TST: parameterize indexes base test to introspect ufuncs fails on numpy_dev

Author: jreback

pandas/tests/indexes/common.py

@@ -677,58 +677,59 @@ def test_equals_op(self):
  tm.assert_numpy_array_equal(index_a == item, expected3)
  tm.assert_series_equal(series_a == item, Series(expected3))
 
- def test_numpy_ufuncs(self):
+ def test_numpy_ufuncs(self, indices):
  # test ufuncs of numpy, see:
  # http://docs.scipy.org/doc/numpy/reference/ufuncs.html
 
- for name, idx in self.indices.items():
- for func in [np.exp, np.exp2, np.expm1, np.log, np.log2, np.log10,
- np.log1p, np.sqrt, np.sin, np.cos, np.tan, np.arcsin,
- np.arccos, np.arctan, np.sinh, np.cosh, np.tanh,
- np.arcsinh, np.arccosh, np.arctanh, np.deg2rad,
- np.rad2deg]:
- if isinstance(idx, DatetimeIndexOpsMixin):
- # raise TypeError or ValueError (PeriodIndex)
- # PeriodIndex behavior should be changed in future version
+ idx = indices
+ for func in [np.exp, np.exp2, np.expm1, np.log, np.log2, np.log10,
+ np.log1p, np.sqrt, np.sin, np.cos, np.tan, np.arcsin,
+ np.arccos, np.arctan, np.sinh, np.cosh, np.tanh,
+ np.arcsinh, np.arccosh, np.arctanh, np.deg2rad,
+ np.rad2deg]:
+ if isinstance(idx, DatetimeIndexOpsMixin):
+ # raise TypeError or ValueError (PeriodIndex)
+ # PeriodIndex behavior should be changed in future version
+ with pytest.raises(Exception):
+ with np.errstate(all='ignore'):
+ func(idx)
+ elif isinstance(idx, (Float64Index, Int64Index, UInt64Index)):
+ # coerces to float (e.g. np.sin)
+ with np.errstate(all='ignore'):
+ result = func(idx)
+ exp = Index(func(idx.values), name=idx.name)
+
+ tm.assert_index_equal(result, exp)
+ assert isinstance(result, pd.Float64Index)
+ else:
+ # raise AttributeError or TypeError
+ if len(idx) == 0:
+ continue
+ else:
  with pytest.raises(Exception):
  with np.errstate(all='ignore'):
  func(idx)
- elif isinstance(idx, (Float64Index, Int64Index, UInt64Index)):
- # coerces to float (e.g. np.sin)
- with np.errstate(all='ignore'):
- result = func(idx)
- exp = Index(func(idx.values), name=idx.name)
 
- tm.assert_index_equal(result, exp)
- assert isinstance(result, pd.Float64Index)
+ for func in [np.isfinite, np.isinf, np.isnan, np.signbit]:
+ if isinstance(idx, DatetimeIndexOpsMixin):
+ # raise TypeError or ValueError (PeriodIndex)
+ with pytest.raises(Exception):
+ func(idx)
+ elif isinstance(idx, (Float64Index, Int64Index, UInt64Index)):
+ # Results in bool array
+ result = func(idx)
+ assert isinstance(result, np.ndarray)
+ assert not isinstance(result, Index)
+ else:
+ if len(idx) == 0:
+ continue
  else:
- # raise AttributeError or TypeError
- if len(idx) == 0:
- continue
- else:
- with pytest.raises(Exception):
- with np.errstate(all='ignore'):
- func(idx)
-
- for func in [np.isfinite, np.isinf, np.isnan, np.signbit]:
- if isinstance(idx, DatetimeIndexOpsMixin):
- # raise TypeError or ValueError (PeriodIndex)
  with pytest.raises(Exception):
  func(idx)
- elif isinstance(idx, (Float64Index, Int64Index, UInt64Index)):
- # Results in bool array
- result = func(idx)
- assert isinstance(result, np.ndarray)
- assert not isinstance(result, Index)
- else:
- if len(idx) == 0:
- continue
- else:
- with pytest.raises(Exception):
- func(idx)
 
  def test_hasnans_isnans(self):
  # GH 11343, added tests for hasnans / isnans
+
  for name, index in self.indices.items():
  if isinstance(index, MultiIndex):
  pass