Top 10 Selenium Interview Questions with answers (2021).

What is the major difference between “assert” and “verify” cmd's in Selenium?

Both “assert” and “verify” commands check whether the given condition is true or false :

• Assert: It stops the execution of the testing if the given condition is false else continue with the further tests.

 Example: assertEquals (expectedMessage, actualMessage);

• Verify: It doesn’t stop the flow of execution irrespective of the condition being true or false. 

What is the difference between driver.close() and driver.quit() command in Selenium?

• driver.close() It closes the currently active window on which the user is working.

• driver.quit() It closes all the windows opened by the driver.

Note: Both the commands don’t take any parameter and don’t return any value either.

How can we create right-click and mouse hover actions in Selenium?

This code can replicate right-click action:

 Actions action = new Actions(driver);

 WebElement element = driver.findElement( By.id("elementId")); 

 action.contextClick( element).perform(); 

This code can replicate mouse hover action:

 Actions action = new Actions(driver);

 WebElement element = driver.findElement ( By.id("elementId"));

 action.moveToElement( element).perform();

Different types of Locating strategies in Selenium ?

Locating by ID:

driver.findElement(By.id("q"));

Location by Name:

driver.findElement(By.name("q"));

Location by Xpath:

driver.findElement( By.xpath("//input[@id==’neptune’]));

Locating Hyperlinks by Link Text:

driver.FindElement(By.LinkText ("edit this page")).Click();

Locating by ClassName:

driver.findElement( By.className("Header"));

Locating by TagName:

driver.findElement( By.tagName("select') ).click();

Locating by LinkText:

driver.findElement( By.linkText("NeptuneWorld") ).click();

Locating by PartialLinkText:

driverlindElement( By.partialLinkText("Neptune") ).click();

What is the Syntax for defining explicit and Implicit wait for 10 seconds ?

Explicit Wait :

WebDriverWait wait = new WebDriverWait(driver, 10);

WebElement messageElement = wait.until(

ExpectedConditions .presenceofElementLocated(

By.id(”loginToNeptuneworld")));

Implicit wait :

driver.manage().timeouts().implicitlyWait(10, TimeUnit.SECONDS);

What are the different types of navigation commands ?

1. driver.navigate().refresh(); - This method refreshes the current page.

2. driver.navigate().to( "https://neptuneworld.in/"); - Navigates to the provided URL.

3. driver.navigate().forward(); - This method does the same operation as clicking on the Forward Button of any browser. It neither accepts nor returns anything.

4. driver.navigate().back(); - This method does the same operation as clicking on the Back Button of any browser. It neither accepts nor returns anything.

How to scroll down a page using JavaScript?

First, create a JavaScript object.

   JavascriptExecutor js = (JavascriptExecutor) driver;

Now, Scroll down to the desired location.

   js.executeScript( "window.scrollBy(0,1000)"); 

The window is scrolled vertically by 1000 pixels

Is there a way to type in a textbox without using sendKeys()?

Yes! Text can be entered into a textbox using JavaScriptExecutor

JavascriptExecutor js = (JavascriptExecutor) driver;

js.executeScript( "document.getElementById( ‘email').value=

“[email protected]”);

How to select a value from a dropdown in Selenium WebDriver?

WebElement dp = driver.findElement( By.id("testingDropdown"));

Select dropdown = new Select(dp);

dropdown.selectByIndex(5);

or

dropdown.selectByValue(“Neptune”);

or

dropdown.selectByVisibleText(“Neptune World”);

How to upload a file in Selenium WebDriver? 

Browse button located:

  WebElement browseBtn = driver.findElement( By.id("uploadfile"));

Pass the path of the file to be uploaded using sendKeys methods:

browseBtn.sendKeys("D:\\neptune.txt");

I Hope you got something from this article !!

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Thanks for Reading!!