Module: LapisLazuli::BrowserModule::Screenshots

Included in:
LapisLazuli::Browser
Defined in:
lib/lapis_lazuli/browser/screenshots.rb

Overview

Screenshot functionality for browser

Instance Method Summary collapse

Instance Method Details

#screenshot_name(suffix = "") ⇒ Object

Returns the name of the screenshot, if take_screenshot is called now.



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# File 'lib/lapis_lazuli/browser/screenshots.rb', line 17

def screenshot_name(suffix="")
  dir = world.env_or_config("screenshot_dir")

  # Generate the file name according to the new or old scheme.
  case world.env_or_config("screenshot_scheme")
  when "new"
    # For non-cucumber cases: we don't have world.scenario.data
    if not world.scenario.data.nil?
      name = world.scenario.id
    end
    # FIXME random makes this non-repeatable, sadly
    name = "#{world.scenario.time[:iso_short]}-#{@browser.object_id}-#{name}-#{Random.rand(10000).to_s}.png"
  else # 'old' and default
    # For non-cucumber cases: we don't have world.scenario.data
    if not world.scenario.data.nil?
      name = world.scenario.data.name.gsub(/^.*(\\|\/)/, '').gsub(/[^\w\.\-]/, '_').squeeze('_')
    end
    name = world.time[:timestamp] + "_" + name + '.png'
  end

  # Full file location
  fileloc = "#{dir}#{File::SEPARATOR}#{name}"

  return fileloc
end

#take_screenshot(suffix = "") ⇒ Object

Taking a screenshot of the current page. Using the name as defined at the start of every scenario



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# File 'lib/lapis_lazuli/browser/screenshots.rb', line 46

def take_screenshot(suffix="")
  # If the target directory does not exist, create it.
  dir = world.env_or_config("screenshot_dir")
  begin
    Dir.mkdir dir
  rescue SystemCallError => ex
    # Swallow this error; it occurs (amongst other situations) when the
    # directory exists. Checking for an existing directory beforehand is
    # not concurrency safe.
  end

  fileloc = self.screenshot_name(suffix)

  # Write screenshot
  begin
    # Save the screenshot
    @browser.screenshot.save fileloc
    world.log.debug "Screenshot saved: #{fileloc}"

    # Try to store the screenshot name
    if world.respond_to? :annotate
      world.annotate :screenshot => fileloc
    end
  rescue RuntimeError => e
    world.log.debug "Failed to save screenshot to '#{fileloc}'. Error message #{e.message}"
  end
  return fileloc
end