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Return inherited type #14

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yankyhoffman wants to merge 4 commits into from
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Return inherited type #14

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8ec9fa8
Create failing test
yankyhoffman Mar 5, 2023
c5edaee
Use instance's type to construct return instance
yankyhoffman Mar 5, 2023
8007cea
Remove type tests from calendar tests
yankyhoffman Mar 6, 2023
135c7bb
Test in jewish date tests with dummy child class
yankyhoffman Mar 6, 2023
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Create failing test
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@yankyhoffman
yankyhoffman committed Mar 5, 2023
commit 8ec9fa8ea9dad301b890c5a2f52c49faa8619d1c
7 changes: 7 additions & 0 deletions test/test_jewish_calendar.py
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Expand Up @@ -5,6 +5,7 @@

import test.test_helper
from zmanim.hebrew_calendar.jewish_calendar import JewishCalendar
from zmanim.hebrew_calendar.jewish_date import JewishDate


class TestJewishCalendar(unittest.TestCase):
Expand Down Expand Up @@ -899,3 +900,9 @@ def test_sof_zman_kiddush_levana_between_moldos(self):
expected_time = first_molad + timedelta(microseconds=expected_offset)
# round for floating microsecond precision inconsistency
self.assertEqual(calendar.sof_zman_kiddush_levana_between_moldos().toordinal(), expected_time.toordinal())

def test_date_arithmetic_returns_inherited_type(self):
for instance, type in [(JewishCalendar(5783, 1, 1), JewishCalendar), (JewishDate(5783, 1, 1), JewishDate)]:
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@pinnymz pinnymz Mar 6, 2023

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I'd prefer to keep other types out of this batch of tests, JewishCalendar alone should suffice here. An alternative approach would be to test the method in TestJewishDate, and create a dummy class to ensure the type isn't being lost.

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@yankyhoffman yankyhoffman Mar 6, 2023

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Duly noted, indeed keeps the code-base clean.

self.assertIsInstance(instance, type)
instance += timedelta(days=1)
self.assertIsInstance(instance, type)