1 files changed, 21 insertions, 0 deletions
diff --git a/spec/migrations/20211101222614_consume_remaining_user_namespace_jobs_spec.rb b/spec/migrations/20211101222614_consume_remaining_user_namespace_jobs_spec.rb
new file mode 100644
index 00000000000..d78ecc26ebf
--- /dev/null
+++ b/spec/migrations/20211101222614_consume_remaining_user_namespace_jobs_spec.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe ConsumeRemainingUserNamespaceJobs do
+  let(:namespaces) { table(:namespaces) }
+  let!(:namespace) { namespaces.create!(name: 'gitlab', path: 'gitlab-org', type: nil) }
+
+  context 'when Namespaces with nil `type` still exist' do
+    it 'steals sidekiq jobs from BackfillUserNamespace background migration' do
+      expect(Gitlab::BackgroundMigration).to receive(:steal).with('BackfillUserNamespace')
+
+      migrate!
+    end
+
+    it 'migrates namespaces without type' do
+      expect { migrate! }.to change { namespaces.where(type: 'User').count }.from(0).to(1)
+    end
+  end
+end