diff options
Diffstat (limited to 'spec/lib/gitlab/ci/pipeline/expression')
6 files changed, 241 insertions, 46 deletions
diff --git a/spec/lib/gitlab/ci/pipeline/expression/lexeme/matches_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/lexeme/matches_spec.rb new file mode 100644 index 00000000000..49e5af52f4d --- /dev/null +++ b/spec/lib/gitlab/ci/pipeline/expression/lexeme/matches_spec.rb @@ -0,0 +1,80 @@ +require 'fast_spec_helper' +require_dependency 're2' + +describe Gitlab::Ci::Pipeline::Expression::Lexeme::Matches do + let(:left) { double('left') } + let(:right) { double('right') } + + describe '.build' do + it 'creates a new instance of the token' do + expect(described_class.build('=~', left, right)) + .to be_a(described_class) + end + end + + describe '.type' do + it 'is an operator' do + expect(described_class.type).to eq :operator + end + end + + describe '#evaluate' do + it 'returns false when left and right do not match' do + allow(left).to receive(:evaluate).and_return('my-string') + allow(right).to receive(:evaluate) + .and_return(Gitlab::UntrustedRegexp.new('something')) + + operator = described_class.new(left, right) + + expect(operator.evaluate).to eq false + end + + it 'returns true when left and right match' do + allow(left).to receive(:evaluate).and_return('my-awesome-string') + allow(right).to receive(:evaluate) + .and_return(Gitlab::UntrustedRegexp.new('awesome.string$')) + + operator = described_class.new(left, right) + + expect(operator.evaluate).to eq true + end + + it 'supports matching against a nil value' do + allow(left).to receive(:evaluate).and_return(nil) + allow(right).to receive(:evaluate) + .and_return(Gitlab::UntrustedRegexp.new('pattern')) + + operator = described_class.new(left, right) + + expect(operator.evaluate).to eq false + end + + it 'supports multiline strings' do + allow(left).to receive(:evaluate).and_return <<~TEXT + My awesome contents + + My-text-string! + TEXT + + allow(right).to receive(:evaluate) + .and_return(Gitlab::UntrustedRegexp.new('text-string')) + + operator = described_class.new(left, right) + + expect(operator.evaluate).to eq true + end + + it 'supports regexp flags' do + allow(left).to receive(:evaluate).and_return <<~TEXT + My AWESOME content + TEXT + + allow(right).to receive(:evaluate) + .and_return(Gitlab::UntrustedRegexp.new('(?i)awesome')) + + operator = described_class.new(left, right) + + expect(operator.evaluate).to eq true + end + end +end diff --git a/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb new file mode 100644 index 00000000000..3ebc2e94727 --- /dev/null +++ b/spec/lib/gitlab/ci/pipeline/expression/lexeme/pattern_spec.rb @@ -0,0 +1,96 @@ +require 'fast_spec_helper' + +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 + + it 'raises an error if pattern is invalid' do + expect { described_class.build('/ some ( thin/i') } + .to raise_error(Gitlab::Ci::Pipeline::Expression::Lexer::SyntaxError) + 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 + + it 'support single flag' do + scanner = StringScanner.new('/pattern/i') + + token = described_class.scan(scanner) + + expect(token).not_to be_nil + expect(token.build.evaluate) + .to eq Gitlab::UntrustedRegexp.new('(?i)pattern') + end + + it 'support multiple flags' do + scanner = StringScanner.new('/pattern/im') + + token = described_class.scan(scanner) + + expect(token).not_to be_nil + expect(token.build.evaluate) + .to eq Gitlab::UntrustedRegexp.new('(?im)pattern') + end + + it 'does not support arbitrary flags' do + scanner = StringScanner.new('/pattern/x') + + token = described_class.scan(scanner) + + expect(token).to be_nil + end + end + + describe '#evaluate' do + it 'returns a regular expression' do + regexp = described_class.new('/abc/') + + expect(regexp.evaluate).to eq Gitlab::UntrustedRegexp.new('abc') + end + + it 'raises error if evaluated regexp is not valid' do + allow(Gitlab::UntrustedRegexp).to receive(:valid?).and_return(true) + + regexp = described_class.new('/invalid ( .*/') + + expect { regexp.evaluate } + .to raise_error(Gitlab::Ci::Pipeline::Expression::RuntimeError) + end + end +end diff --git a/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb index 230ceeb07f8..3f11b3f7673 100644 --- a/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb +++ b/spec/lib/gitlab/ci/pipeline/expression/lexer_spec.rb @@ -6,7 +6,7 @@ describe Gitlab::Ci::Pipeline::Expression::Lexer do end describe '#tokens' do - it 'tokenss single value' do + it 'returns single value' do tokens = described_class.new('$VARIABLE').tokens expect(tokens).to be_one @@ -20,14 +20,14 @@ describe Gitlab::Ci::Pipeline::Expression::Lexer do expect(tokens).to all(be_an_instance_of(token_class)) end - it 'tokenss multiple values of the same token' do + it 'returns multiple values of the same token' do tokens = described_class.new("$VARIABLE1 $VARIABLE2").tokens expect(tokens.size).to eq 2 expect(tokens).to all(be_an_instance_of(token_class)) end - it 'tokenss multiple values with different tokens' do + it 'returns multiple values with