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28 lines
853 B
28 lines
853 B
"""
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Tests for np.foo applied to DataFrame, not necessarily ufuncs.
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"""
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import numpy as np
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from pandas import (
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Categorical,
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DataFrame,
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)
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import pandas._testing as tm
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class TestAsArray:
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def test_asarray_homogenous(self):
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df = DataFrame({"A": Categorical([1, 2]), "B": Categorical([1, 2])})
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result = np.asarray(df)
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# may change from object in the future
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expected = np.array([[1, 1], [2, 2]], dtype="object")
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tm.assert_numpy_array_equal(result, expected)
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def test_np_sqrt(self, float_frame):
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with np.errstate(all="ignore"):
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result = np.sqrt(float_frame)
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assert isinstance(result, type(float_frame))
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assert result.index is float_frame.index
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assert result.columns is float_frame.columns
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tm.assert_frame_equal(result, float_frame.apply(np.sqrt))
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