1 files changed, 39 insertions, 0 deletions
diff --git a/spec/support/shared_examples/users/migrate_records_to_ghost_user_service_shared_examples.rb b/spec/support/shared_examples/users/migrate_records_to_ghost_user_service_shared_examples.rb
new file mode 100644
index 00000000000..eb03f0888b9
--- /dev/null
+++ b/spec/support/shared_examples/users/migrate_records_to_ghost_user_service_shared_examples.rb
@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'migrating records to the ghost user' do |record_class, fields|
+  record_class_name = record_class.to_s.titleize.downcase
+
+  let(:project) do
+    case record_class
+    when MergeRequest
+      create(:project, :repository)
+    else
+      create(:project)
+    end
+  end
+
+  before do
+    project.add_developer(user)
+  end
+
+  context "for a #{record_class_name} the user has created" do
+    let!(:record) { created_record }
+    let(:migrated_fields) { fields || [:author] }
+
+    it "does not delete the #{record_class_name}" do
+      service.execute
+
+      expect(record_class.find_by_id(record.id)).to be_present
+    end
+
+    it 'migrates all associated fields to the "Ghost user"' do
+      service.execute
+
+      migrated_record = record_class.find_by_id(record.id)
+
+      migrated_fields.each do |field|
+        expect(migrated_record.public_send(field)).to eq(User.ghost)
+      end
+    end
+  end
+end