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097e3a70c1
Black 23.1.0 is released which, as the first release of the year, introduces the 2023 stable style. This incorporates most of last year's preview style. https://github.com/psf/black/releases/tag/23.1.0
315 lines
12 KiB
Python
315 lines
12 KiB
Python
from django.core.exceptions import ImproperlyConfigured
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from django.core.handlers.wsgi import WSGIHandler, WSGIRequest, get_script_name
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from django.core.signals import request_finished, request_started
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from django.db import close_old_connections, connection
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from django.test import (
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RequestFactory,
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SimpleTestCase,
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TransactionTestCase,
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override_settings,
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)
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class HandlerTests(SimpleTestCase):
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request_factory = RequestFactory()
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def setUp(self):
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request_started.disconnect(close_old_connections)
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def tearDown(self):
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request_started.connect(close_old_connections)
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def test_middleware_initialized(self):
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handler = WSGIHandler()
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self.assertIsNotNone(handler._middleware_chain)
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def test_bad_path_info(self):
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"""
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A non-UTF-8 path populates PATH_INFO with an URL-encoded path and
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produces a 404.
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"""
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environ = self.request_factory.get("/").environ
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environ["PATH_INFO"] = "\xed"
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handler = WSGIHandler()
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response = handler(environ, lambda *a, **k: None)
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# The path of the request will be encoded to '/%ED'.
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self.assertEqual(response.status_code, 404)
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def test_non_ascii_query_string(self):
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"""
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Non-ASCII query strings are properly decoded (#20530, #22996).
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"""
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environ = self.request_factory.get("/").environ
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raw_query_strings = [
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b"want=caf%C3%A9", # This is the proper way to encode 'café'
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b"want=caf\xc3\xa9", # UA forgot to quote bytes
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b"want=caf%E9", # UA quoted, but not in UTF-8
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# UA forgot to convert Latin-1 to UTF-8 and to quote (typical of
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# MSIE).
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b"want=caf\xe9",
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]
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got = []
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for raw_query_string in raw_query_strings:
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# Simulate http.server.BaseHTTPRequestHandler.parse_request
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# handling of raw request.
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environ["QUERY_STRING"] = str(raw_query_string, "iso-8859-1")
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request = WSGIRequest(environ)
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got.append(request.GET["want"])
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# %E9 is converted to the Unicode replacement character by parse_qsl
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self.assertEqual(got, ["café", "café", "caf\ufffd", "café"])
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def test_non_ascii_cookie(self):
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"""Non-ASCII cookies set in JavaScript are properly decoded (#20557)."""
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environ = self.request_factory.get("/").environ
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raw_cookie = 'want="café"'.encode("utf-8").decode("iso-8859-1")
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environ["HTTP_COOKIE"] = raw_cookie
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request = WSGIRequest(environ)
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self.assertEqual(request.COOKIES["want"], "café")
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def test_invalid_unicode_cookie(self):
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"""
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Invalid cookie content should result in an absent cookie, but not in a
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crash while trying to decode it (#23638).
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"""
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environ = self.request_factory.get("/").environ
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environ["HTTP_COOKIE"] = "x=W\x03c(h]\x8e"
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request = WSGIRequest(environ)
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# We don't test COOKIES content, as the result might differ between
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# Python version because parsing invalid content became stricter in
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# latest versions.
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self.assertIsInstance(request.COOKIES, dict)
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@override_settings(ROOT_URLCONF="handlers.urls")
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def test_invalid_multipart_boundary(self):
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"""
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Invalid boundary string should produce a "Bad Request" response, not a
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server error (#23887).
