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Guidelines for testing plotting functions? #65

Closed maelle closed 5 years ago

maelle commented 5 years ago

We don't have guidelines for testing plotting functions.

I think they should be tested like other functions, and I'd recommend vdiffr which is the only package supporting such tests. I've only used it once in this test

Any other recommandations?

cc @birderboone

maelle commented 5 years ago

vdiffr is now suggested in the dev guide.