在使用Capybara和Rails時機架測試錯誤TestCase

Question

我在我的集​​成測試中包含了Capybara。我已經根據文檔設置了我的test_helper文件。

ENV['RAILS_ENV'] ||= 'test' 
require File.expand_path('../../config/environment', __FILE__) 
require 'rails/test_help' 
require 'capybara' 
require 'capybara/dsl' 
require 'vcr' 

class ActiveSupport::TestCase 
    include Devise::Test::IntegrationHelpers 
    # Setup all fixtures in test/fixtures/*.yml for all tests in alphabetical order. 
    fixtures :all 

    # Add more helper methods to be used by all tests here... 
    VCR.configure do |c| 
    c.hook_into :webmock 
    c.cassette_library_dir = 'vcr_cassettes' 
    c.default_cassette_options = { :record => :once } 
    end 
end 

class ActionDispatch::IntegrationTest 
    # Make the Capybara DSL available in all integration tests 
    include Capybara::DSL 

    # Reset sessions and driver between tests 
    # Use super wherever this method is redefined in your individual test classes 
    def teardown 
    Capybara.reset_sessions! 
    Capybara.use_default_driver 
    end 
end 

要使用水豚測試我的集成測試，我設置了一個方法，我portfolio_flow_test文件（也需要test_helper.rb中）

test "signed in user can visit portfolio index page" do 
    @user = users(:nicholas) 
    sign_in @user 
    visit portfolios_path 
    assert_select "h1", "Portfolios" 
end 

我得到了所有的考試這個錯誤

ArgumentError: rack-test requires a rack application, but none was given 

水豚的默認驅動程序是機架測試，所以我不清楚爲什麼我運行測試時失敗。

Answer 1

您並未要求爲您的導軌應用程序設置Capybara.app「水豚/導軌」。它記錄在水豚自述文件 - https://github.com/teamcapybara/capybara#setup