test_business_hour.py

"""
Tests for offsets.BusinessHour
"""
from __future__ import annotations

from datetime import (
    datetime,
    time as dt_time,
)

import pytest

from pandas._libs.tslibs import (
    Timedelta,
    Timestamp,
)
from pandas._libs.tslibs.offsets import (
    BDay,
    BusinessHour,
    Nano,
)

from pandas import (
    DatetimeIndex,
    _testing as tm,
    date_range,
)
from pandas.tests.tseries.offsets.common import assert_offset_equal


@pytest.fixture
def dt():
    return datetime(2014, 7, 1, 10, 00)


@pytest.fixture
def _offset():
    return BusinessHour


@pytest.fixture
def offset1():
    return BusinessHour()


@pytest.fixture
def offset2():
    return BusinessHour(n=3)


@pytest.fixture
def offset3():
    return BusinessHour(n=-1)


@pytest.fixture
def offset4():
    return BusinessHour(n=-4)


@pytest.fixture
def offset5():
    return BusinessHour(start=dt_time(11, 0), end=dt_time(14, 30))


@pytest.fixture
def offset6():
    return BusinessHour(start="20:00", end="05:00")


@pytest.fixture
def offset7():
    return BusinessHour(n=-2, start=dt_time(21, 30), end=dt_time(6, 30))


@pytest.fixture
def offset8():
    return BusinessHour(start=["09:00", "13:00"], end=["12:00", "17:00"])


@pytest.fixture
def offset9():
    return BusinessHour(n=3, start=["09:00", "22:00"], end=["13:00", "03:00"])


@pytest.fixture
def offset10():
    return BusinessHour(n=-1, start=["23:00", "13:00"], end=["02:00", "17:00"])


class TestBusinessHour:
    @pytest.mark.parametrize(
        "start,end,match",
        [
            (
                dt_time(11, 0, 5),
                "17:00",
                "time data must be specified only with hour and minute",
            ),
            ("AAA", "17:00", "time data must match '%H:%M' format"),
            ("14:00:05", "17:00", "time data must match '%H:%M' format"),
            ([], "17:00", "Must include at least 1 start time"),
            ("09:00", [], "Must include at least 1 end time"),
            (
                ["09:00", "11:00"],
                "17:00",
                "number of starting time and ending time must be the same",
            ),
            (
                ["09:00", "11:00"],
                ["10:00"],
                "number of starting time and ending time must be the same",
            ),
            (
                ["09:00", "11:00"],
                ["12:00", "20:00"],
                r"invalid starting and ending time\(s\): opening hours should not "
                "touch or overlap with one another",
            ),
            (
                ["12:00", "20:00"],
                ["09:00", "11:00"],
                r"invalid starting and ending time\(s\): opening hours should not "
                "touch or overlap with one another",
            ),
        ],
    )
    def test_constructor_errors(self, start, end, match):
        with pytest.raises(ValueError, match=match):
            BusinessHour(start=start, end=end)

    def test_different_normalize_equals(self, _offset):
        # GH#21404 changed __eq__ to return False when `normalize` does not match
        offset = _offset()
        offset2 = _offset(normalize=True)
        assert offset != offset2

    def test_repr(
        self,
        offset1,
        offset2,
        offset3,
        offset4,
        offset5,
        offset6,
        offset7,
        offset8,
        offset9,
        offset10,
    ):
        assert repr(offset1) == "<BusinessHour: BH=09:00-17:00>"
        assert repr(offset2) == "<3 * BusinessHours: BH=09:00-17:00>"
        assert repr(offset3) == "<-1 * BusinessHour: BH=09:00-17:00>"
        assert repr(offset4) == "<-4 * BusinessHours: BH=09:00-17:00>"

        assert repr(offset5) == "<BusinessHour: BH=11:00-14:30>"
        assert repr(offset6) == "<BusinessHour: BH=20:00-05:00>"
        assert repr(offset7) == "<-2 * BusinessHours: BH=21:30-06:30>"
        assert repr(offset8) == "<BusinessHour: BH=09:00-12:00,13:00-17:00>"
        assert repr(offset9) == "<3 * BusinessHours: BH=09:00-13:00,22:00-03:00>"
        assert repr(offset10) == "<-1 * BusinessHour: BH=13:00-17:00,23:00-02:00>"

    def test_with_offset(self, dt):
        expected = Timestamp("2014-07-01 13:00")

        assert dt + BusinessHour() * 3 == expected
        assert dt + BusinessHour(n=3) == expected

    @pytest.mark.parametrize(
        "offset_name",
        ["offset1", "offset2", "offset3", "offset4", "offset8", "offset9", "offset10"],
    )
    def test_eq_attribute(self, offset_name, request):
        offset = request.getfixturevalue(offset_name)
        assert offset == offset

    @pytest.mark.parametrize(
        "offset1,offset2",
        [
            (BusinessHour(start="09:00"), BusinessHour()),
            (
                BusinessHour(start=["23:00", "13:00"], end=["12:00", "17:00"]),
                BusinessHour(start=["13:00", "23:00"], end=["17:00", "12:00"]),
            ),
        ],
    )
    def test_eq(self, offset1, offset2):
        assert offset1 == offset2

    @pytest.mark.parametrize(
        "offset1,offset2",
        [
            (BusinessHour(), BusinessHour(-1)),
            (BusinessHour(start="09:00"), BusinessHour(start="09:01")),
            (
                BusinessHour(start="09:00", end="17:00"),
                BusinessHour(start="17:00", end="09:01"),
            ),
            (
                BusinessHour(start=["13:00", "23:00"], end=["18:00", "07:00"]),
                BusinessHour(start=["13:00", "23:00"], end=["17:00", "12:00"]),
            ),
        ],
    )
    def test_neq(self, offset1, offset2):
        assert offset1 != offset2

