Class: Async::WebDriver::Bridge::Chrome

Inherits:
Generic
  • Object
show all
Defined in:
lib/async/webdriver/bridge/chrome.rb

Overview

A bridge to the Chrome browser using chromedriver.

“‘ ruby begin bridge = Async::WebDriver::Bridge::Chrome.start client = Async::WebDriver::Client.open(bridge.endpoint) ensure bridge&.close end “`

Instance Attribute Summary

Attributes inherited from Generic

#The status of the driver after a connection has been established., #status

Instance Method Summary collapse

Methods inherited from Generic

#endpoint, #port, start, #supported?

Constructor Details

#initialize(path: "chromedriver") ⇒ Chrome

Create a new bridge to Chrome.



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# File 'lib/async/webdriver/bridge/chrome.rb', line 25

def initialize(path: "chromedriver")
	super()
	
	@path = path
	@process = nil
end

Instance Method Details

#arguments ⇒ Object 



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# File 'lib/async/webdriver/bridge/chrome.rb', line 42

def arguments
	[
		"--port=#{self.port}",
	].compact
end

#close ⇒ Object

Close the driver.



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# File 'lib/async/webdriver/bridge/chrome.rb', line 56

def close
	super
	
	if @process
		@process.close
		@process = nil
	end
end

#default_capabilities(headless: true) ⇒ Object

The default capabilities for the Chrome browser which need to be provided when requesting a new session.



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# File 'lib/async/webdriver/bridge/chrome.rb', line 68

def default_capabilities(headless: true)
	{
		alwaysMatch: {
			browserName: "chrome",
			"goog:chromeOptions": {
				args: [headless ? "--headless" : nil].compact,
			}
		},
	}
end

#start ⇒ Object

Start the driver.



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# File 'lib/async/webdriver/bridge/chrome.rb', line 49

def start
	@process ||= ProcessGroup.spawn(@path, *arguments)
	
	super
end

#version ⇒ Object 



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# File 'lib/async/webdriver/bridge/chrome.rb', line 33

def version
	::IO.popen([@path, "--version"]) do |io|
		return io.read
	end
rescue Errno::ENOENT
	return nil
end