debian-mirror-gitlab/spec/lib/gitlab/untrusted_regexp/ruby_syntax_spec.rb
2019-04-19 08:11:19 +05:30

72 lines
2 KiB
Ruby

require 'fast_spec_helper'
require 'support/shared_examples/malicious_regexp_shared_examples'
describe Gitlab::UntrustedRegexp::RubySyntax do
describe '.matches_syntax?' do
it 'returns true if regexp is valid' do
expect(described_class.matches_syntax?('/some .* thing/'))
.to be true
end
it 'returns true if regexp is invalid, but resembles regexp' do
expect(described_class.matches_syntax?('/some ( thing/'))
.to be true
end
end
describe '.valid?' do
it 'returns true if regexp is valid' do
expect(described_class.valid?('/some .* thing/'))
.to be true
end
it 'returns false if regexp is invalid' do
expect(described_class.valid?('/some ( thing/'))
.to be false
end
end
describe '.fabricate' do
context 'when regexp is valid' do
it 'fabricates regexp without flags' do
expect(described_class.fabricate('/some .* thing/')).not_to be_nil
end
end
context 'when regexp is a raw pattern' do
it 'returns error' do
expect(described_class.fabricate('some .* thing')).to be_nil
end
end
end
describe '.fabricate!' do
context 'when regexp is using /regexp/ scheme with flags' do
it 'fabricates regexp with a single flag' do
regexp = described_class.fabricate!('/something/i')
expect(regexp).to eq Gitlab::UntrustedRegexp.new('(?i)something')
expect(regexp.scan('SOMETHING')).to be_one
end
it 'fabricates regexp with multiple flags' do
regexp = described_class.fabricate!('/something/im')
expect(regexp).to eq Gitlab::UntrustedRegexp.new('(?im)something')
end
it 'fabricates regexp without flags' do
regexp = described_class.fabricate!('/something/')
expect(regexp).to eq Gitlab::UntrustedRegexp.new('something')
end
end
context 'when regexp is a raw pattern' do
it 'raises an error' do
expect { described_class.fabricate!('some .* thing') }
.to raise_error(RegexpError)
end
end
end
end