Top Questions Asked In Interview For Automation Tester

Q1. What is Automation Testing?
👉 Automation testing is the process of using tools/scripts to execute test cases automatically, compare actual vs. expected results, and generate reports — without manual intervention.

Q2. Why do we need automation testing?
✅ Faster test execution
✅ Reusability of test scripts
✅ Increased coverage
✅ Reduces human error
✅ Supports CI/CD pipelines

Q3. Which test cases should be automated?

Repetitive test cases

Regression test cases

High-risk or critical business flows

Test cases that are time-consuming manually

Q4. What are challenges in automation?

Handling dynamic elements

Synchronization issues

Test data management

Browser compatibility

Maintenance of scripts

---

💻 2. Selenium WebDriver

Q1. What are locators in Selenium?
Locators help find elements on a web page.
➡️ Types:
id, name, className, tagName, linkText, partialLinkText, xpath, cssSelector

Q2. Difference between findElement() and findElements()?

findElement() → returns single WebElement; throws exception if not found.

findElements() → returns list of WebElements; returns empty list if not found.

Q3. How do you handle dropdowns in Selenium?
Use the Select class.

Select select = new Select(driver.findElement(By.id("country")));
select.selectByVisibleText("India");

Q4. What are waits in Selenium?

Implicit Wait: waits globally for all elements.

Explicit Wait: waits for a specific condition.

Fluent Wait: defines polling interval + exceptions.

Q5. How do you handle multiple windows?

String parent = driver.getWindowHandle();
Set<String> windows = driver.getWindowHandles();
for(String win : windows) {
if(!win.equals(parent)) {
driver.switchTo().window(win);
}
}

Q6. How to take screenshot in Selenium?

File src = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
FileUtils.copyFile(src, new File("screenshot.png"));

---