def test_calculate_simple_interest2(self):
print("test_calculate_simple_interest2")
apr = Decimal("48.74")
capital = Decimal("500.00")
et_capital = EntryType.objects.get(code=E_CAPITAL)
entries = [
AccountEntry(type=et_capital,
amount=capital,
timestamp=make_datetime(2017, 1, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 3, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 5, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 7, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 9, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 11, 1)),
]
timestamp = make_datetime(2020, 1, 1)
interest = calculate_simple_interest(entries, apr, timestamp.date())
print("interest =", dec2(interest))
self.assertEqual(interest.quantize(Decimal("1.00")), Decimal("426.11"))
def test_calculate_simple_interest(self):
print('test_calculate_simple_interest')
apr = Decimal('48.74')
capital = Decimal('500.00')
et_capital = EntryType.objects.get(code=E_CAPITAL)
entries = [
AccountEntry(type=et_capital,
amount=capital,
timestamp=make_datetime(2017, 1, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 3, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 5, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 7, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 9, 1)),
AccountEntry(type=et_capital,
amount=Decimal(-50),
timestamp=make_datetime(2017, 11, 1)),
AccountEntry(type=et_capital,
amount=Decimal('-437.50'),
timestamp=make_datetime(2018, 1, 1)),
]
timestamp = make_datetime(2018, 1, 1)
interest = calculate_simple_interest(entries, apr, timestamp.date())
print('interest =', dec2(interest))
self.assertEqual(interest.quantize(Decimal('1.00')), Decimal('182.41'))
def test_calculate_simple_interest3(self):
print("test_calculate_simple_interest3")
apr = Decimal("3.00")
capital = Decimal("500.00")
et_capital = EntryType.objects.get(code=E_CAPITAL)
entries = [
AccountEntry(type=et_capital,
amount=capital,
timestamp=make_datetime(2018, 1, 10)),
]
interest = calculate_simple_interest(entries,
apr,
date(2018, 3, 1),
begin=date(2018, 2, 10))
print("interest =", dec2(interest))
self.assertEqual(interest.quantize(Decimal("1.00")), Decimal("0.78"))