TST: Cleanup more warning filtering (#50723)

* TST: Cleanup more warning filtering

* Catch another futurewarning

Author: mroeschke

pandas/conftest.py

@@ -92,10 +92,6 @@
     except zoneinfo.ZoneInfoNotFoundError:  # type: ignore[attr-defined]
         zoneinfo = None
 
-# Until https://github.com/numpy/numpy/issues/19078 is sorted out, just suppress
-suppress_npdev_promotion_warning = pytest.mark.filterwarnings(
-    "ignore:Promotion of numbers and bools:FutureWarning"
-)
 
 # ----------------------------------------------------------------
 # Configuration / Settings
@@ -171,7 +167,6 @@ def pytest_collection_modifyitems(items, config) -> None:
         # mark all tests in the pandas/tests/frame directory with "arraymanager"
         if "/frame/" in item.nodeid:
             item.add_marker(pytest.mark.arraymanager)
-        item.add_marker(suppress_npdev_promotion_warning)
 
         for (mark, kwd, skip_if_found, arg_name) in marks:
             if kwd in item.keywords:

pandas/core/nanops.py

@@ -752,7 +752,9 @@ def get_median(x):
             return np.nan
         with warnings.catch_warnings():
             # Suppress RuntimeWarning about All-NaN slice
-            warnings.filterwarnings("ignore", "All-NaN slice encountered")
+            warnings.filterwarnings(
+                "ignore", "All-NaN slice encountered", RuntimeWarning
+            )
             res = np.nanmedian(x[mask])
         return res
 
@@ -780,7 +782,9 @@ def get_median(x):
                 # fastpath for the skipna case
                 with warnings.catch_warnings():
                     # Suppress RuntimeWarning about All-NaN slice
-                    warnings.filterwarnings("ignore", "All-NaN slice encountered")
+                    warnings.filterwarnings(
+                        "ignore", "All-NaN slice encountered", RuntimeWarning
+                    )
                     res = np.nanmedian(values, axis)
 
         else:

pandas/tests/arrays/floating/test_function.py

@@ -9,7 +9,7 @@
 
 @pytest.mark.parametrize("ufunc", [np.abs, np.sign])
 # np.sign emits a warning with nans, <https://github.com/numpy/numpy/issues/15127>
-@pytest.mark.filterwarnings("ignore:invalid value encountered in sign")
+@pytest.mark.filterwarnings("ignore:invalid value encountered in sign:RuntimeWarning")
 def test_ufuncs_single(ufunc):
     a = pd.array([1, 2, -3, np.nan], dtype="Float64")
     result = ufunc(a)

pandas/tests/arrays/integer/test_function.py

@@ -8,7 +8,7 @@
 
 @pytest.mark.parametrize("ufunc", [np.abs, np.sign])
 # np.sign emits a warning with nans, <https://github.com/numpy/numpy/issues/15127>
-@pytest.mark.filterwarnings("ignore:invalid value encountered in sign")
+@pytest.mark.filterwarnings("ignore:invalid value encountered in sign:RuntimeWarning")
 def test_ufuncs_single_int(ufunc):
     a = pd.array([1, 2, -3, np.nan])
     result = ufunc(a)

pandas/tests/io/excel/test_xlsxwriter.py

@@ -1,5 +1,4 @@
 import contextlib
-import warnings
 
 import pytest
 
@@ -16,10 +15,7 @@
 def test_column_format(ext):
     # Test that column formats are applied to cells. Test for issue #9167.
     # Applicable to xlsxwriter only.
-    with warnings.catch_warnings():
-        # Ignore the openpyxl lxml warning.
-        warnings.simplefilter("ignore")
-        openpyxl = pytest.importorskip("openpyxl")
+    openpyxl = pytest.importorskip("openpyxl")
 
     with tm.ensure_clean(ext) as path:
         frame = DataFrame({"A": [123456, 123456], "B": [123456, 123456]})

pandas/tests/io/json/test_json_table_schema.py

@@ -260,9 +260,6 @@ def test_read_json_from_to_json_results(self):
         tm.assert_frame_equal(result1, df)
         tm.assert_frame_equal(result2, df)
 
-    @pytest.mark.filterwarnings(
-        "ignore:an integer is required (got type float)*:DeprecationWarning"
-    )
     def test_to_json(self, df_table):
         df = df_table
         df.index.name = "idx"
@@ -439,9 +436,6 @@ def test_to_json_categorical_index(self):
 
         assert result == expected
 
-    @pytest.mark.filterwarnings(
-        "ignore:an integer is required (got type float)*:DeprecationWarning"
-    )
     def test_date_format_raises(self, df_table):
         msg = (
             "Trying to write with `orient='table'` and `date_format='epoch'`. Table "
@@ -785,9 +779,6 @@ def test_read_json_table_timezones_orient(self, idx, vals, recwarn):
         result = pd.read_json(out, orient="table")
         tm.assert_frame_equal(df, result)
 
-    @pytest.mark.filterwarnings(
-        "ignore:an integer is required (got type float)*:DeprecationWarning"
-    )
     def test_comprehensive(self):
         df = DataFrame(
             {

pandas/tests/io/json/test_pandas.py

@@ -32,9 +32,6 @@ def assert_json_roundtrip_equal(result, expected, orient):
     tm.assert_frame_equal(result, expected)
 
 
-@pytest.mark.filterwarnings(
-    "ignore:an integer is required (got type float)*:DeprecationWarning"
-)
 class TestPandasContainer:
     @pytest.fixture
     def categorical_frame(self):

pandas/tests/io/parser/common/test_read_errors.py

@@ -221,9 +221,9 @@ def test_open_file(request, all_parsers):
         file = Path(path)
         file.write_bytes(b"\xe4\na\n1")
 
-        # should not trigger a ResourceWarning
-        warnings.simplefilter("always", category=ResourceWarning)
         with warnings.catch_warnings(record=True) as record:
+            # should not trigger a ResourceWarning
+            warnings.simplefilter("always", category=ResourceWarning)
             with pytest.raises(csv.Error, match="Could not determine delimiter"):
                 parser.read_csv(file, sep=None, encoding_errors="replace")
             assert len(record) == 0, record[0].message

pandas/tests/io/pytables/test_append.py

@@ -26,7 +26,6 @@
 pytestmark = pytest.mark.single_cpu
 
 
-@pytest.mark.filterwarnings("ignore:object name:tables.exceptions.NaturalNameWarning")
 def test_append(setup_path):
 
     with ensure_clean_store(setup_path) as store:

pandas/tests/io/pytables/test_retain_attributes.py

@@ -73,9 +73,6 @@ def test_retain_index_attributes(setup_path):
         store.append("df2", df3)
 
 
-@pytest.mark.filterwarnings(
-    "ignore:\\nthe :pandas.io.pytables.AttributeConflictWarning"
-)
 def test_retain_index_attributes2(tmp_path, setup_path):
     path = tmp_path / setup_path