76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
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import numpy as np
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import pandas as pd
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import pandas.util.testing as tm
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from pandas import TimedeltaIndex, timedelta_range, Int64Index
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class TestTimedeltaIndex(object):
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def test_union(self):
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i1 = timedelta_range('1day', periods=5)
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i2 = timedelta_range('3day', periods=5)
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result = i1.union(i2)
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expected = timedelta_range('1day', periods=7)
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tm.assert_index_equal(result, expected)
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i1 = Int64Index(np.arange(0, 20, 2))
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i2 = TimedeltaIndex(start='1 day', periods=10, freq='D')
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i1.union(i2) # Works
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i2.union(i1) # Fails with "AttributeError: can't set attribute"
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def test_union_coverage(self):
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idx = TimedeltaIndex(['3d', '1d', '2d'])
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ordered = TimedeltaIndex(idx.sort_values(), freq='infer')
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result = ordered.union(idx)
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tm.assert_index_equal(result, ordered)
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result = ordered[:0].union(ordered)
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tm.assert_index_equal(result, ordered)
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assert result.freq == ordered.freq
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def test_union_bug_1730(self):
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rng_a = timedelta_range('1 day', periods=4, freq='3H')
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rng_b = timedelta_range('1 day', periods=4, freq='4H')
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result = rng_a.union(rng_b)
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exp = TimedeltaIndex(sorted(set(list(rng_a)) | set(list(rng_b))))
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tm.assert_index_equal(result, exp)
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def test_union_bug_1745(self):
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left = TimedeltaIndex(['1 day 15:19:49.695000'])
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right = TimedeltaIndex(['2 day 13:04:21.322000',
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'1 day 15:27:24.873000',
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'1 day 15:31:05.350000'])
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result = left.union(right)
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exp = TimedeltaIndex(sorted(set(list(left)) | set(list(right))))
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tm.assert_index_equal(result, exp)
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def test_union_bug_4564(self):
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left = timedelta_range("1 day", "30d")
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right = left + pd.offsets.Minute(15)
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result = left.union(right)
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exp = TimedeltaIndex(sorted(set(list(left)) | set(list(right))))
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tm.assert_index_equal(result, exp)
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def test_intersection_bug_1708(self):
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index_1 = timedelta_range('1 day', periods=4, freq='h')
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index_2 = index_1 + pd.offsets.Hour(5)
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result = index_1 & index_2
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assert len(result) == 0
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index_1 = timedelta_range('1 day', periods=4, freq='h')
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index_2 = index_1 + pd.offsets.Hour(1)
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result = index_1 & index_2
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expected = timedelta_range('1 day 01:00:00', periods=3, freq='h')
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tm.assert_index_equal(result, expected)
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