#30415: Refactor runtests.py to allow using other test runners.
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Reporter: Daniel Hahler | Owner: nobody
Type: New feature | Status: new
Component: Testing framework | Version: master
Severity: Normal | Resolution:
Keywords: | Triage Stage: Accepted
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
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Comment (by David Smith):
All,
It will need someone much more experienced than myself to properly
articulate this, and to be credible on the topic. Carlton - I may be
reading too much into this but your comments sounded interested / positive
on this?
I think the benefits are subjective given current test runner works so any
benefits above that are about user experience. So may be hard to make a
good technical reason for the change. A few of my thoughts are:
Pros
#22449 - Pytest outputs have colour so would not need to fix this ticket
- Better output - get % progress, more information on failed tests.
- Integration with IDEs (e.g. can use pytest add-in for VSCode?)
- ability to use other pytest and pytest-addins functionality. e.g.
`pytest --durations=50` outputs the 50 slowest tests.
- Would pytest-xdist help speed up the tests?. (currently GSOC project on
this topic)
- ''IF'' project went full pytest then could use plain asserts.
Cons
- Some complications with implementation (e.g. subtests and some tests
may need to be re-written)
- If we went full pytest then it would be a dependency (Django tends to
avoid doing this)
- Current test runner may be better understood than getting pytest to work
(not sure how much expertise we have on the current test runner?)
Ideally I'd see this as a two step changes. 1) get it working with pytest
and the current test runner, 2) consider moving to pytest fully, this may
be after 1 has been working for a period of time.
Appreciate thoughts on next steps (is this a topic for the mailing list?)
--
Ticket URL: <https://code.djangoproject.com/ticket/30415#comment:6>
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