import numpy as np
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import pytest
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from pandas import (
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DataFrame,
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Series,
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)
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import pandas._testing as tm
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from pandas.io.pytables import (
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HDFStore,
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read_hdf,
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)
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pytest.importorskip("tables")
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|
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class TestHDFStoreSubclass:
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# GH 33748
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def test_supported_for_subclass_dataframe(self, tmp_path):
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data = {"a": [1, 2], "b": [3, 4]}
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sdf = tm.SubclassedDataFrame(data, dtype=np.intp)
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expected = DataFrame(data, dtype=np.intp)
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path = tmp_path / "temp.h5"
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sdf.to_hdf(path, "df")
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result = read_hdf(path, "df")
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tm.assert_frame_equal(result, expected)
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path = tmp_path / "temp.h5"
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with HDFStore(path) as store:
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store.put("df", sdf)
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result = read_hdf(path, "df")
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tm.assert_frame_equal(result, expected)
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def test_supported_for_subclass_series(self, tmp_path):
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data = [1, 2, 3]
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sser = tm.SubclassedSeries(data, dtype=np.intp)
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expected = Series(data, dtype=np.intp)
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path = tmp_path / "temp.h5"
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sser.to_hdf(path, "ser")
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result = read_hdf(path, "ser")
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tm.assert_series_equal(result, expected)
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path = tmp_path / "temp.h5"
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with HDFStore(path) as store:
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store.put("ser", sser)
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result = read_hdf(path, "ser")
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tm.assert_series_equal(result, expected)
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