Update uses_mocha in ActionMailer and ActiveResource

actionmailer/test/abstract_unit.rb

@@ -30,12 +30,20 @@ def self.start(*args)
   end
 end
 
-# Wrap tests that use Mocha and skip if unavailable.
-def uses_mocha(test_name)
-  gem 'mocha', ">=0.9.0"
+def uses_gem(gem_name, test_name, version = '> 0')
+  require 'rubygems'
+  gem gem_name.to_s, version
+  require gem_name.to_s
   yield
-rescue Gem::LoadError
-  $stderr.puts "Skipping #{test_name} tests (Mocha >= 0.5 is required). `gem install mocha` and try again."
+rescue LoadError
+  $stderr.puts "Skipping #{test_name} tests. `gem install #{gem_name}` and try again."
+end
+
+# Wrap tests that use Mocha and skip if unavailable.
+unless defined? uses_mocha
+  def uses_mocha(test_name, &block)
+    uses_gem('mocha', test_name, '>= 0.5.5', &block)
+  end
 end
 
 def set_delivery_method(delivery_method)

activeresource/test/abstract_unit.rb

@@ -9,14 +9,18 @@
 
 ActiveResource::Base.logger = Logger.new("#{File.dirname(__FILE__)}/debug.log")
 
+def uses_gem(gem_name, test_name, version = '> 0')
+  require 'rubygems'
+  gem gem_name.to_s, version
+  require gem_name.to_s
+  yield
+rescue LoadError
+  $stderr.puts "Skipping #{test_name} tests. `gem install #{gem_name}` and try again."
+end
+
 # Wrap tests that use Mocha and skip if unavailable.
-def uses_mocha(test_name)
-  unless Object.const_defined?(:Mocha)
-    require 'mocha'
-    require 'stubba'
+unless defined? uses_mocha
+  def uses_mocha(test_name, &block)
+    uses_gem('mocha', test_name, '>= 0.5.5', &block)
   end
-  yield
-rescue LoadError => load_error
-  raise unless load_error.message =~ /mocha/i
-  $stderr.puts "Skipping #{test_name} tests. `gem install mocha` and try again."
-end
+end