debian-mirror-gitlab/spec/models/event_collection_spec.rb

# frozen_string_literal: true

require 'spec_helper'

RSpec.describe EventCollection do
  include DesignManagementTestHelpers

  shared_examples 'EventCollection examples' do
    describe '#to_a' do
      let_it_be(:group) { create(:group) }
      let_it_be(:project) { create(:project_empty_repo, group: group) }
      let_it_be(:projects) { Project.where(id: project.id) }
      let_it_be(:user) { create(:user) }
      let_it_be(:merge_request) { create(:merge_request) }

      before do
        enable_design_management
      end

      context 'with project events' do
        let_it_be(:push_event_payloads) do
          Array.new(9) do
            create(:push_event_payload,
                   event: create(:push_event, project: project, author: user))
          end
        end

        let_it_be(:merge_request_events) { create_list(:event, 10, :merged, project: project, target: merge_request) }
        let_it_be(:closed_issue_event) { create(:closed_issue_event, project: project, author: user) }
        let_it_be(:wiki_page_event) { create(:wiki_page_event, project: project) }
        let_it_be(:design_event) { create(:design_event, project: project) }

        let(:push_events) { push_event_payloads.map(&:event) }

        it 'returns an Array of all event types when no filter is passed', :aggregate_failures do
          most_recent_20_events = [
            wiki_page_event,
            design_event,
            closed_issue_event,
            *push_events,
            *merge_request_events
          ].sort_by(&:id).reverse.take(20)
          events = described_class.new(projects).to_a

          expect(events).to be_an_instance_of(Array)
          expect(events).to match_array(most_recent_20_events)
        end

        it 'includes the wiki page events when using to_a' do
          events = described_class.new(projects).to_a

          expect(events).to include(wiki_page_event)
        end

        it 'includes the design events' do
          collection = described_class.new(projects)

          expect(collection.to_a).to include(design_event)
          expect(collection.all_project_events).to include(design_event)
        end

        it 'includes the wiki page events when using all_project_events' do
          events = described_class.new(projects).all_project_events

          expect(events).to include(wiki_page_event)
        end

        it 'applies a limit to the number of events' do
          events = described_class.new(projects).to_a

          expect(events.length).to eq(20)
        end

        it 'can paginate through events' do
          events = described_class.new(projects, limit: 5, offset: 15).to_a

          expect(events.length).to eq(5)
        end

        it 'returns an empty Array when crossing the maximum page number' do
          events = described_class.new(projects, limit: 1, offset: 15).to_a

          expect(events).to be_empty
        end

        it 'allows filtering of events using an EventFilter, returning single item' do
          filter = EventFilter.new(EventFilter::ISSUE)
          events = described_class.new(projects, filter: filter).to_a

          expect(events).to contain_exactly(closed_issue_event)
        end

        it 'allows filtering of events using an EventFilter, returning several items' do
          filter = EventFilter.new(EventFilter::MERGED)
          events = described_class.new(projects, filter: filter).to_a

          expect(events).to match_array(merge_request_events)
        end

        it 'allows filtering of events using an EventFilter, returning pushes' do
          filter = EventFilter.new(EventFilter::PUSH)
          events = described_class.new(projects, filter: filter).to_a

          expect(events).to match_array(push_events)
        end
      end

      context 'with group events' do
        let(:groups) { group.self_and_descendants.public_or_visible_to_user(user) }
        let(:subject) { described_class.new(projects, groups: groups).to_a }

        it 'includes also group events' do
          subgroup = create(:group, parent: group)
          event1 = create(:event, project: project, author: user)
          event2 = create(:event, project: nil, group: group, author: user)
          event3 = create(:event, project: nil, group: subgroup, author: user)

          expect(subject).to eq([event3, event2, event1])
        end

        it 'does not include events from inaccessible groups' do
          subgroup = create(:group, :private, parent: group)
          event1 = create(:event, project: nil, group: group, author: user)
          create(:event, project: nil, group: subgroup, author: user)

          expect(subject).to match_array([event1])
        end

        context 'pagination through events' do
          let_it_be(:project_events) { create_list(:event, 10, project: project) }
          let_it_be(:group_events) { create_list(:event, 10, group: group, author: user) }

          let(:subject) { described_class.new(projects, limit: 10, offset: 5, groups: groups).to_a }

          it 'returns recent groups and projects events' do
            recent_events_with_offset = (project_events[5..] + group_events[..4]).reverse

            expect(subject).to eq(recent_events_with_offset)
          end
        end

        context 'project exclusive event types' do
          using RSpec::Parameterized::TableSyntax

          where(:filter, :event) do
            EventFilter::PUSH | lazy { create(:push_event, project: project) }
            EventFilter::MERGED | lazy { create(:event, :merged, project: project, target: merge_request) }
            EventFilter::TEAM | lazy { create(:event, :joined, project: project) }
            EventFilter::ISSUE | lazy { create(:closed_issue_event, project: project) }
            EventFilter::DESIGNS | lazy { create(:design_event, project: project) }
          end

          with_them do
            let(:subject) do
              described_class.new(projects, groups: Group.where(id: group.id), filter: EventFilter.new(filter))
            end

            it "queries only project events" do
              expected_event = event # Forcing lazy evaluation
              expect(subject).to receive(:project_events).with(no_args).and_call_original
              expect(subject).not_to receive(:group_events)

              expect(subject.to_a).to match_array(expected_event)
            end
          end
        end
      end
    end
  end

  context 'when the optimized_project_and_group_activity_queries FF is on' do
    before do
      stub_feature_flags(optimized_project_and_group_activity_queries: true)
    end

    it_behaves_like 'EventCollection examples'

    it 'returns no events if no projects are passed' do
      events = described_class.new(Project.none).to_a

      expect(events).to be_empty
    end
  end

  context 'when the optimized_project_and_group_activity_queries FF is off' do
    before do
      stub_feature_flags(optimized_project_and_group_activity_queries: false)
    end

    it_behaves_like 'EventCollection examples'
  end
end