1 files changed, 10 insertions, 0 deletions
diff --git a/railties/test/abstract_unit.rb b/railties/test/abstract_unit.rb
index 68ddb0c24f..7b773531c6 100644
--- a/railties/test/abstract_unit.rb
+++ b/railties/test/abstract_unit.rb
@@ -15,3 +15,13 @@ end
 class Test::Unit::TestCase
   # Add stuff here if you need it
 end
+
+# Wrap tests that use Mocha and skip if unavailable.
+def uses_mocha(test_name)
+  require 'rubygems'
+  gem 'mocha', '>= 0.5.5'
+  require 'mocha'
+  yield
+rescue LoadError
+  $stderr.puts "Skipping #{test_name} tests. `gem install mocha` and try again."
+end