Class: Gnawrnip::Screenshot

Inherits:
Object
  • Object
show all
Defined in:
lib/gnawrnip/screenshot.rb

Class Method Summary collapse

Class Method Details

.session ⇒ Object 



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# File 'lib/gnawrnip/screenshot.rb', line 44

def session
  Capybara.current_session
end

.shot ⇒ Tempfile

Returns:

  • (Tempfile) 


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# File 'lib/gnawrnip/screenshot.rb', line 51

def shot
  Tempfile.open(['gnawrnip', '.png']) do |fp|
    session.save_screenshot(fp.path)
    fp
  end
end

.take(wait_second = Capybara.default_max_wait_time) ⇒ Tempfile

Screenshot of current capybara session

When browser is still loading page, raise follow exception (maybe…)

Selenium::WebDriver::Error::UnknownError:
  Could not take screenshot of current page - TypeError: c is null

So, to retry during wait_second seconds.

Examples:

image = Gnawrnip::Screenshot.take

Parameters:

  • wait_second (Fixnum) (defaults to: Capybara.default_max_wait_time) —

    Second to repeat the retry

Returns:

  • (Tempfile) —

    Image file of screenshot



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# File 'lib/gnawrnip/screenshot.rb', line 24

def take(wait_second = Capybara.default_max_wait_time)
  start_time = Time.now

  begin
    shot
  rescue Capybara::NotSupportedByDriverError => e
    raise e
  rescue => e
    if (Time.now - start_time) < wait_second
      sleep(0.3)
      retry
    end

    $stderr.puts "WARNING: Timeout!! Can't take screenshot"
    $stderr.puts "  #{e}"

    nil
  end
end