It seems that some of my tests that were passing a json payload were sometimes turning up in the request handlers without any payload on the request.
I've produced what looks to be minimal reproduction of this bug. Removing any of this (the unused GET
handler, or the blueprint) seem to stop the error somewhat reliably popping up for me, so it appears they are related.
$ pipenv run pytest tests
Loading .env environment variables...
================================================================= test session starts =================================================================
platform darwin -- Python 3.9.2, pytest-6.2.2, py-1.10.0, pluggy-0.13.1
rootdir: /private/var/folders/5v/x8dcvr4n2wl0dlq2pxd35y2w0000gn/T/pyground.XXXXXXX.OF7rb6Ys
collected 1 item
tests/test_main.py F [100%]
====================================================================== FAILURES =======================================================================
__________________________________________________________________ test_json_payload __________________________________________________________________
app = <sanic_testing.manager.TestManager object at 0x10e2927c0>
def test_json_payload(app):
request, response = app.test_client.put("/rest/users", json={})
> assert response.status == 200
E assert 400 == 200
E + where 400 = <Response [400 Bad Request]>.status
tests/test_main.py:36: AssertionError
---------------------------------------------------------------- Captured stdout call -----------------------------------------------------------------
[2021-03-31 19:50:14 +0100] [62919] [INFO] http://127.0.0.1:52851/rest/users
[2021-03-31 19:50:14 +0100] - (sanic.access)[INFO][127.0.0.1:52852]: PUT http://127.0.0.1:52851/rest/users 400 -1
[2021-03-31 19:50:14 +0100] [62919] [INFO] Starting worker [62919]
[2021-03-31 19:50:14 +0100] [62919] [INFO] Stopping worker [62919]
[2021-03-31 19:50:14 +0100] [62919] [INFO] Server Stopped
------------------------------------------------------------------ Captured log call ------------------------------------------------------------------
INFO sanic.root:testing.py:73 http://127.0.0.1:52851/rest/users
INFO sanic.access:http.py:435
INFO sanic.root:server.py:577 Starting worker [62919]
INFO sanic.root:server.py:580 Stopping worker [62919]
INFO sanic.root:app.py:928 Server Stopped
================================================================== warnings summary ===================================================================
.venv/lib/python3.9/site-packages/sanic_testing/manager.py:6
/private/var/folders/5v/x8dcvr4n2wl0dlq2pxd35y2w0000gn/T/pyground.XXXXXXX.OF7rb6Ys/.venv/lib/python3.9/site-packages/sanic_testing/manager.py:6: PytestCollectionWarning: cannot collect test class 'TestManager' because it has a __init__ constructor (from: tests/test_main.py)
class TestManager:
-- Docs: https://docs.pytest.org/en/stable/warnings.html
=============================================================== short test summary info ===============================================================
FAILED tests/test_main.py::test_json_payload - assert 400 == 200
============================================================ 1 failed, 1 warning in 5.43s =============================================================
$ pipenv run pytest tests
Loading .env environment variables...
================================================================= test session starts =================================================================
platform darwin -- Python 3.9.2, pytest-6.2.2, py-1.10.0, pluggy-0.13.1
rootdir: /private/var/folders/5v/x8dcvr4n2wl0dlq2pxd35y2w0000gn/T/pyground.XXXXXXX.OF7rb6Ys
collected 1 item
tests/test_main.py . [100%]
================================================================== warnings summary ===================================================================
.venv/lib/python3.9/site-packages/sanic_testing/manager.py:6
/private/var/folders/5v/x8dcvr4n2wl0dlq2pxd35y2w0000gn/T/pyground.XXXXXXX.OF7rb6Ys/.venv/lib/python3.9/site-packages/sanic_testing/manager.py:6: PytestCollectionWarning: cannot collect test class 'TestManager' because it has a __init__ constructor (from: tests/test_main.py)
class TestManager:
-- Docs: https://docs.pytest.org/en/stable/warnings.html
============================================================ 1 passed, 1 warning in 0.17s =============================================================
I've tried to hunt this down but have been unsuccessful. I've also tried this on different python versions, and machines. So I'm hoping you'll find the same inconsistent error/pass.
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}