Built out DELETE support

lib/riot/action_controller/http_methods.rb

@@ -7,8 +7,7 @@ def http_reset; @env = {}; end
       def get(uri, params={}) perform_request("GET", uri, params); end
       def post(uri, params={}) perform_request("POST", uri, params); end
       def put(uri, params={}); perform_request("PUT", uri, params); end
-
-      def delete(uri, params={}); raise Exception, "DELETE isn't ready yet"; end
+      def delete(uri, params={}); perform_request("DELETE", uri, params); end
     private
       def perform_request(request_method, uri, params)
         http_reset

test/action_controller/delete_request_test.rb

@@ -0,0 +1,45 @@
+require 'teststrap'
+
+context RoomsController do
+
+  asserts("DELETEs unknown action for existing controller") do
+    delete "/rooms/blah"
+  end.raises(AbstractController::ActionNotFound, "The action 'blah' could not be found")
+
+  context "for a DELETE request" do
+    helper(:action_name) { env['action_dispatch.request.path_parameters'][:action] }
+
+    context "without parameters" do
+      setup { delete "/rooms/destroy" }
+
+      asserts("request method") { request.request_method }.equals(:delete)
+      asserts("action name") { action_name }.equals("destroy")
+      asserts("response status") { response.status }.equals(200)
+      asserts("response body") { response.body }.equals { "destroyed #{controller.params.inspect}" }
+
+      context "response headers" do
+        setup { response.headers.keys }
+        asserts_topic.includes("Content-Type")
+        asserts_topic.includes("ETag")
+        asserts_topic.includes("Cache-Control")
+      end # response headers
+    end # without parameters
+
+    context "with parameters" do
+      setup { delete "/rooms/destroy", {:momma => "loves you", "love_you_too" => "mom"} }
+
+      asserts("request method") { request.request_method }.equals(:delete)
+      asserts("action name") { action_name }.equals("destroy")
+      asserts("response status") { response.status }.equals(200)
+
+      asserts("response body") { response.body }.equals do
+        "destroyed #{controller.params.inspect}"
+      end
+
+      asserts("params") { controller.params }.includes("momma")
+      asserts("params") { controller.params }.includes("love_you_too")
+    end # with parameters
+
+  end # for a DELETE request
+
+end # RoomsController

test/action_controller/restful_delete_request_test.rb

@@ -0,0 +1,28 @@
+require 'teststrap'
+
+context "RESTful DELETE request on resource" do
+
+  context GremlinsController do
+    setup { delete("/gremlins/2") }
+
+    asserts("request method") { request.request_method }.equals(:delete)
+    asserts("controller name") { controller.controller_name }.equals("gremlins")
+    asserts("action name") { controller.action_name }.equals("destroy")
+    asserts("id param") { controller.params["id"] }.equals("2")
+    asserts("response body") { response.body }.equals("spendin' money")
+  end # on a top level resource
+
+  context PartiesController do
+    setup { delete("/gremlins/2/parties/3", "foo" => "bar") }
+
+    asserts("request method") { request.request_method }.equals(:delete)
+    asserts("controller name") { controller.controller_name }.equals("parties")
+    asserts("action name") { controller.action_name }.equals("destroy")
+
+    asserts("gremlin_id param") { controller.params["gremlin_id"] }.equals("2")
+    asserts("id param") { controller.params["id"] }.equals("3")
+    asserts("foo param") { controller.params["foo"] }.equals("bar")
+
+    asserts("response body") { response.body }.equals("all gone")
+  end # on a nested resource
+end # RESTful DELETE request

test/rails_root/app/controllers/gremlins_controller.rb

@@ -14,4 +14,8 @@ def create
   def update
     render :text => "savin' money"
   end
+
+  def destroy
+    render :text => "spendin' money"
+  end
 end

test/rails_root/app/controllers/parties_controller.rb

@@ -10,4 +10,8 @@ def create
   def update
     render :text => "i'll put that over here"
   end
+
+  def destroy
+    render :text => "all gone"
+  end
 end

test/rails_root/app/controllers/rooms_controller.rb

@@ -11,6 +11,10 @@ def update
     render :text => "updated #{params.inspect}"
   end
 
+  def destroy
+    render :text => "destroyed #{params.inspect}"
+  end
+
   def echo_params
     serialized_params = (params.keys - ["action"]).sort.map {|k| "#{k}=#{params[k]}" }.join(",")
     render :text => serialized_params