id summary reporter owner description type status component version severity resolution keywords cc stage has_patch needs_docs needs_tests needs_better_patch easy ui_ux 34063 request.POST not populated for multipart/form-data via AsyncClient Timo Ludwig Scott Halgrim "In test cases with the `AsyncClient` and requests with the default content type `""multipart/form-data""`, I cannot test views which access `request.POST` before accessing `request.body`. I'm very sorry if this is a duplicate of #32189 and this is the expected behavior, but the way I understood it is that `request.POST` should be populated for all form requests, so both `application/x-www-form-urlencoded` and `multipart/form-data`, right? If I just copy the [https://github.com/django/django/blob/9b0c9821ed4dd9920cc7c5e7b657720d91a89bdc/tests/test_client/tests.py#L132-L140 test_post] case from the sync `ClientTest` (and adapt it to the async structure as follows): {{{ diff --git a/tests/test_client/tests.py b/tests/test_client/tests.py index 57dc22ea0c..8cebaae9e7 100644 --- a/tests/test_client/tests.py +++ b/tests/test_client/tests.py @@ -1103,6 +1103,16 @@ class AsyncClientTest(TestCase): response = await self.async_client.get(""/get_view/"", {""var"": ""val""}) self.assertContains(response, ""This is a test. val is the value."") + async def test_post(self): + ""POST some data to a view"" + post_data = {""value"": 37} + response = await self.async_client.post(""/post_view/"", post_data) + + # Check some response details + self.assertContains(response, ""Data received"") + self.assertEqual(response.context[""data""], ""37"") + self.assertEqual(response.templates[0].name, ""POST Template"") + @override_settings(ROOT_URLCONF=""test_client.urls"") class AsyncRequestFactoryTest(SimpleTestCase): }}} the test case fails with: {{{ FAIL: test_post (test_client.tests.AsyncClientTest) POST some data to a view ---------------------------------------------------------------------- Traceback (most recent call last): File ""/usr/lib/python3.10/unittest/case.py"", line 59, in testPartExecutor yield File ""/usr/lib/python3.10/unittest/case.py"", line 591, in run self._callTestMethod(testMethod) File ""/usr/lib/python3.10/unittest/case.py"", line 549, in _callTestMethod method() File ""/home/user/.local/lib/python3.10/site-packages/asgiref/sync.py"", line 218, in __call__ return call_result.result() File ""/usr/lib/python3.10/concurrent/futures/_base.py"", line 451, in result return self.__get_result() File ""/usr/lib/python3.10/concurrent/futures/_base.py"", line 403, in __get_result raise self._exception File ""/home/user/.local/lib/python3.10/site-packages/asgiref/sync.py"", line 284, in main_wrap result = await self.awaitable(*args, **kwargs) File ""/home/django/tests/test_client/tests.py"", line 1109, in test_post response = await self.async_client.post(""/post_view/"", post_data) File ""/home/user/django/django/test/client.py"", line 1072, in request self.check_exception(response) File ""/home/user/django/django/test/client.py"", line 666, in check_exception raise exc_value File ""/home/user/.local/lib/python3.10/site-packages/asgiref/sync.py"", line 472, in thread_handler raise exc_info[1] File ""/home/user/django/django/core/handlers/exception.py"", line 42, in inner response = await get_response(request) File ""/home/user/django/django/core/handlers/base.py"", line 253, in _get_response_async response = await wrapped_callback( File ""/home/user/.local/lib/python3.10/site-packages/asgiref/sync.py"", line 435, in __call__ ret = await asyncio.wait_for(future, timeout=None) File ""/usr/lib/python3.10/asyncio/tasks.py"", line 408, in wait_for return await fut File ""/home/user/.local/lib/python3.10/site-packages/asgiref/current_thread_executor.py"", line 22, in run result = self.fn(*self.args, **self.kwargs) File ""/home/user/.local/lib/python3.10/site-packages/asgiref/sync.py"", line 476, in thread_handler return func(*args, **kwargs) File ""/home/django/tests/test_client/views.py"", line 83, in post_view if request.POST: File ""/home/user/django/django/core/handlers/asgi.py"", line 113, in _get_post self._load_post_and_files() File ""/home/user/django/django/http/request.py"", line 386, in _load_post_and_files self._post, self._files = self.parse_file_upload(self.META, data) File ""/home/user/django/django/http/request.py"", line 334, in parse_file_upload return parser.parse() File ""/home/user/django/django/http/multipartparser.py"", line 165, in parse for item_type, meta_data, field_stream in Parser(stream, self._boundary): File ""/home/user/django/django/http/multipartparser.py"", line 703, in __iter__ for sub_stream in boundarystream: File ""/home/user/django/django/http/multipartparser.py"", line 533, in __next__ return LazyStream(BoundaryIter(self._stream, self._boundary)) File ""/home/user/django/django/http/multipartparser.py"", line 560, in __init__ unused_char = self._stream.read(1) File ""/home/user/django/django/http/multipartparser.py"", line 427, in read return b"""".join(parts()) File ""/home/user/django/django/http/multipartparser.py"", line 418, in parts chunk = next(self) File ""/home/user/django/django/http/multipartparser.py"", line 440, in __next__ output = next(self._producer) File ""/home/user/django/django/http/multipartparser.py"", line 507, in __next__ data = self.flo.read(self.chunk_size) File ""/home/user/django/django/http/request.py"", line 421, in read return self._stream.read(*args, **kwargs) File ""/home/user/django/django/test/client.py"", line 82, in read assert ( AssertionError: Cannot read more than the available bytes from the HTTP incoming data. }}} While the same test case (and the same content type) succeeds for the sync `Client`. I would be willing to provide a patch if someone could point me in the right direction." Bug closed Testing framework 4.0 Normal fixed Ready for checkin 1 0 0 0 0 0