1 files changed, 29 insertions, 0 deletions
diff --git a/spec/rubocop/cop/performance/active_record_subtransaction_methods_spec.rb b/spec/rubocop/cop/performance/active_record_subtransaction_methods_spec.rb
new file mode 100644
index 00000000000..df18121e2df
--- /dev/null
+++ b/spec/rubocop/cop/performance/active_record_subtransaction_methods_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require 'rspec-parameterized'
+
+require_relative '../../../../rubocop/cop/performance/active_record_subtransaction_methods'
+
+RSpec.describe RuboCop::Cop::Performance::ActiveRecordSubtransactionMethods do
+  subject(:cop) { described_class.new }
+
+  let(:message) { described_class::MSG }
+
+  shared_examples 'a method that uses a subtransaction' do |method_name|
+    it 'registers an offense' do
+      expect_offense(<<~RUBY, method_name: method_name, message: message)
+        Project.%{method_name}
+                ^{method_name} %{message}
+      RUBY
+    end
+  end
+
+  context 'when the method uses a subtransaction' do
+    where(:method) { described_class::DISALLOWED_METHODS.to_a }
+
+    with_them do
+      include_examples 'a method that uses a subtransaction', params[:method]
+    end
+  end
+end