require 'spec_helper' describe Gitlab::Ci::Config::Loader do let(:loader) { described_class.new(yml) } context 'when yaml syntax is correct' do let(:yml) { 'image: ruby:2.2' } describe '#valid?' do it 'returns true' do expect(loader.valid?).to be true end end describe '#load!' do it 'returns a valid hash' do expect(loader.load!).to eq(image: 'ruby:2.2') end end end context 'when yaml syntax is incorrect' do let(:yml) { '// incorrect' } describe '#valid?' do it 'returns false' do expect(loader.valid?).to be false end end describe '#load!' do it 'raises error' do expect { loader.load! }.to raise_error( Gitlab::Ci::Config::Loader::FormatError, 'Invalid configuration format' ) end end end context 'when there is an unknown alias' do let(:yml) { 'steps: *bad_alias' } describe '#initialize' do it 'raises FormatError' do expect { loader }.to raise_error(Gitlab::Ci::Config::Loader::FormatError, 'Unknown alias: bad_alias') end end end context 'when yaml config is empty' do let(:yml) { '' } describe '#valid?' do it 'returns false' do expect(loader.valid?).to be false end end end end