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How to use extract_service_args method of Selenium.WebDriver Package

Best Selenium code snippet using Selenium.WebDriver.extract_service_args

service.rb

...59        args ||= []60        @executable_path = binary_path(path)61        @host = Platform.localhost62        @port = Integer(port)63        @extra_args = args.is_a?(Hash) ? extract_service_args(args) : args64        raise Error::WebDriverError, "invalid port: #{@port}" if @port < 165      end66      def launch67        sm = ServiceManager.new(self)68        sm.start69        sm70      end71      def shutdown_supported72        self.class::SHUTDOWN_SUPPORTED73      end74      protected75      def extract_service_args(driver_opts)76        driver_opts.key?(:args) ? driver_opts.delete(:args) : []77      end78      private79      def binary_path(path = nil)80        path = path.call if path.is_a?(Proc)81        path ||= Platform.find_binary(self.class::EXECUTABLE)82        raise Error::WebDriverError, self.class::MISSING_TEXT unless path83        Platform.assert_executable path84        path85      end86    end # Service87  end # WebDriver88end # Selenium...

w3c_bridge.rb

Source: w3c_bridge.rb

...23      class W3CBridge < Remote::W3CBridge24        def initialize(opts = {})25          caps = opts[:desired_capabilities] ||= Remote::W3CCapabilities.firefox26          Binary.path = caps[:firefox_binary] if caps[:firefox_binary]27          @service = Service.default_service(*extract_service_args(opts))28          @service.start29          opts[:url] = @service.uri30          super31        end32        def browser33          :firefox34        end35        def driver_extensions36          [37            DriverExtensions::TakesScreenshot,38            DriverExtensions::HasInputDevices,39            DriverExtensions::HasWebStorage40          ]41        end42        def quit43          super44        ensure45          @service.stop if @service46        end47        private48        def extract_service_args(opts)49          service_log_path = opts.delete(:service_log_path)50          service_log_path ? ["--log-path=#{service_log_path}"] : []51        end52      end # W3CBridge53    end # Firefox54  end # WebDriver55end # Selenium...

bridge.rb

Source: bridge.rb

...25          opts[:desired_capabilities] ||= Remote::Capabilities.safari26          port = opts.delete(:port) || Service::DEFAULT_PORT27          service_args = opts.delete(:service_args) || {}28          driver_path = opts.delete(:driver_path) || Safari.driver_path(false)29          @service = Service.new(driver_path, port, *extract_service_args(service_args))30          @service.start31          opts[:url] = @service.uri32          super(opts)33        end34        def quit35          super36        ensure37          @service.stop if @service38        end39        private40        def extract_service_args(args = {})41          args.key?(:port) ? ["--port=#{args[:port]}"] : []42        end43      end # Bridge44    end # Safari45  end # WebDriver46end # Selenium...

StackOverFlow community discussions

Questions

Discussion

Ruby TestCase: Define instance variable in `self.startup` method

Put the Xpath element's text to array

Getting "unknown encoding name" error during Selenium startup on Windows with Ruby

Watir wont wait for page to be loaded

Is it possible to disable wait time for watir?

How to scroll within a table using watir-scroll

How to hover over an image using capybara and selenium

Using selenium-client to click a button that is part of a form

Ruby/Selenium xpath html attribute

Error trying to run Selenium with IE 8

The error is because you try to access instance variable @browser, which is defined on class level. Because startup and shutdown are class methods, @browser is class variable accordingly.

You can use @@browser to access class variables from instance level.

class GoogleTestCase < BaseTestCase

    def test_search
        @@browser.find_element(:name, 'q').send_keys "Hello Ruby"
        @@browser.find_element(:name, 'btnK')
    end

end

Keep in mind, that @@browser is the same across all instances of such class.

Also, you can encapsulate the way you access the browser variable in helper method:

class BaseTestCase < Test::Unit::TestCase
    def self.startup
        @browser = Selenium::WebDriver.for :chrome
        @browser.get('https://google.com')
    end

    def self.shutdown
        @browser.quit
    end

    def browser
      @@browser
    end
end

class GoogleTestCase < BaseTestCase

    def test_search
        browser.find_element(:name, 'q').send_keys "Hello Ruby"
        browser.find_element(:name, 'btnK')
    end

end

https://stackoverflow.com/questions/45982266/ruby-testcase-define-instance-variable-in-self-startup-method

You should get all of the link elements you want (using find_elements). Then you can iterate over each link and collect its text into an array (Ruby has a collect method that helps with this).

# Get all of the link elements within the div
skill_links = driver.find_elements(:xpath, "//div[contains(@class, 'jsSkills')]/a")

# Create an array of the text of each link
skill_text_array = skill_links.collect(&:text)
p skill_text_array
#=> ["software-testing", "software-qa-testing", "blog-writing"]

https://stackoverflow.com/questions/20053844/put-the-xpath-elements-text-to-array

The waiting for the page to load is controlled by the page load strategy. By default, it is set to "normal", which waits for the document readiness state to be "complete". You can set the strategy to "none" to remove the waiting. Some of the browsers/drivers also support an "eager" strategy that waits for the browser to be in the "interactive" state.

require 'webdrivers'
require 'watir'

browser = Watir::Browser.new :chrome, page_load_strategy: 'none'
browser.goto 'www.google.com'
p browser.ready_state
#=> "loading"

See https://w3c.github.io/webdriver/#navigation for more details.

https://stackoverflow.com/questions/56063876/is-it-possible-to-disable-wait-time-for-watir

Making an element scrollable is often done by setting the overflow style. It is likely on a div that contains the table. For example:

<html>
  <body>
    <div style="overflow:scroll; height:250px;">
      <table>
        <tr height="200px"><td>Cell A</td></tr>
        <tr height="200px"><td>Cell B</td></tr>
        <tr height="200px"><td>Cell C</td></tr>
        <tr height="200px"><td>Cell D</td></tr>
     </table>
    </div>
  </body>
</html>

There are no built-in methods in Watir (at least as of v6.17.0) for scrolling an element. However, there are still some workarounds.

Set scrollTop

You can set the scroll position of the element by setting its scrollTop property:

# Get the element that has the overflow property
div = browser.div                                                                                      

# Scroll to a specific point
div.execute_script('arguments[0].scrollTop = 100;', div) 

# Scroll down a certain amount
div.execute_script('arguments[0].scrollTop += 50;', div)

Send Keys

Depending how your application is listening for the scrolled event, setting the scrollTop might not trigger the loading of rows. An approach that is more likely to be detected is by sending the :down or :page_down keyboard keys - ie more like a real user.

It looks like both Watir and Selenium-WebDriver prevent using #send_keys for this (throws not interactable errors), so you'll need to use the action builder:

# Get the element that has the overflow property
div = browser.div

# Scroll down a bit
browser.wd.action.send_keys(div.wd, :down).perform  
browser.wd.action.send_keys(div.wd, :page_down).perform  

# Scroll to the bottom
browser.wd.action.send_keys(div.wd, :end).perform

https://stackoverflow.com/questions/63714913/how-to-scroll-within-a-table-using-watir-scroll

selenium.click("//input[@name='commit' and @value='#{button}']")

(told you it was simple)

https://stackoverflow.com/questions/1690610/using-selenium-client-to-click-a-button-that-is-part-of-a-form

That is not attribute. Using proper selector and getting text should work

Selector: h2>em

Use

title = driver.find_element(:css, "h2>em").text

https://stackoverflow.com/questions/31086135/ruby-selenium-xpath-html-attribute

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