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88 lines
2.6 KiB
88 lines
2.6 KiB
import numpy as np
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import pytest
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from pandas import (
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Interval,
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Timedelta,
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Timestamp,
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)
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@pytest.fixture
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def interval():
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return Interval(0, 1)
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class TestInterval:
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def test_properties(self, interval):
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assert interval.closed == "right"
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assert interval.left == 0
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assert interval.right == 1
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assert interval.mid == 0.5
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def test_hash(self, interval):
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# should not raise
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hash(interval)
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@pytest.mark.parametrize(
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"left, right, expected",
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[
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(0, 5, 5),
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(-2, 5.5, 7.5),
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(10, 10, 0),
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(10, np.inf, np.inf),
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(-np.inf, -5, np.inf),
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(-np.inf, np.inf, np.inf),
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(Timedelta("0 days"), Timedelta("5 days"), Timedelta("5 days")),
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(Timedelta("10 days"), Timedelta("10 days"), Timedelta("0 days")),
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(Timedelta("1h10min"), Timedelta("5h5min"), Timedelta("3h55min")),
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(Timedelta("5s"), Timedelta("1h"), Timedelta("59min55s")),
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],
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)
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def test_length(self, left, right, expected):
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# GH 18789
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iv = Interval(left, right)
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result = iv.length
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assert result == expected
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@pytest.mark.parametrize(
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"left, right, expected",
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[
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("2017-01-01", "2017-01-06", "5 days"),
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("2017-01-01", "2017-01-01 12:00:00", "12 hours"),
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("2017-01-01 12:00", "2017-01-01 12:00:00", "0 days"),
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("2017-01-01 12:01", "2017-01-05 17:31:00", "4 days 5 hours 30 min"),
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],
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)
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@pytest.mark.parametrize("tz", (None, "UTC", "CET", "US/Eastern"))
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def test_length_timestamp(self, tz, left, right, expected):
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# GH 18789
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iv = Interval(Timestamp(left, tz=tz), Timestamp(right, tz=tz))
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result = iv.length
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expected = Timedelta(expected)
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assert result == expected
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@pytest.mark.parametrize(
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"left, right",
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[
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(0, 1),
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(Timedelta("0 days"), Timedelta("1 day")),
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(Timestamp("2018-01-01"), Timestamp("2018-01-02")),
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(
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Timestamp("2018-01-01", tz="US/Eastern"),
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Timestamp("2018-01-02", tz="US/Eastern"),
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),
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],
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)
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def test_is_empty(self, left, right, closed):
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# GH27219
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# non-empty always return False
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iv = Interval(left, right, closed)
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assert iv.is_empty is False
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# same endpoint is empty except when closed='both' (contains one point)
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iv = Interval(left, left, closed)
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result = iv.is_empty
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expected = closed != "both"
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assert result is expected
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