added tag subscription functional test

test/functional/tag_subscriptions_controller_test.rb

@@ -1,8 +1,73 @@
 require 'test_helper'
 
 class TagSubscriptionsControllerTest < ActionController::TestCase
-  # Replace this with your real tests.
-  test "the truth" do
-    assert true
+  context "The tag subscriptions 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
+      setup do
+        @tag_subscription = Factory.create(:tag_subscription, :name => "aaa", :owner => @user)
+      end
+      
+      should "list all visible tag subscriptions" do
+        get :index
+        assert_response :success
+      end
+      
+      context "with search conditions" do
+        should "list all matching forum posts" do
+          get :index, {:search => {:name_equals => "aaa"}}
+          assert_response :success
+          assert_equal(1, assigns(:tag_subscriptions).size)
+        end
+      end
+    end
+    
+    context "edit action" do
+      setup do
+        @tag_subscription = Factory.create(:tag_subscription, :owner => @user)
+      end
+      
+      should "render" do
+        get :edit, {:id => @tag_subscription.id}, {:user_id => @user.id}
+        assert_response :success
+      end
+    end
+    
+    context "new action" do
+      should "render" do
+        get :new, {}, {:user_id => @user.id}
+        assert_response :success
+      end
+    end
+    
+    context "create action" do
+      should "create a new tag subscription" do
+        assert_difference("TagSubscription.count", 1) do
+          post :create, {:tag_subscription => {:name => "aaa", :tag_query => "bbb"}}, {:user_id => @user.id}
+        end
+      end
+    end
+    
+    context "destroy action" do
+      setup do
+        @tag_subscription = Factory.create(:tag_subscription)
+      end
+      
+      should "destroy the posts" do
+        assert_difference("TagSubscription.count", -1) do
+          post :destroy, {:id => @tag_subscription.id}, {:user_id => @user.id}
+        end
+      end
+    end
   end
 end