Class: DotDiff::ElementHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/dotdiff/element_handler.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(driver, elements = DotDiff.js_elements_to_hide) ⇒ ElementHandler

Returns a new instance of ElementHandler.



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# File 'lib/dotdiff/element_handler.rb', line 5

def initialize(driver, elements = DotDiff.js_elements_to_hide)
  @driver = driver
  @elements = elements
end

Instance Attribute Details

#driver ⇒ Object

Returns the value of attribute driver.



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# File 'lib/dotdiff/element_handler.rb', line 3

def driver
  @driver
end

Instance Method Details

#element_exists?(xpath) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dotdiff/element_handler.rb', line 31

def element_exists?(xpath)
  # TODO: Allow custom overriding beyond Capybara.default_max_wait_time
  driver.find(:xpath, xpath, wait: 2, visible: :all) rescue nil
end

#elements ⇒ Object 



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# File 'lib/dotdiff/element_handler.rb', line 36

def elements
  @elements ||= []
end

#hide ⇒ Object 



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# File 'lib/dotdiff/element_handler.rb', line 10

def hide
  elements.each do |xpath|
    if element_exists?(xpath)
      driver.execute_script("#{js_element(xpath)}.style.visibility = 'hidden'")
    end
  end
end

#js_element(xpath) ⇒ Object 



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# File 'lib/dotdiff/element_handler.rb', line 26

def js_element(xpath)
  "document.evaluate(\"#{xpath}\", "\
  "document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue"
end

#show ⇒ Object 



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# File 'lib/dotdiff/element_handler.rb', line 18

def show
  elements.each do |xpath|
    if element_exists?(xpath)
      driver.execute_script("#{js_element(xpath)}.style.visibility = ''")
    end
  end
end