Use a consistent list of HTTP verbs for validation and helpers.

lib/http_router.rb

@@ -106,41 +106,20 @@ class HttpRouter
     end
   end
 
+  # Creates helper methods for each supported HTTP verb, except GET, which is
+  # a special case that accepts both GET and HEAD requests.
+  Route::VALID_HTTP_VERBS_WITHOUT_GET.each do |request_method|
+    request_method_symbol = request_method.downcase.to_sym
+    define_method(request_method_symbol) do |path, opts = {}, &app|
+      add_with_request_method(path, request_method_symbol, opts, &app)
+    end
+  end
+
   # Adds a path that only responds to the request method +GET+.
   #
   # Returns the route object.
   def get(path, opts = {}, &app); add_with_request_method(path, [:get, :head], opts, &app); end
 
-  # Adds a path that only responds to the request method +POST+.
-  #
-  # Returns the route object.
-  def post(path, opts = {}, &app); add_with_request_method(path, :post, opts, &app); end
-
-  # Adds a path that only responds to the request method +DELETE+.
-  #
-  # Returns the route object.
-  def delete(path, opts = {}, &app); add_with_request_method(path, :delete, opts, &app); end
-
-  # Adds a path that only responds to the request method +PUT+.
-  #
-  # Returns the route object.
-  def put(path, opts = {}, &app); add_with_request_method(path, :put, opts, &app); end
-
-  # Adds a path that only responds to the request method +PATCH+.
-  #
-  # Returns the route object.
-  def patch(path, opts = {}, &app); add_with_request_method(path, :patch, opts, &app); end
-
-  # Adds a path that only responds to the request method +OPTIONS+.
-  #
-  # Returns the route object.
-  def trace(path, opts = {}, &app); add_with_request_method(path, :trace, opts, &app); end
-
-  # Adds a path that only responds to the request method +OPTIONS+.
-  #
-  # Returns the route object.
-  def connect(path, opts = {}, &app); add_with_request_method(path, :connect, opts, &app); end
-
   # Performs recoginition without actually calling the application and returns an array of all
   # matching routes or nil if no match was found.
   def recognize(env, &callback)

lib/http_router/route.rb

@@ -2,7 +2,9 @@ require 'set'
 
 class HttpRouter
   class Route
-    VALID_HTTP_VERBS = %w{GET POST PUT DELETE HEAD OPTIONS TRACE}
+    # The list of HTTP request methods supported by HttpRouter.
+    VALID_HTTP_VERBS = %w{GET POST PUT DELETE HEAD OPTIONS TRACE PATCH OPTIONS LINK UNLINK}
+    VALID_HTTP_VERBS_WITHOUT_GET = VALID_HTTP_VERBS - %w{GET}
 
     attr_reader :default_values, :router, :match_partially, :other_hosts, :paths, :request_methods, :name
     attr_accessor :match_partially, :router, :host, :user_agent, :ignore_trailing_slash,

lib/http_router/route_helper.rb

@@ -46,7 +46,9 @@ class HttpRouter
       methods = [methods] unless methods.is_a?(Array)
       methods.each do |method|
         method = method.to_s.upcase
-        raise unless Route::VALID_HTTP_VERBS.include?(method)
+        unless Route::VALID_HTTP_VERBS.include?(method)
+          raise ArgumentError, "Unsupported HTTP request method: #{method}"
+        end
         @request_methods << method
       end
     end
@@ -77,28 +79,17 @@ class HttpRouter
       self
     end
 
-    def head
-      add_request_method "HEAD"
-      self
+    # Creates helper methods for each supported HTTP verb.
+    Route::VALID_HTTP_VERBS_WITHOUT_GET.each do |request_method|
+      define_method(request_method.downcase) do
+        add_request_method(request_method)
+        self
+      end
     end
 
     def get
-      add_request_method "GET"
-      self
-    end
-
-    def post
-      add_request_method "POST"
-      self
-    end
-
-    def put
-      add_request_method "PUT"
-      self
-    end
-
-    def delete
-      add_request_method "DELETE"
+      add_request_method("GET")
+      add_request_method("HEAD")
       self
     end