What is stale exception in selenium

A stale element reference exception is thrown in one of two cases, the first being more common than the second: The element has been deleted entirely. The element is no longer attached to the DOM.

What is stale exception?

A stale element reference exception is thrown in one of two cases, the first being more common than the second: The element has been deleted entirely. The element is no longer attached to the DOM.

What are the selenium exceptions?

NoSuchElementException.
NoSuchWindowException.
NoSuchFrameException.
NoAlertPresentException.
InvalidSelectorException.
ElementNotVisibleException.
ElementNotSelectableException.
TimeoutException.

How do you get rid of stale element exception?

Refreshing the page and verifying again.
Implement retry method.

What is Staleelementexception why we get this exception?

Usually StaleElementReferenceException when element we try to access has appeared but other elements may affect the position of element we are intrested in hence when we try to click or getText or try to do some action on WebElement we get exception which usually says element not attached with DOM.

What is POM model?

Page Object Model, also known as POM, is a design pattern in Selenium that creates an object repository for storing all web elements. It is useful in reducing code duplication and improves test case maintenance.

What is stale element in Selenium?

The stale element reference error is a WebDriver error that occurs because the referenced web element is no longer attached to the DOM. Every DOM element is represented in WebDriver by a unique identifying reference, known as a web element.

Can we check color in test using Selenium?

We can verify the color of a webelement in Selenium webdriver using the getCssValue method and then pass color as a parameter to it. This returnsthe color in rgba() format. … The color of the element is also provided in the hex code #797979.

What is stale element exception in protractor?

A stale element is an element that is no more attached to the DOM of a webpage. The StaleElementReference exception occurs when code tries to perform an operation on a stale element. … This will result in the StaleElementReference exception and the test will fail.

What is stale element reference element is not attached to the page document?

The element in the DOM is not found because your page is not entirely loaded when Selenium is searching for the element. To solve that, you can put an explicit wait condition that tells Selenium to wait until the element is available to be clicked on.

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What is TestNG exception?

TestNG provides an option of tracing the exception handling of code. You can test whether a code throws a desired exception or not. Here the expectedExceptions parameter is used along with the @Test annotation. Now, let’s see @Test(expectedExceptions) in action.

What is ElementNotFoundException selenium?

There is no ElementNotFoundException as such in selenium, if you are talking in #Selenium context. We have NotFoundException which is extended by : Direct Known Subclasses as: NoAlertPresentException, NoSuchCookieException, NoSuchElementException, NoSuchFrameException, NoSuchWindowException.

What are different types of exceptions?

ArithmeticException. It is thrown when an exceptional condition has occurred in an arithmetic operation.
ArrayIndexOutOfBoundsException. …
ClassNotFoundException. …
FileNotFoundException. …
IOException. …
InterruptedException. …
NoSuchFieldException. …
NoSuchMethodException.

How do you handle Staleelementreferenceexception in Appium?

catch block and if you catch StaleElementReference Exception then refresh your page using driver. navigate. refresh() and perform the same action again. If your element is going to be refreshed automatically after some time then you can also use ExpectedConditions for this scenario.

Which language is not supported by selenium?

ASP language is not supported by Selenium.

How do you handle frames?

switchTo().frame( frameNumber) This method uses the frame id as the parameter. …
switchTo().frame( frameName) This method uses the frame name as defined by the developer as the parameter. …
switchTo().frame( WebElement) This method uses the webelement as the parameter.

What are element locators?

A Web element locator is an object that finds and returns Web elements on a page using a given query. In short, locators find elements. Why are locators needed? As human users, we interact with Web pages visually: We look, scroll, click, and type through a browser.

What is element not visible exception?

ElementNotVisibleException occurs when the locators (i.e. id / xpath / css selectors etc) we have provided in the Selenium Program code is trying to find the web element which is in hidden from displaying on the page. … Note: Hidden button is the button which is not displayed on the web page User Interface.

What is the use of Fluent wait in selenium?

Fluent Wait in Selenium marks the maximum amount of time for Selenium WebDriver to wait for a certain condition (web element) becomes visible. It also defines how frequently WebDriver will check if the condition appears before throwing the “ElementNotVisibleException”.

What is TestNG?

Definition: TestNG (Test Next Generation) is the testing framework. TestNG is inspired from JUnit and NUnit, but it has a new functionality that makes this framework more powerful and easier. TestNG is designed in such a way that it covers all the categories of tests comprising unit, functional and integration.

What is TestNG in Selenium?

TestNG in Selenium is a Java testing framework, inspired by JUnit and NUnit. It overcomes the constraints and disadvantages of JUnit. … From simple unit testing to complex integrated testing, it is designed to simplify all our testing requirements such as functional testing, regression, end-to-end testing, and more.

What is Apache POI Selenium?

Apache POI is the most commonly used API for Selenium data driven tests. POI is a set of library files that gives an API to manipulate Microsoft documents like . xls and . xlsx. It lets you create, modify, read and write data into Excel.

What is Selenium automation testing tool?

Selenium is an open-source tool that automates web browsers. It provides a single interface that lets you write test scripts in programming languages like Ruby, Java, NodeJS, PHP, Perl, Python, and C#, among others.

How do I run a batch file in selenium WebDriver?

Process batch = Runtime.getRuntime.exec(“path of the batch file”);
batch.waitFor();

How do you find a webpage background color in selenium?

String css = driver. findElement(By. Xpath(“..blah../img”). getCSSValue(“background-color”);

How does selenium detect background image?

driver. FindElement(By. XPath(“//div[contains(@style, ‘background-image: url(quot;);’)]”)).isdisplayed(); This will return true if the element is displayed.

How do you know if an element is highlighted in selenium?

Hey Karan, you can use following code snippet to check whether a text is highlighted on a page using Selenium: String color = driver. findElement(By. xpath(“//a[text()=’Shop’]”)).

What is click intercepted Exception?

ElementClickInterceptedException occurs when the target element that you want to click is overlaid by some other element in the web page. Exception in thread “main” org. openqa. selenium.

What does the test timeOut mean in TestNG?

The timeOut is a helper attribute in TestNG that can put an end to the execution of a test method if that method takes time beyond the timeOut duration. A timeOut time is set in milliseconds, after that the test method will be marked Failed.

Does TestNG run tests in parallel?

TestNG allows the tests to run in parallel or concurrent mode. This means that based on the test suite configuration, different threads are started simultaneously and the test methods are executed in them.

What is invocation count in TestNG?

Invocation count determines how many times test will execute. For EX: Execute test 7 times. import org.testng.annotations.Test; public class MultipletimesRun { @Test(invocationCount=7)