Class: AutoBrewster::Screenshot

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(server, path, url_paths, screen_widths) ⇒ Screenshot

Returns a new instance of Screenshot.



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# File 'lib/auto_brewster/screenshot.rb', line 9

def initialize(server, path, url_paths, screen_widths)
  @server = server
  @path = path
  @url_paths = url_paths
  @screen_widths = screen_widths
end

Instance Attribute Details

#failed_fast ⇒ Object

Returns the value of attribute failed_fast.



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# File 'lib/auto_brewster/screenshot.rb', line 3

def failed_fast
  @failed_fast
end

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/auto_brewster/screenshot.rb', line 3

def path
  @path
end

#screen_widths ⇒ Object

Returns the value of attribute screen_widths.



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# File 'lib/auto_brewster/screenshot.rb', line 3

def screen_widths
  @screen_widths
end

#server ⇒ Object

Returns the value of attribute server.



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# File 'lib/auto_brewster/screenshot.rb', line 3

def server
  @server
end

#url_paths ⇒ Object

Returns the value of attribute url_paths.



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# File 'lib/auto_brewster/screenshot.rb', line 3

def url_paths
  @url_paths
end

Instance Method Details

#capture(output_directory) ⇒ Object 



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# File 'lib/auto_brewster/screenshot.rb', line 16

def capture(output_directory)
  @url_paths.each do |label, path|
    @screen_widths.each do |width|
      output_path = get_output_path(output_directory, label, width)
      if File.exist?(output_path)
        puts "Screenshot already exists for #{label} at #{width}. Skipping..."
      else
        puts `phantomjs #{snap_js_path} "#{get_url(path)}" "#{width}" "#{output_path}"`
      end
    end
  end
end

#check_source_compare_screens_exist(label, width) ⇒ Object 



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# File 'lib/auto_brewster/screenshot.rb', line 55

def check_source_compare_screens_exist(label, width)
  [get_output_path(:source, label, width), get_output_path(:compare, label, width)].each do |path|
    raise "Screenshot at #{path} does not exist" unless File.exist?(path)
  end
end

#clear_compare_screens ⇒ Object 



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# File 'lib/auto_brewster/screenshot.rb', line 65

def clear_compare_screens
  clear_screenshot_directory(:compare)
end

#clear_diff_screens ⇒ Object 



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# File 'lib/auto_brewster/screenshot.rb', line 69

def clear_diff_screens
  clear_screenshot_directory(:diff)
end

#clear_source_screens ⇒ Object 



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# File 'lib/auto_brewster/screenshot.rb', line 61

def clear_source_screens
  clear_screenshot_directory(:source)
end

#compare_captured_screens(failfast = false) ⇒ Object 



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# File 'lib/auto_brewster/screenshot.rb', line 29

def compare_captured_screens(failfast = false)
  create_diff_dir
  failures = 0

  @url_paths.each do |label, path|
    @screen_widths.each do |width|
      check_source_compare_screens_exist(label, width)

      source_path = get_output_path(:source, label, width)
      compare_path = get_output_path(:compare, label, width)
      diff_path = get_output_path(:diff, label, width)

      output = `compare -fuzz 20% -metric AE -highlight-color blue #{source_path} #{compare_path} #{diff_path} 2>&1`

      failures += get_failure_count(output, label, width)

      if failfast
        @failed_fast = true
        exit 1
      end
    end
  end

  exit 1 if failures > 0
end