🔌 API Testing & Mocking

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# 🔌 API Testing & Mocking ## 1. 🎯 Learning Objectives - Test REST APIs with Postman - Mock external dependencies in unit tests - Apply contract testing between services ## 2.

🔌 API Testing & Mocking

1. 🎯 Learning Objectives

Test REST APIs with Postman
Mock external dependencies in unit tests
Apply contract testing between services

2. 📖 Core Content

3.1 REST API Testing

Test aspects: Status codes, response body, headers, performance, authentication. Tools: Postman, REST Assured, supertest (Node.js).

3.2 Mocking

Replace real dependencies with simulated versions:


python
from unittest.mock import Mock
api = Mock()
api.get_user.return_value = {"id": 1, "name": "Test"}
result = service.process_user(1)
assert result["name"] == "Test"

3.3 Contract Testing

Verify that API provider and consumer agree on interface. Tools: Pact, Spring Cloud Contract. Join Discord PreviousAcceptance & ExploratoryNextTest Management