    @pytest.mark.parametrize(
        "offset_name",
        ["offset1", "offset2", "offset3", "offset4", "offset8", "offset9", "offset10"],
    )
    def test_hash(self, offset_name, request):
        offset = request.getfixturevalue(offset_name)
        assert offset == offset

    def test_add_datetime(
        self,
        dt,
        offset1,
        offset2,
        offset3,
        offset4,
        offset8,
        offset9,
        offset10,
    ):
        assert offset1 + dt == datetime(2014, 7, 1, 11)
        assert offset2 + dt == datetime(2014, 7, 1, 13)
        assert offset3 + dt == datetime(2014, 6, 30, 17)
        assert offset4 + dt == datetime(2014, 6, 30, 14)
        assert offset8 + dt == datetime(2014, 7, 1, 11)
        assert offset9 + dt == datetime(2014, 7, 1, 22)
        assert offset10 + dt == datetime(2014, 7, 1, 1)

    def test_sub(self, dt, offset2, _offset):
        off = offset2
        msg = "Cannot subtract datetime from offset"
        with pytest.raises(TypeError, match=msg):
            off - dt
        assert 2 * off - off == off

        assert dt - offset2 == dt + _offset(-3)

    def test_multiply_by_zero(self, dt, offset1, offset2):
        assert dt - 0 * offset1 == dt
        assert dt + 0 * offset1 == dt
        assert dt - 0 * offset2 == dt
        assert dt + 0 * offset2 == dt

    def testRollback1(
        self,
        dt,
        _offset,
        offset1,
        offset2,
        offset3,
        offset4,
        offset5,
        offset6,
        offset7,
        offset8,
        offset9,
        offset10,
    ):
        assert offset1.rollback(dt) == dt
        assert offset2.rollback(dt) == dt
        assert offset3.rollback(dt) == dt
        assert offset4.rollback(dt) == dt
        assert offset5.rollback(dt) == datetime(2014, 6, 30, 14, 30)
        assert offset6.rollback(dt) == datetime(2014, 7, 1, 5, 0)
        assert offset7.rollback(dt) == datetime(2014, 7, 1, 6, 30)
        assert offset8.rollback(dt) == dt
        assert offset9.rollback(dt) == dt
        assert offset10.rollback(dt) == datetime(2014, 7, 1, 2)

        datet = datetime(2014, 7, 1, 0)
        assert offset1.rollback(datet) == datetime(2014, 6, 30, 17)
        assert offset2.rollback(datet) == datetime(2014, 6, 30, 17)
        assert offset3.rollback(datet) == datetime(2014, 6, 30, 17)
        assert offset4.rollback(datet) == datetime(2014, 6, 30, 17)
        assert offset5.rollback(datet) == datetime(2014, 6, 30, 14, 30)
        assert offset6.rollback(datet) == datet
        assert offset7.rollback(datet) == datet
        assert offset8.rollback(datet) == datetime(2014, 6, 30, 17)
        assert offset9.rollback(datet) == datet
        assert offset10.rollback(datet) == datet

        assert _offset(5).rollback(dt) == dt

    def testRollback2(self, _offset):
        assert _offset(-3).rollback(datetime(2014, 7, 5, 15, 0)) == datetime(
            2014, 7, 4, 17, 0
        )

    def testRollforward1(
        self,
        dt,
        _offset,
        offset1,
        offset2,
        offset3,
        offset4,
        offset5,
        offset6,
        offset7,
        offset8,
        offset9,
        offset10,
    ):
        assert offset1.rollforward(dt) == dt
        assert offset2.rollforward(dt) == dt
        assert offset3.rollforward(dt) == dt
        assert offset4.rollforward(dt) == dt
        assert offset5.rollforward(dt) == datetime(2014, 7, 1, 11, 0)
        assert offset6.rollforward(dt) == datetime(2014, 7, 1, 20, 0)
        assert offset7.rollforward(dt) == datetime(2014, 7, 1, 21, 30)
        assert offset8.rollforward(dt) == dt
        assert offset9.rollforward(dt) == dt
        assert offset10.rollforward(dt) == datetime(2014, 7, 1, 13)

        datet = datetime(2014, 7, 1, 0)
        assert offset1.rollforward(datet) == datetime(2014, 7, 1, 9)
        assert offset2.rollforward(datet) == datetime(2014, 7, 1, 9)
        assert offset3.rollforward(datet) == datetime(2014, 7, 1, 9)
        assert offset4.rollforward(datet) == datetime(2014, 7, 1, 9)
        assert offset5.rollforward(datet) == datetime(2014, 7, 1, 11)
        assert offset6.rollforward(datet) == datet
        assert offset7.rollforward(datet) == datet
        assert offset8.rollforward(datet) == datetime(2014, 7, 1, 9)
        assert offset9.rollforward(datet) == datet
        assert offset10.rollforward(datet) == datet

        assert _offset(5).rollforward(dt) == dt

    def testRollforward2(self, _offset):
        assert _offset(-3).rollforward(datetime(2014, 7, 5, 16, 0)) == datetime(
            2014, 7, 7, 9
        )

    def test_roll_date_object(self):
        offset = BusinessHour()

        dt = datetime(2014, 7, 6, 15, 0)

        result = offset.rollback(dt)
        assert result == datetime(2014, 7, 4, 17)

        result = offset.rollforward(dt)
        assert result == datetime(2014, 7, 7, 9)

    normalize_cases = []
    normalize_cases.append(
        (
            BusinessHour(normalize=True),
            {
                datetime(2014, 7, 1, 8): datetime(2014, 7, 1),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 2),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 2),
                datetime(2014, 7, 1, 23): datetime(2014, 7, 2),
                datetime(2014, 7, 1, 0): datetime(2014, 7, 1),
                datetime(2014, 7, 4, 15): datetime(2014, 7, 4),
                datetime(2014, 7, 4, 15, 59): datetime(2014, 7, 4),
                datetime(2014, 7, 4, 16, 30): datetime(2014, 7, 7),
                datetime(2014, 7, 5, 23): datetime(2014, 7, 7),
                datetime(2014, 7, 6, 10): datetime(2014, 7, 7),
            },
        )
    )

