ruby-on-rails - RSpec with Ruby on Rails - 测试路由时参数数量错误(1 代表 0)

Question

我尝试测试路由，只是从 rspec-rails 文档中复制了示例。

describe "routing to profiles" do
  it "routes /profile/:username to profile#show for username" do
    expect(:get => "/profiles/jsmith").to route_to(
      :controller => "profiles",
      :action => "show",
      :username => "jsmith"
    )
  end
end

运行 RSpec 时出现以下错误:

Failures:

  1) routing to profiles routes /profile/:username to profile#show for username
     Failure/Error: expect(:get => "/profiles/jsmith").to route_to(
     ArgumentError:
       wrong number of arguments (1 for 0)
     # ./spec/routing/test_spec.rb:11:in `block (2 levels) in <top (required)>'

Finished in 0.001 seconds
1 example, 1 failure

这里出了什么问题？

感谢您的帮助。

Answer 1

expect 占用一个 block 。这意味着使用大括号:

expect{ :get => "/profiles/jsmith" }.to route_to(

引用:RSpec Expectations 2.0

我认为无论如何你都不需要期待。来自 Testing an RSpec controller action that can't be accessed directly 的代码

describe "routing" do
  it "routes /auth/:provider/callback" do
    { :post => "/auth/twitter/callback" }.should route_to(
      :controller => "authentications",
      :action => "create",
      :provider => "twitter")
  end
end