1 files changed, 58 insertions, 0 deletions
diff --git a/spec/rubocop/cop/migration/prevent_global_enable_lock_retries_with_disable_ddl_transaction_spec.rb b/spec/rubocop/cop/migration/prevent_global_enable_lock_retries_with_disable_ddl_transaction_spec.rb
new file mode 100644
index 00000000000..aa63259288d
--- /dev/null
+++ b/spec/rubocop/cop/migration/prevent_global_enable_lock_retries_with_disable_ddl_transaction_spec.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require_relative '../../../../rubocop/cop/migration/prevent_global_enable_lock_retries_with_disable_ddl_transaction'
+
+RSpec.describe RuboCop::Cop::Migration::PreventGlobalEnableLockRetriesWithDisableDdlTransaction do
+  subject(:cop) { described_class.new }
+
+  context 'when in migration' do
+    before do
+      allow(cop).to receive(:in_migration?).and_return(true)
+    end
+
+    it 'registers an offense when `enable_lock_retries` and `disable_ddl_transaction` is used together' do
+      code = <<~RUBY
+      class SomeMigration < ActiveRecord::Migration[6.0]
+        enable_lock_retries!
+        disable_ddl_transaction!
+      end
+      RUBY
+
+      expect_offense(<<~RUBY, node: code, msg: described_class::MSG)
+        class SomeMigration < ActiveRecord::Migration[6.0]
+          enable_lock_retries!
+          disable_ddl_transaction!
+          ^^^^^^^^^^^^^^^^^^^^^^^^ %{msg}
+        end
+      RUBY
+    end
+
+    it 'registers no offense when `enable_lock_retries!` is used' do
+      expect_no_offenses(<<~RUBY)
+        class SomeMigration < ActiveRecord::Migration[6.0]
+          enable_lock_retries!
+        end
+      RUBY
+    end
+
+    it 'registers no offense when `disable_ddl_transaction!` is used' do
+      expect_no_offenses(<<~RUBY)
+        class SomeMigration < ActiveRecord::Migration[6.0]
+          disable_ddl_transaction!
+        end
+      RUBY
+    end
+  end
+
+  context 'when outside of migration' do
+    it 'registers no offense' do
+      expect_no_offenses(<<~RUBY)
+        class SomeMigration
+          enable_lock_retries!
+          disable_ddl_transaction!
+        end
+      RUBY
+    end
+  end
+end