1 files changed, 33 insertions, 0 deletions
diff --git a/spec/migrations/schedule_update_timelogs_project_id_spec.rb b/spec/migrations/schedule_update_timelogs_project_id_spec.rb
new file mode 100644
index 00000000000..e2972d2fd08
--- /dev/null
+++ b/spec/migrations/schedule_update_timelogs_project_id_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20210427212034_schedule_update_timelogs_project_id.rb')
+
+RSpec.describe ScheduleUpdateTimelogsProjectId do
+  let!(:namespace) { table(:namespaces).create!(name: 'namespace', path: 'namespace') }
+  let!(:project) { table(:projects).create!(namespace_id: namespace.id) }
+  let!(:issue) { table(:issues).create!(project_id: project.id) }
+  let!(:merge_request) { table(:merge_requests).create!(target_project_id: project.id, source_branch: 'master', target_branch: 'feature') }
+  let!(:timelog1) { table(:timelogs).create!(issue_id: issue.id, time_spent: 60) }
+  let!(:timelog2) { table(:timelogs).create!(merge_request_id: merge_request.id, time_spent: 600) }
+  let!(:timelog3) { table(:timelogs).create!(merge_request_id: merge_request.id, time_spent: 60) }
+  let!(:timelog4) { table(:timelogs).create!(issue_id: issue.id, time_spent: 600) }
+
+  it 'correctly schedules background migrations' do
+    stub_const("#{described_class}::BATCH_SIZE", 2)
+
+    Sidekiq::Testing.fake! do
+      freeze_time do
+        migrate!
+
+        expect(described_class::MIGRATION)
+          .to be_scheduled_delayed_migration(2.minutes, timelog1.id, timelog2.id)
+
+        expect(described_class::MIGRATION)
+          .to be_scheduled_delayed_migration(4.minutes, timelog3.id, timelog4.id)
+
+        expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+      end
+    end
+  end
+end