Introduce Sphinx doctest builds#1406
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- enable the plugin - disable default console block behavior - new tox env - new CI config
Improve our doctest config with - a wrapped version of `mock.patch` which does auto-rollback - pre-set imports for all doctests
| extensions = [ | ||
| # sphinx-included extensions | ||
| "sphinx.ext.autodoc", | ||
| "sphinx.ext.doctest", |
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I'm concerned about how maintainers discover what different sphinx directives mean in this repository as we expand the number of internally-maintained & dependency extensions.
With the context of reviewing this PR which adds the sphinx.ext.doctest extension in a separate file, I was eventually able to find documentation for what testsetup:: doctest::, and testcode:: meant as symbols. If I encountered those in the context of browsing through a file though, I don't think I would've been able to backtrace why those symbols are meaningful (maybe with the exception of doctest because the extension happens to be named the same).
I think it's time that we have some in-repository documentation (a DOCUMENTATION.md or similar) that provides a central reference for which directives we're importing, which we've specialized, which we've built ourselves, etc. linking out to relevant docs like https://www.sphinx-doc.org/en/master/usage/extensions/doctest.html
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I agree with this comment: that information belongs in our contribution docs. I do not think we should block this addition on these grounds, in a case of "the perfect is the enemy of the good".
Can we describe the follow-up we would like in the form of an issue or story? (I think in-repo issue tracking would be appropriate in this case.)
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I was able to find doctest trivially with a search for "python sphinx testcode". I think we need to discuss what level of detail is needed in our contributor documentation. 🙂
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In order to allow for doctest usage, but without mandating it everywhere that examples are written (today and into the future), add Sphinx config which allows for use of the
doctestdirective but does not automatically run all examples as doctests.A pass over existing examples found a few items worth trying to turn into doctests, but this effort may not have been perfectly complete.