last test and suppress caught warning

test/unit/test_rsmap.py

@@ -188,6 +188,7 @@ def test_has_uncertainties(noise_free_map: Map) -> None:
     assert not noise_free_map.has_uncertainties
 
 
+@pytest.mark.filterwarnings("ignore:Pandas doesn't allow columns to be created via a new attribute")
 def test_set_uncertainties() -> None:
     test_map = Map.from_dict(
         {"F": rs.DataSeries([2.0, 3.0, 4.0]), "PHI": rs.DataSeries([0.0, 0.0, 0.0])},
@@ -197,6 +198,7 @@ def test_set_uncertainties() -> None:
     with pytest.raises(AttributeError):
         _ = test_map.uncertainties
 
+    # this would normally generate the suppressed warning, but we are more strict and raise
     with pytest.raises(AttributeError):
         test_map.uncertainties = rs.DataSeries([2.0, 3.0, 4.0])
 

test/unit/test_utils.py

@@ -23,6 +23,13 @@ def test_filter_common_indices() -> None:
     assert len(filtered_df2) == 2
 
 
+def test_filter_common_indices_empty_intersection() -> None:
+    df1 = pd.DataFrame({"A": [1, 2, 3]}, index=[0, 1, 2])
+    df2 = pd.DataFrame({"B": [4, 5, 6]}, index=[4, 5, 6])
+    with pytest.raises(IndexError):
+        _, _ = utils.filter_common_indices(df1, df2)
+
+
 @pytest.mark.parametrize(
     ("dmax_limit", "dmin_limit"),
     [