diff options
Diffstat (limited to 'spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb')
-rw-r--r-- | spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb | 48 |
1 files changed, 45 insertions, 3 deletions
diff --git a/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb b/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb index 2b78b1dd4a7..e88ec5561b6 100644 --- a/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb +++ b/spec/lib/gitlab/ci/pipeline/expression/parser_spec.rb @@ -2,25 +2,67 @@ require 'fast_spec_helper' describe Gitlab::Ci::Pipeline::Expression::Parser do describe '#tree' do - context 'when using operators' do + context 'when using two operators' do + it 'returns a reverse descent parse tree' do + expect(described_class.seed('$VAR1 == "123"').tree) + .to be_a Gitlab::Ci::Pipeline::Expression::Lexeme::Equals + end + end + + context 'when using three operators' do it 'returns a reverse descent parse tree' do expect(described_class.seed('$VAR1 == "123" == $VAR2').tree) .to be_a Gitlab::Ci::Pipeline::Expression::Lexeme::Equals end end - context 'when using a single token' do + context 'when using a single variable token' do it 'returns a single token instance' do expect(described_class.seed('$VAR').tree) .to be_a Gitlab::Ci::Pipeline::Expression::Lexeme::Variable end end + context 'when using a single string token' do + it 'returns a single token instance' do + expect(described_class.seed('"some value"').tree) + .to be_a Gitlab::Ci::Pipeline::Expression::Lexeme::String + end + end + context 'when expression is empty' do it 'returns a null token' do - expect(described_class.seed('').tree) + expect { described_class.seed('').tree } + .to raise_error Gitlab::Ci::Pipeline::Expression::Parser::ParseError + end + end + + context 'when expression is null' do + it 'returns a null token' do + expect(described_class.seed('null').tree) .to be_a Gitlab::Ci::Pipeline::Expression::Lexeme::Null end end + + context 'when two value tokens have no operator' do + it 'raises a parsing error' do + expect { described_class.seed('$VAR "text"').tree } + .to raise_error Gitlab::Ci::Pipeline::Expression::Parser::ParseError + end + end + + context 'when an operator has no left side' do + it 'raises an OperatorError' do + expect { described_class.seed('== "123"').tree } + .to raise_error Gitlab::Ci::Pipeline::Expression::Lexeme::Operator::OperatorError + end + end + + context 'when an operator has no right side' do + it 'raises an OperatorError' do + expect { described_class.seed('$VAR ==').tree } + .to raise_error Gitlab::Ci::Pipeline::Expression::Lexeme::Operator::OperatorError + end + end end end |