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from datetime import datetime
from decimal import Decimal
from finance import flow
def test_flow_integration() -> None:
fl = flow.Flow(
amount=Decimal(3000.0),
since=datetime(2023, 1, 1),
until=datetime(2026, 1, 5),
)
tests = (
(datetime(2024, 3, 12), datetime(2024, 4, 2), Decimal(3000.0)),
(datetime(2024, 3, 1), datetime(2024, 3, 15), Decimal(3000.0)),
(datetime(2024, 2, 25), datetime(2024, 3, 1), Decimal(3000.0)),
(datetime(2024, 2, 25), datetime(2024, 6, 12), Decimal(12000.0)),
(datetime(2022, 1, 5), datetime(2022, 9, 14), Decimal(0.0)),
(datetime(2022, 1, 5), datetime(2023, 1, 1), Decimal(3000.0)),
(datetime(2022, 7, 4), datetime(2024, 12, 8), Decimal(72000.0)),
(datetime(2025, 11, 4), datetime(2026, 5, 9), Decimal(6000.0)),
(datetime(2026, 1, 5), datetime(2027, 1, 1), Decimal(0.0)),
(datetime(2027, 5, 28), datetime(2028, 7, 7), Decimal(0.0)),
)
for test in tests:
assert fl.integrate(start=test[0], end=test[1]) == test[2]
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