    normalize_cases.append(
        (
            BusinessHour(-1, normalize=True),
            {
                datetime(2014, 7, 1, 8): datetime(2014, 6, 30),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 1),
                datetime(2014, 7, 1, 10): datetime(2014, 6, 30),
                datetime(2014, 7, 1, 0): datetime(2014, 6, 30),
                datetime(2014, 7, 7, 10): datetime(2014, 7, 4),
                datetime(2014, 7, 7, 10, 1): datetime(2014, 7, 7),
                datetime(2014, 7, 5, 23): datetime(2014, 7, 4),
                datetime(2014, 7, 6, 10): datetime(2014, 7, 4),
            },
        )
    )

    normalize_cases.append(
        (
            BusinessHour(1, normalize=True, start="17:00", end="04:00"),
            {
                datetime(2014, 7, 1, 8): datetime(2014, 7, 1),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1),
                datetime(2014, 7, 1, 23): datetime(2014, 7, 2),
                datetime(2014, 7, 2, 2): datetime(2014, 7, 2),
                datetime(2014, 7, 2, 3): datetime(2014, 7, 2),
                datetime(2014, 7, 4, 23): datetime(2014, 7, 5),
                datetime(2014, 7, 5, 2): datetime(2014, 7, 5),
                datetime(2014, 7, 7, 2): datetime(2014, 7, 7),
                datetime(2014, 7, 7, 17): datetime(2014, 7, 7),
            },
        )
    )

    @pytest.mark.parametrize("case", normalize_cases)
    def test_normalize(self, case):
        offset, cases = case
        for dt, expected in cases.items():
            assert offset._apply(dt) == expected

    on_offset_cases = []
    on_offset_cases.append(
        (
            BusinessHour(),
            {
                datetime(2014, 7, 1, 9): True,
                datetime(2014, 7, 1, 8, 59): False,
                datetime(2014, 7, 1, 8): False,
                datetime(2014, 7, 1, 17): True,
                datetime(2014, 7, 1, 17, 1): False,
                datetime(2014, 7, 1, 18): False,
                datetime(2014, 7, 5, 9): False,
                datetime(2014, 7, 6, 12): False,
            },
        )
    )

    on_offset_cases.append(
        (
            BusinessHour(start="10:00", end="15:00"),
            {
                datetime(2014, 7, 1, 9): False,
                datetime(2014, 7, 1, 10): True,
                datetime(2014, 7, 1, 15): True,
                datetime(2014, 7, 1, 15, 1): False,
                datetime(2014, 7, 5, 12): False,
                datetime(2014, 7, 6, 12): False,
            },
        )
    )

    on_offset_cases.append(
        (
            BusinessHour(start="19:00", end="05:00"),
            {
                datetime(2014, 7, 1, 9, 0): False,
                datetime(2014, 7, 1, 10, 0): False,
                datetime(2014, 7, 1, 15): False,
                datetime(2014, 7, 1, 15, 1): False,
                datetime(2014, 7, 5, 12, 0): False,
                datetime(2014, 7, 6, 12, 0): False,
                datetime(2014, 7, 1, 19, 0): True,
                datetime(2014, 7, 2, 0, 0): True,
                datetime(2014, 7, 4, 23): True,
                datetime(2014, 7, 5, 1): True,
                datetime(2014, 7, 5, 5, 0): True,
                datetime(2014, 7, 6, 23, 0): False,
                datetime(2014, 7, 7, 3, 0): False,
            },
        )
    )

    on_offset_cases.append(
        (
            BusinessHour(start=["09:00", "13:00"], end=["12:00", "17:00"]),
            {
                datetime(2014, 7, 1, 9): True,
                datetime(2014, 7, 1, 8, 59): False,
                datetime(2014, 7, 1, 8): False,
                datetime(2014, 7, 1, 17): True,
                datetime(2014, 7, 1, 17, 1): False,
                datetime(2014, 7, 1, 18): False,
                datetime(2014, 7, 5, 9): False,
                datetime(2014, 7, 6, 12): False,
                datetime(2014, 7, 1, 12, 30): False,
            },
        )
    )

    on_offset_cases.append(
        (
            BusinessHour(start=["19:00", "23:00"], end=["21:00", "05:00"]),
            {
                datetime(2014, 7, 1, 9, 0): False,
                datetime(2014, 7, 1, 10, 0): False,
                datetime(2014, 7, 1, 15): False,
                datetime(2014, 7, 1, 15, 1): False,
                datetime(2014, 7, 5, 12, 0): False,
                datetime(2014, 7, 6, 12, 0): False,
                datetime(2014, 7, 1, 19, 0): True,
                datetime(2014, 7, 2, 0, 0): True,
                datetime(2014, 7, 4, 23): True,
                datetime(2014, 7, 5, 1): True,
                datetime(2014, 7, 5, 5, 0): True,
                datetime(2014, 7, 6, 23, 0): False,
                datetime(2014, 7, 7, 3, 0): False,
                datetime(2014, 7, 4, 22): False,
            },
        )
    )

    @pytest.mark.parametrize("case", on_offset_cases)
    def test_is_on_offset(self, case):
        offset, cases = case
        for dt, expected in cases.items():
            assert offset.is_on_offset(dt) == expected

