Screenshot helper for system testing.

Methods

Instance Public methods

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.

📝 Source code 
# 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
🔎 See on GitHub

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:

📝 Source code 
# File actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb, line 24
        def take_screenshot
          save_image
          puts display_image
        end
🔎 See on GitHub