@ExtendWith annotation in JUnit - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to use the @ExtendWith annotation with MockitoExtension.

JUnit

import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.junit.jupiter.MockitoExtension;

@ExtendWith([1].class)
public class MyTest {
    // test methods
}

Drag options to blanks, or click blank then click option'

ASpringExtension

BTestExtension

CMockitoExtension

DJUnitExtension

Attempts:

3 left

💡 Hint

Common Mistakes

Using an extension class that does not exist or is unrelated to Mockito.

Forgetting to add .class after the extension name.

The @ExtendWith annotation is used to register extensions in JUnit 5. To enable Mockito support, you use MockitoExtension.class.

2fill in blank

medium

Complete the code to register multiple extensions using @ExtendWith.

JUnit

@ExtendWith([1].class, AnotherExtension.class)
public class MultiExtensionTest {
    // test methods
}

Drag options to blanks, or click blank then click option'

AMockitoExtension

BTestExtension

CJUnitExtension

DSpringExtension

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting .class after the extension name.

Using an extension unrelated to Mockito.

You can register multiple extensions by listing them inside the @ExtendWith annotation. Here, MockitoExtension.class is one of them.

3fill in blank

hard

Fix the error in the @ExtendWith annotation usage.

JUnit

@ExtendWith([1])
public class ErrorTest {
    // test methods
}

Drag options to blanks, or click blank then click option'

AMockitoExtension()

BMockitoExtension

CMockitoExtension.class()

DMockitoExtension.class

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting to add .class after the extension name.

Adding parentheses after the class name.

The @ExtendWith annotation requires class literals, so you must use MockitoExtension.class. Omitting .class causes a syntax error.

4fill in blank

hard

Fill both blanks to correctly use @ExtendWith with two extensions.

JUnit

@ExtendWith([1].class, [2].class)
public class CombinedTest {
    // test methods
}

Drag options to blanks, or click blank then click option'

AMockitoExtension

BSpringExtension

CTestExtension

DJUnitExtension

Attempts:

3 left

💡 Hint

Common Mistakes

Omitting .class after extension names.

Using invalid extension names.

You can register multiple extensions by listing their class literals separated by commas inside @ExtendWith. Here, MockitoExtension.class and SpringExtension.class are used.

5fill in blank

hard

Fill all three blanks to create a test class with @ExtendWith registering three extensions.

JUnit

@ExtendWith([1].class, [2].class, [3].class)
public class TripleExtensionTest {
    // test methods
}

Drag options to blanks, or click blank then click option'

AMockitoExtension

BSpringExtension

CTestExtension

DJUnitExtension

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting .class suffix.

Using parentheses after extension names.

You can register multiple extensions by listing their class literals inside @ExtendWith. Here, JUnitExtension.class, SpringExtension.class, and TestExtension.class are used.