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"""
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environ = self.request_factory.post("/malformed_post/").environ
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environ["CONTENT_TYPE"] = "multipart/form-data; boundary=WRONG\x07"
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handler = WSGIHandler()
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response = handler(environ, lambda *a, **k: None)
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# Expect "bad request" response
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self.assertEqual(response.status_code, 400)
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@override_settings(ROOT_URLCONF="handlers.urls", MIDDLEWARE=[])
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class TransactionsPerRequestTests(TransactionTestCase):
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available_apps = []
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def test_no_transaction(self):
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response = self.client.get("/in_transaction/")
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self.assertContains(response, "False")
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def test_auto_transaction(self):
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old_atomic_requests = connection.settings_dict["ATOMIC_REQUESTS"]
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try:
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connection.settings_dict["ATOMIC_REQUESTS"] = True
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response = self.client.get("/in_transaction/")
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finally:
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connection.settings_dict["ATOMIC_REQUESTS"] = old_atomic_requests
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self.assertContains(response, "True")
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async def test_auto_transaction_async_view(self):
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old_atomic_requests = connection.settings_dict["ATOMIC_REQUESTS"]
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try:
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connection.settings_dict["ATOMIC_REQUESTS"] = True
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msg = "You cannot use ATOMIC_REQUESTS with async views."
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with self.assertRaisesMessage(RuntimeError, msg):
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await self.async_client.get("/async_regular/")
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finally:
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connection.settings_dict["ATOMIC_REQUESTS"] = old_atomic_requests
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def test_no_auto_transaction(self):
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old_atomic_requests = connection.settings_dict["ATOMIC_REQUESTS"]
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try:
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connection.settings_dict["ATOMIC_REQUESTS"] = True
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response = self.client.get("/not_in_transaction/")
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finally:
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connection.settings_dict["ATOMIC_REQUESTS"] = old_atomic_requests
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self.assertContains(response, "False")
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try:
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connection.settings_dict["ATOMIC_REQUESTS"] = True
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response = self.client.get("/not_in_transaction_using_none/")
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finally:
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connection.settings_dict["ATOMIC_REQUESTS"] = old_atomic_requests
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self.assertContains(response, "False")
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try:
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connection.settings_dict["ATOMIC_REQUESTS"] = True
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response = self.client.get("/not_in_transaction_using_text/")
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finally:
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connection.settings_dict["ATOMIC_REQUESTS"] = old_atomic_requests
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# The non_atomic_requests decorator is used for an incorrect table.
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self.assertContains(response, "True")
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@override_settings(ROOT_URLCONF="handlers.urls")
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class SignalsTests(SimpleTestCase):
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def setUp(self):
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self.signals = []
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self.signaled_environ = None
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request_started.connect(self.register_started)
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request_finished.connect(self.register_finished)
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def tearDown(self):
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request_started.disconnect(self.register_started)
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request_finished.disconnect(self.register_finished)
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def register_started(self, **kwargs):
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self.signals.append("started")
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self.signaled_environ = kwargs.get("environ")
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def register_finished(self, **kwargs):
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self.signals.append("finished")
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def test_request_signals(self):
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response = self.client.get("/regular/")
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self.assertEqual(self.signals, ["started", "finished"])
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self.assertEqual(response.content, b"regular content")
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self.assertEqual(self.signaled_environ, response.wsgi_request.environ)
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def test_request_signals_streaming_response(self):
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response = self.client.get("/streaming/")
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self.assertEqual(self.signals, ["started"])
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self.assertEqual(b"".join(response.streaming_content), b"streaming content")
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self.assertEqual(self.signals, ["started", "finished"])
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def empty_middleware(get_response):
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pass
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@override_settings(ROOT_URLCONF="handlers.urls")
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class HandlerRequestTests(SimpleTestCase):
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request_factory = RequestFactory()
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def test_async_view(self):
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"""Calling an async view down the normal synchronous path."""
