Merge branch 'master' into nested_has_many_through

Conflicts:
	activerecord/lib/active_record/associations.rb
	activerecord/test/cases/associations/cascaded_eager_loading_test.rb

1 files changed, 6 insertions, 1 deletions

diff --git a/railties/lib/rails/test_unit/testing.rake b/railties/lib/rails/test_unit/testing.rake
index 713833f884..28dc40379b 100644
--- a/railties/lib/rails/test_unit/testing.rake
+++ b/railties/lib/rails/test_unit/testing.rake
@@ -73,7 +73,8 @@ end
 
 desc 'Runs test:units, test:functionals, test:integration together (also available: test:benchmark, test:profile, test:plugins)'
 task :test do
-  errors = %w(test:units test:functionals test:integration).collect do |task|
+  tests_to_run = ENV['TEST'] ? ["test:single"] : %w(test:units test:functionals test:integration)
+  errors = tests_to_run.collect do |task|
     begin
       Rake::Task[task].invoke
       nil
@@ -123,6 +124,10 @@ namespace :test do
   end
   Rake::Task['test:uncommitted'].comment = "Test changes since last checkin (only Subversion and Git)"
 
+  Rake::TestTask.new(:single => "test:prepare") do |t|
+    t.libs << "test"
+  end
+
   TestTaskWithoutDescription.new(:units => "test:prepare") do |t|
     t.libs << "test"
     t.pattern = 'test/unit/**/*_test.rb'