check if @rake_patterns is defined

This removes the following warning. ``` railties/lib/rails/test_unit/minitest_plugin.rb:45: warning: instance variable @rake_patterns not initialize ```
rails · Sep 28, 2015 · cc7867d · cc7867d
1 parent 587e285
commit cc7867d
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/railties/lib/rails/test_unit/minitest_plugin.rb b/railties/lib/rails/test_unit/minitest_plugin.rb
@@ -42,7 +42,8 @@ def self.plugin_rails_init(options)
     ENV["RAILS_ENV"] = options[:environment] || "test"
 
     unless run_with_autorun
-      ::Rails::TestRequirer.require_files @rake_patterns || options[:patterns]
+      patterns = defined?(@rake_patterns) ? @rake_patterns : options[:patterns]
+      ::Rails::TestRequirer.require_files(patterns)
     end
 
     unless options[:full_backtrace] || ENV["BACKTRACE"]