test .py and .rst files with doctest

[niccokunzmann]

This runs doctest on .py and rst files.
See #443

The tests should be failing at the moment.
To fix a doctest, please create a pull request to the doctest branch.

In contrary to #443, this runs doctest as part of the tests to make sure that the documentation is valid for all Python versions.

[coveralls]

Pull Request Test Coverage Report for Build 3231673072

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-92.9%) to 0.0%

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Totals
Change from base Build 3213330057:	-92.9%
Covered Lines:	0
Relevant Lines:	0

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💛 - Coveralls

[niccokunzmann]

If this is open for another 4 days, I would like to merge it to have progress.

[ale-rt]

It looks quite good to me but the branch needs a rebase.

[ale-rt]

I think this one should do in the tests_require list that you can find in the setup.py file:

icalendar/setup.py

Line 20 in 68dc8b1

tests_require = []

Then the requirements_docs.txt file should install . [test] (untested)

[niccokunzmann]

Thanks for your reply! Hm I do not know why hypothesis is even in there.

Here, it uses use_debelop=True and therewith does a pip install ..
We do have different tests running that have different dependencies. Using use-develop is what we do here. I think, changing this would go into an other PR as it is independent of doctest. If you think, that change is worth experimenting with, you can create a PR or an issue, I would say. I do not really see a difference at the moment.

What do you think?

[niccokunzmann]

Thanks for the review @ale-rt. I merged master.