Restore derivation.

Author: ioquatix

lib/protocol/http/middleware.rb

@@ -10,7 +10,7 @@
 
 module Protocol
 	module HTTP
-		class Middleware
+		class Middleware < Methods
 			# Convert a block to a middleware delegate.
 			def self.for(&block)
 				def block.close

test/protocol/http/methods.rb

@@ -31,13 +31,11 @@
 	it_behaves_like ValidMethod, "DELETE"
 	it_behaves_like ValidMethod, "HEAD"
 	it_behaves_like ValidMethod, "OPTIONS"
-	it_behaves_like ValidMethod, "LINK"
-	it_behaves_like ValidMethod, "UNLINK"
 	it_behaves_like ValidMethod, "TRACE"
 	it_behaves_like ValidMethod, "CONNECT"
 
-	it "defines exactly 11 methods" do
-		expect(subject.constants.length).to be == 11
+	it "defines exactly 9 methods" do
+		expect(subject.constants.length).to be == 9
 	end
 
 	with '.valid?' do