47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
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from pandas import MultiIndex
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class TestIsLexsorted:
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def test_is_lexsorted(self):
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levels = [[0, 1], [0, 1, 2]]
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index = MultiIndex(
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levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 1, 2]]
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)
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assert index.is_lexsorted()
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index = MultiIndex(
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levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 2, 1]]
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)
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assert not index.is_lexsorted()
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index = MultiIndex(
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levels=levels, codes=[[0, 0, 1, 0, 1, 1], [0, 1, 0, 2, 2, 1]]
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)
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assert not index.is_lexsorted()
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assert index.lexsort_depth == 0
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class TestLexsortDepth:
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def test_lexsort_depth(self):
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# Test that lexsort_depth return the correct sortorder
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# when it was given to the MultiIndex const.
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# GH#28518
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levels = [[0, 1], [0, 1, 2]]
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index = MultiIndex(
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levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 1, 2]], sortorder=2
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)
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assert index.lexsort_depth == 2
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index = MultiIndex(
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levels=levels, codes=[[0, 0, 0, 1, 1, 1], [0, 1, 2, 0, 2, 1]], sortorder=1
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)
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assert index.lexsort_depth == 1
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index = MultiIndex(
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levels=levels, codes=[[0, 0, 1, 0, 1, 1], [0, 1, 0, 2, 2, 1]], sortorder=0
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)
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assert index.lexsort_depth == 0
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