issues: 1974681146

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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
1974681146 PR_kwDOAMm_X85edMm- 8404 Hypothesis strategy for generating Variable objects 35968931 closed 0     6 2023-11-02T17:04:03Z 2023-12-05T22:45:57Z 2023-12-05T22:45:57Z MEMBER   0 pydata/xarray/pulls/8404

Breaks out just the part of #6908 needed for generating arbitrary xarray.Variable objects. (so ignore the ginormous number of commits)

EDIT: Check out this test which performs a mean on any subset of any Variable object!

```python In [36]: from xarray.testing.strategies import variables

In [37]: variables().example() <xarray.Variable (ĭ: 3)> array([-2.22507386e-313-6.62447795e+016j, nan-6.46207519e+185j, -2.22507386e-309+3.33333333e-001j]) ```

@andersy005 @maxrjones @jhamman I thought this might be useful for the NamedArray testing. (xref #8370 and #8244)

@keewis and @Zac-HD sorry for letting that PR languish for literally a year :sweat_smile: This PR addresses your feedback about accepting a callable that returns a strategy generating arrays. That suggestion makes some things a bit more complex in user code but actually allows me to simplify the internals of the variables strategy significantly. I'm actually really happy with this PR - I think it solves what we were discussing, and is a sensible checkpoint to merge before going back to making strategies for generating composite objects like DataArrays/Datasets work.

  • [x] Closes part of #6911
  • [x] Tests added
  • [x] User visible changes (including notable bug fixes) are documented in whats-new.rst
  • [x] New functions/methods are listed in api.rst
 
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