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317 lines
12 KiB
Python
317 lines
12 KiB
Python
#
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# This file is part of gunicorn released under the MIT license.
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# See the NOTICE for more information.
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"""
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Integration tests for gunicorn's uWSGI binary protocol with nginx.
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These tests verify that gunicorn correctly implements the uWSGI binary
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protocol by running actual requests through nginx's uwsgi_pass directive.
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"""
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import concurrent.futures
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import json
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import pytest
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import requests
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from conftest import docker_available
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@docker_available
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class TestBasicRequests:
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"""Test basic HTTP request handling through uWSGI protocol."""
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def test_get_root(self, nginx_url):
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"""Test basic GET request to root endpoint."""
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response = requests.get(f'{nginx_url}/')
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assert response.status_code == 200
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assert b'Hello from gunicorn uWSGI!' in response.content
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def test_get_with_query_string(self, nginx_url):
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"""Test GET request with query string parameters."""
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response = requests.get(f'{nginx_url}/query?foo=bar&baz=qux')
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assert response.status_code == 200
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data = response.json()
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assert data['foo'] == 'bar'
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assert data['baz'] == 'qux'
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def test_post_echo(self, nginx_url):
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"""Test POST request with body echo."""
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test_body = b'This is a test body content'
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response = requests.post(f'{nginx_url}/echo', data=test_body)
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assert response.status_code == 200
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assert response.content == test_body
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def test_post_json(self, nginx_url):
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"""Test POST request with JSON body."""
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test_data = {'key': 'value', 'number': 42, 'nested': {'a': 1}}
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response = requests.post(
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f'{nginx_url}/json',
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json=test_data,
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headers={'Content-Type': 'application/json'}
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)
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assert response.status_code == 200
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data = response.json()
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assert data['status'] == 'ok'
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assert data['received'] == test_data
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def test_post_large_body(self, nginx_url):
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"""Test POST with large request body (100KB)."""
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large_body = b'X' * (100 * 1024)
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response = requests.post(f'{nginx_url}/echo', data=large_body)
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assert response.status_code == 200
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assert len(response.content) == len(large_body)
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assert response.content == large_body
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@docker_available
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class TestHeaderPreservation:
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"""Test that headers are correctly passed through uWSGI protocol."""
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def test_custom_headers(self, nginx_url):
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"""Test custom headers are passed to the application."""
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custom_headers = {
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'X-Custom-Header': 'custom-value',
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'X-Another-Header': 'another-value'
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}
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response = requests.get(f'{nginx_url}/headers', headers=custom_headers)
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assert response.status_code == 200
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data = response.json()
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assert data.get('X-Custom-Header') == 'custom-value'
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assert data.get('X-Another-Header') == 'another-value'
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def test_host_header(self, nginx_url):
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"""Test Host header is passed correctly."""
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response = requests.get(
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f'{nginx_url}/headers',
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headers={'Host': 'test.example.com'}
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)
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assert response.status_code == 200
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data = response.json()
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assert data.get('Host') == 'test.example.com'
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def test_content_type_header(self, nginx_url):
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"""Test Content-Type header is passed correctly."""
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response = requests.post(
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f'{nginx_url}/headers',
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data='test',
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headers={'Content-Type': 'application/x-custom-type'}
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)
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assert response.status_code == 200
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data = response.json()
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assert data.get('Content-Type') == 'application/x-custom-type'
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def test_user_agent_header(self, nginx_url):
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"""Test User-Agent header is passed correctly."""
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response = requests.get(
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f'{nginx_url}/headers',
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headers={'User-Agent': 'TestAgent/1.0'}
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)
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assert response.status_code == 200
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data = response.json()
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assert data.get('User-Agent') == 'TestAgent/1.0'
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@docker_available
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class TestKeepAlive:
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"""Test HTTP keep-alive with multiple requests per connection."""
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def test_multiple_requests_same_session(self, session, nginx_url):
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"""Test multiple requests using same session/connection."""
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for i in range(5):
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response = session.get(f'{nginx_url}/')
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assert response.status_code == 200
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def test_mixed_requests_same_session(self, session, nginx_url):
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"""Test mixed GET and POST requests using same session."""
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# GET request
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response = session.get(f'{nginx_url}/')
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assert response.status_code == 200
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# POST request
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response = session.post(f'{nginx_url}/echo', data=b'test')
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assert response.status_code == 200
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assert response.content == b'test'
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# Another GET
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response = session.get(f'{nginx_url}/headers')
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assert response.status_code == 200
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# JSON POST
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response = session.post(f'{nginx_url}/json', json={'test': 1})
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assert response.status_code == 200
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@docker_available
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class TestErrorResponses:
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"""Test HTTP error responses through uWSGI protocol."""
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@pytest.mark.parametrize('code', [400, 401, 403, 404, 500, 502, 503])
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def test_error_codes(self, nginx_url, code):
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"""Test various HTTP error codes are returned correctly."""
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response = requests.get(f'{nginx_url}/error/{code}')
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assert response.status_code == code
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data = response.json()
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assert data['code'] == code
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def test_not_found(self, nginx_url):
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"""Test 404 for non-existent path."""
