Mocking Exceptions

How do you mock exceptions in Mockito?

• a) By using doThrow() and verify() methods.
• b) By using when() and thenThrow() methods.
• c) By using doReturn() and assertThrows() methods.
• d) By using mock() and expect() methods.

What is mocking in Java?

• a) A process of removing all exceptions from code.
• b) A technique to create controlled unit testing environments.
• c) A method to ignore external dependencies in unit testing.
• d) A process of simulating user interactions in Java applications.

How to mock the checked exception in Java?

• a) By using @Test(expectedExceptions = SomeException.class)
• b) By using doThrow(new SomeException()) in mock objects.
• c) By using catch blocks in test cases for checked exceptions.
• d) By using mock() and expect() methods for checked exceptions.

How do you catch exceptions in Mockito?

• a) By using catch blocks in test cases.
• b) By using verify() and expect() methods.
• c) By using assertThrows() and try-catch blocks.
• d) By using try-catch blocks in test cases.

What is an example of mock testing?

• a) Validating calls without side effects and avoiding code duplication.
• b) Simulating real user interactions in unit testing.
• c) Testing exceptions by throwing them from mock objects.
• d) Testing external dependencies in isolation.

How to mock an error response?

• a) By throwing an exception inside a request handler.
• b) By composing a valid response using res() composition chain.
• c) By simulating network errors in unit tests.
• d) By using the mock() and expect() methods.

Why do we use mocking?

• a) To remove exceptions from the code.
• b) To simulate user interactions in testing.
• c) To isolate the code being tested from external dependencies.
• d) To generate random test data.

What is mocking?

• a) Imitating or mimicking someone or something.
• b) A method to create fake objects for testing.
• c) A technique to remove all external dependencies in code.
• d) A way to generate random test cases.

How to use mocking in Java?

• a) By creating fake objects, verifying their execution, and throwing optional exceptions.
• b) By using try-catch blocks to handle exceptions in unit testing.
• c) By rewriting the code to remove all external dependencies.
• d) By using mock() and expect() methods for method calls.

What is IOException?

• a) An exception related to network communication errors.
• b) An exception thrown when accessing information using streams, files, or directories.
• c) An exception that indicates programming errors in Java code.
• d) An exception that is thrown when dividing a number by zero.