Rails 4脚手架生成器测试控制器操作更新失败-Java 学习之路

我使用ruby“2.0.0”和“rails”，“〜> 4.0.0”和“rspec-rails”，“2.14.2”（引自Gemfile . 我有两个完全不同的应用程序，我得到了两者都有相同的错误 .

我使用脚手架发电机作为我的控制器 . 所以它也产生了我的控制器测试 . 特别是更新行动马上就开始了 . 测试代码

describe "PUT update" do
describe "with valid params" do
  it "updates the requested product" do
    product = Product.create! valid_attributes
    # Assuming there are no other products in the database, this
    # specifies that the Product created on the previous line
    # receives the :update_attributes message with whatever params are
    # submitted in the request.
    expect_any_instance_of(Product).to receive(:update).with({ "product_name" => "Product 1" })
    put :update, {:id => product.to_param, :product => { "product_name" => "Product 1" }}, valid_session
  end

控制器代码：

# PATCH/PUT /products/1

#PATCH / PUT /products/1.json

def update respond_to do | format |如果@ product.update_attributes（product_params）format.html {redirect_to @product，请注意：'产品已成功更新 . ' } format.json {head：no_content} else format.html {render action：“edit”} format.json {render json：@ product.errors，status :: unprocessable_entity} end end end

所以我运行我的测试并且：

1) ProductsController PUT update with valid params updates the requested product
 Failure/Error: Unable to find matching line from backtrace
   Exactly one instance should have received the following message(s) but didn't: update
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-mocks-3.0.2/lib/rspec/mocks/any_instance/recorder.rb:92:in `verify'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-mocks-3.0.2/lib/rspec/mocks/space.rb:69:in `block in verify_all'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-mocks-3.0.2/lib/rspec/mocks/space.rb:69:in `each_value'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-mocks-3.0.2/lib/rspec/mocks/space.rb:69:in `verify_all'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-mocks-3.0.2/lib/rspec/mocks.rb:45:in `verify'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/mocking_adapters/rspec.rb:21:in `verify_mocks_for_rspec'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:354:in `verify_mocks'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:345:in `run_after_example'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:163:in `block in run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `call'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-rails-3.0.1/lib/rspec/rails/example/controller_example_group.rb:174:in `block (2 levels) in <module:ControllerExampleGroup>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:430:in `block (2 levels) in run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `call'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-rails-3.0.1/lib/rspec/rails/adapters.rb:68:in `block (2 levels) in <module:MinitestLifecycleAdapter>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:294:in `instance_exec'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:430:in `block (2 levels) in run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `call'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:210:in `block (2 levels) in <class:Procsy>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:432:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/hooks.rb:485:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:303:in `with_around_example_hooks'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example.rb:145:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:494:in `block in run_examples'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:490:in `map'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:490:in `run_examples'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:457:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `block in run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `map'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `block in run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `map'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/example_group.rb:458:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:112:in `block (2 levels) in run_specs'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:112:in `map'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:112:in `block in run_specs'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/reporter.rb:54:in `report'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:108:in `run_specs'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:86:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:70:in `run'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/lib/rspec/core/runner.rb:38:in `invoke'
 # /Users//.rvm/gems/ruby-2.0.0-p353/gems/rspec-core-3.0.2/exe/rspec:4:in `<top (required)>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/bin/rspec:23:in `load'
 # /Users//.rvm/gems/ruby-2.0.0-p353/bin/rspec:23:in `<main>'
 # /Users//.rvm/gems/ruby-2.0.0-p353/bin/ruby_executable_hooks:15:in `eval'
 # /Users//.rvm/gems/ruby-2.0.0-p353/bin/ruby_executable_hooks:15:in `<main>'
 # 
 #   Showing full backtrace because every line was filtered out.
 #   See docs for RSpec::Configuration#backtrace_exclusion_patterns and
 #   RSpec::Configuration#backtrace_inclusion_patterns for more information.

完成0.27911秒（文件加载1.85秒）16个例子，1个失败

失败的例子：

rspec ./spec/controllers/products_controller_spec.rb:90#ProductsController PUT update with valid params更新请求的产品

我在此之后发布了响应，问题解决了：

1 回答

所以一位好朋友看了我的代码，他指出：

expect_any_instance_of(Product).to receive(:update).with({ "product_name" => "Product 1" })

正在尝试从模型中接收更新 . 模型上没有更新方法：

class Product < ActiveRecord::Base
  before_validation :normalize_name, on: :create
  validates :product_name, presence: true, uniqueness: true
  validates :product_cost, presence: true, :numericality => { :greater_than_or_equal_to => 1 }

  protected
    def normalize_name
      self.product_name = self.product_name.downcase.titleize
    end
end

因此，修复包括将：update_attributes添加到测试中以便调用模型，而不是像之前那样执行控制器操作 .

expect_any_instance_of(Product).to receive(:update_attributes).with({ "product_name" => "Product 1" })

现在测试通过 .

我希望这有帮助 . 我对Rails相当新，所以请承担任何不准确或错误 . 随意报告错别字或更正，他们总是受欢迎 .

回复于 2024-04-29T16:52:08+08:00

Rails 4脚手架生成器测试控制器操作更新失败

1 回答

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