    apply_cases = [
        (
            BusinessHour(),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 1, 12),
                datetime(2014, 7, 1, 13): datetime(2014, 7, 1, 14),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 1, 19): datetime(2014, 7, 2, 10),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 2, 9),
                datetime(2014, 7, 1, 16, 30, 15): datetime(2014, 7, 2, 9, 30, 15),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 2, 10),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 2, 12),
                # out of business hours
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 10),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 3, 10),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 3, 10),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 3, 10),
                # saturday
                datetime(2014, 7, 5, 15): datetime(2014, 7, 7, 10),
                datetime(2014, 7, 4, 17): datetime(2014, 7, 7, 10),
                datetime(2014, 7, 4, 16, 30): datetime(2014, 7, 7, 9, 30),
                datetime(2014, 7, 4, 16, 30, 30): datetime(2014, 7, 7, 9, 30, 30),
            },
        ),
        (
            BusinessHour(4),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 1, 15),
                datetime(2014, 7, 1, 13): datetime(2014, 7, 2, 9),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 2, 11),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 2, 12),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 2, 15),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 3, 13),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 3, 13),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 3, 13),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 7, 13),
                datetime(2014, 7, 4, 17): datetime(2014, 7, 7, 13),
                datetime(2014, 7, 4, 16, 30): datetime(2014, 7, 7, 12, 30),
                datetime(2014, 7, 4, 16, 30, 30): datetime(2014, 7, 7, 12, 30, 30),
            },
        ),
        (
            BusinessHour(-1),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 1, 10),
                datetime(2014, 7, 1, 13): datetime(2014, 7, 1, 12),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 1, 14),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 1, 15),
                datetime(2014, 7, 1, 10): datetime(2014, 6, 30, 17),
                datetime(2014, 7, 1, 16, 30, 15): datetime(2014, 7, 1, 15, 30, 15),
                datetime(2014, 7, 1, 9, 30, 15): datetime(2014, 6, 30, 16, 30, 15),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 1, 5): datetime(2014, 6, 30, 16),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 2, 10),
                # out of business hours
                datetime(2014, 7, 2, 8): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 16),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 2, 16),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 2, 16),
                # saturday
                datetime(2014, 7, 5, 15): datetime(2014, 7, 4, 16),
                datetime(2014, 7, 7, 9): datetime(2014, 7, 4, 16),
                datetime(2014, 7, 7, 9, 30): datetime(2014, 7, 4, 16, 30),
                datetime(2014, 7, 7, 9, 30, 30): datetime(2014, 7, 4, 16, 30, 30),
            },
        ),
        (
            BusinessHour(-4),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 6, 30, 15),
                datetime(2014, 7, 1, 13): datetime(2014, 6, 30, 17),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 1, 11),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 1, 12),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 13),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 1, 15),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 1, 13),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 4, 13),
                datetime(2014, 7, 4, 18): datetime(2014, 7, 4, 13),
                datetime(2014, 7, 7, 9, 30): datetime(2014, 7, 4, 13, 30),
                datetime(2014, 7, 7, 9, 30, 30): datetime(2014, 7, 4, 13, 30, 30),
            },
        ),
        (
            BusinessHour(start="13:00", end="16:00"),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 1, 14),
                datetime(2014, 7, 1, 13): datetime(2014, 7, 1, 14),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 1, 19): datetime(2014, 7, 2, 14),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 2, 14),
                datetime(2014, 7, 1, 15, 30, 15): datetime(2014, 7, 2, 13, 30, 15),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 7, 14),
                datetime(2014, 7, 4, 17): datetime(2014, 7, 7, 14),
            },
        ),
        (
            BusinessHour(n=2, start="13:00", end="16:00"),
            {
                datetime(2014, 7, 1, 17): datetime(2014, 7, 2, 15),
                datetime(2014, 7, 2, 14): datetime(2014, 7, 3, 13),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 15),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 3, 15),
                datetime(2014, 7, 2, 14, 30): datetime(2014, 7, 3, 13, 30),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 3, 15),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 7, 15),
                datetime(2014, 7, 4, 17): datetime(2014, 7, 7, 15),
                datetime(2014, 7, 4, 14, 30): datetime(2014, 7, 7, 13, 30),
                datetime(2014, 7, 4, 14, 30, 30): datetime(2014, 7, 7, 13, 30, 30),
            },
        ),
        (
            BusinessHour(n=-1, start="13:00", end="16:00"),
            {
                datetime(2014, 7, 2, 11): datetime(2014, 7, 1, 15),
                datetime(2014, 7, 2, 13): datetime(2014, 7, 1, 15),
                datetime(2014, 7, 2, 14): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 2, 15): datetime(2014, 7, 2, 14),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 15),
                datetime(2014, 7, 2, 16): datetime(2014, 7, 2, 15),
                datetime(2014, 7, 2, 13, 30, 15): datetime(2014, 7, 1, 15, 30, 15),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 4, 15),
                datetime(2014, 7, 7, 11): datetime(2014, 7, 4, 15),
            },
        ),
        (
            BusinessHour(n=-3, start="10:00", end="16:00"),
            {
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 13),
                datetime(2014, 7, 2, 14): datetime(2014, 7, 2, 11),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 1, 13),
                datetime(2014, 7, 2, 13): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 2, 11, 30): datetime(2014, 7, 1, 14, 30),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 2, 13),
                datetime(2014, 7, 4, 10): datetime(2014, 7, 3, 13),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 4, 13),
                datetime(2014, 7, 4, 16): datetime(2014, 7, 4, 13),
                datetime(2014, 7, 4, 12, 30): datetime(2014, 7, 3, 15, 30),
                datetime(2014, 7, 4, 12, 30, 30): datetime(2014, 7, 3, 15, 30, 30),
            },
        ),
        (
            BusinessHour(start="19:00", end="05:00"),
            {
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 20),
