71 lines
2 KiB
Ruby
71 lines
2 KiB
Ruby
|
require 'spec_helper'
|
||
|
|
|
||
|
|
describe Gitlab::Ci::Pipeline::Expression::Lexer do
|
||
|
|
let(:token_class) do
|
||
|
|
Gitlab::Ci::Pipeline::Expression::Token
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#tokens' do
|
||
|
|
it 'tokenss single value' do
|
||
|
|
tokens = described_class.new('$VARIABLE').tokens
|
||
|
|
|
||
|
|
expect(tokens).to be_one
|
||
|
|
expect(tokens).to all(be_an_instance_of(token_class))
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'does ignore whitespace characters' do
|
||
|
|
tokens = described_class.new("\t$VARIABLE ").tokens
|
||
|
|
|
||
|
|
expect(tokens).to be_one
|
||
|
|
expect(tokens).to all(be_an_instance_of(token_class))
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'tokenss multiple values of the same token' do
|
||
|
|
tokens = described_class.new("$VARIABLE1 $VARIABLE2").tokens
|
||
|
|
|
||
|
|
expect(tokens.size).to eq 2
|
||
|
|
expect(tokens).to all(be_an_instance_of(token_class))
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'tokenss multiple values with different tokens' do
|
||
|
|
tokens = described_class.new('$VARIABLE "text" "value"').tokens
|
||
|
|
|
||
|
|
expect(tokens.size).to eq 3
|
||
|
|
expect(tokens.first.value).to eq '$VARIABLE'
|
||
|
|
expect(tokens.second.value).to eq '"text"'
|
||
|
|
expect(tokens.third.value).to eq '"value"'
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'tokenss tokens and operators' do
|
||
|
|
tokens = described_class.new('$VARIABLE == "text"').tokens
|
||
|
|
|
||
|
|
expect(tokens.size).to eq 3
|
||
|
|
expect(tokens.first.value).to eq '$VARIABLE'
|
||
|
|
expect(tokens.second.value).to eq '=='
|
||
|
|
expect(tokens.third.value).to eq '"text"'
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'limits statement to specified amount of tokens' do
|
||
|
|
lexer = described_class.new("$V1 $V2 $V3 $V4", max_tokens: 3)
|
||
|
|
|
||
|
|
expect { lexer.tokens }
|
||
|
|
.to raise_error described_class::SyntaxError
|
||
|
|
end
|
||
|
|
|
||
|
|
it 'raises syntax error in case of finding unknown tokens' do
|
||
|
|
lexer = described_class.new('$V1 123 $V2')
|
||
|
|
|
||
|
|
expect { lexer.tokens }
|
||
|
|
.to raise_error described_class::SyntaxError
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
describe '#lexemes' do
|
||
|
|
it 'returns an array of syntax lexemes' do
|
||
|
|
lexer = described_class.new('$VAR "text"')
|
||
|
|
|
||
|
|
expect(lexer.lexemes).to eq %w[variable string]
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|