Class: Watir::Browser

Inherits:
Object
  • Object
show all
Defined in:
lib/watir-webdriver-performance.rb

Instance Method Summary collapse

Instance Method Details

#performance ⇒ Object 



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# File 'lib/watir-webdriver-performance.rb', line 88

def performance
  data = case driver.browser
  when :internet_explorer
    Object::JSON.parse(driver.execute_script("return JSON.stringify(window.performance.toJSON());"))
  else
    driver.execute_script("return window.performance || window.webkitPerformance || window.mozPerformance || window.msPerformance;")
  end
  raise 'Could not collect performance metrics from your current browser. Please ensure the browser you are using supports collecting performance metrics.' if data.nil?
  PerformanceHelper.new(data).munge
end

#performance_supported? ⇒ Boolean Also known as: performance_data

Returns:

  • (Boolean) 


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# File 'lib/watir-webdriver-performance.rb', line 99

def performance_supported?
  driver.execute_script("return window.performance || window.webkitPerformance || window.mozPerformance || window.msPerformance;")
end

#with_performance {|PerformanceHelper.new(performance_data).munge| ... } ⇒ Object

Yields:



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# File 'lib/watir-webdriver-performance.rb', line 104

def with_performance
   yield PerformanceHelper.new(performance_data).munge if performance_supported?
end