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TST: skips in extension.test_categorical #39062

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merged 3 commits into from
Jan 12, 2021

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rhshadrach
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cc @simonjayhawkins

For the searchsorted test, the categorical data starts off ordered as "C" < "A" < "B" but then gets reordered in the test by these lines:

b, c, a = data_for_sorting
arr = type(data_for_sorting)._from_sequence([a, b, c])

so the ordering becomes "A" < "B" < "C". This causes failure when "C" is said to be inserted at index 3 (new order) to preserve order rather than the expected 0 (original order).

@rhshadrach rhshadrach added the Testing pandas testing functions or related to the test suite label Jan 9, 2021
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Thanks @rhshadrach for following up on this.

@jreback jreback added the Categorical Categorical Data Type label Jan 9, 2021
@jreback jreback added this to the 1.3 milestone Jan 9, 2021

if op_name == "__rmod__":
request.node.add_marker(
pytest.mark.xfail(
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Is this change related? (I wouldn't know if an xfail is more appropriate here than a skip)

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Related to #38904 that this PR is trying to close, but not to the other skip/xfail in this PR. Will split off into a separate PR if desired.

This test is doing op(Series, const) expecting it to raise, where Series consists of and const is a string. There is no rmod in the python library operator, and so the test is instead doing lambda x, y: mod(const, Series) . This doesn't raise.

This is always expected to "fail" (meaning not raise), and I think we'd want to know if it didn't. This is why I went with xfail over skip here.

@jreback jreback merged commit 6b3618d into pandas-dev:master Jan 12, 2021
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jreback commented Jan 12, 2021

thanks @rhshadrach

@rhshadrach rhshadrach deleted the skips_in_test_categorical branch January 12, 2021 01:28
luckyvs1 pushed a commit to luckyvs1/pandas that referenced this pull request Jan 20, 2021
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TST: skips in extension.test_categorical
4 participants