[Solved] You have a test class that consumes a page object with a method getUserName() returning a String.... Which assertion is best to use in the test class? | Selenium Java

Selenium Java - Page Object Model

You have a test class that consumes a page object with a method getUserName() returning a String. You want to assert that the username is not empty after login. Which assertion is best to use in the test class?

AAssert.assertEquals(getUserName(), "");

BAssert.assertTrue(getUserName() == null);

CAssert.assertFalse(getUserName().isEmpty());

DAssert.assertNull(getUserName());

Step-by-Step Solution

Solution:

Step 1: Understand requirement
Username should not be empty string after login.
Step 2: Choose assertion to check non-empty string
AssertFalse on isEmpty() returns true if string is not empty.
Final Answer:
Assert.assertFalse(getUserName().isEmpty()); -> Option C
Quick Check:
Check non-empty string with assertFalse(isEmpty()) [OK]

Quick Trick: Use assertFalse(string.isEmpty()) to check non-empty [OK]

Common Mistakes:

Checking for null instead of empty string
Using assertEquals with empty string incorrectly
Using assertNull when string is expected

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Which assertion is best to use in the test class?

Step 1: Understand requirement

Step 2: Choose assertion to check non-empty string

Final Answer:

Quick Check:

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