Re: Allow use of Hypothesis for property-based tests

+1 from me, I’ma big fan of hypothesis

On Thu, 3 Aug 2023 at 06:00, Matt Haberland <[email protected]>
wrote:

> Hi team,
>
> I'd like to propose adding Hypothesis
> <https://hypothesis.readthedocs.io/en/latest/> as a test-time dependency.
> From the documentation:
>
> Hypothesis is a Python library for creating unit tests which are simpler
>> to write and more powerful when run, finding edge cases in your code you
>> wouldn’t have thought to look for.
>
>
> We write property-based tests all the time, but I think Hypothesis can
> help us write them faster and make them stronger. Apparently NumPy, pandas,
> and many other projects
> <https://hypothesis.readthedocs.io/en/latest/usage.html> that use
> Hypothesis think so, too.
>
> I imagine one of the concerns will be test duration, but this is no
> different from other parameterized tests, and we can use pytest markers
> (`slow`, `xslow`) to limit that as always.
>
> Another concern would be nondeterminism in the CI suite. To address this,
> we've set up both a default deterministic profile and opt-in (via
> environment variable) nondeterministic profile.
>
> Please let us know your thoughts here and in the PR:
> https://github.com/scipy/scipy/pull/18927
>
> Matt
>
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