On Monday, September 7, 2020 at 7:13:28 AM UTC-7, tobia...@gmx.de wrote:
>
> As for the advantages of unittests over doctests (given my limited
> experience with the latter):
> - Can easily run and debug single tests
>
For the most part, cut/paste realizes that for doctests too
> - Get full intellisense and linting support for writing tests
>
I don't know what intellisense is, but I guess you're worried about code in
strings not being recognized by your development environment as code.
Usually doctests start out life in an interactive session, and then are
copied over.
> - Easily share common initialization / teardown code between tests
> - Stronger assertions not only relying on string-comparisons
>
That's not really an issue, since you can always just test:
sage: print(assertion)
True
> - Supports generation of tests based on (external) data, e.g. if you want
> to test a method against a range of input -> output pairs
>
I think you could do that in a doctest; it wouldn't really fit the general
setting, though
- Ability to mock external objects and services (web resources, libraries
> etc) and use dependency injection
>
???
> - Test code can rely on additional libraries and other code, that doesn't
> need to be shipped
>
That just makes the tests less reproducible and more fragile.
I think it's possible to write unit tests already, so if you prefer you
should be able to do that. I know the category framework has some
standardized testing. It may be able to be triggered from doctests, even! I
don't think it would be wise to allow unit tests *instead of* unit tests,
though. There's real value in having almost complete (if flimsy) coverage
through one platform.
I also don't think it's wise to require *both*. I already find it
cumbersome to provide doctests when I contribute something. Having to learn
yet another platform and fill in more boiler plate would reduce the
attractiveness of contributing considerably.
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