different tokens' do tokens = described_class.new('$VARIABLE "text" "value"').tokens expect(tokens.size).to eq 3 @@ -36,7 +36,7 @@ describe Gitlab::Ci::Pipeline::Expression::Lexer do expect(tokens.third.value).to eq '"value"' end - it 'tokenss tokens and operators' do + it 'returns tokens and operators' do tokens = described_class.new('$VARIABLE == "text"').tokens expect(tokens.size).to eq 3 diff --git a/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb index e8e6f585310..2b78b1dd4a7 100644 --- a/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb +++ b/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb @@ -1,4 +1,4 @@ -require 'spec_helper' +require 'fast_spec_helper' describe Gitlab::Ci::Pipeline::Expression::Parser do describe '#tree' do diff --git a/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb index 6685bf5385b..11e73294f18 100644 --- a/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb +++ b/spec/lib/gitlab/ci/pipeline/expression/statement_spec.rb @@ -1,4 +1,5 @@ -require 'spec_helper' +require 'fast_spec_helper' +require 'rspec-parameterized' describe Gitlab::Ci::Pipeline::Expression::Statement do subject do @@ -36,7 +37,7 @@ describe Gitlab::Ci::Pipeline::Expression::Statement do '== "123"', # invalid left side '"some string"', # only string provided '$VAR ==', # invalid right side - '12345', # unknown syntax + 'null', # missing lexemes '' # empty statement ] @@ -44,7 +45,7 @@ describe Gitlab::Ci::Pipeline::Expression::Statement do context "when expression grammar is #{syntax.inspect}" do let(:text) { syntax } - it 'aises a statement error exception' do + it 'raises a statement error exception' do expect { subject.parse_tree } .to raise_error described_class::StatementError end @@ -82,48 +83,66 @@ describe Gitlab::Ci::Pipeline::Expression::Statement do end describe '#evaluate' do - statements = [ - ['$PRESENT_VARIABLE == "my variable"', true], - ["$PRESENT_VARIABLE == 'my variable'", true], - ['"my variable" == $PRESENT_VARIABLE', true], - ['$PRESENT_VARIABLE == null', false], - ['$EMPTY_VARIABLE == null', false], - ['"" == $EMPTY_VARIABLE', true], - ['$EMPTY_VARIABLE', ''], - ['$UNDEFINED_VARIABLE == null', true], - ['null == $UNDEFINED_VARIABLE', true], - ['$PRESENT_VARIABLE', 'my variable'], - ['$UNDEFINED_VARIABLE', nil] - ] - - statements.each do |expression, value| - context "when using expression `#{expression}`" do - let(:text) { expression } - - it "evaluates to `#{value.inspect}`" do - expect(subject.evaluate).to eq value - end + using RSpec::Parameterized::TableSyntax + + where(:expression, :value) do + '$PRESENT_VARIABLE == "my variable"' | true + '"my variable" == $PRESENT_VARIABLE' | true + '$PRESENT_VARIABLE == null' | false + '$EMPTY_VARIABLE == null' | false + '"" == $EMPTY_VARIABLE' | true + '$EMPTY_VARIABLE' | '' + '$UNDEFINED_VARIABLE == null' | true + 'null == $UNDEFINED_VARIABLE' | true + '$PRESENT_VARIABLE' | 'my variable' + '$UNDEFINED_VARIABLE' | nil + "$PRESENT_VARIABLE =~ /var.*e$/" | true + "$PRESENT_VARIABLE =~ /^var.*/" | false + "$EMPTY_VARIABLE =~ /var.*/" | false + "$UNDEFINED_VARIABLE =~ /var.*/" | false + "$PRESENT_VARIABLE =~ /VAR.*/i" | true + end + + with_them do + let(:text) { expression } + + it "evaluates to `#{params[:value].inspect}`" do + expect(subject.evaluate).to eq value end end end describe '#truthful?' do - statements = [ - ['$PRESENT_VARIABLE == "my variable"', true], - ["$PRESENT_VARIABLE == 'no match'", false], - ['$UNDEFINED_VARIABLE == null', true], - ['$PRESENT_VARIABLE', true], - ['$UNDEFINED_VARIABLE', false], - ['$EMPTY_VARIABLE', false] - ] - - statements.each do |expression, value| - context "when using expression `#{expression}`" do - let(:text) { expression } - - it "returns `#{value.inspect}`" do - expect(subject.truthful?).to eq value - end + using RSpec::Parameterized::TableSyntax + + where(:expression, :value) do + '$PRESENT_VARIABLE == "my variable"' | true + "$PRESENT_VARIABLE == 'no match'" | false + '$UNDEFINED_VARIABLE == null' | true + '$PRESENT_VARIABLE' | true + '$UNDEFINED_VARIABLE' | false + '$EMPTY_VARIABLE' | false + '$INVALID = 1' | false + "$PRESENT_VARIABLE =~ /var.*/" | true + "$UNDEFINED_VARIABLE =~ /var.*/" | false + end + + with_them do + let(:text) { expression } + + it "returns `#{params[:value].inspect}`" do + expect(subject.truthful?).to eq value + end + end + + context 'when evaluating expression raises an error' do + let(:text) { '$PRESENT_VARIABLE' } + + it 'returns false' do + allow(subject).to receive(:evaluate) + .and_raise(described_class::StatementError) + + expect(subject.truthful?).to be_falsey end end end diff --git a/spec/lib/gitlab/ci/pipeline/expression/token_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/token_spec.rb index 6d7453f0de5..cedfe270f9d 100644 --- a/spec/lib/gitlab/ci/pipeline/expression/token_spec.rb +++ b/spec/lib/gitlab/ci/pipeline/expression/token_spec.rb @@ -1,4 +1,4 @@ -require 'spec_helper' +require 'fast_spec_helper' describe Gitlab::Ci::Pipeline::Expression::Token do let(:value) { '$VARIABLE' } |