Screenshot helper for system testing.
# 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
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.
# File actionpack/lib/action_dispatch/system_testing/test_helpers/screenshot_helper.rb, line 24 def take_screenshot save_image puts display_image end
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:
Only displays the screenshot path. This is the default value.
Display the screenshot in the terminal using the iTerm image protocol (iterm2.com/documentation-images.html).
Display the screenshot in the terminal, using the terminal artifact format (buildkite.github.io/terminal/inline-images/).
© 2004–2018 David Heinemeier Hansson
Licensed under the MIT License.