MCQs on Capturing Screenshots of the Page Using Selenium Java
Which Selenium interface is primarily used to capture a screenshot in Java?
a) TakesScreenshot
b) ScreenshotCapture
c) ImageCapture
d) CaptureScreen
Answer: a) TakesScreenshot
Which method is used to take a screenshot in Selenium WebDriver?
a) getScreenshot()
b) captureScreen()
c) getScreenshotAs()
d) takeScreenshot()
Answer: c) getScreenshotAs()
What is the return type of the getScreenshotAs() method?
a) String
b) File
c) BufferedImage
d) WebElement
Answer: b) File
In Selenium, which OutputType is used to get a screenshot as a file?
a) OutputType.STRING
b) OutputType.FILE
c) OutputType.BYTES
d) OutputType.PNG
Answer: b) OutputType.FILE
What is the correct way to capture a screenshot and store it as a file in Java using Selenium?
a) File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
b) File scrFile = driver.getScreenshotAs(OutputType.FILE);
c) File scrFile = driver.captureScreen(OutputType.FILE);
d) File scrFile = driver.takeScreenshotAs(OutputType.FILE);
Answer: a) File scrFile = ((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
How do you save a captured screenshot to a specific location in your file system?
a) Files.copy(scrFile, new File("path/to/save/screenshot.png"));
b) scrFile.copyTo("path/to/save/screenshot.png");
c) scrFile.saveAs("path/to/save/screenshot.png");
d) Files.copy(scrFile, "path/to/save/screenshot.png");
Answer: a)
When capturing a screenshot in Selenium, which exception must be handled or declared to be thrown?
a) NullPointerException
b) IOException
c) ElementNotVisibleException
d) NoSuchWindowException
Answer: b) IOException
Which Selenium method would you use to capture a screenshot and return it as a byte array?
a) driver.getScreenshotAs(OutputType.FILE)
b) driver.getScreenshotAs(OutputType.BYTES)
c) driver.takeScreenshot(OutputType.BYTES)
d) driver.getBytesScreenshot()
Answer: b) driver.getScreenshotAs(OutputType.BYTES)
Which library can be integrated with Selenium for advanced screenshot functionalities, like capturing full-page screenshots?
a) SikuliX
b) Ashot
c) TestNG
d) Junit
Answer: b) Ashot
How can screenshots be embedded into test reports in Selenium using TestNG?
a) Use the Reporter.log() method with a screenshot path
b) Use System.out.println() with a screenshot path
c) Use FileUtils to print the screenshot to the console
d) Use Files.save() method to add screenshots to the HTML report
Answer: a) Use the Reporter.log() method with a screenshot path
In Selenium, which of the following statements is not a best practice when capturing screenshots?
a) Capturing screenshots on every step
b) Capturing screenshots only on test failures
c) Capturing screenshots at key points during a test
d) Saving screenshots with meaningful names
Answer: a) Capturing screenshots on every step
How do you handle a WebDriverException thrown when trying to take a screenshot in Selenium?
a) Catch the exception and log an error message
b) Ignore the exception
c) Use try-catch and retry taking the screenshot
d) Refresh the browser and try again
Answer: a) Catch the exception and log an error message
What Selenium WebDriver functionality is required to capture screenshots in a headless browser?
a) TakesScreenshot interface
b) ScreenshotCapture utility
c) File class for saving
d) WebDriverScreenshot()
Answer: a) TakesScreenshot interface
How can you ensure the screenshots are saved in a specific directory dynamically during runtime?
a) Use a hard-coded path
b) Use System.getProperty("user.dir") to dynamically set the path
c) Use System.getScreenshotDirectory()
d) Manually create directories every time before running the test
Answer: b) Use System.getProperty("user.dir") to dynamically set the path
What is the advantage of using Base64 encoded screenshots in Selenium?
a) Screenshots are saved in a text format
b) Screenshots are more secure
c) Screenshots can be easily embedded in HTML reports without saving as a file
d) Screenshots are automatically compressed
Answer: c) Screenshots can be easily embedded in HTML reports without saving as a file
Which output type is most suitable for storing a screenshot directly in a database?
a) OutputType.FILE
b) OutputType.BASE64
c) OutputType.STRING
d) OutputType.BYTES
Answer: d) OutputType.BYTES
How can you handle the NotSupportedException when taking screenshots in Selenium?
a) Ensure the WebDriver instance is cast to TakesScreenshot
b) Update the browser
c) Ignore the exception
d) Install additional plugins for Selenium
Answer: a) Ensure the WebDriver instance is cast to TakesScreenshot
What is the best practice for naming screenshot files in Selenium automation tests?
a) Using a generic name like screenshot.png
b) Including the test case name and timestamp in the file name
c) Using random names generated by the system
d) Overwriting the same file for each screenshot
Answer: b) Including the test case name and timestamp in the file name
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