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response = self.client.get("/async_regular/")
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self.assertEqual(response.status_code, 200)
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def test_suspiciousop_in_view_returns_400(self):
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response = self.client.get("/suspicious/")
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self.assertEqual(response.status_code, 400)
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def test_bad_request_in_view_returns_400(self):
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response = self.client.get("/bad_request/")
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self.assertEqual(response.status_code, 400)
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def test_invalid_urls(self):
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response = self.client.get("~%A9helloworld")
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self.assertEqual(response.status_code, 404)
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self.assertEqual(response.context["request_path"], "/~%25A9helloworld")
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response = self.client.get("d%aao%aaw%aan%aal%aao%aaa%aad%aa/")
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self.assertEqual(
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response.context["request_path"],
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"/d%25AAo%25AAw%25AAn%25AAl%25AAo%25AAa%25AAd%25AA",
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)
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response = self.client.get("/%E2%99%E2%99%A5/")
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self.assertEqual(response.context["request_path"], "/%25E2%2599%E2%99%A5/")
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response = self.client.get("/%E2%98%8E%E2%A9%E2%99%A5/")
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self.assertEqual(
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response.context["request_path"], "/%E2%98%8E%25E2%25A9%E2%99%A5/"
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)
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def test_environ_path_info_type(self):
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environ = self.request_factory.get("/%E2%A8%87%87%A5%E2%A8%A0").environ
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self.assertIsInstance(environ["PATH_INFO"], str)
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def test_handle_accepts_httpstatus_enum_value(self):
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def start_response(status, headers):
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start_response.status = status
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environ = self.request_factory.get("/httpstatus_enum/").environ
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WSGIHandler()(environ, start_response)
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self.assertEqual(start_response.status, "200 OK")
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@override_settings(MIDDLEWARE=["handlers.tests.empty_middleware"])
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def test_middleware_returns_none(self):
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msg = "Middleware factory handlers.tests.empty_middleware returned None."
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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self.client.get("/")
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def test_no_response(self):
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msg = (
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"The view %s didn't return an HttpResponse object. It returned None "
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"instead."
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)
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tests = (
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("/no_response_fbv/", "handlers.views.no_response"),
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("/no_response_cbv/", "handlers.views.NoResponse.__call__"),
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)
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for url, view in tests:
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with self.subTest(url=url), self.assertRaisesMessage(
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ValueError, msg % view
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):
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self.client.get(url)
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class ScriptNameTests(SimpleTestCase):
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def test_get_script_name(self):
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# Regression test for #23173
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# Test first without PATH_INFO
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script_name = get_script_name({"SCRIPT_URL": "/foobar/"})
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self.assertEqual(script_name, "/foobar/")
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script_name = get_script_name({"SCRIPT_URL": "/foobar/", "PATH_INFO": "/"})
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self.assertEqual(script_name, "/foobar")
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def test_get_script_name_double_slashes(self):
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"""
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WSGI squashes multiple successive slashes in PATH_INFO, get_script_name
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should take that into account when forming SCRIPT_NAME (#17133).
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"""
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script_name = get_script_name(
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{
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"SCRIPT_URL": "/mst/milestones//accounts/login//help",
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"PATH_INFO": "/milestones/accounts/login/help",
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}
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)
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self.assertEqual(script_name, "/mst")
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@override_settings(ROOT_URLCONF="handlers.urls")
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class AsyncHandlerRequestTests(SimpleTestCase):
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"""Async variants of the normal handler request tests."""
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async def test_sync_view(self):
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"""Calling a sync view down the asynchronous path."""
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response = await self.async_client.get("/regular/")
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self.assertEqual(response.status_code, 200)
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async def test_async_view(self):
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"""Calling an async view down the asynchronous path."""
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response = await self.async_client.get("/async_regular/")
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self.assertEqual(response.status_code, 200)
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async def test_suspiciousop_in_view_returns_400(self):
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response = await self.async_client.get("/suspicious/")
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self.assertEqual(response.status_code, 400)
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async def test_bad_request_in_view_returns_400(self):
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response = await self.async_client.get("/bad_request/")
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self.assertEqual(response.status_code, 400)
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async def test_no_response(self):
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msg = (
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"The view handlers.views.no_response didn't return an "
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"HttpResponse object. It returned None instead."
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)
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with self.assertRaisesMessage(ValueError, msg):
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await self.async_client.get("/no_response_fbv/")
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async def test_unawaited_response(self):
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msg = (
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"The view handlers.views.CoroutineClearingView.__call__ didn't"
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" return an HttpResponse object. It returned an unawaited"
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" coroutine instead. You may need to add an 'await'"
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" into your view."
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)
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with self.assertRaisesMessage(ValueError, msg):
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await self.async_client.get("/unawaited/")
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