add test case

app/controllers/nodes_controller.rb

@@ -16,7 +16,6 @@ def create
     if @node.save
       redirect_to '/'
     else
-      puts @node.errors
       render 'new'
     end
   end

test/controllers/manage_controller_test.rb

@@ -4,4 +4,13 @@ class ManageControllerTest < ActionController::TestCase
   # test "the truth" do
   #   assert true
   # end
+  def setup
+    user = users(:alice)
+    session[:user_id] = user.id
+  end
+
+  test "should get successfully" do
+    get :index
+    assert_response :success
+  end
 end

test/controllers/nodes_controller_test.rb

@@ -6,10 +6,43 @@ class NodesControllerTest < ActionController::TestCase
   #   assert true
   # end
 
+  def setup
+    user = users(:alice)
+    session[:user_id] = user.id
+  end
+
   test "should return nodes" do
     get :index
     assert_response :success
     data = Node.all.map { |node| { :id => node.id, :name => node.name } }
     assert_equal @response.body, JSON.dump(data)
   end
+
+  test "should get new successfully" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create node successfully" do
+    post :create, post_params
+    assert_response :redirect
+  end
+
+  test "should create node unsuccessfully with empty name" do
+    _post_params = post_params
+    _post_params[:node][:name] = ''
+    post :create, _post_params
+    assert_response :success
+    assert_select 'div.error-message'
+  end
+
+  private
+    def post_params
+      {
+        :node => {
+            :name => 'samplename',
+            :summary => 'samplesummary'
+        }
+      }
+    end
 end

test/fixtures/users.yml

@@ -2,9 +2,11 @@
 alice:
   name: Alice
   email: alice@test.com
+  user_type: 1
   password_digest: <%= User.digest('badpassword') %>
 
 bob:
   name: Bob
   email: bob@test.com
+  user_type: 0
   password_digest: <%= User.digest('anotherbadpassword') %>