Patch database_cleaner to actually, you know, work.

features/support/database_cleaner_patches.rb

@@ -0,0 +1,16 @@
+#   Copyright (c) 2010, Diaspora Inc.  This file is
+#   licensed under the Affero General Public License version 3 or later.  See
+#   the COPYRIGHT file.
+
+DatabaseCleaner::ActiveRecord::Truncation.class_eval do
+  # You could argue that this technically isn't truncation. You'd be right.
+  # But something in the MySQL adapter segfaults (!) on actual truncation, and we
+  # don't have that much data in our tests, so a DELETE is not appreciably slower.
+  def clean
+    connection.disable_referential_integrity do
+      tables_to_truncate.each do |table_name|
+        connection.execute("DELETE FROM #{table_name};")
+      end
+    end
+  end
+end

features/support/env.rb

@@ -35,18 +35,17 @@ ActionController::Base.allow_rescue = false
 
 require 'database_cleaner'
 require 'database_cleaner/cucumber'
-DatabaseCleaner.strategy = :transaction
+DatabaseCleaner.strategy = :truncation
 DatabaseCleaner.orm = "active_record"
-Cucumber::Rails::World.use_transactional_fixtures = true
+Cucumber::Rails::World.use_transactional_fixtures = false
+
+require File.join(File.dirname(__FILE__), "database_cleaner_patches")
 
 require File.join(File.dirname(__FILE__), "..", "..", "spec", "helper_methods")
 include HelperMethods
 
-DatabaseCleaner.start
-
 Before do
   DatabaseCleaner.clean
-  DatabaseCleaner.start
 end
 
 module Resque