Mock testing is a software testing technique where simulated objects replace real components to test functionality in isolation.

Explanation:

• Mocks simulate real dependencies (like databases, APIs) without actual execution.
• It is widely used in unit testing to ensure that modules work independently.
• Tools like Mockito (Java), unittest.mock (Python), and Moq (C#) are used for mock testing.

Example (Python Mock Test using unittest.mock)

from unittest.mock import Mock

# Create a mock object
database = Mock()
database.get_user.return_value = {'id': 1, 'name': 'Alice'}

# Test function using the mock
print(database.get_user(1))  # Output: {'id': 1, 'name': 'Alice'}

• Here, we simulate a database call without actually querying a database.