                datetime(2014, 7, 2, 14): datetime(2014, 7, 2, 20),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 20),
                datetime(2014, 7, 2, 13): datetime(2014, 7, 2, 20),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 20),
                datetime(2014, 7, 2, 4, 30): datetime(2014, 7, 2, 19, 30),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 3, 1),
                datetime(2014, 7, 4, 10): datetime(2014, 7, 4, 20),
                datetime(2014, 7, 4, 23): datetime(2014, 7, 5, 0),
                datetime(2014, 7, 5, 0): datetime(2014, 7, 5, 1),
                datetime(2014, 7, 5, 4): datetime(2014, 7, 7, 19),
                datetime(2014, 7, 5, 4, 30): datetime(2014, 7, 7, 19, 30),
                datetime(2014, 7, 5, 4, 30, 30): datetime(2014, 7, 7, 19, 30, 30),
            },
        ),
        (
            BusinessHour(n=-1, start="19:00", end="05:00"),
            {
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 4),
                datetime(2014, 7, 2, 14): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 13): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 20): datetime(2014, 7, 2, 5),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 19, 30): datetime(2014, 7, 2, 4, 30),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 2, 23),
                datetime(2014, 7, 3, 6): datetime(2014, 7, 3, 4),
                datetime(2014, 7, 4, 23): datetime(2014, 7, 4, 22),
                datetime(2014, 7, 5, 0): datetime(2014, 7, 4, 23),
                datetime(2014, 7, 5, 4): datetime(2014, 7, 5, 3),
                datetime(2014, 7, 7, 19, 30): datetime(2014, 7, 5, 4, 30),
                datetime(2014, 7, 7, 19, 30, 30): datetime(2014, 7, 5, 4, 30, 30),
            },
        ),
        (
            BusinessHour(n=4, start="00:00", end="23:00"),
            {
                datetime(2014, 7, 3, 22): datetime(2014, 7, 4, 3),
                datetime(2014, 7, 4, 22): datetime(2014, 7, 7, 3),
                datetime(2014, 7, 3, 22, 30): datetime(2014, 7, 4, 3, 30),
                datetime(2014, 7, 3, 22, 20): datetime(2014, 7, 4, 3, 20),
                datetime(2014, 7, 4, 22, 30, 30): datetime(2014, 7, 7, 3, 30, 30),
                datetime(2014, 7, 4, 22, 30, 20): datetime(2014, 7, 7, 3, 30, 20),
            },
        ),
        (
            BusinessHour(n=-4, start="00:00", end="23:00"),
            {
                datetime(2014, 7, 4, 3): datetime(2014, 7, 3, 22),
                datetime(2014, 7, 7, 3): datetime(2014, 7, 4, 22),
                datetime(2014, 7, 4, 3, 30): datetime(2014, 7, 3, 22, 30),
                datetime(2014, 7, 4, 3, 20): datetime(2014, 7, 3, 22, 20),
                datetime(2014, 7, 7, 3, 30, 30): datetime(2014, 7, 4, 22, 30, 30),
                datetime(2014, 7, 7, 3, 30, 20): datetime(2014, 7, 4, 22, 30, 20),
            },
        ),
        (
            BusinessHour(start=["09:00", "14:00"], end=["12:00", "18:00"]),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 1, 14),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 1, 19): datetime(2014, 7, 2, 10),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 1, 17),
                datetime(2014, 7, 1, 16, 30, 15): datetime(2014, 7, 1, 17, 30, 15),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 2, 9),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 2, 14),
                # out of business hours
                datetime(2014, 7, 1, 13): datetime(2014, 7, 1, 15),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 10),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 3, 10),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 3, 10),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 3, 10),
                # saturday
                datetime(2014, 7, 5, 15): datetime(2014, 7, 7, 10),
                datetime(2014, 7, 4, 17): datetime(2014, 7, 7, 9),
                datetime(2014, 7, 4, 17, 30): datetime(2014, 7, 7, 9, 30),
                datetime(2014, 7, 4, 17, 30, 30): datetime(2014, 7, 7, 9, 30, 30),
            },
        ),
        (
            BusinessHour(n=4, start=["09:00", "14:00"], end=["12:00", "18:00"]),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 1, 17),
                datetime(2014, 7, 1, 13): datetime(2014, 7, 2, 9),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 2, 10),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 2, 11),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 2, 14),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 2, 17),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 15),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 3, 15),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 3, 15),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 3, 15),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 7, 15),
                datetime(2014, 7, 4, 17): datetime(2014, 7, 7, 14),
                datetime(2014, 7, 4, 16, 30): datetime(2014, 7, 7, 11, 30),
                datetime(2014, 7, 4, 16, 30, 30): datetime(2014, 7, 7, 11, 30, 30),
            },
        ),
        (
            BusinessHour(n=-4, start=["09:00", "14:00"], end=["12:00", "18:00"]),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 6, 30, 16),
                datetime(2014, 7, 1, 13): datetime(2014, 6, 30, 17),
                datetime(2014, 7, 1, 15): datetime(2014, 6, 30, 18),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 1, 10),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 11),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 1, 12),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 12),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 2, 12),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 2, 12),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 4, 12),
                datetime(2014, 7, 4, 18): datetime(2014, 7, 4, 12),
                datetime(2014, 7, 7, 9, 30): datetime(2014, 7, 4, 14, 30),
                datetime(2014, 7, 7, 9, 30, 30): datetime(2014, 7, 4, 14, 30, 30),
            },
        ),
        (
            BusinessHour(n=-1, start=["19:00", "03:00"], end=["01:00", "05:00"]),
            {
                datetime(2014, 7, 1, 17): datetime(2014, 7, 1, 4),
                datetime(2014, 7, 2, 14): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 13): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 20): datetime(2014, 7, 2, 5),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 2, 4),
                datetime(2014, 7, 2, 4): datetime(2014, 7, 2, 1),
                datetime(2014, 7, 2, 19, 30): datetime(2014, 7, 2, 4, 30),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 2, 23),
                datetime(2014, 7, 3, 6): datetime(2014, 7, 3, 4),
                datetime(2014, 7, 4, 23): datetime(2014, 7, 4, 22),
                datetime(2014, 7, 5, 0): datetime(2014, 7, 4, 23),
                datetime(2014, 7, 5, 4): datetime(2014, 7, 5, 0),
                datetime(2014, 7, 7, 3, 30): datetime(2014, 7, 5, 0, 30),
                datetime(2014, 7, 7, 19, 30): datetime(2014, 7, 7, 4, 30),
                datetime(2014, 7, 7, 19, 30, 30): datetime(2014, 7, 7, 4, 30, 30),
            },
        ),
    ]

