gitlab-ce/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb

56 lines
1.3 KiB
Ruby

require 'fast_spec_helper'
require_dependency 're2'
describe Gitlab::Ci::Pipeline::Expression::Lexeme::Pattern do
describe '.build' do
it 'creates a new instance of the token' do
expect(described_class.build('/.*/'))
.to be_a(described_class)
end
end
describe '.type' do
it 'is a value lexeme' do
expect(described_class.type).to eq :value
end
end
describe '.scan' do
it 'correctly identifies a pattern token' do
scanner = StringScanner.new('/pattern/')
token = described_class.scan(scanner)
expect(token).not_to be_nil
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('pattern')
end
it 'is a greedy scanner for regexp boundaries' do
scanner = StringScanner.new('/some .* / pattern/')
token = described_class.scan(scanner)
expect(token).not_to be_nil
expect(token.build.evaluate)
.to eq Gitlab::UntrustedRegexp.new('some .* / pattern')
end
it 'does not allow to use an empty pattern' do
scanner = StringScanner.new(%(//))
token = described_class.scan(scanner)
expect(token).to be_nil
end
end
describe '#evaluate' do
it 'returns a regular expression' do
string = described_class.new('abc')
expect(string.evaluate).to eq Gitlab::UntrustedRegexp.new('abc')
end
end
end