Selenium Interview Question Part – 1

July 11, 2016

Here is the first list of Interview Questions frequently asked in Selenium Interviews.

Ques 1: What is difference between close() and quit() method?

  • The close() method is to close the currently active window of the browser.
  • The quit() method is to close all the windows session.

Ques 2: What are different navigate commands?

  • navigate.to(URL) – To navigate to a particular URL.
  • navigate.back() – To navigate back to a URL in browsing history.
  • navigate.forward() – To navigate forward to a URL in browsing history.
  • navigate.refresh() – To reload the page.

Ques 3: What are different get commands in Selenium WebDriver?

  • getTitle() – To get the title of the page.
  • getCurrentUrl() – To get the current URL of the page.
  • getPageSource() – To get the HTML code of a page.
  • getText() – To get the text from a WebElement.
  • getAttribute() – To fetch the value of an attribute from HTML code of a WebElement.
  • getWindowHandle() – This method returns a unique session id assigned to the currently active window.
  • getWindowHandles() – This method returns a set of session id’s assigned to all the windows opened.

Ques 4: What is the command to delete all cookies from a browser?

  • deleteAllCookies() method is used to delete all the cookies from a browser.

Ques 5: How to clear text from a textbox?

  • clear() method is used to clear textbox.

Ques 6: What are different Identifiers used in Selenium WebDriver?

There are 8 Locator’s or Identifiers in Selenium WebDriver:

  • By.id
  • By.name
  • By.classname
  • By.tagname
  • By.cssselector
  • By.xpath
  • By.linktext
  • By.partiallinktext

Ques 7: What is the difference between “/” and “//” ?

  • “/” is used to access the immediate child of a tag whereas “//” is used access any child of a Tag.
  • “/” is used in absolute xpath and “//” is used in writing relative xpath.

For Example:

html/body/table/tbody/tr[2]/td/input – This is an example of absolute xpath. we are navigating to input tag by accessing immediate childs.

//input[@type=’text’] – This is an example of relative xpath. It represents firt input tag with type=’text’

Ques 8: What is the return type  of findElement() and findElements()?

  • findElement() method returns a unique WebElement.
  • findElements() method returns a list of all the matching WebElements.

Ques 9: How to launch Internet Explorer and Chrome Driver?

  • Launching Internet Explorer Driver:
  • Launching Chrome Driver:

Ques 10: How to get the text from a WebElement?

  • getText() – This method is used to get the text from a WebElement.

Ques 11: Write a code get number of links on a page?

Ques 12: How to perform Double click operation using Selenium WebDriver?

  • Actions class from Selenium WebDriver has a method doubleClick() which is used to perform double click operation.

Ques 13: What is the significance of contextClick() method in Selenium?

  • contextClick() method is used to perform Right Click event of Mouse Operation.
  • Actions class from Selenium WebDriver has this  method “contextClick()” which performs Right Click.

Ques 14: Is WebElement an Interface or a Class?

  • WebElement is an Interface.

Ques 15: What is the method used to verify whether a Checkbox/Radio button is checked on not?

  • isSelected() – method is used to verify whether a checkbox or a radio is checked or not.

Ques 16: How to verify that a WebElement is greyed out or not?

  • isEnabled() – method is used to verify whether a WebElement is greyed out or not.

Ques 17: How to handle a Dropdown in Selenium WebDriver?

  • Select class from Selenium WebDriver is used to handle Dropdown.

Now this dropdown object of class Select has below methods to work with on a Dropdown:

  • selectByValue(“value”); – Selects an option by value from a dropdown.
  • selectByVisibleText(“text”); – Selects an option by visible text from a dropdown.
  • selectByIndex(index); – Selects by index from the dropdown.
  • deselectByValue(“value”); – Deselects an option by value from a dropdown.
  • deselectByVisibleText(“text”); – Deselects an option by visible text from a dropdown.
  • deselectByIndex(index); – Deselects an option by index from a dropdown.
  • deselectAll(); – Deselects All options in a dropdown.
  • isMultiple(); – Boolean operation which verifies whether a dropdown allows multiple selection or not.
  • getOptions(); – Returns a list of all options from a dropdown.
  • getFirstSelectedOption(); – Returns first option selected in a dropdown as a WebElement .
  • getAllSelectedOptions(); – Returns a list of all selected options in a dropdown.

Ques 18: How to perform Drag and Drop operation using Selenium WebDriver?

  • Drag and drop operation means to grab an object and move it to some other location. Selenium WebDriver provides Actions class to perform drag and drop operation.
Ques 19: Is FirefoxDriver a class or an interface and from where is it inherited?
  • FirefoxDriver is a class in Selenium WebDriver which implements an Interface WebDriver.

Ques 20: How to validate that a WebElement is visible on a page?

  • isDisplayed() is a boolean method which returns whether a WebElement is visible on a page or not.

Ques 21: What is the difference between a getWindowHandle() and getWindowHandles() methods?

  • getWindowHandle() – method returns a unique sessionId of the currently active window, which selenium maintains to identify a browser window session.
  • getWindowHandles() – method returns a set of unique sessionIds of all the opened windows.

Ques 22: How to switch to a new window (new tab) which opens up after you click on a link?

  • When a click operation on link results in opening up of a new window (or new tab), the control of selenium does not automatically switches to the new window (or new tab). We have to write code to switch selenium code to the new window.

Scenario:

  1. Save the sessionId or window handle of Parent window.
  2. Click on the click which performs opening up of a new window operation.
  3. Get the sessionId of Child Window.
  4. Switch to the child window.
 Ques 23: What is the name of the headless/GUI-less browser?
  • HTML UnitDriver and PhantomJS

Ques 24: How to switch back from a frame?

  • defaultContent() – is the method to switch back from a frame to the parent window.

Ques 25: Write a code to get URL from a link webElement?

  • Links are represented by anchor tag on a web page  “<a>”
  • Anchor tag has an attribute called href which keeps the value of the URL (address where will navigate to after clicking).
  • getAttribute() – method is used to get the attribute from a WebElement.
Soon we will come up with next series of Selenium Questions.
Ps: If you have any query, question or comment. Feel free to post below. Happy Learning 🙂
Saurabh

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