[jira] [Resolved] (ARROW-2508) [Python] pytest API changes make tests fail

["Antoine Pitrou (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-2508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou resolved ARROW-2508.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 0.10.0

Issue resolved by pull request 1944
[https://github.com/apache/arrow/pull/1944]

> [Python] pytest API changes make tests fail
> -------------------------------------------
>
>                 Key: ARROW-2508
>                 URL: https://issues.apache.org/jira/browse/ARROW-2508
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Philipp Moritz
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.10.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> Seems like there is a new pytest on pypy, it produces the following failures:
> ```
> =================================== FAILURES ===================================
> __ TestConvertDateTimeLikeTypes.test_pandas_datetime_to_date64_failures[None] __
>  
> self = <pyarrow.tests.test_convert_pandas.TestConvertDateTimeLikeTypes object at 0x112dd6a90>
> mask = None
>  
>  @pytest.mark.parametrize('mask', [
>  None,
>  np.ones(3),
>  np.array([True, False, False])
>  ])
>  def test_pandas_datetime_to_date64_failures(self, mask):
>  s = pd.to_datetime([
>  '2018-05-10T10:24:01',
>  '2018-05-11T10:24:01',
>  '2018-05-12T10:24:01',
>  ])
>  
>  expected_msg = 'Timestamp value had non-zero intraday milliseconds'
> > with pytest.raises(pa.ArrowInvalid, msg=expected_msg):
> E TypeError: Unexpected keyword arguments passed to pytest.raises: msg
>  
> pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/tests/test_convert_pandas.py:862: TypeError
> _ TestConvertDateTimeLikeTypes.test_pandas_datetime_to_date64_failures[mask1] __
>  
> self = <pyarrow.tests.test_convert_pandas.TestConvertDateTimeLikeTypes object at 0x113213160>
> mask = array([ 1., 1., 1.])
>  
>  @pytest.mark.parametrize('mask', [
>  None,
>  np.ones(3),
>  np.array([True, False, False])
>  ])
>  def test_pandas_datetime_to_date64_failures(self, mask):
>  s = pd.to_datetime([
>  '2018-05-10T10:24:01',
>  '2018-05-11T10:24:01',
>  '2018-05-12T10:24:01',
>  ])
>  
>  expected_msg = 'Timestamp value had non-zero intraday milliseconds'
> > with pytest.raises(pa.ArrowInvalid, msg=expected_msg):
> E TypeError: Unexpected keyword arguments passed to pytest.raises: msg
>  
> pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/tests/test_convert_pandas.py:862: TypeError
> _ TestConvertDateTimeLikeTypes.test_pandas_datetime_to_date64_failures[mask2] __
>  
> self = <pyarrow.tests.test_convert_pandas.TestConvertDateTimeLikeTypes object at 0x112ed4c88>
> mask = array([ True, False, False], dtype=bool)
>  
>  @pytest.mark.parametrize('mask', [
>  None,
>  np.ones(3),
>  np.array([True, False, False])
>  ])
>  def test_pandas_datetime_to_date64_failures(self, mask):
>  s = pd.to_datetime([
>  '2018-05-10T10:24:01',
>  '2018-05-11T10:24:01',
>  '2018-05-12T10:24:01',
>  ])
>  
>  expected_msg = 'Timestamp value had non-zero intraday milliseconds'
> > with pytest.raises(pa.ArrowInvalid, msg=expected_msg):
> E TypeError: Unexpected keyword arguments passed to pytest.raises: msg
>  
> pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/tests/test_convert_pandas.py:862: TypeError
> =========================== short test summary info ============================
> ```
> I think we can just change msg to message and it should work again.



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