MiniTest - 找不到路由

MiniTest - route not found

我有一个 POST 模型、控制器和视图,我目前正在创建它的测试套件以确保所有内容都经过正确测试。我现在正在创建集成测试,并且在运行 "edits a post successfully" 测试时似乎总是出现相同的错误,指出 ID 丢失。

我真的不明白我做错了什么。错误消息说缺少一个 :id 键,但是在创建新的 post 时不应该自动创建一个吗?我做错了什么?

版本:
Ruby: 2.1.2
Rails: 4.2.1

集成测试

require 'test_helper'

class PostsCrudTest < ActionDispatch::IntegrationTest
  def setup
    @post = { title: "This is the title",
               content: "Detailed comment."*10,
               phone: 9991118888,
               email: "email@h_list.com",
               user_id: users(:spiderman).id }
  end

  test "creates a new post successfully" do 
    get new_post_path
    assert_template 'posts/new'
    assert_difference 'Post.count', 1 do 
      post posts_path, post: @post
    end
    assert_template 'posts/show'
  end

  test "fails to create a new post with inaccurate info" do 
    get new_post_path
    assert_no_difference 'Post.count' do 
      post posts_path, post: { title: "", content: "", phone: 1111, email: 00 }
    end
    assert_template 'posts/new'
  end

  test "shows a new post correctly" do 
    get new_post_path
    post posts_path, post: @post
    assert_template 'posts/show'
    assert_equal 'Your new posting was created.', flash[:success]
    assert_select 'h2', @post[:title]
    assert_select 'h2+p', @post[:content]
  end

  test "edits a post successfully" do 
    get new_post_path
    post posts_url, post: @post
    assert_template 'posts/show'

    get edit_post_path, post: @post
    # assert_select '.edit_post' do 
      assert_select 'textarea', @post[:content]
    # end
  end


end

测试结果

$ rake test:integration
Run options: --seed 35902

# Running:

...E

Finished in 0.310827s, 12.8689 runs/s, 32.1722 assertions/s.

  1) Error:
PostsCrudTest#test_edits_a_post_successfully:
ActionController::UrlGenerationError: No route matches {:action=>"edit", :controller=>"posts"} missing required keys: [:id]
test/integration/posts_crud_test.rb:44:in `block in <class:PostsCrudTest>'

4 runs, 10 assertions, 0 failures, 1 errors, 0 skips

相关路线:

               posts GET    /posts(.:format)               posts#index
                     POST   /posts(.:format)               posts#create
            new_post GET    /posts/new(.:format)           posts#new
           edit_post GET    /posts/:id/edit(.:format)      posts#edit
                post GET    /posts/:id(.:format)           posts#show
                     PATCH  /posts/:id(.:format)           posts#update
                     PUT    /posts/:id(.:format)           posts#update
                     DELETE /posts/:id(.:format)           posts#destroy

注意:一切似乎在实际站点上运行良好。只是测试套件给我这个错误。

The error message says that an :id key is missing

是的,因为您要执行两个步骤:

  1. 您使用@post 哈希创建了一个新的post。我假设 post 是在服务器上创建的,这通常意味着 post 是在数据库中创建的,并且会创建一个新的 id。

  2. 您尝试编辑没有任何 ID 的 @post 哈希。这就是您收到错误消息的原因。

有多种方法可以解决这个问题。

选项 1 很简单:直接在代码中创建 post,而不是使用 new_post_path。

示例:

test "edits a post successfully" do 
  p = Post.create(@post)  # or whatever options you want
  get edit_post_path, post: p.id
  ...

选项 2 是高级的:像您一样创建 post,并使您的服务器 return 成为新创建的 post 的 ID。如果需要,您可以将它放在 HTTP 响应中,或者将它放在更具结构性的内容中,例如 JSON 响应。