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TST: skips in extension.test_categorical #39062

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Merged
merged 3 commits into from
Jan 12, 2021
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TST: skips in extension.test_categorical #39062

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034cc3a
TST: skips in extension.test_categorical
rhshadrach Jan 9, 2021
8298998
Removed unnecessary override, simplified test_searchsorted
rhshadrach Jan 11, 2021
6fc7b72
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rhshadrach Jan 11, 2021
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5 changes: 4 additions & 1 deletion pandas/tests/extension/base/methods.py
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Original file line number Diff line number Diff line change
Expand Up @@ -394,7 +394,10 @@ def test_hash_pandas_object_works(self, data, as_frame):

def test_searchsorted(self, data_for_sorting, as_series):
b, c, a = data_for_sorting
arr = type(data_for_sorting)._from_sequence([a, b, c])
# Pass dtype so sorting order is not lost for Categorical
arr = type(data_for_sorting)._from_sequence(
[a, b, c], dtype=data_for_sorting.dtype
)

if as_series:
arr = pd.Series(arr)
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34 changes: 19 additions & 15 deletions pandas/tests/extension/test_categorical.py
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Expand Up @@ -175,9 +175,8 @@ def test_combine_add(self, data_repeated):
def test_fillna_length_mismatch(self, data_missing):
super().test_fillna_length_mismatch(data_missing)

def test_searchsorted(self, data_for_sorting):
if not data_for_sorting.ordered:
raise pytest.skip(reason="searchsorted requires ordered data.")
def test_searchsorted(self, data_for_sorting, as_series):
super().test_searchsorted(data_for_sorting, as_series)


class TestCasting(base.BaseCastingTests):
Expand Down Expand Up @@ -229,21 +228,26 @@ def test_consistent_casting(self, dtype, expected):


class TestArithmeticOps(base.BaseArithmeticOpsTests):
def test_arith_frame_with_scalar(self, data, all_arithmetic_operators):
def test_arith_frame_with_scalar(self, data, all_arithmetic_operators, request):
# frame & scalar
op_name = all_arithmetic_operators
if op_name != "__rmod__":
super().test_arith_frame_with_scalar(data, all_arithmetic_operators)
else:
pytest.skip("rmod never called when string is first argument")

def test_arith_series_with_scalar(self, data, all_arithmetic_operators):

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.

reason="rmod never called when string is first argument"
)
)
super().test_arith_frame_with_scalar(data, op_name)

def test_arith_series_with_scalar(self, data, all_arithmetic_operators, request):
op_name = all_arithmetic_operators
if op_name != "__rmod__":
super().test_arith_series_with_scalar(data, op_name)
else:
pytest.skip("rmod never called when string is first argument")
if op_name == "__rmod__":
request.node.add_marker(
pytest.mark.xfail(
reason="rmod never called when string is first argument"
)
)
super().test_arith_series_with_scalar(data, op_name)

def test_add_series_with_extension_array(self, data):
ser = pd.Series(data)
Expand Down