Having issue using PhantomJS with a proxy #214

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1. ombre42 commented on Jun 21, 2013

   

   ombre42

   on Jun 21, 2013

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   I posted this to the RF user group:

   Supporting the proxy via DesiredCapabilities is marked TODO in PhantomJS's source code. Also setting the command line arguments via DesiredCapabilities (phantomjs.cli.args) is only implemented in the Java bindings. The only way currently to set the proxy AFAIK is via the command line.
   You can either launch phantomjs outside of Selenium2Library and use the remote_url to connect to it or you can get your hands a little dirty and make a custom library. Writing your own keyword allows you to expose some browser-specific arguments that are not exposed by Open Browser. The custom library approach is demonstrated below (it worked for me phantomJS 1.9.1/RF 2.8.1/Se 1.2/Py 2.7/Win7):

   *** Settings ***
   Library           Selenium2Library
   Library           Se2LibExtensions.py
   
   *** Test Cases ***
   PhantomJS Proxy
       ${service args}=    Create List    --proxy=192.168.132.104:8888
       Open Phantomjs    http://www.google.com/    service_args=${service args}
       [Teardown]    Close All Browsers
   

   # contents of Se2LibExtensions.py
   from selenium import webdriver
   from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
   from robot.libraries.BuiltIn import BuiltIn
   from robot.api import logger
   
   class Se2LibExtensions(object):
   
       def open_phantomjs(self, url, alias=None, service_args=None, desired_capabilities=DesiredCapabilities.PHANTOMJS, service_log_path=None, executable_path="phantomjs", port=0):
           """Open the PhantomJS browser to the given `url`."""
           s2l = BuiltIn().get_library_instance('Selenium2Library')
           browser = webdriver.PhantomJS(service_args=service_args, desired_capabilities=desired_capabilities, service_log_path=service_log_path, executable_path=executable_path, port=port)
           browser.get(url)
           logger.debug('Opened browser with session id %s'
                       % browser.session_id)
           return s2l._cache.register(browser, alias)
   
2. chethan commented on Jul 16, 2013

   

   chethan

   on Jul 16, 2013

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   Is there any update on the support for proxy as part of DesiredCapabilities.
3. a0s commented on Sep 10, 2013

   

   a0s

   on Sep 10, 2013

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   2 months later ... any progress ?
4. emanlove commented on Sep 14, 2013

   

   emanlove

   on Sep 14, 2013

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   @ombre42: With your code above are you suggesting we add an 'Open PhantomJS' keyword? add it temporarily? Or are you suggesting we recommend this code as a work around till the issue is solved within the phantomjs codebase?
5. ombre42 commented on Sep 16, 2013

   

   ombre42

   on Sep 16, 2013

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   It was intended to be a workaround. It is hard to commit to an API in a wrapper when the underlying API is somewhat unstable (referring to the WebDriver constructors as a whole). What I think should definitely be done is adding a documented, private method for adding a WebDriver instance to the cache. Perhaps _add_webdriver(url=None, alias=None). Using the term webdriver and having url default to None because they do not apply to the burgeoning use of Selenium for mobile automation.

   Perhaps a middle ground between having lots of custom Open * keywords and forcing our users to instantiate the browser in Python would be to implement a keyword similar to Connect To Database Using Custom Params. It essentially is a workaround for RF for before it supported keywords using **kwargs and allows the user to avoid writing Python code but be generic enough to support dissimilar method signatures.

   @emanlove what do you think of having something like Create Webdriver Using Custom Parameters?
6. emanlove commented on Oct 16, 2013

   

   emanlove

   on Oct 16, 2013

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   @ombre42 : Sounds good to me.
7. emanlove commented on Dec 26, 2013

   

   emanlove

   on Dec 26, 2013

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   With newly implemented keyword 'Create WebDriver' you should be able to accomplish this with some lines like

   *** Settings ***
   Library  Collections
   Library  Selenium2Library
   
   *** Test Cases ***
   Demonstrate Using Proxy With PhantomJS Via Create WebDriver Keyword
       [Tags]  phantomjs
       ${service args}=    Create List    --proxy=192.168.132.104:8888
       Create WebDriver  PhantomJS  service_args=${service args}
       Close Browser
   
8. emanlove

   closed this as completedon Dec 26, 2013