browser.helperApps.neverAsk.saveToDisk首选项不适用于firefox的量角器 [英] browser.helperApps.neverAsk.saveToDisk preference isn't working with protractor for firefox

问题描述

  var q = require（'q'）; 
 var FirefoxProfile = require（'firefox-profile'）; 
 
 var firefoxProfile = new FirefoxProfile（）; 
 firefoxProfile.setPreference（browser.download.folderList，2）; 
 firefoxProfile.setPreference（browser.download.dir，process.cwd（）+'/ e2e / downloads /'）; 
 firefoxProfile.setPreference（browser.helperApps.neverAsk.saveToDisk，application / x-executable）; 
  

文件的MIME类型是application / x-executable。添加以上所有细节后，它显示在Firefox上弹出的下载。
$ b $ p 环境：

  Ubuntu 14.04 
 Firefox 44 
量角器3.2.2 
 Selenium-webdriver 2.53 
  pre 
 
解决方案
我很确定这只是指定正确的MIME类型。显然，在这种情况下设置 application / x-executable 还不够。
 
 
 
最可靠的方法也就是实际上手动打开firefox ，下载文件让firefox自动保存文件。然后，打开帮助 - 疑难解答信息，打开配置文件夹，打开 mimeTypes.rdf 文件，并找到自动下载的文件的MIME类型。你会有这样的事情：
 
 $ $ p $ < RDF：Description RDF：about =urn：mimetype：handler：x-executable 
 NC：alwaysAsk =false
 NC：useSystemDefault =true> 
 < / RDF：说明> 
  

仅供参考，您可以在逗号分隔的字符串中为 browser.helperApps.neverAsk.saveToDisk 首选项。

I am using firefox-profile with below settings -

var q = require('q');
var FirefoxProfile = require('firefox-profile');

var firefoxProfile = new FirefoxProfile();
firefoxProfile.setPreference("browser.download.folderList", 2);
firefoxProfile.setPreference("browser.download.dir", process.cwd() +'/e2e/downloads/');
firefoxProfile.setPreference("browser.helperApps.neverAsk.saveToDisk", "application/x-executable");

MIME-type of file is "application/x-executable". After adding all above details, it shows download pop up on firefox.

Environment:-

Ubuntu 14.04
Firefox 44
Protractor 3.2.2
Selenium-webdriver 2.53

解决方案

I am pretty sure it is just about specifying the correct mime-type. Apparently, just setting the application/x-executable not enough in this case.

The most reliable way to do that is to actually open firefox manually, download the file asking firefox to save the file automatically. Then, open Help - Troubleshooting Information, open Profile Folder, open mimeTypes.rdf file and locate the mime-types of the automatically downloaded files. You will have there something like:

<RDF:Description RDF:about="urn:mimetype:handler:x-executable"
               NC:alwaysAsk="false"
               NC:useSystemDefault="true">
   <NC:externalApplication RDF:resource="urn:mimetype:externalApplication:x-executable"/>
</RDF:Description> 

FYI, you can specify multiple mime-types in comma-separated string for the browser.helperApps.neverAsk.saveToDisk preference.

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