REF: tests.indexes.numeric.py

pandas/tests/indexes/categorical/test_category.py

@@ -17,7 +17,7 @@
 
 
 class TestCategoricalIndex(Base):
-    _holder = CategoricalIndex
+    _index_cls = CategoricalIndex
 
     @pytest.fixture
     def index(self, request):

pandas/tests/indexes/common.py

@@ -31,7 +31,7 @@
 class Base:
     """ base class for index sub-class tests """
 
-    _holder: Type[Index]
+    _index_cls: Type[Index]
 
     def create_index(self) -> Index:
         raise NotImplementedError("Method not implemented")
@@ -45,7 +45,7 @@ def test_pickle_compat_construction(self):
             r"__new__\(\) takes at least 2 arguments \(1 given\)"
         )
         with pytest.raises(TypeError, match=msg):
-            self._holder()
+            self._index_cls()
 
     @pytest.mark.parametrize("name", [None, "new_name"])
     def test_to_frame(self, name):
@@ -495,7 +495,7 @@ def test_format(self):
 
     def test_format_empty(self):
         # GH35712
-        empty_idx = self._holder([])
+        empty_idx = self._index_cls([])
         assert empty_idx.format() == []
         assert empty_idx.format(name=True) == [""]
 

pandas/tests/indexes/datetimelike.py

@@ -51,11 +51,11 @@ def test_view(self):
         i = self.create_index()
 
         i_view = i.view("i8")
-        result = self._holder(i)
+        result = self._index_cls(i)
         tm.assert_index_equal(result, i)
 
-        i_view = i.view(self._holder)
-        result = self._holder(i)
+        i_view = i.view(self._index_cls)
+        result = self._index_cls(i)
         tm.assert_index_equal(result, i_view)
 
     def test_map_callable(self):

pandas/tests/indexes/datetimes/test_datetimelike.py

@@ -10,7 +10,7 @@
 
 
 class TestDatetimeIndex(DatetimeLike):
-    _holder = DatetimeIndex
+    _index_cls = DatetimeIndex
 
     @pytest.fixture(
         params=[tm.makeDateIndex(10), date_range("20130110", periods=10, freq="-1D")],

pandas/tests/indexes/interval/test_base.py

@@ -16,7 +16,7 @@ class TestBase(Base):
     in test_interval.py or the specific test file (e.g. test_astype.py)
     """
 
-    _holder = IntervalIndex
+    _index_cls = IntervalIndex
 
     @pytest.fixture
     def index(self):

pandas/tests/indexes/period/test_period.py

@@ -19,7 +19,7 @@
 
 
 class TestPeriodIndex(DatetimeLike):
-    _holder = PeriodIndex
+    _index_cls = PeriodIndex
 
     @pytest.fixture(
         params=[
@@ -357,7 +357,7 @@ def test_map(self):
 
     def test_format_empty(self):
         # GH35712
-        empty_idx = self._holder([], freq="A")
+        empty_idx = self._index_cls([], freq="A")
         assert empty_idx.format() == []
         assert empty_idx.format(name=True) == [""]
 

pandas/tests/indexes/ranges/test_range.py

@@ -21,7 +21,7 @@
 
 
 class TestRangeIndex(Numeric):
-    _holder = RangeIndex
+    _index_cls = RangeIndex
 
     @pytest.fixture(
         params=[
@@ -506,7 +506,7 @@ def test_engineless_lookup(self):
 
     def test_format_empty(self):
         # GH35712
-        empty_idx = self._holder(0)
+        empty_idx = self._index_cls(0)
         assert empty_idx.format() == []
         assert empty_idx.format(name=True) == [""]
 

pandas/tests/indexes/test_base.py

@@ -46,7 +46,7 @@
 
 
 class TestIndex(Base):
-    _holder = Index
+    _index_cls = Index
 
     def create_index(self) -> Index:
         return Index(list("abcde"))
@@ -1415,7 +1415,7 @@ class TestMixedIntIndex(Base):
     # Mostly the tests from common.py for which the results differ
     # in py2 and py3 because ints and strings are uncomparable in py3
     # (GH 13514)
-    _holder = Index
+    _index_cls = Index
 
     @pytest.fixture(params=[[0, "a", 1, "b", 2, "c"]], ids=["mixedIndex"])
     def index(self, request):