运行黄瓜时带干运行选项时出错 [英] Error when run cucumber with dry run option

问题描述

我试图通过打开和关闭浏览器一次来提高运行测试的速度。

http://watirmelon.com/2012/04/01/five-page-object-anti-patterns/ < a>

我在hooks.rb中有以下内容

  = Watir :: Browser.new ENV ['BROWSER']。to_sym 
 
 before do 
 @browser = browser 
 end 
 
 | 
 @ browser.cookies.clear 
 end 
 
 at_exit do 
 browser.close 
 end 
  

它大大提高了测试套件运行的速度。但是我还需要从我的自定义格式化程序在json文件中的一些统计信息，而不运行测试：

  cucumber -t @test -d -f Cucumber :: Formatter :: MyCustomFormatter>问题是黄瓜catches错误与 -d 
  code>选项：
 未初始化的常量Watir（NameError）
 / home / user / work / features / support / hooks.rb：7：in`< top（required）>'
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5 /lib/cucumber/rb_support/rb_language.rb:122:in`load'
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber /rb_support/rb_language.rb:122:in`load_code_file'
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code .rb：180：in`load_file'
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:83 ：in'block in load_files！'
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:82：在`each'
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:82:in`load_files！ '
 /home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime.rb:183:in`load_step_definitions'
 / home / user / .rvm / gems / ruby​​-2.0.0-p247 / gems / cucumber-1.3.5 / lib / cucumber / runtime.rb：42：在`run！'
 / home / user /。 rvm / gems / ruby​​-2.0.0-p247 / gems / cucumber-1.3.5 / lib / cucumber / cli / main.rb：47：in`execute！'
 /home/user/.rvm/gems /ruby-2.0.0-p247/gems/cucumber-1.3.5/bin/cucumber:13:in`< top（必需）>'
 /home/user/.rvm/gems/ruby- 2.0.0-p247 / bin / cucumber：23：in'load'
 /home/user/.rvm/gems/ruby-2.0.0-p247/bin/cucumber:23:in`< main> '
 /home/user/.rvm/gems/ruby-2.0.0-p247/bin/ruby_noexec_wrapper:14:in'eval'
 /home/user/.rvm/gems/ruby-2.0 .0-p247 / bin / ruby​​_noexec_wrapper：14：在`< main>'
  
移动之前的方法之前阻止：
 之前的操作
 if！$ somevar 
 browser = Watir :: Browser.new ENV ['BROWSER']。to_sym 
 @browser = browser 
 $ somevar = true 
 end 
 end 
  
 code> at_exit 块：
  / home / user / work /支持/ hooks.rb：26：in'block in< top（required）>'：undefined local variable或method`browser'for main：Object（NameError）
  pre> 
 
 
如果我把 @ browser.close 放在 at_exit ，我得到：
  /home/user/work/repository/features/support/hooks.rb:26:in` block in< top（required）>'：undefined method`close'for nil：NilClass（NoMethodError）
  
 
 
 
有没有办法在测试套件中打开/关闭浏览器，并使其与黄瓜的 -d 选项一起使用？
 $ b $问题是干运行（-d）不加载你的support / env.rb文件。如果你 cucumber -h 看到帮助，它说：
 
 
 d，--dry-run调用formatters而不执行步骤。这也省略了加载你的support / env.rb文件，如果它存在的话。
 
 
因为你需要在env中的watir-webdriver。 rb和env.rb没有加载，那么你的hooks文件将不知道什么是Watir。
 
 
 
一个解决方案是添加 require' 
 
 
另一个解决方案是将浏览器创建和at_exit钩子移动到env.rb文件中。这样，当使用干运行选项时，您将看不到浏览器打开和关闭。
 
I'm trying to improve the speed of running tests by opening and closing the browser only once.

http://watirmelon.com/2012/04/01/five-page-object-anti-patterns/

I have the following in hooks.rb
browser = Watir::Browser.new ENV['BROWSER'].to_sym

Before do
  @browser = browser
end

After do |scenario|
  @browser.cookies.clear
end

at_exit do
  browser.close
end
It greatly boosts up the speed of test suite running. But I also need some statistics in json file from my custom formatter without running tests: 
cucumber -t @test -d -f Cucumber::Formatter::MyCustomFormatter > result.json
The problem is that cucumber catches error with -d option:
uninitialized constant Watir (NameError)
/home/user/work/repository/features/support/hooks.rb:7:in `<top (required)>'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/rb_support/rb_language.rb:122:in `load'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/rb_support/rb_language.rb:122:in `load_code_file'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:180:in `load_file'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:83:in `block in load_files!'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:82:in `each'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime/support_code.rb:82:in `load_files!'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime.rb:183:in `load_step_definitions'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/runtime.rb:42:in `run!'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/lib/cucumber/cli/main.rb:47:in `execute!'
/home/user/.rvm/gems/ruby-2.0.0-p247/gems/cucumber-1.3.5/bin/cucumber:13:in `<top (required)>'
/home/user/.rvm/gems/ruby-2.0.0-p247/bin/cucumber:23:in `load'
/home/user/.rvm/gems/ruby-2.0.0-p247/bin/cucumber:23:in `<main>'
/home/user/.rvm/gems/ruby-2.0.0-p247/bin/ruby_noexec_wrapper:14:in `eval'
/home/user/.rvm/gems/ruby-2.0.0-p247/bin/ruby_noexec_wrapper:14:in `<main>'
Then I try to move Watir.new method inside Before block:
Before do
  if !$somevar
    browser = Watir::Browser.new ENV['BROWSER'].to_sym
    @browser = browser
    $somevar = true
  end
end
And get error in at_exit block:
/home/user/work/repository/features/support/hooks.rb:26:in `block in <top (required)>': undefined local variable or method `browser' for main:Object (NameError)
If I put @browser.close inside at_exit, I get:
/home/user/work/repository/features/support/hooks.rb:26:in `block in <top (required)>': undefined method `close' for nil:NilClass (NoMethodError)
Is there any way to open/close the browser once in a test suite and make it work with the -d option of cucumber?
解决方案
The problem is that dry-run (-d) does not load your support/env.rb file. If you do cucumber -h to see the help, it says:

  
-d, --dry-run  Invokes formatters without executing the steps. This also omits the loading of your support/env.rb file if it exists.
Since you require watir-webdriver in the env.rb and env.rb does not get loaded, then your hooks file will not know what Watir is.

One solution would be to add require 'watir-webdriver' (or require 'watir') to your hooks.rb file.

An alternative solution is to move the browser creation and at_exit hooks into the env.rb file. This way, when using the dry run option, you will not see the browser open and close.

                        
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