Back to Repositories

Testing GitHub API Authentication Workflow in TheAlgorithms/Python

This test suite validates the GitHub API authentication and user information retrieval functionality in the fetch_github_info module. It ensures proper handling of API responses and authentication token verification through mocked HTTP requests.

Test Coverage Overview

The test coverage focuses on validating the GitHub API authentication flow and response parsing.

Key areas tested include:

Authentication token formatting and header inclusion
API endpoint URL validation
JSON response parsing and data extraction
User information field validation

Implementation Analysis

The testing approach utilizes Python’s monkeypatch fixture to mock the requests library’s GET method, enabling isolated testing of the API integration.

Implementation features:

Custom FakeResponse class to simulate HTTP responses
Mock response validation with specific assertions
Structured response data verification

Technical Details

Testing components:

pytest framework for test execution
monkeypatch fixture for dependency injection
requests library mocking
JSON response simulation
Assert statements for validation

Best Practices Demonstrated

The test implementation showcases several testing best practices for API integration testing.

Notable practices include:

Isolation of external dependencies through mocking
Explicit assertion messages
Comprehensive header validation
Proper response structure verification

thealgorithms/python

web_programming/test_fetch_github_info.py

            
import json

import requests

from .fetch_github_info import AUTHENTICATED_USER_ENDPOINT, fetch_github_info


def test_fetch_github_info(monkeypatch):
    class FakeResponse:
        def __init__(self, content) -> None:
            assert isinstance(content, (bytes, str))
            self.content = content

        def json(self):
            return json.loads(self.content)

    def mock_response(*args, **kwargs):
        assert args[0] == AUTHENTICATED_USER_ENDPOINT
        assert "Authorization" in kwargs["headers"]
        assert kwargs["headers"]["Authorization"].startswith("token ")
        assert "Accept" in kwargs["headers"]
        return FakeResponse(b'{"login":"test","id":1}')

    monkeypatch.setattr(requests, "get", mock_response)
    result = fetch_github_info("token")
    assert result["login"] == "test"
    assert result["id"] == 1