1 files changed, 43 insertions, 0 deletions
diff --git a/spec/migrations/20220309084954_remove_leftover_external_pull_request_deletions_spec.rb b/spec/migrations/20220309084954_remove_leftover_external_pull_request_deletions_spec.rb
new file mode 100644
index 00000000000..8df9907643e
--- /dev/null
+++ b/spec/migrations/20220309084954_remove_leftover_external_pull_request_deletions_spec.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+require 'spec_helper'
+
+require_migration!
+
+RSpec.describe RemoveLeftoverExternalPullRequestDeletions, feature_category: :cell do
+  let(:deleted_records) { table(:loose_foreign_keys_deleted_records) }
+
+  let(:pending_record1) { deleted_records.create!(id: 1, fully_qualified_table_name: 'public.external_pull_requests', primary_key_value: 1, status: 1) }
+  let(:pending_record2) { deleted_records.create!(id: 2, fully_qualified_table_name: 'public.external_pull_requests', primary_key_value: 2, status: 1) }
+  let(:other_pending_record1) { deleted_records.create!(id: 3, fully_qualified_table_name: 'public.projects', primary_key_value: 1, status: 1) }
+  let(:other_pending_record2) { deleted_records.create!(id: 4, fully_qualified_table_name: 'public.ci_builds', primary_key_value: 1, status: 1) }
+  let(:processed_record1) { deleted_records.create!(id: 5, fully_qualified_table_name: 'public.external_pull_requests', primary_key_value: 3, status: 2) }
+  let(:other_processed_record1) { deleted_records.create!(id: 6, fully_qualified_table_name: 'public.ci_builds', primary_key_value: 2, status: 2) }
+
+  let!(:persisted_ids_before) do
+    [
+      pending_record1,
+      pending_record2,
+      other_pending_record1,
+      other_pending_record2,
+      processed_record1,
+      other_processed_record1
+    ].map(&:id).sort
+  end
+
+  let!(:persisted_ids_after) do
+    [
+      other_pending_record1,
+      other_pending_record2,
+      processed_record1,
+      other_processed_record1
+    ].map(&:id).sort
+  end
+
+  def all_ids
+    deleted_records.all.map(&:id).sort
+  end
+
+  it 'deletes pending external_pull_requests records' do
+    expect { migrate! }.to change { all_ids }.from(persisted_ids_before).to(persisted_ids_after)
+  end
+end