1 files changed, 82 insertions, 0 deletions
diff --git a/spec/support/shared_examples/requests/api/resource_state_events_api_shared_examples.rb b/spec/support/shared_examples/requests/api/resource_state_events_api_shared_examples.rb
new file mode 100644
index 00000000000..c1850a0d0c9
--- /dev/null
+++ b/spec/support/shared_examples/requests/api/resource_state_events_api_shared_examples.rb
@@ -0,0 +1,82 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'resource_state_events API' do |parent_type, eventable_type, id_name|
+  let(:base_path) { "/#{parent_type}/#{parent.id}/#{eventable_type}/#{eventable[id_name]}" }
+
+  describe "GET /#{parent_type}/:id/#{eventable_type}/:noteable_id/resource_state_events" do
+    let!(:event) { create_event }
+
+    it "returns an array of resource state events" do
+      url = "#{base_path}/resource_state_events"
+      get api(url, user)
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(response).to include_pagination_headers
+      expect(json_response).to be_an Array
+      expect(json_response.first['id']).to eq(event.id)
+      expect(json_response.first['state']).to eq(event.state.to_s)
+    end
+
+    it "returns a 404 error when eventable id not found" do
+      get api("/#{parent_type}/#{parent.id}/#{eventable_type}/#{non_existing_record_id}/resource_state_events", user)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it "returns 404 when not authorized" do
+      parent.update!(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
+      private_user = create(:user)
+
+      get api("#{base_path}/resource_state_events", private_user)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+  end
+
+  describe "GET /#{parent_type}/:id/#{eventable_type}/:noteable_id/resource_state_events/:event_id" do
+    let!(:event) { create_event }
+
+    it "returns a resource state event by id" do
+      get api("#{base_path}/resource_state_events/#{event.id}", user)
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(json_response['id']).to eq(event.id)
+      expect(json_response['state']).to eq(event.state.to_s)
+    end
+
+    it "returns 404 when not authorized" do
+      parent.update!(visibility_level: Gitlab::VisibilityLevel::PRIVATE)
+      private_user = create(:user)
+
+      get api("#{base_path}/resource_state_events/#{event.id}", private_user)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+
+    it "returns a 404 error if resource state event not found" do
+      get api("#{base_path}/resource_state_events/#{non_existing_record_id}", user)
+
+      expect(response).to have_gitlab_http_status(:not_found)
+    end
+  end
+
+  describe 'pagination' do
+    # https://gitlab.com/gitlab-org/gitlab/-/issues/220192
+    it 'returns the second page' do
+      create_event
+      event2 = create_event
+
+      get api("#{base_path}/resource_state_events?page=2&per_page=1", user)
+
+      expect(response).to have_gitlab_http_status(:ok)
+      expect(response).to include_pagination_headers
+      expect(response.headers['X-Total']).to eq '2'
+      expect(json_response.count).to eq(1)
+      expect(json_response.first['id']).to eq(event2.id)
+    end
+  end
+
+  def create_event(state: :opened)
+    create(:resource_state_event, eventable.class.name.underscore => eventable, state: state)
+  end
+end