#34210: Show the duration of individual tests
-------------------------------------+-------------------------------------
Reporter: Paolo | Owner: nobody
Melchiorre |
Type: New | Status: new
feature |
Component: Testing | Version: dev
framework | Keywords: test, timing,
Severity: Normal | durations
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
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I propose to add the possibility to show the duration of individual tests
in the final report by ordering them from slowest to fastest and filtering
only the slowest tests with a threshold.
Example:
{{{
$ python -m manage test --durations=10
Found 92 test(s).
Creating test database for alias 'default'...
System check identified no issues (0 silenced).
Creating test database for alias 'default'...
..........
----------------------------------------------------------------------
Ran 92 tests in 1.297s
OK
Destroying test database for alias 'default'...
Slowest 10 test duration durations:
0.3597s test_detail_view_with_a_future_poll
(polls.tests.PollIndexDetailTests)
0.0284s test_detail_view_with_a_past_poll
(polls.tests.PollIndexDetailTests)
0.0068s test_index_view_with_a_future_poll (polls.tests.PollViewTests)
0.0047s test_index_view_with_a_past_poll (polls.tests.PollViewTests)
0.0045s test_index_view_with_two_past_polls (polls.tests.PollViewTests)
0.0041s test_index_view_with_future_poll_and_past_poll
(polls.tests.PollViewTests)
0.0036s test_index_view_with_no_polls (polls.tests.PollViewTests)
0.0003s test_was_published_recently_with_future_poll
(polls.tests.PollMethodTests)
0.0002s test_was_published_recently_with_recent_poll
(polls.tests.PollMethodTests)
0.0002s test_was_published_recently_with_old_poll
(polls.tests.PollMethodTests)
}}}
`pytest` has a very similar option that helps you find slower tests that
you want to optimize their timing.
https://pytest.org/en/latest/how-to/usage.html#durations
There's an external package `django-slow-tests` that adds a similar
functionality, but the code is very old and with very little test
coverage, furthermore the last release was almost 4 years ago and the
officially supported versions of Django are very old.
https://github.com/realpython/django-slow-tests
I propose to add this feature directly into Django tests to help users
optimize their tests and also to help Django developers optimize the test
of Dajngo itself.
--
Ticket URL: <https://code.djangoproject.com/ticket/34210>
Django <https://code.djangoproject.com/>
The Web framework for perfectionists with deadlines.
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