Switch rake's tests to minitest

Rakefile

@@ -63,7 +63,8 @@ task :default => :test
 # Test Tasks ---------------------------------------------------------
 
 Rake::TestTask.new do |t|
-  t.test_files = FileList['test/test_*.rb']
+  files = FileList['test/helper.rb', 'test/test_*.rb']
+  t.test_files = files
   t.libs << "."
   t.warning = true
 end
@@ -179,6 +180,7 @@ else
     #### Dependencies and requirements.
 
     s.required_rubygems_version = '>= 1.3.2'
+    s.add_development_dependency 'minitest', '~> 2.1'
     s.add_development_dependency 'session', '~> 2.4'
     s.add_development_dependency 'flexmock', '~> 0.8.11'
 

test/helper.rb

@@ -1,23 +1,30 @@
 require 'rubygems'
-require 'test/unit'
-require 'flexmock/test_unit'
-
-require 'test/capture_stdout'
-require 'test/file_creation'
-
+require 'minitest/unit'
+require 'flexmock/test_unit_integration'
+require 'minitest/autorun'
 require 'rake'
 
-class Rake::TestCase < Test::Unit::TestCase
+class Rake::TestCase < MiniTest::Unit::TestCase
+  include FlexMock::ArgumentTypes
+  include FlexMock::MockContainer
+
   include Rake::DSL
 
+  def teardown
+    flexmock_teardown
+    super
+  end
+
   def ignore_deprecations
     Rake.application.options.ignore_deprecate = true
     yield
   ensure
     Rake.application.options.ignore_deprecate = false
   end
 
-  def assert_exception(ex, msg="", &block)
-    assert_raise(ex, msg, &block)
-  end
 end
+
+# workarounds for 1.8
+$" << 'test/helper.rb'
+Test::Unit.run = true if Test::Unit.respond_to? :run=
+