在 Rails 3.x 功能测试中使用 Capybara 的正确方法是什么？

发布于 2025-01-07 11:18:41 字数 782 浏览 3 评论 0原文

因此，Rails 会在 test/function 目录中为控制器生成一些功能测试。这些测试是从 ActionController::TestCase 扩展的。

但在 Capybara 的网站中，他们只展示了如何通过猴子修补 ActionDispatch::IntegrationTest 来准备集成测试：

DatabaseCleaner.strategy = :truncation

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

  # Stop ActiveRecord from wrapping tests in transactions
  self.use_transactional_fixtures = false

  teardown do
    DatabaseCleaner.clean # Truncate the database
    Capybara.reset_sessions! # Forget the (simulated) browser state
    Capybara.use_default_driver # Revert Capybara.current_driver to Capybara.default_driver
  end
end

但他们没有提到如何设置 Capybara 以用于功能测试。这样做的正确方法是什么？

原文

So Rails generates some functional tests for controllers in the test/functional directory. These tests are extending from ActionController::TestCase.

But in Capybara's web site, they only show how to prepare the integration tests by monkey patching ActionDispatch::IntegrationTest:

DatabaseCleaner.strategy = :truncation

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

  # Stop ActiveRecord from wrapping tests in transactions
  self.use_transactional_fixtures = false

  teardown do
    DatabaseCleaner.clean # Truncate the database
    Capybara.reset_sessions! # Forget the (simulated) browser state
    Capybara.use_default_driver # Revert Capybara.current_driver to Capybara.default_driver
  end
end

But they don't mention how to setup Capybara to be used with functional tests. What's the correct way to do that?

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归属感 2025-01-14 11:18:41

您不会使用 Capybara，因为那是网页工具。功能测试不涉及这一点。您只需要证明您的控制器逻辑具有正确的行为即可。为此，RSpec 就足够了。

请参阅 http://rubydoc.info/gems/rspec-rails/frames 控制器规格部分。

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乱世争霸 2025-01-14 11:18:41

Capybara 提供了一些非常好的语法，也可以在功能测试中使用。您只需要包装页面函数即可返回 Capybara::Node::Simple 包装的 @response.body。

class Test::Unit::TestCase
  def page
    Capybara::Node::Simple.new(@response.body)
  end
end

来自 Capybara rdoc：

{Capybara::Node::Simple} 是 {Capybara::Node::Base} 的更简单版本，其中仅包含 {Capybara::Node::Finders} 和 {Capybara::Node::Matchers } 并且不包括 {Capybara::Node::Actions}。

莫信息：

http://robots. Thoughtbot.com/post/8087279685/use-capybara-on-any-html-fragment-or-page

Capybara provides some really nice syntax which can also be used in functional tests. You just need to wrap the page function to return a Capybara::Node::Simple wrapped @response.body.

class Test::Unit::TestCase
  def page
    Capybara::Node::Simple.new(@response.body)
  end
end

From the Capybara rdoc:

A {Capybara::Node::Simple} is a simpler version of {Capybara::Node::Base} which includes only {Capybara::Node::Finders} and {Capybara::Node::Matchers} and does not include {Capybara::Node::Actions}.

Mo info:

http://robots.thoughtbot.com/post/8087279685/use-capybara-on-any-html-fragment-or-page

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