diff options
Diffstat (limited to 'spec/lib/banzai/reference_parser/base_parser_spec.rb')
-rw-r--r-- | spec/lib/banzai/reference_parser/base_parser_spec.rb | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/spec/lib/banzai/reference_parser/base_parser_spec.rb b/spec/lib/banzai/reference_parser/base_parser_spec.rb new file mode 100644 index 00000000000..543b4786d84 --- /dev/null +++ b/spec/lib/banzai/reference_parser/base_parser_spec.rb @@ -0,0 +1,237 @@ +require 'spec_helper' + +describe Banzai::ReferenceParser::BaseParser, lib: true do + include ReferenceParserHelpers + + let(:user) { create(:user) } + let(:project) { create(:empty_project, :public) } + + subject do + klass = Class.new(described_class) do + self.reference_type = :foo + end + + klass.new(project, user) + end + + describe '.reference_type=' do + it 'sets the reference type' do + dummy = Class.new(described_class) + dummy.reference_type = :foo + + expect(dummy.reference_type).to eq(:foo) + end + end + + describe '#nodes_visible_to_user' do + let(:link) { empty_html_link } + + context 'when the link has a data-project attribute' do + it 'returns the nodes if the attribute value equals the current project ID' do + link['data-project'] = project.id.to_s + + expect(Ability.abilities).not_to receive(:allowed?) + expect(subject.nodes_visible_to_user(user, [link])).to eq([link]) + end + + it 'returns the nodes if the user can read the project' do + other_project = create(:empty_project, :public) + + link['data-project'] = other_project.id.to_s + + expect(Ability.abilities).to receive(:allowed?). + with(user, :read_project, other_project). + and_return(true) + + expect(subject.nodes_visible_to_user(user, [link])).to eq([link]) + end + + it 'returns an empty Array when the attribute value is empty' do + link['data-project'] = '' + + expect(subject.nodes_visible_to_user(user, [link])).to eq([]) + end + + it 'returns an empty Array when the user can not read the project' do + other_project = create(:empty_project, :public) + + link['data-project'] = other_project.id.to_s + + expect(Ability.abilities).to receive(:allowed?). + with(user, :read_project, other_project). + and_return(false) + + expect(subject.nodes_visible_to_user(user, [link])).to eq([]) + end + end + + context 'when the link does not have a data-project attribute' do + it 'returns the nodes' do + expect(subject.nodes_visible_to_user(user, [link])).to eq([link]) + end + end + end + + describe '#nodes_user_can_reference' do + it 'returns the nodes' do + link = double(:link) + + expect(subject.nodes_user_can_reference(user, [link])).to eq([link]) + end + end + + describe '#referenced_by' do + context 'when references_relation is implemented' do + it 'returns a collection of objects' do + links = Nokogiri::HTML.fragment("<a data-foo='#{user.id}'></a>"). + children + + expect(subject).to receive(:references_relation).and_return(User) + expect(subject.referenced_by(links)).to eq([user]) + end + end + + context 'when references_relation is not implemented' do + it 'raises NotImplementedError' do + links = Nokogiri::HTML.fragment('<a data-foo="1"></a>').children + + expect { subject.referenced_by(links) }. + to raise_error(NotImplementedError) + end + end + end + + describe '#references_relation' do + it 'raises NotImplementedError' do + expect { subject.references_relation }.to raise_error(NotImplementedError) + end + end + + describe '#gather_attributes_per_project' do + it 'returns a Hash containing attribute values per project' do + link = Nokogiri::HTML.fragment('<a data-project="1" data-foo="2"></a>'). + children[0] + + hash = subject.gather_attributes_per_project([link], 'data-foo') + + expect(hash).to be_an_instance_of(Hash) + + expect(hash[1].to_a).to eq(['2']) + end + end + + describe '#grouped_objects_for_nodes' do + it 'returns a Hash grouping objects per ID' do + nodes = [double(:node)] + + expect(subject).to receive(:unique_attribute_values). + with(nodes, 'data-user'). + and_return([user.id]) + + hash = subject.grouped_objects_for_nodes(nodes, User, 'data-user') + + expect(hash).to eq({ user.id => user }) + end + + it 'returns an empty Hash when the list of nodes is empty' do + expect(subject.grouped_objects_for_nodes([], User, 'data-user')).to eq({}) + end + end + + describe '#unique_attribute_values' do + it 'returns an Array of unique values' do + link = double(:link) + + expect(link).to receive(:has_attribute?). + with('data-foo'). + twice. + and_return(true) + + expect(link).to receive(:attr). + with('data-foo'). + twice. + and_return('1') + + nodes = [link, link] + + expect(subject.unique_attribute_values(nodes, 'data-foo')).to eq(['1']) + end + end + + describe '#process' do + it 'gathers the references for every node matching the reference type' do + dummy = Class.new(described_class) do + self.reference_type = :test + end + + instance = dummy.new(project, user) + document = Nokogiri::HTML.fragment('<a class="gfm"></a><a class="gfm" data-reference-type="test"></a>') + + expect(instance).to receive(:gather_references). + with([document.children[1]]). + and_return([user]) + + expect(instance.process([document])).to eq([user]) + end + end + + describe '#gather_references' do + let(:link) { double(:link) } + + it 'does not process links a user can not reference' do + expect(subject).to receive(:nodes_user_can_reference). + with(user, [link]). + and_return([]) + + expect(subject).to receive(:referenced_by).with([]) + + subject.gather_references([link]) + end + + it 'does not process links a user can not see' do + expect(subject).to receive(:nodes_user_can_reference). + with(user, [link]). + and_return([link]) + + expect(subject).to receive(:nodes_visible_to_user). + with(user, [link]). + and_return([]) + + expect(subject).to receive(:referenced_by).with([]) + + subject.gather_references([link]) + end + + it 'returns the references if a user can reference and see a link' do + expect(subject).to receive(:nodes_user_can_reference). + with(user, [link]). + and_return([link]) + + expect(subject).to receive(:nodes_visible_to_user). + with(user, [link]). + and_return([link]) + + expect(subject).to receive(:referenced_by).with([link]) + + subject.gather_references([link]) + end + end + + describe '#can?' do + it 'delegates the permissions check to the Ability class' do + user = double(:user) + + expect(Ability.abilities).to receive(:allowed?). + with(user, :read_project, project) + + subject.can?(user, :read_project, project) + end + end + + describe '#find_projects_for_hash_keys' do + it 'returns a list of Projects' do + expect(subject.find_projects_for_hash_keys(project.id => project)). + to eq([project]) + end + end +end |