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TST: move easter to own file and parameterize (#27085) #42990

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36 changes: 36 additions & 0 deletions pandas/tests/tseries/offsets/test_easter.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,36 @@
"""
Tests for the following offsets:
- Easter
"""
from __future__ import annotations

from datetime import datetime

import pytest

from pandas.tests.tseries.offsets.common import (
Base,
assert_offset_equal,
)

from pandas.tseries.offsets import Easter


class TestEaster(Base):
@pytest.mark.parametrize(
"offset,date,expected",
[
(Easter(), datetime(2010, 1, 1), datetime(2010, 4, 4)),
(Easter(), datetime(2010, 4, 5), datetime(2011, 4, 24)),
(Easter(2), datetime(2010, 1, 1), datetime(2011, 4, 24)),
(Easter(), datetime(2010, 4, 4), datetime(2011, 4, 24)),
(Easter(2), datetime(2010, 4, 4), datetime(2012, 4, 8)),
(-Easter(), datetime(2011, 1, 1), datetime(2010, 4, 4)),
(-Easter(), datetime(2010, 4, 5), datetime(2010, 4, 4)),
(-Easter(2), datetime(2011, 1, 1), datetime(2009, 4, 12)),
(-Easter(), datetime(2010, 4, 4), datetime(2009, 4, 12)),
(-Easter(2), datetime(2010, 4, 4), datetime(2008, 3, 23)),
],
)
def test_offset(self, offset, date, expected):
assert_offset_equal(offset, date, expected)
17 changes: 0 additions & 17 deletions pandas/tests/tseries/offsets/test_offsets.py
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,6 @@
from pandas.tests.tseries.offsets.common import (
Base,
WeekDay,
assert_offset_equal,
)

import pandas.tseries.offsets as offsets
Expand Down Expand Up @@ -565,22 +564,6 @@ def test_eq(self):
assert offset1 != offset2


def test_Easter():
assert_offset_equal(Easter(), datetime(2010, 1, 1), datetime(2010, 4, 4))
assert_offset_equal(Easter(), datetime(2010, 4, 5), datetime(2011, 4, 24))
assert_offset_equal(Easter(2), datetime(2010, 1, 1), datetime(2011, 4, 24))

assert_offset_equal(Easter(), datetime(2010, 4, 4), datetime(2011, 4, 24))
assert_offset_equal(Easter(2), datetime(2010, 4, 4), datetime(2012, 4, 8))

assert_offset_equal(-Easter(), datetime(2011, 1, 1), datetime(2010, 4, 4))
assert_offset_equal(-Easter(), datetime(2010, 4, 5), datetime(2010, 4, 4))
assert_offset_equal(-Easter(2), datetime(2011, 1, 1), datetime(2009, 4, 12))

assert_offset_equal(-Easter(), datetime(2010, 4, 4), datetime(2009, 4, 12))
assert_offset_equal(-Easter(2), datetime(2010, 4, 4), datetime(2008, 3, 23))


class TestOffsetNames:
def test_get_offset_name(self):
assert BDay().freqstr == "B"
Expand Down