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require 'spec_helper'
describe Gitlab::Ci::Pipeline::Expression::Lexeme::Null do
describe '.build' do
it 'creates a new instance of the token' do
expect(described_class.build('null'))
.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
it 'always evaluates to `nil`' do
expect(described_class.new('null').evaluate).to be_nil
end
end
end
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