diff options
Diffstat (limited to 'spec/lib/gitlab/untrusted_regexp/ruby_syntax_spec.rb')
-rw-r--r-- | spec/lib/gitlab/untrusted_regexp/ruby_syntax_spec.rb | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/spec/lib/gitlab/untrusted_regexp/ruby_syntax_spec.rb b/spec/lib/gitlab/untrusted_regexp/ruby_syntax_spec.rb new file mode 100644 index 00000000000..005d41580de --- /dev/null +++ b/spec/lib/gitlab/untrusted_regexp/ruby_syntax_spec.rb @@ -0,0 +1,72 @@ +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 |