Alert accept and dismiss in Selenium Java - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is an alert in Selenium WebDriver?

An alert is a popup box that appears on the webpage to show messages or ask for user confirmation. Selenium can switch to this alert to interact with it.

beginner

How do you accept an alert in Selenium Java?

Use driver.switchTo().alert().accept(); to click the OK button on the alert popup.

beginner

How do you dismiss an alert in Selenium Java?

Use driver.switchTo().alert().dismiss(); to click the Cancel button or close the alert popup.

intermediate

What happens if you try to interact with an alert without switching to it first?

Selenium throws a NoAlertPresentException because it cannot find the alert unless you switch to it first.

intermediate

Write the code snippet to accept an alert and verify the alert text is 'Are you sure?'.

String alertText = driver.switchTo().alert().getText(); assert alertText.equals("Are you sure?"); driver.switchTo().alert().accept();

Which Selenium method is used to accept an alert popup?

A driver.switchTo().alert().accept()

B driver.switchTo().alert().dismiss()

C driver.acceptAlert()

D driver.alert().accept()

The correct method to accept an alert is driver.switchTo().alert().accept().

What does driver.switchTo().alert().dismiss() do?

A Clicks Cancel or closes the alert

B Throws an exception

C Clicks OK on the alert

D Switches to the alert without any action

Dismiss() clicks Cancel or closes the alert popup.

Before accepting or dismissing an alert, what must you do?

A Refresh the page

B No action needed

C Close the browser

D Switch to the alert using driver.switchTo().alert()

You must switch to the alert first to interact with it.

What exception is thrown if you try to accept an alert when none is present?

A TimeoutException

B NoSuchElementException

C NoAlertPresentException

D ElementNotVisibleException

NoAlertPresentException is thrown when no alert is found.

How do you get the text displayed on an alert popup?

A driver.getAlertText()

B driver.switchTo().alert().getText()

C driver.alertText()

D driver.getText()

Use driver.switchTo().alert().getText() to read alert text.

Explain the steps to handle an alert popup in Selenium Java.

Think about how you interact with popups in real life.

Write a simple code snippet to dismiss an alert and verify the alert text is 'Confirm delete?'.

Use driver.switchTo().alert() methods.