1 files changed, 72 insertions, 0 deletions
diff --git a/spec/requests/api/graphql/subscriptions/notes/deleted_spec.rb b/spec/requests/api/graphql/subscriptions/notes/deleted_spec.rb
new file mode 100644
index 00000000000..d98f1cfe77e
--- /dev/null
+++ b/spec/requests/api/graphql/subscriptions/notes/deleted_spec.rb
@@ -0,0 +1,72 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe 'Subscriptions::Notes::Deleted', feature_category: :team_planning do
+  include GraphqlHelpers
+  include Graphql::Subscriptions::Notes::Helper
+
+  let_it_be(:guest) { create(:user) }
+  let_it_be(:reporter) { create(:user) }
+  let_it_be(:project) { create(:project) }
+  let_it_be(:task) { create(:work_item, :task, project: project) }
+  let_it_be(:note, refind: true) { create(:note, noteable: task, project: project, type: 'DiscussionNote') }
+  let_it_be(:reply_note, refind: true) do
+    create(:note, noteable: task, project: project, in_reply_to: note, discussion_id: note.discussion_id)
+  end
+
+  let(:current_user) { nil }
+  let(:subscribe) { notes_subscription('workItemNoteDeleted', task, current_user) }
+  let(:deleted_note) { graphql_dig_at(graphql_data(response[:result]), :workItemNoteDeleted) }
+
+  before do
+    stub_const('GitlabSchema', Graphql::Subscriptions::ActionCable::MockGitlabSchema)
+    Graphql::Subscriptions::ActionCable::MockActionCable.clear_mocks
+    project.add_guest(guest)
+    project.add_reporter(reporter)
+  end
+
+  subject(:response) do
+    subscription_response do
+      note.destroy!
+    end
+  end
+
+  context 'when user is unauthorized' do
+    it 'does not receive any data' do
+      expect(response).to be_nil
+    end
+  end
+
+  context 'when user is authorized' do
+    let(:current_user) { guest }
+
+    it 'receives note id that is removed' do
+      expect(deleted_note['id']).to eq(note.to_gid.to_s)
+      expect(deleted_note['discussionId']).to eq(note.discussion.to_gid.to_s)
+      expect(deleted_note['lastDiscussionNote']).to be false
+    end
+
+    context 'when last discussion note is deleted' do
+      let_it_be(:note, refind: true) { create(:note, noteable: task, project: project, type: 'DiscussionNote') }
+
+      it 'receives note id that is removed' do
+        expect(deleted_note['id']).to eq(note.to_gid.to_s)
+        expect(deleted_note['discussionId']).to eq(note.discussion.to_gid.to_s)
+        expect(deleted_note['lastDiscussionNote']).to be true
+      end
+    end
+
+    context 'when note is confidential' do
+      let_it_be(:note, refind: true) do
+        create(:note, :confidential, noteable: task, project: project, type: 'DiscussionNote')
+      end
+
+      it 'receives note id that is removed' do
+        expect(deleted_note['id']).to eq(note.to_gid.to_s)
+        expect(deleted_note['discussionId']).to eq(note.discussion.to_gid.to_s)
+        expect(deleted_note['lastDiscussionNote']).to be true
+      end
+    end
+  end
+end