[WIP] Move to GH Actions

[kcpevey]

Resolves #4565

[philippjfr]

Do you need any permissions to enable this or are you all set?

[kcpevey]

I think I'm good for now. I'll let you know if I need access to anything else.

[kcpevey]

Ya'll disregard my bumbling around due to not understanding your test setup or what in the world doit was doing. At any rate, I'm getting somewhere now. There are a couple of nit-picky flake failures that I'm going to go ahead and fix. https://github.com/holoviz/holoviews/runs/1071937748?check_suite_focus=true

[kcpevey]

Questions/Comments:

• My understanding of the doit setup:
  • Holoviews uses pyctdev which seems to hijack and implement doit commands
  • tox.ini is also used to define doit commands (quite confusing to search for test_all_recommended but it's defined in tox as _all_recommended)
  • Having half the commands internal and half external took a while to figure out
• Where are the pyctdev doit commands defined? For example, hv is using doit env_create. I cannot find that code - where does it live?
• (Related to the above) I can't tell if the tests are supposed to be run via a pip env or a conda env. Which is preferred? Or both? And if conda... how is that env built?
• The CI builds against the dev channel?

@philippjfr

[philippjfr]

My understanding of the doit setup:

The steps are:

1. Use the system python/pip to install pyctdev
2. Use pyctdev (wrapped by doit) to install miniconda
3. Activate miniconda
4. Install pyctdev inside miniconda
5. Create the test env in miniconda
6. develop_install into the test environment

Where are the pyctdev doit commands defined? For example, hv is using doit env_create. I cannot find that code - where does it live?

This lives in pyctdev.

(Related to the above) I can't tell if the tests are supposed to be run via a pip env or a conda env. Which is preferred? Or both? And if conda... how is that env built?

The tests should run in the conda env which is created with:

doit env_create
doit develop_install

The CI builds against the dev channel?

Correct

[kcpevey]

That's strange, because this passed without the token:
https://github.com/holoviz/holoviews/runs/1333142961?check_suite_focus=true

[philippjfr]

That's strange, because this passed without the token:

I think it's a limitation of the python 2.7 of the CLI wrapper.

[kcpevey]

Tests are passing!

[holoviz-developers]

Thanks for all your efforts here! I'll merge.

[github-actions]

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