Module: Selenium::WebDriver::DriverExtensions::TakesScreenshot Private

Included in:
Chrome::Driver, Edge::Driver, Firefox::Legacy::Driver, Firefox::Marionette::Driver, IE::Driver, Remote::Driver, Safari::Driver
Defined in:
build/rb/lib/selenium/webdriver/common/driver_extensions/takes_screenshot.rb

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Instance Method Summary collapse

Instance Method Details

#save_screenshot(png_path) ⇒ Object

Save a PNG screenshot to the given path



32
33
34
35
36
37
38
39
# File 'build/rb/lib/selenium/webdriver/common/driver_extensions/takes_screenshot.rb', line 32

def save_screenshot(png_path)
  extension = File.extname(png_path).downcase
  if extension != '.png'
    WebDriver.logger.warn "name used for saved screenshot does not match file type. "\
                          "It should end with .png extension"
  end
  File.open(png_path, 'wb') { |f| f << screenshot_as(:png) }
end

#screenshot_as(format) ⇒ Object

Return a PNG screenshot in the given format as a string

Parameters:

  • format (:base64, :png)

Returns:

  • String screenshot



49
50
51
52
53
54
55
56
57
58
# File 'build/rb/lib/selenium/webdriver/common/driver_extensions/takes_screenshot.rb', line 49

def screenshot_as(format)
  case format
  when :base64
    bridge.screenshot
  when :png
    bridge.screenshot.unpack('m')[0]
  else
    raise Error::UnsupportedOperationError, "unsupported format: #{format.inspect}"
  end
end