This sometimes fails with 'The data stream has read past the end of the data in
the underlying device', which turns up in crash reports around once a month.
This is somewhat similar to https://bugreports.qt.io/browse/QTBUG-117489 - but
without knowing the data and without being able to reproduce, it's unclear what
the culprit could be.
It's broken in weird ways since recently (`:version` not loading,
segfault in test_version.py). Since nobody should be using it anyways,
there is no point in spending time on debugging a tricky issue.
Next step is probably ripping it out completely, but that's a separate
can of worms.
See #4039
We create the DownloadManager with parent=qapp, which means they will stick
around forever after the test finished.
While we disconnect the QWebEngineProfile::downloadRequested() signal,
we keep the DownloadManager around, which also keeps around its download-update
timers.
Those will then result in tests/unit/utils/usertypes/test_timer.py::test_early_timeout_check
being flaky, as their _validity_check_handler slot keeps getting called in the
background. Due to the globally mocked time.monotonic(), this results in
nonsensical error messages such as:
Got logging message on logger misc with level WARNING:
Timer download-update (id ...) triggered too early:
interval 500 but only -1023.269s passed!
After this change, we now clean up those objects properly, thus fixing the
flakiness.
See #5390.
To fix a flaky tests/unit/utils/usertypes/test_timer.py::test_early_timeout_check
(where a download-update timer from an earlier test fails), I looked into what
usertypes.Timer instances where left over after a test finished.
It turns out that there were about 190 still existing "partial-match" and
"normal-inhibited" timers when breaking in test_timer.py, even when just running
tests in tests/unit/browser/ and tests/unit/utils/usertypes.
This is because we pass qapp as parent to the ModeManager we create, but that
means it will be forever alive if we don't take care of cleaning it up after a
test.
Perhaps our tests should have some sort of mechanism that checks whether there
are any "leftovers" after a test has finished (perhaps even as part of
pytest-qt?), but for now, let's just fix the issues we can directly see.
Skip this hypothesis version pending https://github.com/HypothesisWorks/hypothesis/issues/4375
Our test suite is currently failing due to running python with `-b` and
being configured to fail on warnings.
We'll pick it up on the next update run or so.
The previous fix in 3dc212a815 was insufficient,
as the inner `getattr(extract_result, "registered_domain")` was always evaluated
first (thus triggering the deprecation warning again).
We also cannot do:
getattr(extract_result, "top_domain_under_public_suffix", None) or extract_result.registered_domain
as `""` is a valid value for it.
Speculative fix for test_early_timeout_handler in
tests/unit/utils/usertypes/test_timer.py failing:
> assert len(caplog.messages) == 1
E AssertionError: assert 5 == 1
due to:
------------------------------ Captured log call -------------------------------
WARNING misc:usertypes.py:467 Timer download-update (id 620757000) triggered too early: interval 500 but only -609.805s passed
WARNING misc:usertypes.py:467 Timer download-update (id 922746881) triggered too early: interval 500 but only -609.429s passed
WARNING misc:usertypes.py:467 Timer download-update (id 1056964613) triggered too early: interval 500 but only -609.537s passed
WARNING misc:usertypes.py:467 Timer download-update (id 1912602631) triggered too early: interval 500 but only -609.671s passed
WARNING misc:usertypes.py:467 Timer t (id -1) triggered too early: interval 3 but only 0.001s passed
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Florian Bruhin
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