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Module: ActionDispatch::SystemTesting::TestHelpers::ScreenshotHelper

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In:
::ActionDispatch::SystemTestCase
Defined in: actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb

Overview

Screenshot helper for system testing.

Instance Method Summary

Instance Method Details

#take_failed_screenshot

Takes a screenshot of the current page in the browser if the test failed.

take_failed_screenshot is included in application_system_test_case.rb that is generated with the application. To take screenshots when a test fails add take_failed_screenshot to the teardown block before clearing sessions.

[ GitHub ] 

  


# File 'actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb', line 36



def take_failed_screenshot
  take_screenshot if failed? && supports_screenshot?
end


  








  

    #take_screenshot  
  



  

    

Takes a screenshot of the current page in the browser.



take_screenshot can be used at any point in your system tests to take a screenshot of the current state. This can be useful for debugging or automating visual testing.



The screenshot will be displayed in your console, if supported.



You can set the RAILS_SYSTEM_TESTING_SCREENSHOT environment variable to control the output. Possible values are:



  



  [ GitHub ]


  

  


# File 'actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb', line 24



def take_screenshot
  save_image
  puts display_image
end