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TST: add test case for PeriodIndex in HDFStore(GH7796) #48618

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Merged
merged 3 commits into from
Sep 20, 2022
+14 −0
Merged

TST: add test case for PeriodIndex in HDFStore(GH7796) #48618

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TST: add test case for PeriodIndex in HDFStore
paradox-lab2 Sep 18, 2022
5cb23b4
TST: add test case for PeriodIndex in HDFStore
paradox-lab2 Sep 18, 2022
664b332
use pytest.mark.parameterize instead
paradox-lab2 Sep 20, 2022
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14 changes: 14 additions & 0 deletions pandas/tests/io/pytables/test_put.py
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Original file line number Diff line number Diff line change
Expand Up @@ -365,3 +365,17 @@ def make_index(names=None):
)
store.append("df", df)
tm.assert_frame_equal(store.select("df"), df)


@pytest.mark.parametrize("format", ["fixed", "table"])
def test_store_periodindex(setup_path, format):
# GH 7796
# test of PeriodIndex in HDFStore
df = DataFrame(
np.random.randn(5, 1), index=pd.period_range("20220101", freq="M", periods=5)
)

with ensure_clean_path(setup_path) as path:
df.to_hdf(path, "df", mode="w", format=format)
expected = pd.read_hdf(path, "df")
tm.assert_frame_equal(df, expected)