测试视图助手
我目前正在开发一个 Rails 插件，用于生成 iPhone 特定的 HTML 元标记。我尝试使用 ActionView::TestCase 进行单元测试，但不断收到相同的错误。请参阅下面的文件内容和错误。任何想法或帮助将不胜感激。
test_helper.rb
require 'rubygems'
require 'test/unit'
require 'active_support'
require 'action_view'
require File.join(File.dirname(__FILE__), '..', 'lib', 'iphone_helper')
iphone_test_helper.rb
require 'test_helper'
class IphoneHelperTest < ActionView::TestCase
test 'br' do
tag = tag('br')
assert_tag_in tag, '<br />'
end
end
错误
RuntimeError: In order to use #url_for, you must include routing helpers explicitly. For instance, `include Rails.application.routes.url_helpers
I'm currently working on a Rails plugin used for generating iPhone specific HTML meta-tags. I'm trying to use ActionView::TestCase for unit tests but keep getting the same error. See file contents and error below. Any ideas or help would be much appreciated.
test_helper.rb
require 'rubygems'
require 'test/unit'
require 'active_support'
require 'action_view'
require File.join(File.dirname(__FILE__), '..', 'lib', 'iphone_helper')
iphone_test_helper.rb
require 'test_helper'
class IphoneHelperTest < ActionView::TestCase
test 'br' do
tag = tag('br')
assert_tag_in tag, '<br />'
end
end
error
RuntimeError: In order to use #url_for, you must include routing helpers explicitly. For instance, `include Rails.application.routes.url_helpers
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评论（3）
对我有用的糟糕而hacky的解决方法（因为我正在处理gem而不是在完整的rails环境中）：
Awful and hacky workaround that worked for me (since I am working on a gem and not in a full rails environment):
您是否尝试以老式方式包含相应模块？：
如果 <引发 code>NameError 告诉您 ActionDispatch 未知，您可能必须
require 'action_dispatch'。Did you try to include the respective Module in an old-fashioned way?:
If a
NameErroris raised telling you that ActionDispatch is unknown you might have torequire 'action_dispatch'.也许是一个愚蠢的问题，但类名和文件名不匹配可能是一个问题（IphoneHelperTest 与 iphone_test_helper.rb）？有时这会导致类未加载。
Maybe a stupid question, but is the fact that the class name and the file name don't match possibly a problem (IphoneHelperTest vs. iphone_test_helper.rb)? Sometimes that leads to classes not being loaded.