257 lines
8.2 KiB
Ruby
257 lines
8.2 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe 'merge requests discussions' do
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# Further tests can be found at merge_requests_controller_spec.rb
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describe 'GET /:namespace/:project/-/merge_requests/:iid/discussions' do
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let(:project) { create(:project, :repository, :public) }
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let(:owner) { project.first_owner }
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let(:user) { create(:user) }
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let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
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before do
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project.add_maintainer(owner)
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project.add_developer(user)
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login_as(user)
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end
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def send_request
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get discussions_namespace_project_merge_request_path(namespace_id: project.namespace, project_id: project, id: merge_request.iid)
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end
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it 'returns 200' do
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send_request
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expect(response).to have_gitlab_http_status(:ok)
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end
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# https://docs.gitlab.com/ee/development/query_recorder.html#use-request-specs-instead-of-controller-specs
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it 'avoids N+1 DB queries', :request_store do
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send_request # warm up
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create(:diff_note_on_merge_request, noteable: merge_request,
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project: merge_request.project)
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control = ActiveRecord::QueryRecorder.new { send_request }
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create(:diff_note_on_merge_request, noteable: merge_request,
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project: merge_request.project)
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expect do
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send_request
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end.not_to exceed_query_limit(control)
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end
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it 'limits Gitaly queries', :request_store do
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Gitlab::GitalyClient.allow_n_plus_1_calls do
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create_list(:diff_note_on_merge_request, 7, noteable: merge_request,
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project: merge_request.project)
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end
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# The creations above write into the Gitaly counts
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Gitlab::GitalyClient.reset_counts
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expect { send_request }
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.to change { Gitlab::GitalyClient.get_request_count }.by_at_most(4)
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end
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context 'caching', :use_clean_rails_memory_store_caching do
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let(:reference) { create(:issue, project: project) }
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let(:author) { create(:user) }
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let!(:first_note) { create(:diff_note_on_merge_request, author: author, noteable: merge_request, project: project, note: "reference: #{reference.to_reference}") }
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let!(:second_note) { create(:diff_note_on_merge_request, in_reply_to: first_note, noteable: merge_request, project: project) }
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let!(:award_emoji) { create(:award_emoji, awardable: first_note) }
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let!(:author_membership) { project.add_maintainer(author) }
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before do
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# Make a request to cache the discussions
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send_request
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end
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shared_examples 'cache miss' do
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it 'does not hit a warm cache' do
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expect_next_instance_of(DiscussionSerializer) do |serializer|
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expect(serializer).to receive(:represent) do |arg|
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expect(arg.notes).to contain_exactly(*changed_notes)
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end.and_call_original
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end
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send_request
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end
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end
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it 'gets cached on subsequent requests' do
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expect_next_instance_of(DiscussionSerializer) do |serializer|
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expect(serializer).not_to receive(:represent)
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end
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send_request
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end
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context 'when a note in a discussion got updated' do
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before do
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first_note.update!(updated_at: 1.minute.from_now)
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when a note in a discussion got its reference state updated' do
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before do
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reference.close!
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when a note in a discussion got resolved' do
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before do
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travel_to(1.minute.from_now) do
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first_note.resolve!(user)
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end
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when a note is added to a discussion' do
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let!(:third_note) { create(:diff_note_on_merge_request, in_reply_to: first_note, noteable: merge_request, project: project) }
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note, third_note] }
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end
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end
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context 'when a note is removed from a discussion' do
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before do
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second_note.destroy!
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note] }
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end
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end
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context 'when an emoji is awarded to a note in discussion' do
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before do
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travel_to(1.minute.from_now) do
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create(:award_emoji, awardable: first_note)
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end
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when an award emoji is removed from a note in discussion' do
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before do
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travel_to(1.minute.from_now) do
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award_emoji.destroy!
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end
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when the diff note position changes' do
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before do
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# This replicates a position change wherein timestamps aren't updated
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# which is why `Gitlab::Timeless.timeless` is utilized. This is the
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# same approach being used in Discussions::UpdateDiffPositionService
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# which is responsible for updating the positions of diff discussions
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# when MR updates.
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first_note.position = Gitlab::Diff::Position.new(
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old_path: first_note.position.old_path,
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new_path: first_note.position.new_path,
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old_line: first_note.position.old_line,
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new_line: first_note.position.new_line + 1,
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diff_refs: first_note.position.diff_refs
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)
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Gitlab::Timeless.timeless(first_note, &:save)
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when the HEAD diff note position changes' do
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before do
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# This replicates a DiffNotePosition change. This is the same approach
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# being used in Discussions::CaptureDiffNotePositionService which is
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# responsible for updating/creating DiffNotePosition of a diff discussions
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# in relation to HEAD diff.
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new_position = Gitlab::Diff::Position.new(
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old_path: first_note.position.old_path,
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new_path: first_note.position.new_path,
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old_line: first_note.position.old_line,
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new_line: first_note.position.new_line + 1,
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diff_refs: first_note.position.diff_refs
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)
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DiffNotePosition.create_or_update_for(
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first_note,
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diff_type: :head,
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position: new_position,
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line_code: 'bd4b7bfff3a247ccf6e3371c41ec018a55230bcc_534_521'
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)
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when author detail changes' do
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before do
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author.update!(name: "#{author.name} (Updated)")
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when author status changes' do
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before do
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Users::SetStatusService.new(author, message: "updated status").execute
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when author role changes' do
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before do
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Members::UpdateService.new(owner, access_level: Gitlab::Access::GUEST).execute(author_membership)
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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context 'when current_user role changes' do
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before do
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Members::UpdateService.new(owner, access_level: Gitlab::Access::GUEST).execute(project.member(user))
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end
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it_behaves_like 'cache miss' do
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let(:changed_notes) { [first_note, second_note] }
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end
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end
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end
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end
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end
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