1 files changed, 38 insertions, 0 deletions
diff --git a/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb b/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb
new file mode 100644
index 00000000000..532035849cb
--- /dev/null
+++ b/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require Rails.root.join('db', 'post_migrate', '20210224150506_reschedule_artifact_expiry_backfill.rb')
+
+RSpec.describe RescheduleArtifactExpiryBackfill, :migration do
+  let(:migration_class) { Gitlab::BackgroundMigration::BackfillArtifactExpiryDate }
+  let(:migration_name)  { migration_class.to_s.demodulize }
+
+  before do
+    table(:namespaces).create!(id: 123, name: 'test_namespace', path: 'test_namespace')
+    table(:projects).create!(id: 123, name: 'sample_project', path: 'sample_project', namespace_id: 123)
+  end
+
+  it 'correctly schedules background migrations' do
+    first_artifact = create_artifact(job_id: 0, expire_at: nil, created_at: Date.new(2020, 06, 21))
+    second_artifact = create_artifact(job_id: 1, expire_at: nil, created_at: Date.new(2020, 06, 21))
+    create_artifact(job_id: 2, expire_at: Date.yesterday, created_at: Date.new(2020, 06, 21))
+    create_artifact(job_id: 3, expire_at: nil, created_at: Date.new(2020, 06, 23))
+
+    Sidekiq::Testing.fake! do
+      freeze_time do
+        migrate!
+
+        expect(BackgroundMigrationWorker.jobs.size).to eq(1)
+        expect(migration_name).to be_scheduled_migration_with_multiple_args(first_artifact.id, second_artifact.id)
+      end
+    end
+  end
+
+  private
+
+  def create_artifact(params)
+    table(:ci_builds).create!(id: params[:job_id], project_id: 123)
+    table(:ci_job_artifacts).create!(project_id: 123, file_type: 1, **params)
+  end
+end