1 files changed, 29 insertions, 0 deletions
diff --git a/spec/migrations/steal_merge_request_diff_commit_users_migration_spec.rb b/spec/migrations/steal_merge_request_diff_commit_users_migration_spec.rb
new file mode 100644
index 00000000000..3ad0b5a93c2
--- /dev/null
+++ b/spec/migrations/steal_merge_request_diff_commit_users_migration_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration! 'steal_merge_request_diff_commit_users_migration'
+
+RSpec.describe StealMergeRequestDiffCommitUsersMigration, :migration do
+  let(:migration) { described_class.new }
+
+  describe '#up' do
+    it 'schedules a job if there are pending jobs' do
+      Gitlab::Database::BackgroundMigrationJob.create!(
+        class_name: 'MigrateMergeRequestDiffCommitUsers',
+        arguments: [10, 20]
+      )
+
+      expect(migration)
+        .to receive(:migrate_in)
+        .with(1.hour, 'StealMigrateMergeRequestDiffCommitUsers', [10, 20])
+
+      migration.up
+    end
+
+    it 'does not schedule any jobs when all jobs have been completed' do
+      expect(migration).not_to receive(:migrate_in)
+
+      migration.up
+    end
+  end
+end