require 'spec_helper' describe BlobViewer::GitlabCiYml do include FakeBlobHelpers include RepoHelpers set(:project) { create(:project, :repository) } set(:user) { create(:user) } let(:data) { File.read(Rails.root.join('spec/support/gitlab_stubs/gitlab_ci.yml')) } let(:blob) { fake_blob(path: '.gitlab-ci.yml', data: data) } let(:sha) { sample_commit.id } subject { described_class.new(blob) } describe '#validation_message' do it 'calls prepare! on the viewer' do expect(subject).to receive(:prepare!) subject.validation_message(project: project, sha: sha, user: user) end context 'when the configuration is valid' do it 'returns nil' do expect(subject.validation_message(project: project, sha: sha, user: user)).to be_nil end end context 'when the configuration is invalid' do let(:data) { 'oof' } it 'returns the error message' do expect(subject.validation_message(project: project, sha: sha, user: user)).to eq('Invalid configuration format') end end end end