1 files changed, 38 insertions, 0 deletions
diff --git a/spec/support/issuable_shared_examples.rb b/spec/support/issuable_shared_examples.rb
new file mode 100644
index 00000000000..42f3b4db23c
--- /dev/null
+++ b/spec/support/issuable_shared_examples.rb
@@ -0,0 +1,38 @@
+shared_examples 'cache counters invalidator' do
+  it 'invalidates counter cache for assignees' do
+    expect_any_instance_of(User).to receive(:invalidate_merge_request_cache_counts)
+
+    described_class.new(project, user, {}).execute(merge_request)
+  end
+end
+
+shared_examples 'system notes for milestones' do
+  def update_issuable(opts)
+    issuable = try(:issue) || try(:merge_request)
+    described_class.new(project, user, opts).execute(issuable)
+  end
+
+  context 'group milestones' do
+    let(:group) { create(:group) }
+    let(:group_milestone) { create(:milestone, group: group) }
+
+    before do
+      project.update(namespace: group)
+      create(:group_member, group: group, user: user)
+    end
+
+    it 'creates a system note' do
+      expect do
+        update_issuable(milestone: group_milestone)
+      end.to change { Note.system.count }.by(1)
+    end
+  end
+
+  context 'project milestones' do
+    it 'creates a system note' do
+      expect do
+        update_issuable(milestone: create(:milestone))
+      end.to change { Note.system.count }.by(1)
+    end
+  end
+end