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TST: split chaining tests #39684

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Merged
merged 1 commit into from
Feb 8, 2021
Merged

TST: split chaining tests #39684

merged 1 commit into from
Feb 8, 2021

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jbrockmendel
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  • closes #xxxx
  • tests added / passed
  • Ensure all linting tests pass, see here for how to run them
  • whatsnew entry

jreback
jreback approved these changes Feb 8, 2021
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pandas/tests/indexing/test_chaining_and_caching.py
# an identical take, so no copy
df = DataFrame({"a": [1]}).dropna()
assert df._is_copy is None
df["a"] += 1

@pytest.mark.arm_slow
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might be worthile to move the slow to a separate file and just mark it

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im not wild about that pattern, but dont have a better alternative ATM. im happy enough with how it is here

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i c. maybe leave these decorators, but split anyhow just to make it more obvious?

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i think the follow-up is to see if there's only a subset of these that are actually slow

@jreback jreback added Indexing Related to indexing on series/frames, not to indexes themselves Testing pandas testing functions or related to the test suite labels Feb 8, 2021
@jreback jreback added this to the 1.3 milestone Feb 8, 2021
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jreback commented Feb 8, 2021

lgtm. small comment, ok for followon or here.

@jreback jreback merged commit df5591e into pandas-dev:master Feb 8, 2021
@jbrockmendel jbrockmendel deleted the tst-chained branch February 8, 2021 22:53
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@jreback jreback jreback approved these changes

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Indexing Related to indexing on series/frames, not to indexes themselves Testing pandas testing functions or related to the test suite
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