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