    # long business hours (see gh-26381)

    # multiple business hours

    @pytest.mark.parametrize("case", apply_cases)
    def test_apply(self, case):
        offset, cases = case
        for base, expected in cases.items():
            assert_offset_equal(offset, base, expected)

    apply_large_n_cases = [
        (
            # A week later
            BusinessHour(40),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 8, 11),
                datetime(2014, 7, 1, 13): datetime(2014, 7, 8, 13),
                datetime(2014, 7, 1, 15): datetime(2014, 7, 8, 15),
                datetime(2014, 7, 1, 16): datetime(2014, 7, 8, 16),
                datetime(2014, 7, 1, 17): datetime(2014, 7, 9, 9),
                datetime(2014, 7, 2, 11): datetime(2014, 7, 9, 11),
                datetime(2014, 7, 2, 8): datetime(2014, 7, 9, 9),
                datetime(2014, 7, 2, 19): datetime(2014, 7, 10, 9),
                datetime(2014, 7, 2, 23): datetime(2014, 7, 10, 9),
                datetime(2014, 7, 3, 0): datetime(2014, 7, 10, 9),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 14, 9),
                datetime(2014, 7, 4, 18): datetime(2014, 7, 14, 9),
                datetime(2014, 7, 7, 9, 30): datetime(2014, 7, 14, 9, 30),
                datetime(2014, 7, 7, 9, 30, 30): datetime(2014, 7, 14, 9, 30, 30),
            },
        ),
        (
            # 3 days and 1 hour before
            BusinessHour(-25),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 6, 26, 10),
                datetime(2014, 7, 1, 13): datetime(2014, 6, 26, 12),
                datetime(2014, 7, 1, 9): datetime(2014, 6, 25, 16),
                datetime(2014, 7, 1, 10): datetime(2014, 6, 25, 17),
                datetime(2014, 7, 3, 11): datetime(2014, 6, 30, 10),
                datetime(2014, 7, 3, 8): datetime(2014, 6, 27, 16),
                datetime(2014, 7, 3, 19): datetime(2014, 6, 30, 16),
                datetime(2014, 7, 3, 23): datetime(2014, 6, 30, 16),
                datetime(2014, 7, 4, 9): datetime(2014, 6, 30, 16),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 6, 18): datetime(2014, 7, 1, 16),
                datetime(2014, 7, 7, 9, 30): datetime(2014, 7, 1, 16, 30),
                datetime(2014, 7, 7, 10, 30, 30): datetime(2014, 7, 2, 9, 30, 30),
            },
        ),
        (
            # 5 days and 3 hours later
            BusinessHour(28, start="21:00", end="02:00"),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 9, 0),
                datetime(2014, 7, 1, 22): datetime(2014, 7, 9, 1),
                datetime(2014, 7, 1, 23): datetime(2014, 7, 9, 21),
                datetime(2014, 7, 2, 2): datetime(2014, 7, 10, 0),
                datetime(2014, 7, 3, 21): datetime(2014, 7, 11, 0),
                datetime(2014, 7, 4, 1): datetime(2014, 7, 11, 23),
                datetime(2014, 7, 4, 2): datetime(2014, 7, 12, 0),
                datetime(2014, 7, 4, 3): datetime(2014, 7, 12, 0),
                datetime(2014, 7, 5, 1): datetime(2014, 7, 14, 23),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 15, 0),
                datetime(2014, 7, 6, 18): datetime(2014, 7, 15, 0),
                datetime(2014, 7, 7, 1): datetime(2014, 7, 15, 0),
                datetime(2014, 7, 7, 23, 30): datetime(2014, 7, 15, 21, 30),
            },
        ),
        (
            # large n for multiple opening hours (3 days and 1 hour before)
            BusinessHour(n=-25, start=["09:00", "14:00"], end=["12:00", "19:00"]),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 6, 26, 10),
                datetime(2014, 7, 1, 13): datetime(2014, 6, 26, 11),
                datetime(2014, 7, 1, 9): datetime(2014, 6, 25, 18),
                datetime(2014, 7, 1, 10): datetime(2014, 6, 25, 19),
                datetime(2014, 7, 3, 11): datetime(2014, 6, 30, 10),
                datetime(2014, 7, 3, 8): datetime(2014, 6, 27, 18),
                datetime(2014, 7, 3, 19): datetime(2014, 6, 30, 18),
                datetime(2014, 7, 3, 23): datetime(2014, 6, 30, 18),
                datetime(2014, 7, 4, 9): datetime(2014, 6, 30, 18),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 1, 18),
                datetime(2014, 7, 6, 18): datetime(2014, 7, 1, 18),
                datetime(2014, 7, 7, 9, 30): datetime(2014, 7, 1, 18, 30),
                datetime(2014, 7, 7, 10, 30, 30): datetime(2014, 7, 2, 9, 30, 30),
            },
        ),
        (
            # 5 days and 3 hours later
            BusinessHour(28, start=["21:00", "03:00"], end=["01:00", "04:00"]),
            {
                datetime(2014, 7, 1, 11): datetime(2014, 7, 9, 0),
                datetime(2014, 7, 1, 22): datetime(2014, 7, 9, 3),
                datetime(2014, 7, 1, 23): datetime(2014, 7, 9, 21),
                datetime(2014, 7, 2, 2): datetime(2014, 7, 9, 23),
                datetime(2014, 7, 3, 21): datetime(2014, 7, 11, 0),
                datetime(2014, 7, 4, 1): datetime(2014, 7, 11, 23),
                datetime(2014, 7, 4, 2): datetime(2014, 7, 11, 23),
                datetime(2014, 7, 4, 3): datetime(2014, 7, 11, 23),
                datetime(2014, 7, 4, 21): datetime(2014, 7, 12, 0),
                datetime(2014, 7, 5, 0): datetime(2014, 7, 14, 22),
                datetime(2014, 7, 5, 1): datetime(2014, 7, 14, 23),
                datetime(2014, 7, 5, 15): datetime(2014, 7, 14, 23),
                datetime(2014, 7, 6, 18): datetime(2014, 7, 14, 23),
                datetime(2014, 7, 7, 1): datetime(2014, 7, 14, 23),
                datetime(2014, 7, 7, 23, 30): datetime(2014, 7, 15, 21, 30),
            },
        ),
    ]

