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feat(fusion_accounting_assets): prorate service for partial-period depreciation

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Made-with: Cursor
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gsinghpal
2026-04-19 16:47:31 -04:00
parent 3e73ca0eb7
commit bece120ee3
5 changed files with 102 additions and 1 deletions
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1
fusion_accounting_assets/tests/__init__.py
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from . import test_depreciation_methods
from . import test_prorate

65
fusion_accounting_assets/tests/test_prorate.py Normal file
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from datetime import date
from odoo.tests.common import TransactionCase
from odoo.tests import tagged
from odoo.addons.fusion_accounting_assets.services.prorate import prorate_factor
@tagged('post_install', '-at_install')
class TestProrate(TransactionCase):
def test_full_month_convention_always_one(self):
f = prorate_factor(
period_start=date(2026, 1, 1),
period_end=date(2026, 1, 31),
asset_start=date(2026, 1, 15),
convention='full_month',
)
self.assertEqual(f, 1.0)
def test_asset_starts_before_period_full_factor(self):
f = prorate_factor(
period_start=date(2026, 1, 1),
period_end=date(2026, 1, 31),
asset_start=date(2025, 12, 1),
convention='days_period',
)
self.assertEqual(f, 1.0)
def test_asset_starts_after_period_zero_factor(self):
f = prorate_factor(
period_start=date(2026, 1, 1),
period_end=date(2026, 1, 31),
asset_start=date(2026, 2, 5),
convention='days_period',
)
self.assertEqual(f, 0.0)
def test_days_period_mid_month(self):
# Jan 16 -> Jan 31 inclusive = 16 days; period = 31 days
f = prorate_factor(
period_start=date(2026, 1, 1),
period_end=date(2026, 1, 31),
asset_start=date(2026, 1, 16),
convention='days_period',
)
self.assertAlmostEqual(f, 16 / 31, places=5)
def test_days_365_mid_month(self):
# 16 days / 365
f = prorate_factor(
period_start=date(2026, 1, 1),
period_end=date(2026, 1, 31),
asset_start=date(2026, 1, 16),
convention='days_365',
)
self.assertAlmostEqual(f, 16 / 365.0, places=5)
def test_unknown_convention_raises(self):
with self.assertRaises(ValueError):
prorate_factor(
period_start=date(2026, 1, 1),
period_end=date(2026, 1, 31),
asset_start=date(2026, 1, 15),
convention='bogus', # type: ignore[arg-type]
)