Rails Rspec 错误 - 未定义的方法“访问"

问题描述

所以我是 TDD 的新手 &我在我的测试中抛出了一些 Rspec 错误......基本上在运行 bundle exec rspec spec 之后，我在我的一些规范上得到一个 undefined method 'visit' 错误.任何有关如何使这些测试通过的帮助将不胜感激:谢谢.

So I'm new to TDD & I'm throwing some Rspec errors here on my tests...Basically after running bundle exec rspec spec, I get an undefined method 'visit' error on some of my specs. Any help on how to make these tests pass would be much appreciated: Thanks.

Failures:

1) User pages profile page
 Failure/Error: before { visit user_path(user) }
 NoMethodError:
   undefined method `visit' for # <RSpec::Core::ExampleGroup::Nested_2::Nested_1:0x007ffda8049540>
 # ./spec/requests/user_pages_spec.rb:9:in `block (3 levels) in <top (required)>'

2) User pages profile page
 Failure/Error: before { visit user_path(user) }
 NoMethodError:
   undefined method `visit' for #<RSpec::Core::ExampleGroup::Nested_2::Nested_1:0x007ffda4f3ac38>
 # ./spec/requests/user_pages_spec.rb:9:in `block (3 levels) in <top (required)>'

3) User pages signup page
 Failure/Error: before { visit signup_path }
 NoMethodError:
   undefined method `visit' for #<RSpec::Core::ExampleGroup::Nested_2::Nested_2:0x007ffda8262e58>
 # ./spec/requests/user_pages_spec.rb:16:in `block (3 levels) in <top (required)>'

4) User pages signup page
 Failure/Error: before { visit signup_path }
 NoMethodError:
   undefined method `visit' for #<RSpec::Core::ExampleGroup::Nested_2::Nested_2:0x007ffda82663c8>
 # ./spec/requests/user_pages_spec.rb:16:in `block (3 levels) in <top (required)>'

Finished in 9.08 seconds
24 examples, 4 failures

Failed examples:

rspec ./spec/requests/user_pages_spec.rb:11 # User pages profile page
rspec ./spec/requests/user_pages_spec.rb:12 # User pages profile page
rspec ./spec/requests/user_pages_spec.rb:18 # User pages signup page
rspec ./spec/requests/user_pages_spec.rb:19 # User pages signup page

我的规范/请求/user_pages_spec.rb

My spec/requests/user_pages_spec.rb

require 'spec_helper'

describe "User pages" do

  subject { page }

  describe "profile page" do
    let(:user) { FactoryGirl.create(:user) } # Code to make a user variable
    before { visit user_path(user) }

    it { should have_selector('h1',    text: user.name) }
    it { should have_selector('title', text: user.name) }
  end

  describe "signup page" do
    before { visit signup_path }

    it { should have_selector('h1',    text: 'Sign up') }
    it { should have_selector('title', text: 'Sign up') }
  end
end

还有我的 spec/models/user_spec.rb

And my spec/models/user_spec.rb

require 'spec_helper'

describe User do

before do
  @user = User.new(name: "Example User", email: "[email protected]",
                  password: "foobar", password_confirmation: "foobar")
end

subject { @user }

it { should respond_to(:name) }
it { should respond_to(:email) }
it { should respond_to(:password_digest) }
it { should respond_to(:password) }
it { should respond_to(:password_confirmation) }
it { should respond_to(:authenticate) }

it { should be_valid }

describe "when name is not present" do
  before { @user.name = " " }
  it { should_not be_valid }
end

describe "when email is not present" do
  before { @user.email = " " }
  it { should_not be_valid }
end

describe "when name is too long" do
  before { @user.name = "a" * 51 }
  it { should_not be_valid }
end

describe "when email format is invalid" do
  it "should be invalid" do
    addresses = %w[user@foo,com user_at_foo.org example.user@foo.
                   foo@bar_baz.com foo@bar+baz.com]
    addresses.each do |invalid_address|
      @user.email = invalid_address
      @user.should_not be_valid
    end
  end
end

describe "when email format is valid" do
  it "should be valid" do
    addresses = %w[[email protected] [email protected] [email protected] [email protected]]
    addresses.each do |valid_address|
      @user.email = valid_address
      @user.should be_valid
    end
  end
end

describe "when email address is already taken" do
  before do
    user_with_same_email = @user.dup
    user_with_same_email.email = @user.email.upcase
    user_with_same_email.save
  end
  it { should_not be_valid }
end

describe "when password is not present" do
  before { @user.password = @user.password_confirmation = " " }
  it { should_not be_valid }
end

describe "with a password that's too short" do
  before { @user.password = @user.password_confirmation = "a" * 5 }
  it { should be_invalid }
end

describe "return value of authenticate method" do
  before { @user.save }
  let(:found_user) { User.find_by_email(@user.email) }

  describe "with valid password" do
    it { should == found_user.authenticate(@user.password) }
  end

  describe "with invalid password" do
    let(:user_for_invalid_password) { found_user.authenticate("invalid") }

    it { should_not == user_for_invalid_password }
    specify { user_for_invalid_password.should be_false }
  end
end

describe "when password doesn't match confirmation" do
  before { @user.password_confirmation = "mismatch" }
  it { should_not be_valid }
end

describe "when password confirmation is nil" do
  before { @user.password_confirmation = nil }
  it { should_not be_valid }
end

end

最后是我的 views/users/new.html.erb

And lastly my views/users/new.html.erb

<% provide(:title, 'Sign up') %>
<h1>Sign up</h1>
<p>Find me in app/views/users/new.html.erb</p>

和 views/users/show.html.erb

and views/users/show.html.erb

<% provide(:title, @user.name) %>
<h1><%= @user.name %></h1>

&我已经添加了我的 UsersController

& I've added my UsersController

class UsersController < ApplicationController
  def new
  end

  def show
   @user = User.find(params[:id])
  end
end

在按照比利的解决方案进行修复后，现在也出现了这个新错误

Also getting this new error now after fixing as per Billy's solution

Failures:

1) User pages signup page
 Failure/Error: it { should have_selector('title', text: 'Sign up') }
 Capybara::ExpectationNotMet:
   expected to find css "title" with text "Sign up" but there were no matches. Also found "", which matched the selector but not all filters.
 # ./spec/features/user_pages_spec.rb:19:in `block (3 levels) in <top (required)>'

2) User pages profile page
 Failure/Error: it { should have_selector('title', text: user.name) }
 Capybara::ExpectationNotMet:
   expected to find css "title" with text "Michael Hartl" but there were no matches. Also found "", which matched the selector but not all filters.
 # ./spec/features/user_pages_spec.rb:12:in `block (3 levels) in <top (required)>'

Finished in 9.41 seconds
24 examples, 2 failures

Failed examples:

rspec ./spec/features/user_pages_spec.rb:19 # User pages signup page
rspec ./spec/features/user_pages_spec.rb:12 # User pages profile page

推荐答案

问题出在这里:

./spec/requests/user_pages_spec.rb

您将 Capybara 集成测试放在 requests 文件夹中.这就是方法 visit 不起作用的原因.

You put the Capybara integration tests in requests folder. That's why the method visit won't work.

要修复，只需将所有测试从 spec/requests 移动到 spec/features.

To fix, just move all the tests from spec/requests to spec/features.

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