Add pipeline lists to GraphQL

This adds Keyset pagination to GraphQL lists. PoC for that is
pipelines on merge requests and projects.

When paginating a list, the base-64 encoded id of the ordering
field (in most cases the primary key) can be passed in the `before` or
`after` GraphQL argument.

1 files changed, 19 insertions, 1 deletions

diff --git a/spec/controllers/projects/pipelines_controller_spec.rb b/spec/controllers/projects/pipelines_controller_spec.rb
index 9618a8417ec..1cc7f33b57a 100644
--- a/spec/controllers/projects/pipelines_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_controller_spec.rb
@@ -4,7 +4,7 @@ describe Projects::PipelinesController do
   include ApiHelpers
 
   set(:user) { create(:user) }
-  set(:project) { create(:project, :public, :repository) }
+  let(:project) { create(:project, :public, :repository) }
   let(:feature) { ProjectFeature::DISABLED }
 
   before do
@@ -91,6 +91,24 @@ describe Projects::PipelinesController do
       end
     end
 
+    context 'when the project is private' do
+      let(:project) { create(:project, :private, :repository) }
+
+      it 'returns `not_found` when the user does not have access' do
+        sign_in(create(:user))
+
+        get_pipelines_index_json
+
+        expect(response).to have_gitlab_http_status(:not_found)
+      end
+
+      it 'returns the pipelines when the user has access' do
+        get_pipelines_index_json
+
+        expect(json_response['pipelines'].size).to eq(5)
+      end
+    end
+
     def get_pipelines_index_json
       get :index, namespace_id: project.namespace,
                   project_id: project,