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ruby-on-rails - Rspec 未定义的局部变量或方法 root_path

转载 作者:行者123 更新时间:2023-12-04 06:22:20 25 4
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我开始使用 Rspec,但是当我运行 bundle exec rspec 时出现错误

 /spec/requests/pages_spec.rb:20:in `block (2 levels) in <top (required)>': undefined local
variable or method `root_path' for #<Class:0x00000102e46850> (NameError)

我没有运行 Spork 或 Guard,所以下面的问题不适用

undefined local variable or method `root_path' (Rspec Spork Guard)

我在我的 spec_helper.rb 文件中添加了 config.include Rails.application.routes.url_helpers,但这没有帮助。 undefined local variable or method `root_path' Hartl's Tutorial Chapter 5.3.2

这是pages_spec.rb

require 'spec_helper'                                                                                                                                                       

describe "Pages" do
describe "navigation" do

def self.it_should_be_on(path_name, value=nil)
before { visit path_name }

it "should be on #{path_name}" do
page.should have_link('Home')
page.should have_link('Inventory')
page.should have_link('FAQ')
page.should have_link('About Us')
page.should have_link('Location')
page.should have_link('Contact Us')
# page.should have_link('Login')
end
end

it_should_be_on root_path
it_should_be_on faq_path
it_should_be_on about_path
it_should_be_on location_path
it_should_be_on contact_path
# it_should_be_on login_path
end
end

spec_helper.rb

# This file is copied to spec/ when you run 'rails generate rspec:install'                                                                                                  
ENV["RAILS_ENV"] ||= 'test'
require File.expand_path("../../config/environment", __FILE__)
require 'rspec/rails'
require 'rspec/autorun'
# Requires supporting ruby files with custom matchers and macros, etc,
# in spec/support/ and its subdirectories.
Dir[Rails.root.join("spec/support/**/*.rb")].each { |f| require f }

# Checks for pending migrations before tests are run.
# If you are not using ActiveRecord, you can remove this line.
ActiveRecord::Migration.check_pending! if defined?(ActiveRecord::Migration)

RSpec.configure do |config|
# ## Mock Framework
#
# If you prefer to use mocha, flexmock or RR, uncomment the appropriate line:
#
# config.mock_with :mocha
# config.mock_with :flexmock
# config.mock_with :rr

# Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
config.fixture_path = "#{::Rails.root}/spec/fixtures"

# If you're not using ActiveRecord, or you'd prefer not to run each of your
# examples within a transaction, remove the following line or assign false
# instead of true.
config.use_transactional_fixtures = true

# If true, the base class of anonymous controllers will be inferred
# automatically. This will be the default behavior in future versions of
# rspec-rails.
config.infer_base_class_for_anonymous_controllers = false

# Run specs in random order to surface order dependencies. If you find an
# order dependency and want to debug it, you can fix the order by providing
# the seed, which is printed after each run.
# --seed 1234
config.order = "random"
config.include Capybara::DSL
config.include Rails.application.routes.url_helpers
end

更新在阅读了 shared_examples 之后,我成功地尝试了这个。有没有更好的方法来编写这个测试?我最终将页面分成单独的页面,如主页等。

require 'spec_helper'                                                               

describe "Pages" do

subject { page }

shared_examples "navigation" do |path_name|
before { visit send( path_name) }

describe "navigation links should be on #{path_name}" do

it { should have_link('Home') }
it { should have_link('Inventory') }
it { should have_link('FAQ') }
it { should have_link('About Us') }
it { should have_link('Location') }
it { should have_link('Contact Us') }
# it { should have_link('Login') }
end
end

describe "Home Page" do
include_examples "navigation", :root_path
end
end

最佳答案

在 RSpec 的 describe block 的顶层,没有任何 Rails 助手可用。它们仅在较低级别的 block 中可用(例如 letbeforeit 等)。

如果您想跨示例共享此类代码,您可以使用 shared_context 或 shared_example,如 RSpec 文档中所述,或者在 describe 级别切换为使用符号作为参数并推迟将它们解释为方法,直到您处于较低级别的 block 中,如 the answer from @IharDrozdov 所示.

关于ruby-on-rails - Rspec 未定义的局部变量或方法 root_path,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21210900/

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