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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::Ci::Pipeline::Expression::Lexeme::Variable do
describe '.build' do
it 'creates a new instance of the token' do
expect(described_class.build('$VARIABLE'))
.to be_a(described_class)
end
end
describe '.type' do
it 'is a value lexeme' do
expect(described_class.type).to eq :value
end
end
describe '#evaluate' do
let(:lexeme) { described_class.new('VARIABLE') }
it 'returns variable value if it is defined' do
expect(lexeme.evaluate(VARIABLE: 'my variable'))
.to eq 'my variable'
end
it 'allows to use a string as a variable key too' do
expect(lexeme.evaluate('VARIABLE' => 'my variable'))
.to eq 'my variable'
end
it 'returns nil if it is not defined' do
expect(lexeme.evaluate('OTHER' => 'variable')).to be_nil
expect(lexeme.evaluate(OTHER: 'variable')).to be_nil
end
it 'returns an empty string if it is empty' do
expect(lexeme.evaluate('VARIABLE' => '')).to eq ''
expect(lexeme.evaluate(VARIABLE: '')).to eq ''
end
it 'does not call with_indifferent_access unnecessarily' do
variables_hash = { VARIABLE: 'my variable' }.with_indifferent_access
expect(variables_hash).not_to receive(:with_indifferent_access)
expect(lexeme.evaluate(variables_hash)).to eq 'my variable'
end
end
end
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