Back to Repositories

Testing HTTP Adapter URL Path Normalization in Requests Library

This test suite focuses on validating the HTTP adapter functionality in the Requests library, specifically examining URL path handling and normalization. It ensures proper handling of URL paths with leading separators to maintain consistent request formatting.

Test Coverage Overview

The test coverage focuses on URL path normalization in the HTTPAdapter class.

Key areas tested include:
  • URL path trimming behavior
  • Leading separator handling
  • Path normalization edge cases
  • Integration with Request preparation workflow

Implementation Analysis

The testing approach employs direct instantiation of the HTTPAdapter class and validates its request_url method behavior. The implementation uses the standard Python unittest framework with specific assertions to verify URL path transformations.

Key patterns include:
  • Isolated adapter testing
  • Direct method invocation
  • URL string manipulation verification

Technical Details

Testing components include:
  • Python’s unittest framework
  • Requests library HTTPAdapter class
  • Request preparation utilities
  • URL path manipulation functions
Configuration involves standard HTTP adapter initialization with default settings.

Best Practices Demonstrated

The test demonstrates several quality testing practices including isolated component testing, clear test case documentation with GitHub issue reference, and explicit assertion checking. The code organization follows single-responsibility principle with focused test methods and clear setup structure.

Notable practices:
  • Issue-linked test documentation
  • Explicit assertion statements
  • Isolated component testing

psf/requests

tests/test_adapters.py

            
import requests.adapters


def test_request_url_trims_leading_path_separators():
    """See also https://github.com/psf/requests/issues/6643."""
    a = requests.adapters.HTTPAdapter()
    p = requests.Request(method="GET", url="http://127.0.0.1:10000//v:h").prepare()
    assert "/v:h" == a.request_url(p, {})