How to make Python selenium interact with an existing browser session?
To make Python Selenium interact with an existing browser session, we open the driver and the connect to the session with the given session ID. Then we close the driver and connect to it with the session with
Why do we want selenium to connect to a previously opened browser?
Sometimes we come across scenarios where we want Selenium to connect to and use an existing browser that was previously opened manually or by some other program. Why do we want Selenium to connect to a previously opened browser? Maybe you want to perform some tasks that require manual intervention before kicking in automation execution.
How to create a selenium driver for a local browser?
To create that Driver, you only need to know the "session info", i.e. address of the server (local in our case) where the browser is running and the browser session id. To get these details, we can create one browser session with selenium, open the desired page, and then finally run the actual test script.
How can we interact with an existing browser session?
We can interact with an existing browser session. This is performed by using the Capabilities and ChromeOptions classes. The Capabilities class obtains the browser capabilities with the help of the getCapabilities method.
Can Selenium interact with an existing browser session C #?
We can interact with an existing browser session. This is performed by using the Capabilities and ChromeOptions classes. The Capabilities class obtains the browser capabilities with the help of the getCapabilities method.
How do I keep a browser session alive in Selenium?
We can keep a session alive for long Selenium scripts in automation. In Chrome browser, this can be achieved with the help of the ChromeOptions and Capabilities classes. Capabilities class can get the capabilities of the browser by using the method – getCapabilities.
How do I open multiple browser instances using the same session in Selenium?
You can invoke multiple browser sessions by just creating multiple driver objects, and managing them. Each session will be separate if you want them to be. Grid is for scaling as there is a limitation on the no of browser instances you can run keeping your machine performance intact and tests stable.
Can I navigate back and forth in a browser in Selenium WebDriver?
WebDriver provides some basic Browser Navigation Commands that allows the browser to move backwards or forwards in the browser's history. Just like the browser methods provided by WebDriver, we can also access the navigation methods provided by WebDriver by typing driver. navigate() in the Eclipse panel.
How do I run a Selenium script on already open browser?
How To Execute Selenium Scripts On Already Opened BrowserStep 1- Start Chrome in debug mode.Navigate to chrome directory using the cd command. cd C:\Program Files (x86)\Google\Chrome\Application.Step 2- Execute Selenium test on port 9222.
How do I keep my browser session alive?
Background page request Set the Background trigger URL as your website dashboard/ welcome URL, set the Interval and save. Navigate to the Trigger URL in a New Tab and Your session is now alive!
How does Selenium handle third window?
Set the system property to Chromedriver and specify its path.Instantiate the webdriver to the new chromedriver.Get the URL of the web page and maximize the page.Get the window handle of the parent window.Get the window handles of all the windows.More items...•
What is cross browser testing in Selenium?
What is Cross Browser Testing in Selenium? Cross browser testing refers to testing a website in multiple browsers like IE, Chrome, Firefox to check its efficacy on each. Cross-browser compatibility is the ability of the website or web application to function across different browsers and operating systems.
How do I run a test on multiple browsers in parallel?
To execute test cases with different browsers in the same machine at the same time we can integrate Testng framework with Selenium WebDriver. Here because the testing. xml has two Test tags ('ChromeTest','FirefoxTest'),this test case will execute two times for 2 different browsers.
What is the difference between GET and navigate in Selenium?
get() is used to navigate particular URL(website) and wait till page load. driver. navigate() is used to navigate to particular URL and does not wait to page load. It maintains browser history or cookies to navigate back or forward.
How do I switch between browsers in Selenium?
We can switch different browser tabs using Selenium webdriver in Python using the method switch_to. window. By default, the webdriver has access to the parent window. Once another browser tab is opened, the switch_to.
What are the exceptions in Selenium?
Most Common Selenium ExceptionsNoSuchWindowException.NoSuchFrameException.NoSuchElementException.NoAlertPresentException.InvalidSelectorException.TimeoutException.ElementNotVisibleException.ElementNotSelectableException.More items...
How do I open multiple Chrome browsers in Selenium WebDriver?
Open Multiple Tabs Use One WebDriver Object. Send "Ctrl+t" command to body element to open a new browser tab. Send "Ctrl+2" command to navigate to the second browser tab. Change the URL to google.com for the second browser tab. Get the body web element in the second browser tab.
How do I open two tabs in Selenium?
How to handle Multiple Tabs in SeleniumOpen the Amazon URL.Search for “Headphones” in the search bar.Save the URL of Headphones.Open a new tab.Switch to the new tab and launch the stored URL.
How do you run multiple tests in Selenium?
We can run multiple test cases using TestNG test suite in Selenium webdriver. To execute test cases simultaneously, we have to enable parallel execution in TestNG. A TestNG execution is driven by the TestNG xml file. To trigger parallel execution we have to use the attributes – parallel and thread-count.
How is multithreading implemented in Selenium?
Selenium can use multi−threading in one browser with the help of TestNG framework. TestNG provides the feature of parallel execution which works on the concept of Java multi−threading. To execute tests based on various parameters, the TestNG has an XML file where we have the configurations.
Why do we want Selenium to connect to a previously opened browser?
Maybe you want to perform some tasks that require manual intervention before kicking in automation execution. For instance, we may need to manually launch the browser, navigate to the desired page, perform some manual tasks like entering captcha manually and then run the automation script to continue from there.
Prerequisite: Add Chrome to PATH
Please make sure the path to chrome’s executable is added to the environment variable PATH. You can check it by running the command chrome.exe (on Windows) or Google/ Chrome ( on Mac). It should launch the Chrome browser.
Step 1: Launch browser with custom flags
To enable Chrome to open a port for remote debugging, we need to launch it with a custom flag –
Step 2: Launch browser with options
Here is that simple but magical Java and Python code. You can easily convert it into a Programming language of your choice.
Troubleshooting
Confirm, if you have launched the browser the same way as described in the tutorial – Check this section Manually go to www.google.com in the same browser window Launch a new browser window normally (without any flag), and navigate to http://127.0.0.1:9222 Confirm if you see the Google homepage reference in the second browser window
Can you use Selenium in multiple tests?
You can achieve it by using same selenium instance in multiple test. That requires some code design that controls start and stop selenium. We are using ISFW that provides a way using java so that's for sure it is possible with some efforts in python as well.
Can you use Selenium 2 with WebDriver?
This is possible with Selenium 2 and WebDriver. I'm not sure if it is with different versions. In Selenium 2 with WebDriver you can call webDriver = new FirefoxDriver () which spawns a browser, and that browser will stay open for the duration of your testing, or you can choose to close it with webDriver.Quit ().
Is a static global webdriver bad?
Using a static global webdriver object was bad programming practice. My driver was part of a Utility class extended by all tests and therefore my test classes could not extend any other class. You can get around this my using Scala and/or JDK1.8 because they have the "defender method" interface feature, but since I am using JDK1.7, I needed to do this the right way.