finished dmails and favorites functional tests

test/functional/favorites_controller_test.rb

@@ -1,8 +1,59 @@
 require 'test_helper'
 
 class FavoritesControllerTest < ActionController::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+  context "The favorites controller" do
+    setup do
+      @user = Factory.create(:user)
+      CurrentUser.user = @user
+      CurrentUser.ip_addr = "127.0.0.1"
+    end
+    
+    teardown do
+      CurrentUser.user = nil
+      CurrentUser.ip_addr = nil
+    end
+    
+    context "index action" do
+      context "with a specified tags parameter" do
+        should "redirect to the posts controller" do
+          get :index, {:tags => "abc"}, {:user_id => @user}
+          assert_redirected_to(posts_path(:tags => "fav:#{@user.name} abc"))
+        end
+      end
+      
+      should "display the current user's favorites" do
+        get :index, {}, {:user_id => @user.id}
+        assert_response :success
+        assert_not_nil(assigns(:post_set))
+      end
+    end
+    
+    context "create action" do
+      setup do
+        @post = Factory.create(:post)
+      end
+
+      should "create a favorite for the current user" do
+        assert_difference("Favorite.count(#{@user.id})", 1) do
+          post :create, {:id => @post.id}, {:user_id => @user.id}
+        end
+      end
+    end
+    
+    context "destroy action" do
+      setup do
+        @post = Factory.create(:post)
+        Favorite.create(
+          :user_id => @user.id,
+          :post_id => @post.id
+        )
+      end
+      
+      should "remove the favorite from the current user" do
+        assert_difference("Favorite.count(#{@user.id})", -1) do
+          post :destroy, {:id => @post.id}, {:user_id => @user.id}
+        end
+      end
+    end
   end
 end