).to receive(:evaluate).and_return(left_value)
allow(right).to receive(:evaluate).and_return(right_value)
end
context 'when left and right do not match' do
let(:left_value) { 'my-string' }
let(:right_value) { Gitlab::UntrustedRegexp.new('something') }
it { is_expected.to eq(false) }
end
context 'when left and right match' do
let(:left_value) { 'my-awesome-string' }
let(:right_value) { Gitlab::UntrustedRegexp.new('awesome.string$') }
it { is_expected.to eq(true) }
end
context 'when left is nil' do
let(:left_value) { nil }
let(:right_value) { Gitlab::UntrustedRegexp.new('pattern') }
it { is_expected.to eq(false) }
end
context 'when right is nil' do
let(:left_value) { 'my-awesome-string' }
let(:right_value) { nil }
it { is_expected.to eq(false) }
end
context 'when left and right are nil' do
let(:left_value) { nil }
let(:right_value) { nil }
it { is_expected.to eq(false) }
end
context 'when left is an empty string' do
let(:left_value) { '' }
let(:right_value) { Gitlab::UntrustedRegexp.new('pattern') }
it { is_expected.to eq(false) }
end
context 'when left and right are empty strings' do
let(:left_value) { '' }
let(:right_value) { Gitlab::UntrustedRegexp.new('') }
it { is_expected.to eq(true) }
end
context 'when left is a multiline string and matches right' do
let(:left_value) do
<<~TEXT
My awesome contents
My-text-string!
TEXT
end
let(:right_value) { Gitlab::UntrustedRegexp.new('text-string') }
it { is_expected.to eq(true) }
end
context 'when left is a multiline string and does not match right' do
let(:left_value) do
<<~TEXT
My awesome contents
My-terrible-string!
TEXT
end
let(:right_value) { Gitlab::UntrustedRegexp.new('text-string') }
it { is_expected.to eq(false) }
end
context 'when a matching pattern uses regex flags' do
let(:left_value) do
<<~TEXT
My AWESOME content
TEXT
end
let(:right_value) { Gitlab::UntrustedRegexp.new('(?i)awesome') }
it { is_expected.to eq(true) }
end
context 'when a non-matching pattern uses regex flags' do
let(:left_value) do
<<~TEXT
My AWESOME content
TEXT
end
let(:right_value) { Gitlab::UntrustedRegexp.new('(?i)terrible') }
it { is_expected.to eq(false) }
end
context 'when right value is a regexp string' do
let(:right_value) { '/^ab.*/' }
context 'when matching' do
let(:left_value) { 'abcde' }
it { is_expected.to eq(true) }
end
context 'when not matching' do
let(:left_value) { 'dfg' }
it { is_expected.to eq(false) }
end
end
end
end
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