Change Object#try to raise NoMethodError on private methods and always return...

Change Object#try to raise NoMethodError on private methods and always return nil when Object is nil [Pratik Naik, Lawrence Pit]

actionpack/lib/action_controller/test_process.rb

@@ -484,7 +484,8 @@ def method_missing(selector, *args, &block)
     #
     #   post :change_avatar, :avatar => fixture_file_upload('/files/spongebob.png', 'image/png', :binary)
     def fixture_file_upload(path, mime_type = nil, binary = false)
-      ActionController::TestUploadedFile.new("#{ActionController::TestCase.try(:fixture_path)}#{path}", mime_type, binary)
+      fixture_path = ActionController::TestCase.send(:fixture_path) if ActionController::TestCase.respond_to?(:fixture_path)
+      ActionController::TestUploadedFile.new("#{fixture_path}#{path}", mime_type, binary)
     end
 
     # A helper to make it easier to test different route configurations.

activesupport/lib/active_support/core_ext/object/misc.rb

@@ -102,6 +102,6 @@ def acts_like?(duck)
   # Person.try(:find, 1)
   # @people.try(:map) {|p| p.name}
   def try(method, *args, &block)
-    send(method, *args, &block) if respond_to?(method, true)
+    send(method, *args, &block) unless self.nil?
   end
 end

activesupport/test/core_ext/object_and_class_ext_test.rb

@@ -256,21 +256,13 @@ def setup
   def test_nonexisting_method
     method = :undefined_method
     assert !@string.respond_to?(method)
-    assert_nil @string.try(method)
+    assert_raises(NoMethodError) { @string.try(method) }
   end
   
   def test_valid_method
     assert_equal 5, @string.try(:size)
   end
 
-  def test_valid_private_method
-    class << @string
-      private :size
-    end
-
-    assert_equal 5, @string.try(:size)
-  end
-
   def test_argument_forwarding
     assert_equal 'Hey', @string.try(:sub, 'llo', 'y')
   end
@@ -278,4 +270,13 @@ def test_argument_forwarding
   def test_block_forwarding
     assert_equal 'Hey', @string.try(:sub, 'llo') { |match| 'y' }
   end
+
+  def test_nil_to_type
+    assert_nil nil.try(:to_s)
+    assert_nil nil.try(:to_i)
+  end
+
+  def test_false_try
+    assert_equal 'false', false.try(:to_s)
+  end
 end