32 lines
1021 B
Python
32 lines
1021 B
Python
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import numpy as np
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from pandas import DataFrame, MultiIndex, Series
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import pandas._testing as tm
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class TestMultiIndexInsertion:
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def test_setitem_mixed_depth(self):
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arrays = [
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["a", "top", "top", "routine1", "routine1", "routine2"],
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["", "OD", "OD", "result1", "result2", "result1"],
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["", "wx", "wy", "", "", ""],
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]
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tuples = sorted(zip(*arrays))
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index = MultiIndex.from_tuples(tuples)
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df = DataFrame(np.random.randn(4, 6), columns=index)
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result = df.copy()
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expected = df.copy()
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result["b"] = [1, 2, 3, 4]
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expected["b", "", ""] = [1, 2, 3, 4]
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tm.assert_frame_equal(result, expected)
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def test_dataframe_insert_column_all_na(self):
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# GH #1534
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mix = MultiIndex.from_tuples([("1a", "2a"), ("1a", "2b"), ("1a", "2c")])
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df = DataFrame([[1, 2], [3, 4], [5, 6]], index=mix)
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s = Series({(1, 1): 1, (1, 2): 2})
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df["new"] = s
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assert df["new"].isna().all()
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