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TST: test for warnings using pytest.warns() #56974

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merged 2 commits into from
Jan 23, 2024
Merged

TST: test for warnings using pytest.warns() #56974

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1d1d1e6
TST: test for warnings using tm.assert_produces_warning()
mgorny Jan 20, 2024
82c4743
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jan 23, 2024
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8 changes: 5 additions & 3 deletions pandas/tests/io/xml/test_xml.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1361,16 +1361,18 @@ def test_stylesheet_with_etree(kml_cta_rail_lines, xsl_flatten_doc):

@pytest.mark.parametrize("val", ["", b""])
def test_empty_stylesheet(val):
pytest.importorskip("lxml")
lxml_etree = pytest.importorskip("lxml.etree")

msg = (
"Passing literal xml to 'read_xml' is deprecated and "
"will be removed in a future version. To read from a "
"literal string, wrap it in a 'StringIO' object."
)
kml = os.path.join("data", "xml", "cta_rail_lines.kml")

with pytest.raises(FutureWarning, match=msg):
read_xml(kml, stylesheet=val)
with pytest.raises(lxml_etree.XMLSyntaxError):
with tm.assert_produces_warning(FutureWarning, match=msg):
read_xml(kml, stylesheet=val)


# ITERPARSE
Expand Down
6 changes: 4 additions & 2 deletions pandas/tests/tslibs/test_to_offset.py
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Expand Up @@ -8,6 +8,8 @@
to_offset,
)

import pandas._testing as tm


@pytest.mark.parametrize(
"freq_input,expected",
Expand Down Expand Up @@ -194,7 +196,7 @@ def test_to_offset_lowercase_frequency_deprecated(freq_depr):
depr_msg = f"'{freq_depr[1:]}' is deprecated and will be removed in a "
f"future version, please use '{freq_depr.upper()[1:]}' instead."

with pytest.raises(FutureWarning, match=depr_msg):
with tm.assert_produces_warning(FutureWarning, match=depr_msg):
to_offset(freq_depr)


Expand All @@ -214,5 +216,5 @@ def test_to_offset_uppercase_frequency_deprecated(freq_depr):
depr_msg = f"'{freq_depr[1:]}' is deprecated and will be removed in a "
f"future version, please use '{freq_depr.lower()[1:]}' instead."

with pytest.raises(FutureWarning, match=depr_msg):
with tm.assert_produces_warning(FutureWarning, match=depr_msg):
to_offset(freq_depr)