Headless Chrome - Need help

Sreeram R

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Dec 29, 2019, 7:09:04 AM12/29/19

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Hi,

I am trying to run Headless Chrome in the remote pc (open few websites) using Robot Framework

Have the following code.

Open Headless Chrome Browser to Page

[Arguments] ${remote_url}

${eval_webdriver} Evaluate sys.modules['selenium.webdriver'].ChromeOptions() sys, selenium.webdriver

Create Webdriver Chrome chrome_options=${eval_webdriver}

#Call Method ${eval_webdriver} add_argument test-type

#Call Method ${eval_webdriver} add_argument --disable-extensions

Call Method ${chrome_options} add_argument --headless

#Call Method ${eval_webdriver} add_argument --disable-gpu

#Call Method ${eval_webdriver} add_argument --no-sandbox

Open Browser https://www.makemytrip.com/ Chrome remote_url=http://192.168.48.201:33344/

Sleep ${pageLoadWait}

Maximize Browser Window

capture page screenshot

close browser

When I run this, its not opening the browser in Remote PC, any help please

Dave Amies

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Dec 29, 2019, 10:10:03 PM12/29/19

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Not sure why you need to do all that? I just do this:

Open Browser about:blank ${BROWSER}

Go To ${MYURL}

where ${BROWSER} is either:

- Headless Firefox

- Headless Chrome

(https://robotframework.org/SeleniumLibrary/SeleniumLibrary.html#Open Browser)

But I don't know about running on a remote PC, can you just run the robot script on the machine you want the test to run from?

According to the doc's I linked that remote_url options is for a Selenium Grid, so I guess you first need to have the selenium grid running on the machine you want to run the test on then from your robot machine run the script that looks like:

Open Browser https://www.makemytrip.com/ Headless Chrome remote_url=http://192.168.48.201:33344/

But i've not tried this so have no idea if it'll work, good luck.

Dave.

Aliasger Kiranawala

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Dec 30, 2019, 1:07:06 AM12/30/19

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Is the issue only with Headless browser? or Chrome browser as well?

Sreeram R

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Dec 30, 2019, 6:06:21 AM12/30/19

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I am able to open it on the same machine without any issues but unable to run it on remote desktop

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Aliasger Kiranawala

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Dec 30, 2019, 7:01:58 AM12/30/19

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@Sreeram - Please check this thread - https://stackoverflow.com/questions/46812155/how-to-run-headless-remote-chrome-using-robot-framework

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Sreeram R

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Dec 30, 2019, 11:42:34 AM12/30/19

to alia...@locus.sh, robotframework-users

Hi All,

I am getting the below error. Any help please..

Starting test: VfRobot.Test Case.Juniper CSO.Creating the On Premise Spoke site
20191230 16:40:10.514 : INFO : ${chrome_options} = <selenium.webdriver.chrome.options.Options object at 0x000001B5899755C8>
20191230 16:40:10.530 : INFO : Creating an instance of the Chrome WebDriver.
20191230 16:40:11.061 : DEBUG : POST http://127.0.0.1:52239/session {"capabilities": {"firstMatch": [{}], "alwaysMatch": {"browserName": "chrome", "platformName": "any", "goog:chromeOptions": {"extensions": [], "args": ["test-type", "--disable-extensions", "--headless", "--disable-gpu", "--no-sandbox"]}}}, "desiredCapabilities": {"browserName": "chrome", "version": "", "platform": "ANY", "goog:chromeOptions": {"extensions": [], "args": ["test-type", "--disable-extensions", "--headless", "--disable-gpu", "--no-sandbox"]}}}
20191230 16:40:11.061 : DEBUG : Starting new HTTP connection (1): 127.0.0.1:52239
20191230 16:41:11.160 : DEBUG : http://127.0.0.1:52239 "POST /session HTTP/1.1" 500 965
20191230 16:41:11.160 : DEBUG : Finished Request
20191230 16:41:13.192 : INFO : Cannot capture screenshot because no browser is open.
20191230 16:41:13.192 : FAIL :
WebDriverException: Message: unknown error: DevToolsActivePort file doesn't exist

20191230 16:41:13.192 : DEBUG :
Traceback (most recent call last):
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\SeleniumLibrary\__init__.py", line 467, in run_keyword
return DynamicCore.run_keyword(self, name, args, kwargs)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\SeleniumLibrary\base\robotlibcore.py", line 102, in run_keyword
return self.keywords[name](*args, **kwargs)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\SeleniumLibrary\keywords\browsermanagement.py", line 336, in create_webdriver
driver = creation_func(**init_kwargs)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\selenium\webdriver\chrome\webdriver.py", line 81, in __init__
desired_capabilities=desired_capabilities)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 157, in __init__
self.start_session(capabilities, browser_profile)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 252, in start_session
response = self.execute(Command.NEW_SESSION, parameters)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 321, in execute
self.error_handler.check_response(response)
File "c:\users\sreeramr\appdata\local\programs\python\python37\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 242, in check_response
raise exception_class(message, screen, stacktrace)
Ending test: VfRobot.Test Case.Juniper CSO.Creating the On Premise Spoke site

CODE

Open Headless Chrome Browser to Page
[Arguments] ${remote_url}

#${chrome_options} Evaluate sys.modules['selenium.webdriver'].ChromeOptions() sys, selenium.webdriver
${chrome_options} Evaluate sys.modules['selenium.webdriver'].ChromeOptions() sys
Call Method ${chrome_options} add_argument test-type
Call Method ${chrome_options} add_argument --disable-extensions

Call Method ${chrome_options} add_argument --headless

Call Method ${chrome_options} add_argument --disable-gpu
Call Method ${chrome_options} add_argument --no-sandbox
Create Webdriver Chrome chrome_options=${chrome_options}
Set Window Size 1920 1080
Go To https://www.google.com/
#Open Browser https://www.google.com/ HeadlessChrome remote_url=http://192.168.48.201:44532/
#Sleep ${pageLoadWait}
#Maximize Browser Window
#capture page screenshot
#close browser

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