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