make request and response static

This is a step back but makes the controller work for the moment. It
should be reimplemented in a better way in the future.

lib/zero/controller.rb

@@ -11,16 +11,17 @@ def self.call(env)
       new(env).response
     end
 
-    # set the class to use for responses
-    accept_options :response
-
-    # set a class to use for requests
-    accept_options :request
+    # set the renderer to use for rendering
+    def self.renderer=(renderer)
+      @@renderer = renderer
+    end
 
-    # set the renderer to use in the controller
-    accept_options :renderer
+    # returns the defined renderer
+    def self.renderer
+      @@renderer
+    end
 
-    # the renderer which can be used to render templates
+    # returns the current renderer
     attr_reader :renderer
 
     # initialize the controller
@@ -29,8 +30,8 @@ def self.call(env)
     # renderer, request and response.
     # @param env [Hash] a rack compatible environment
     def initialize(env)
-      @request  = self.class.request.new(env)
-      @response = self.class.response.new
+      @request  = Zero::Request.new(env)
+      @response = Zero::Response.new
       @renderer = self.class.renderer
     end
 

spec/unit/zero/controller/call_spec.rb

@@ -6,13 +6,11 @@
   let(:env) { EnvGenerator.get('/foo') }
 
   before :each do
-    object.renderer(Object.new)
-    object.response(Zero::Response)
-    object.request(Zero::Request)
+    object.renderer = Object.new
   end
 
   it "returns a response" do
-    subject.should be_respond_to(:to_a)
+    subject.should respond_to(:to_a)
   end
 
   it "returns an object with the first element being a status" do
@@ -26,18 +24,4 @@
     r = Zero::Request.new(env)
     expect(r.params['foo']).to eq('bar')
   end
-
-  context "with the response" do
-    let(:response_class) { mock }
-    before :each do
-      object.response(response_class)
-      response_class.should_receive(:new).and_return(Zero::Response.new)
-    end
-
-    after :each do
-      Zero::Controller.response(nil)
-    end
-
-    it { subject }
-  end
 end

spec/unit/zero/controller/render_spec.rb

@@ -4,22 +4,17 @@
   let(:object) { create_controller }
   subject { object.new(env) }
 
-  before do
-    object.request(Zero::Request)
-    object.response(Zero::Response)
-  end
-
   let(:env) { EnvGenerator.get('/foo') }
   let(:renderer) { mock }
   let(:template) { '/foo' }
 
   before :each do
-    object.renderer(renderer)
+    object.renderer = renderer
     renderer.should_receive(:render).with(template,
                                   kind_of(Zero::Request::AcceptType), subject)
   end
   after :each do
-    Zero::Controller.renderer(nil)
+    Zero::Controller.renderer = nil
   end
 
   it { subject.render(template) }

spec/unit/zero/controller/renderer_spec.rb

@@ -4,14 +4,8 @@
   subject { create_controller }
   let(:renderer) { Object.new }
 
-  before do
-    subject.response(Zero::Response)
-    subject.request(Zero::Request)
-  end
-
   it 'returns the set renderer' do
-    subject.renderer(renderer)
-    p subject.renderer
+    subject.renderer = renderer
     expect(subject.new({}).renderer).to be(renderer)
   end
 end