    @pytest.mark.parametrize("case", apply_large_n_cases)
    def test_apply_large_n(self, case):
        offset, cases = case
        for base, expected in cases.items():
            assert_offset_equal(offset, base, expected)

    def test_apply_nanoseconds(self):
        tests = [
            (
                BusinessHour(),
                {
                    Timestamp("2014-07-04 15:00")
                    + Nano(5): Timestamp("2014-07-04 16:00")
                    + Nano(5),
                    Timestamp("2014-07-04 16:00")
                    + Nano(5): Timestamp("2014-07-07 09:00")
                    + Nano(5),
                    Timestamp("2014-07-04 16:00")
                    - Nano(5): Timestamp("2014-07-04 17:00")
                    - Nano(5),
                },
            ),
            (
                BusinessHour(-1),
                {
                    Timestamp("2014-07-04 15:00")
                    + Nano(5): Timestamp("2014-07-04 14:00")
                    + Nano(5),
                    Timestamp("2014-07-04 10:00")
                    + Nano(5): Timestamp("2014-07-04 09:00")
                    + Nano(5),
                    Timestamp("2014-07-04 10:00")
                    - Nano(5): Timestamp("2014-07-03 17:00")
                    - Nano(5),
                },
            ),
        ]

        for offset, cases in tests:
            for base, expected in cases.items():
                assert_offset_equal(offset, base, expected)

    def test_datetimeindex(self):
        idx1 = date_range(start="2014-07-04 15:00", end="2014-07-08 10:00", freq="BH")
        idx2 = date_range(start="2014-07-04 15:00", periods=12, freq="BH")
        idx3 = date_range(end="2014-07-08 10:00", periods=12, freq="BH")
        expected = DatetimeIndex(
            [
                "2014-07-04 15:00",
                "2014-07-04 16:00",
                "2014-07-07 09:00",
                "2014-07-07 10:00",
                "2014-07-07 11:00",
                "2014-07-07 12:00",
                "2014-07-07 13:00",
                "2014-07-07 14:00",
                "2014-07-07 15:00",
                "2014-07-07 16:00",
                "2014-07-08 09:00",
                "2014-07-08 10:00",
            ],
            freq="BH",
        )
        for idx in [idx1, idx2, idx3]:
            tm.assert_index_equal(idx, expected)

        idx1 = date_range(start="2014-07-04 15:45", end="2014-07-08 10:45", freq="BH")
        idx2 = date_range(start="2014-07-04 15:45", periods=12, freq="BH")
        idx3 = date_range(end="2014-07-08 10:45", periods=12, freq="BH")

        expected = idx1
        for idx in [idx1, idx2, idx3]:
            tm.assert_index_equal(idx, expected)

    def test_short_datetimeindex_creation(self):
        # gh-49835
        idx4 = date_range(start="2014-07-01 10:00", freq="BH", periods=1)
        expected4 = DatetimeIndex(["2014-07-01 10:00"], freq="BH")
        tm.assert_index_equal(idx4, expected4)

    def test_bday_ignores_timedeltas(self):
        idx = date_range("2010/02/01", "2010/02/10", freq="12H")
        t1 = idx + BDay(offset=Timedelta(3, unit="H"))

        expected = DatetimeIndex(
            [
                "2010-02-02 03:00:00",
                "2010-02-02 15:00:00",
                "2010-02-03 03:00:00",
                "2010-02-03 15:00:00",
                "2010-02-04 03:00:00",
                "2010-02-04 15:00:00",
                "2010-02-05 03:00:00",
                "2010-02-05 15:00:00",
                "2010-02-08 03:00:00",
                "2010-02-08 15:00:00",
                "2010-02-08 03:00:00",
                "2010-02-08 15:00:00",
                "2010-02-08 03:00:00",
                "2010-02-08 15:00:00",
                "2010-02-09 03:00:00",
                "2010-02-09 15:00:00",
                "2010-02-10 03:00:00",
                "2010-02-10 15:00:00",
                "2010-02-11 03:00:00",
            ],
            freq=None,
        )
        tm.assert_index_equal(t1, expected)


