Distinguish module defining mocha_inspect methods

Previously this Mocha::ObjectMethods module was re-opening the module
defined in `lib/mocha/object_methods.rb`. I think this was potentially
confusing and so I've moved the modules containing the mocha_inspect
method definitions to into a new Mocha::Inspect namespace to make things
clearer.

Note that I've had to amend a couple of tests in ObjectMethodsTest,
because they had previously been relying on the Mocha::ObjectMethods
being included elsewhere.

lib/mocha/inspect.rb

@@ -1,55 +1,57 @@
 require 'date'
 
 module Mocha
-  module ObjectMethods
-    def mocha_inspect
-      address = __id__ * 2
-      address += 0x100000000 if address < 0
-      inspect =~ /#</ ? "#<#{self.class}:0x#{Kernel.format('%x', address)}>" : inspect
+  module Inspect
+    module ObjectMethods
+      def mocha_inspect
+        address = __id__ * 2
+        address += 0x100000000 if address < 0
+        inspect =~ /#</ ? "#<#{self.class}:0x#{Kernel.format('%x', address)}>" : inspect
+      end
     end
-  end
 
-  module ArrayMethods
-    def mocha_inspect
-      "[#{collect(&:mocha_inspect).join(', ')}]"
+    module ArrayMethods
+      def mocha_inspect
+        "[#{collect(&:mocha_inspect).join(', ')}]"
+      end
     end
-  end
 
-  module HashMethods
-    def mocha_inspect
-      "{#{collect { |key, value| "#{key.mocha_inspect} => #{value.mocha_inspect}" }.join(', ')}}"
+    module HashMethods
+      def mocha_inspect
+        "{#{collect { |key, value| "#{key.mocha_inspect} => #{value.mocha_inspect}" }.join(', ')}}"
+      end
     end
-  end
 
-  module TimeMethods
-    def mocha_inspect
-      "#{inspect} (#{to_f} secs)"
+    module TimeMethods
+      def mocha_inspect
+        "#{inspect} (#{to_f} secs)"
+      end
     end
-  end
 
-  module DateMethods
-    def mocha_inspect
-      to_s
+    module DateMethods
+      def mocha_inspect
+        to_s
+      end
     end
   end
 end
 
 class Object
-  include Mocha::ObjectMethods
+  include Mocha::Inspect::ObjectMethods
 end
 
 class Array
-  include Mocha::ArrayMethods
+  include Mocha::Inspect::ArrayMethods
 end
 
 class Hash
-  include Mocha::HashMethods
+  include Mocha::Inspect::HashMethods
 end
 
 class Time
-  include Mocha::TimeMethods
+  include Mocha::Inspect::TimeMethods
 end
 
 class Date
-  include Mocha::DateMethods
+  include Mocha::Inspect::DateMethods
 end

test/unit/object_methods_test.rb

@@ -44,7 +44,7 @@ def test_should_reset_mocha
   end
 
   def test_should_use_stubba_instance_method_for_object
-    assert_equal Mocha::InstanceMethod, Object.new.stubba_method
+    assert_equal Mocha::InstanceMethod, @object.stubba_method
   end
 
   def test_should_stub_self_for_object
@@ -57,6 +57,7 @@ def test_nobody_expects_the_spanish_inquisition
 
   def test_should_alias_object_method
     klass = Class.new { def self.method_x; end }
+    klass.extend(Mocha::ObjectMethods)
     assert_equal klass._method(:method_x), klass.method(:method_x)
   end
 end