Merge branch 'tc-clean-pending-delete-projects' into 'master'

Post-deploy to clean `pending_delete` projects

Closes #20984

See merge request !11044

2 files changed, 111 insertions, 0 deletions

diff --git a/spec/migrations/cleanup_namespaceless_pending_delete_projects_spec.rb b/spec/migrations/cleanup_namespaceless_pending_delete_projects_spec.rb
new file mode 100644
index 00000000000..0b8af5010ba
--- /dev/null
+++ b/spec/migrations/cleanup_namespaceless_pending_delete_projects_spec.rb
@@ -0,0 +1,32 @@
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20170502101023_cleanup_namespaceless_pending_delete_projects.rb')
+
+describe CleanupNamespacelessPendingDeleteProjects do
+  before do
+    # Stub after_save callbacks that will fail when Project has no namespace
+    allow_any_instance_of(Project).to receive(:ensure_dir_exist).and_return(nil)
+    allow_any_instance_of(Project).to receive(:update_project_statistics).and_return(nil)
+  end
+
+  describe '#up' do
+    it 'only cleans up pending delete projects' do
+      create(:empty_project)
+      create(:empty_project, pending_delete: true)
+      project = build(:empty_project, pending_delete: true, namespace_id: nil)
+      project.save(validate: false)
+
+      expect(NamespacelessProjectDestroyWorker).to receive(:bulk_perform_async).with([[project.id.to_s]])
+
+      described_class.new.up
+    end
+
+    it 'does nothing when no pending delete projects without namespace found' do
+      create(:empty_project)
+      create(:empty_project, pending_delete: true)
+
+      expect(NamespacelessProjectDestroyWorker).not_to receive(:bulk_perform_async)
+
+      described_class.new.up
+    end
+  end
+end
diff --git a/spec/workers/namespaceless_project_destroy_worker_spec.rb b/spec/workers/namespaceless_project_destroy_worker_spec.rb
new file mode 100644
index 00000000000..8533b7b85e9
--- /dev/null
+++ b/spec/workers/namespaceless_project_destroy_worker_spec.rb
@@ -0,0 +1,79 @@
+require 'spec_helper'
+
+describe NamespacelessProjectDestroyWorker do
+  subject { described_class.new }
+
+  before do
+    # Stub after_save callbacks that will fail when Project has no namespace
+    allow_any_instance_of(Project).to receive(:ensure_dir_exist).and_return(nil)
+    allow_any_instance_of(Project).to receive(:update_project_statistics).and_return(nil)
+  end
+
+  describe '#perform' do
+    context 'project has namespace' do
+      it 'does not do anything' do
+        project = create(:empty_project)
+
+        subject.perform(project.id)
+
+        expect(Project.unscoped.all).to include(project)
+      end
+    end
+
+    context 'project has no namespace' do
+      let!(:project) do
+        project = build(:empty_project, namespace_id: nil)
+        project.save(validate: false)
+        project
+      end
+
+      context 'project not a fork of another project' do
+        it "truncates the project's team" do
+          expect_any_instance_of(ProjectTeam).to receive(:truncate)
+
+          subject.perform(project.id)
+        end
+
+        it 'deletes the project' do
+          subject.perform(project.id)
+
+          expect(Project.unscoped.all).not_to include(project)
+        end
+
+        it 'does not call unlink_fork' do
+          is_expected.not_to receive(:unlink_fork)
+
+          subject.perform(project.id)
+        end
+
+        it 'does not do anything in Project#remove_pages method' do
+          expect(Gitlab::PagesTransfer).not_to receive(:new)
+
+          subject.perform(project.id)
+        end
+      end
+
+      context 'project forked from another' do
+        let!(:parent_project) { create(:empty_project) }
+
+        before do
+          create(:forked_project_link, forked_to_project: project, forked_from_project: parent_project)
+        end
+
+        it 'closes open merge requests' do
+          merge_request = create(:merge_request, source_project: project, target_project: parent_project)
+
+          subject.perform(project.id)
+
+          expect(merge_request.reload).to be_closed
+        end
+
+        it 'destroys the link' do
+          subject.perform(project.id)
+
+          expect(parent_project.forked_project_links).to be_empty
+        end
+      end
+    end
+  end
+end