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response = requests.get(f'{nginx_url}/nonexistent/path')
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assert response.status_code == 404
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data = response.json()
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assert data['error'] == 'Not Found'
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assert data['path'] == '/nonexistent/path'
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@docker_available
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class TestEnvironVariables:
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"""Test WSGI environ variables are correctly set."""
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def test_request_method(self, nginx_url):
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"""Test REQUEST_METHOD is set correctly."""
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response = requests.get(f'{nginx_url}/environ')
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assert response.status_code == 200
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data = response.json()
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assert data.get('REQUEST_METHOD') == 'GET'
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response = requests.post(f'{nginx_url}/environ', data='')
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data = response.json()
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assert data.get('REQUEST_METHOD') == 'POST'
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def test_path_info(self, nginx_url):
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"""Test PATH_INFO is set correctly."""
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response = requests.get(f'{nginx_url}/environ')
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assert response.status_code == 200
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data = response.json()
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assert data.get('PATH_INFO') == '/environ'
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def test_query_string(self, nginx_url):
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"""Test QUERY_STRING is set correctly."""
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response = requests.get(f'{nginx_url}/environ?foo=bar&test=123')
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assert response.status_code == 200
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data = response.json()
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assert data.get('QUERY_STRING') == 'foo=bar&test=123'
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def test_server_protocol(self, nginx_url):
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"""Test SERVER_PROTOCOL is set."""
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response = requests.get(f'{nginx_url}/environ')
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assert response.status_code == 200
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data = response.json()
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assert 'SERVER_PROTOCOL' in data
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assert data['SERVER_PROTOCOL'].startswith('HTTP/')
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def test_content_length(self, nginx_url):
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"""Test CONTENT_LENGTH is set for POST requests."""
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body = 'test body content'
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response = requests.post(f'{nginx_url}/environ', data=body)
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assert response.status_code == 200
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data = response.json()
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assert data.get('CONTENT_LENGTH') == str(len(body))
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@docker_available
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class TestLargeResponses:
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"""Test large response handling through uWSGI protocol."""
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def test_1mb_response(self, nginx_url):
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"""Test 1MB response body is received correctly."""
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response = requests.get(f'{nginx_url}/large')
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assert response.status_code == 200
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assert len(response.content) == 1024 * 1024
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# Verify content is all 'X' characters
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assert response.content == b'X' * (1024 * 1024)
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def test_large_response_content_length(self, nginx_url):
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"""Test Content-Length header for large response."""
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response = requests.get(f'{nginx_url}/large')
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assert response.status_code == 200
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assert response.headers.get('Content-Length') == str(1024 * 1024)
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@docker_available
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class TestConcurrency:
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"""Test concurrent request handling."""
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def test_parallel_requests(self, nginx_url):
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"""Test handling multiple parallel requests."""
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num_requests = 20
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def make_request(i):
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response = requests.get(f'{nginx_url}/query?id={i}')
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return response.status_code, response.json().get('id')
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with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
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futures = [executor.submit(make_request, i) for i in range(num_requests)]
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results = [f.result() for f in concurrent.futures.as_completed(futures)]
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# All requests should succeed
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assert all(status == 200 for status, _ in results)
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# All IDs should be present
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ids = set(id_val for _, id_val in results)
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assert ids == set(str(i) for i in range(num_requests))
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def test_parallel_mixed_requests(self, nginx_url):
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"""Test parallel GET and POST requests."""
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def get_request():
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return requests.get(f'{nginx_url}/').status_code
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def post_request(data):
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response = requests.post(f'{nginx_url}/echo', data=data)
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return response.status_code, response.content
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with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
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get_futures = [executor.submit(get_request) for _ in range(10)]
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post_futures = [
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executor.submit(post_request, f'data-{i}'.encode())
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for i in range(10)
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]
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get_results = [f.result() for f in get_futures]
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post_results = [f.result() for f in post_futures]
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assert all(status == 200 for status in get_results)
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assert all(status == 200 for status, _ in post_results)
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@docker_available
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class TestSpecialCases:
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"""Test edge cases and special scenarios."""
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def test_empty_body_post(self, nginx_url):
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"""Test POST with empty body."""
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response = requests.post(f'{nginx_url}/echo', data=b'')
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assert response.status_code == 200
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assert response.content == b''
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def test_binary_body(self, nginx_url):
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"""Test POST with binary body containing null bytes."""
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binary_data = bytes(range(256))
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response = requests.post(f'{nginx_url}/echo', data=binary_data)
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assert response.status_code == 200
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assert response.content == binary_data
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def test_unicode_in_query_string(self, nginx_url):
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"""Test unicode characters in query string."""
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response = requests.get(f'{nginx_url}/query', params={'name': 'test'})
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assert response.status_code == 200
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data = response.json()
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assert data.get('name') == 'test'
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def test_special_characters_in_path(self, nginx_url):
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"""Test handling of special path that triggers 404."""
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# This should return 404 since the path doesn't exist
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response = requests.get(f'{nginx_url}/path/with/slashes')
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assert response.status_code == 404
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def test_long_header_value(self, nginx_url):
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"""Test handling of long header values."""
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long_value = 'X' * 4096 # 4KB header value
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response = requests.get(
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f'{nginx_url}/headers',
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headers={'X-Long-Header': long_value}
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)
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assert response.status_code == 200
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data = response.json()
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assert data.get('X-Long-Header') == long_value
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