Remove week/weekofyear attributes from tests

Author: mgmarino

pandas/tests/groupby/transform/test_transform.py

@@ -1025,7 +1025,9 @@ def test_groupby_transform_with_datetimes(func, values):
     dates = pd.date_range("1/1/2011", periods=10, freq="D")
 
     stocks = pd.DataFrame({"price": np.arange(10.0)}, index=dates)
-    stocks["week_id"] = pd.to_datetime(stocks.index).week
+    stocks["week_id"] = (
+        pd.to_datetime(stocks.index).isocalendar().set_index(stocks.index).week
+    )
 
     result = stocks.groupby(stocks["week_id"])["price"].transform(func)
 

pandas/tests/indexes/datetimes/test_misc.py

@@ -156,8 +156,8 @@ def test_datetimeindex_accessors(self):
             assert dti.dayofyear[0] == 1
             assert dti.dayofyear[120] == 121
 
-            assert dti.weekofyear[0] == 1
-            assert dti.weekofyear[120] == 18
+            assert dti.isocalendar().week[0] == 1
+            assert dti.isocalendar().week[120] == 18
 
             assert dti.quarter[0] == 1
             assert dti.quarter[120] == 2
@@ -192,7 +192,7 @@ def test_datetimeindex_accessors(self):
             assert len(dti.microsecond) == 365
             assert len(dti.dayofweek) == 365
             assert len(dti.dayofyear) == 365
-            assert len(dti.weekofyear) == 365
+            assert len(dti.isocalendar()) == 365
             assert len(dti.quarter) == 365
             assert len(dti.is_month_start) == 365
             assert len(dti.is_month_end) == 365
@@ -288,7 +288,7 @@ def test_datetimeindex_accessors(self):
         dates = ["2013/12/29", "2013/12/30", "2013/12/31"]
         dates = DatetimeIndex(dates, tz="Europe/Brussels")
         expected = [52, 1, 1]
-        assert dates.weekofyear.tolist() == expected
+        assert dates.isocalendar().week.tolist() == expected
         assert [d.weekofyear for d in dates] == expected
 
     # GH 12806