require 'spec_helper' describe Banzai::ReferenceParser::CommitParser, lib: true do include ReferenceParserHelpers let(:project) { create(:empty_project, :public) } let(:user) { create(:user) } subject { described_class.new(project, user) } let(:link) { empty_html_link } describe '#referenced_by' do context 'when the link has a data-project attribute' do before do link['data-project'] = project.id.to_s end context 'when the link has a data-commit attribute' do before do link['data-commit'] = '123' end it 'returns an Array of commits' do commit = double(:commit) allow_any_instance_of(Project).to receive(:valid_repo?). and_return(true) expect(subject).to receive(:find_commits). with(project, ['123']). and_return([commit]) expect(subject.referenced_by([link])).to eq([commit]) end it 'returns an empty Array when the commit could not be found' do allow_any_instance_of(Project).to receive(:valid_repo?). and_return(true) expect(subject).to receive(:find_commits). with(project, ['123']). and_return([]) expect(subject.referenced_by([link])).to eq([]) end it 'skips projects without valid repositories' do allow_any_instance_of(Project).to receive(:valid_repo?). and_return(false) expect(subject.referenced_by([link])).to eq([]) end end context 'when the link does not have a data-commit attribute' do it 'returns an empty Array' do allow_any_instance_of(Project).to receive(:valid_repo?). and_return(true) expect(subject.referenced_by([link])).to eq([]) end end end context 'when the link does not have a data-project attribute' do it 'returns an empty Array' do allow_any_instance_of(Project).to receive(:valid_repo?). and_return(true) expect(subject.referenced_by([link])).to eq([]) end end end describe '#commit_ids_per_project' do before do link['data-project'] = project.id.to_s end it 'returns a Hash containing commit IDs per project' do link['data-commit'] = '123' hash = subject.commit_ids_per_project([link]) expect(hash).to be_an_instance_of(Hash) expect(hash[project.id].to_a).to eq(['123']) end it 'does not add a project when the data-commit attribute is empty' do hash = subject.commit_ids_per_project([link]) expect(hash).to be_empty end end describe '#find_commits' do it 'returns an Array of commit objects' do commit = double(:commit) expect(project).to receive(:commit).with('123').and_return(commit) expect(project).to receive(:valid_repo?).and_return(true) expect(subject.find_commits(project, %w{123})).to eq([commit]) end it 'skips commit IDs for which no commit could be found' do expect(project).to receive(:commit).with('123').and_return(nil) expect(project).to receive(:valid_repo?).and_return(true) expect(subject.find_commits(project, %w{123})).to eq([]) end end end