Merge pull request #15513 from zenspider/remove_flush_output_buffer

Removed CaptureHelper#flush_output_buffer as it is only used in tests.

actionview/lib/action_view/helpers/capture_helper.rb

@@ -202,15 +202,6 @@ def with_output_buffer(buf = nil) #:nodoc:
       ensure
         self.output_buffer = old_buffer
       end
-
-      # Add the output buffer to the response body and start a new one.
-      def flush_output_buffer #:nodoc:
-        if output_buffer && !output_buffer.empty?
-          response.stream.write output_buffer
-          self.output_buffer = output_buffer.respond_to?(:clone_empty) ? output_buffer.clone_empty : output_buffer[0, 0]
-          nil
-        end
-      end
     end
   end
 end

actionview/test/template/capture_helper_test.rb

@@ -207,29 +207,6 @@ def test_with_output_buffer_does_not_assume_there_is_an_output_buffer
     assert_equal "", @av.with_output_buffer {}
   end
 
-  def test_flush_output_buffer_concats_output_buffer_to_response
-    view = view_with_controller
-    assert_equal [], view.response.body_parts
-
-    view.output_buffer << 'OMG'
-    view.flush_output_buffer
-    assert_equal ['OMG'], view.response.body_parts
-    assert_equal '', view.output_buffer
-
-    view.output_buffer << 'foobar'
-    view.flush_output_buffer
-    assert_equal ['OMG', 'foobar'], view.response.body_parts
-    assert_equal '', view.output_buffer
-  end
-
-  def test_flush_output_buffer_preserves_the_encoding_of_the_output_buffer
-    view = view_with_controller
-    alt_encoding = alt_encoding(view.output_buffer)
-    view.output_buffer.force_encoding(alt_encoding)
-    flush_output_buffer
-    assert_equal alt_encoding, view.output_buffer.encoding
-  end
-
   def alt_encoding(output_buffer)
     output_buffer.encoding == Encoding::US_ASCII ? Encoding::UTF_8 : Encoding::US_ASCII
   end