Class: Simulacrum::Renderer

Inherits:
Object
  • Object
show all
Includes:
Capybara::DSL
Defined in:
lib/simulacrum/renderer.rb

Overview

The Renderer Class is responsible for driving Capybara and setting up the desired page, screenshotting, croping, etc.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url) ⇒ Renderer

Returns a new instance of Renderer.



13
14
15
16
 
# File 'lib/simulacrum/renderer.rb', line 13

def initialize(url)
  @url = url
  @tmp_dir = Dir.mktmpdir
end

Instance Attribute Details

#url ⇒ Object (readonly)

Returns the value of attribute url.



11
12
13
 
# File 'lib/simulacrum/renderer.rb', line 11

def url
  @url
end

Instance Method Details

#cleanup ⇒ Object 



24
25
26
 
# File 'lib/simulacrum/renderer.rb', line 24

def cleanup
  FileUtils.remove_entry(@tmp_dir)
end

#get_bounds_for_selector(selector) ⇒ Object 



28
29
30
31
32
33
 
# File 'lib/simulacrum/renderer.rb', line 28

def get_bounds_for_selector(selector)
  element = page.find(selector.to_s)
  location = element_location(element)
  size = element_size(element)
  [location.x, location.y, size.width, size.height]
end

#render ⇒ Object 



18
19
20
21
22
 
# File 'lib/simulacrum/renderer.rb', line 18

def render
  page.visit(url)
  resize_window!
  save_screenshot!
end