issue_comments: 661877612

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https://github.com/pydata/xarray/pull/4230#issuecomment-661877612 https://api.github.com/repos/pydata/xarray/issues/4230 661877612 MDEyOklzc3VlQ29tbWVudDY2MTg3NzYxMg== 4806877 2020-07-21T13:57:19Z 2020-07-21T13:57:29Z CONTRIBUTOR

I'm looking at the relevant test function:

python def test_repr_of_dataarray(dataarray): formatted = fh.array_repr(dataarray) assert "dim_0" in formatted # has an expanded data section assert formatted.count("class='xr-array-in' type='checkbox' checked>") == 1 # coords and attrs don't have an items so they'll be be disabled and collapsed assert ( formatted.count("class='xr-section-summary-in' type='checkbox' disabled >") == 2 )

does this only check on the number of collapsed sections?

Yes, that test counts expanded data sections and collapsed summary sections

How could I check specifically if the data section is collapsed based on the OPTION setting?

Use set_option as a context manager and do a test much like the one above. 

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