class TestOpeningTimes:
    # opening time should be affected by sign of n, not by n's value and end
    opening_time_cases = [
        (
            [
                BusinessHour(),
                BusinessHour(n=2),
                BusinessHour(n=4),
                BusinessHour(end="10:00"),
                BusinessHour(n=2, end="4:00"),
                BusinessHour(n=4, end="15:00"),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 1, 9),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 1, 9),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 1, 9),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 1, 9),
                ),
                # if timestamp is on opening time, next opening time is
                # as it is
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 2, 9),
                ),
                datetime(2014, 7, 2, 10): (
                    datetime(2014, 7, 3, 9),
                    datetime(2014, 7, 2, 9),
                ),
                # 2014-07-05 is saturday
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 4, 9),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 4, 9),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 4, 9),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 4, 9),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 4, 9),
                ),
                datetime(2014, 7, 7, 9, 1): (
                    datetime(2014, 7, 8, 9),
                    datetime(2014, 7, 7, 9),
                ),
            },
        ),
        (
            [
                BusinessHour(start="11:15"),
                BusinessHour(n=2, start="11:15"),
                BusinessHour(n=3, start="11:15"),
                BusinessHour(start="11:15", end="10:00"),
                BusinessHour(n=2, start="11:15", end="4:00"),
                BusinessHour(n=3, start="11:15", end="15:00"),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 7, 1, 11, 15),
                    datetime(2014, 6, 30, 11, 15),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 11, 15),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 11, 15),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 11, 15),
                ),
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 11, 15),
                ),
                datetime(2014, 7, 2, 10): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 11, 15),
                ),
                datetime(2014, 7, 2, 11, 15): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 2, 11, 15),
                ),
                datetime(2014, 7, 2, 11, 15, 1): (
                    datetime(2014, 7, 3, 11, 15),
                    datetime(2014, 7, 2, 11, 15),
                ),
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 11, 15),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 4, 11, 15),
                    datetime(2014, 7, 3, 11, 15),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 11, 15),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 11, 15),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 11, 15),
                ),
                datetime(2014, 7, 7, 9, 1): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 11, 15),
                ),
            },
        ),
        (
            [
                BusinessHour(-1),
                BusinessHour(n=-2),
                BusinessHour(n=-4),
                BusinessHour(n=-1, end="10:00"),
                BusinessHour(n=-2, end="4:00"),
                BusinessHour(n=-4, end="15:00"),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 7, 1, 9),
                    datetime(2014, 7, 2, 9),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 1, 9),
                    datetime(2014, 7, 2, 9),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 1, 9),
                    datetime(2014, 7, 2, 9),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 1, 9),
                    datetime(2014, 7, 2, 9),
                ),
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 2, 9),
                ),
                datetime(2014, 7, 2, 10): (
                    datetime(2014, 7, 2, 9),
                    datetime(2014, 7, 3, 9),
                ),
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 4, 9),
                    datetime(2014, 7, 7, 9),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 4, 9),
                    datetime(2014, 7, 7, 9),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 4, 9),
                    datetime(2014, 7, 7, 9),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 4, 9),
                    datetime(2014, 7, 7, 9),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 4, 9),
                    datetime(2014, 7, 7, 9),
                ),
                datetime(2014, 7, 7, 9): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 7, 9),
                ),
                datetime(2014, 7, 7, 9, 1): (
                    datetime(2014, 7, 7, 9),
                    datetime(2014, 7, 8, 9),
                ),
            },
        ),
        (
            [
                BusinessHour(start="17:00", end="05:00"),
                BusinessHour(n=3, start="17:00", end="03:00"),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 6, 30, 17),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 2, 17),
                    datetime(2014, 7, 1, 17),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 2, 17),
                    datetime(2014, 7, 1, 17),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 2, 17),
                    datetime(2014, 7, 1, 17),
                ),
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 2, 17),
                    datetime(2014, 7, 1, 17),
                ),
                datetime(2014, 7, 4, 17): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 7, 17),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 3, 17),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 7, 17),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 7, 17),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 7, 17),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 7, 17, 1): (
                    datetime(2014, 7, 8, 17),
                    datetime(2014, 7, 7, 17),
                ),
            },
        ),
        (
            [
                BusinessHour(-1, start="17:00", end="05:00"),
                BusinessHour(n=-2, start="17:00", end="03:00"),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 6, 30, 17),
                    datetime(2014, 7, 1, 17),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 2, 16, 59): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 17),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 3, 17),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 17),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 17),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 17),
                ),
                datetime(2014, 7, 7, 18): (
                    datetime(2014, 7, 7, 17),
                    datetime(2014, 7, 8, 17),
                ),
            },
        ),
        (
            [
                BusinessHour(start=["11:15", "15:00"], end=["13:00", "20:00"]),
                BusinessHour(n=3, start=["11:15", "15:00"], end=["12:00", "20:00"]),
                BusinessHour(start=["11:15", "15:00"], end=["13:00", "17:00"]),
                BusinessHour(n=2, start=["11:15", "15:00"], end=["12:00", "03:00"]),
                BusinessHour(n=3, start=["11:15", "15:00"], end=["13:00", "16:00"]),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 7, 1, 11, 15),
                    datetime(2014, 6, 30, 15),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 15),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 15),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 15),
                ),
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 15),
                ),
                datetime(2014, 7, 2, 10): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 1, 15),
                ),
                datetime(2014, 7, 2, 11, 15): (
                    datetime(2014, 7, 2, 11, 15),
                    datetime(2014, 7, 2, 11, 15),
                ),
                datetime(2014, 7, 2, 11, 15, 1): (
                    datetime(2014, 7, 2, 15),
                    datetime(2014, 7, 2, 11, 15),
                ),
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 15),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 4, 11, 15),
                    datetime(2014, 7, 3, 15),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 15),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 15),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 15),
                ),
                datetime(2014, 7, 7, 9, 1): (
                    datetime(2014, 7, 7, 11, 15),
                    datetime(2014, 7, 4, 15),
                ),
                datetime(2014, 7, 7, 12): (
                    datetime(2014, 7, 7, 15),
                    datetime(2014, 7, 7, 11, 15),
                ),
            },
        ),
        (
            [
                BusinessHour(n=-1, start=["17:00", "08:00"], end=["05:00", "10:00"]),
                BusinessHour(n=-2, start=["08:00", "17:00"], end=["10:00", "03:00"]),
            ],
            {
                datetime(2014, 7, 1, 11): (
                    datetime(2014, 7, 1, 8),
                    datetime(2014, 7, 1, 17),
                ),
                datetime(2014, 7, 1, 18): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 8),
                ),
                datetime(2014, 7, 1, 23): (
                    datetime(2014, 7, 1, 17),
                    datetime(2014, 7, 2, 8),
                ),
                datetime(2014, 7, 2, 8): (
                    datetime(2014, 7, 2, 8),
                    datetime(2014, 7, 2, 8),
                ),
                datetime(2014, 7, 2, 9): (
                    datetime(2014, 7, 2, 8),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 2, 16, 59): (
                    datetime(2014, 7, 2, 8),
                    datetime(2014, 7, 2, 17),
                ),
                datetime(2014, 7, 5, 10): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 8),
                ),
                datetime(2014, 7, 4, 10): (
                    datetime(2014, 7, 4, 8),
                    datetime(2014, 7, 4, 17),
                ),
                datetime(2014, 7, 4, 23): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 8),
                ),
                datetime(2014, 7, 6, 10): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 8),
                ),
                datetime(2014, 7, 7, 5): (
                    datetime(2014, 7, 4, 17),
                    datetime(2014, 7, 7, 8),
                ),
                datetime(2014, 7, 7, 18): (
                    datetime(2014, 7, 7, 17),
                    datetime(2014, 7, 8, 8),
                ),
            },
        ),
    ]

    @pytest.mark.parametrize("case", opening_time_cases)
    def test_opening_time(self, case):
        _offsets, cases = case
        for offset in _offsets:
            for dt, (exp_next, exp_prev) in cases.items():
                assert offset._next_opening_time(dt) == exp_next
                assert offset._prev_opening_time(dt) == exp_prev