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test.py
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186 lines (159 loc) · 6.12 KB
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import unittest
from datetime import datetime
from dateutil.relativedelta import relativedelta
from pylan import Add, Granularity, Item, Multiply, Replace
from pylan.schedule import timedelta_from_schedule
class TestTimeDelta(unittest.TestCase):
def test_single_interval(self):
self.assertEqual(
[
datetime(2025, 1, 1, 0, 0),
datetime(2025, 1, 3, 0, 0),
datetime(2025, 1, 5, 0, 0),
],
timedelta_from_schedule(
"2d", datetime(2025, 1, 1), datetime(2025, 1, 5), include_start=True
),
)
def test_alternate_interval(self):
self.assertEqual(
[
datetime(2025, 1, 7, 0, 0),
datetime(2025, 1, 10, 0, 0),
],
timedelta_from_schedule(
["2d", "3d"],
datetime(2025, 1, 5),
datetime(2025, 1, 10),
include_start=False,
),
)
def test_montly_schedule(self):
self.assertEqual(
[
datetime(2025, 2, 5, 0, 0),
datetime(2025, 3, 5, 0, 0),
datetime(2025, 4, 5, 0, 0),
],
timedelta_from_schedule(
"1m", datetime(2025, 1, 5), datetime(2025, 4, 5), include_start=False
),
)
def test_datetime_schedule(self):
self.assertEqual(
[datetime(2025, 1, 5), datetime(2025, 4, 5)],
timedelta_from_schedule(
[datetime(2025, 1, 5), datetime(2025, 4, 5)], include_start=True
),
)
def test_datetime_schedule_in_str(self):
self.assertEqual(
timedelta_from_schedule(["2025-1-5", "2025-4-5"]),
timedelta_from_schedule(
[datetime(2025, 1, 5), datetime(2025, 4, 5)], include_start=True
),
)
def test_cron_schedule(self):
self.assertEqual(
timedelta_from_schedule(
"0 0 2 * *", datetime(2024, 1, 1), datetime(2024, 3, 1)
),
timedelta_from_schedule(
[datetime(2024, 1, 2), datetime(2024, 2, 2)], include_start=True
),
)
def test_cron_schedule_more(self):
self.assertEqual(
timedelta_from_schedule(
"0 0 2 */1 *", datetime(2024, 1, 1), datetime(2024, 4, 1)
),
timedelta_from_schedule(
[datetime(2024, 1, 2), datetime(2024, 2, 2), datetime(2024, 3, 2)],
include_start=True,
),
)
class TestProjections(unittest.TestCase):
def test_basic_addition(self):
adds = Add("1d", 10)
start = Item(start_value=100)
start.add_projection(adds)
self.assertEqual(
start.run(datetime(2024, 5, 1), datetime(2024, 5, 10)).final, 190
)
def test_basic_replace(self):
adds = Replace("1d", 10)
start = Item(start_value=100)
start.add_projection(adds)
self.assertEqual(start.run(datetime(2024, 5, 1), datetime(2024, 5, 10)).final, 10)
def test_basic_multiplication(self):
adds = Add("1d", 10)
multiplies = Multiply("3d", 2)
start = Item(start_value=100)
start.add_projection(adds)
start.add_projection(multiplies)
self.assertEqual(
start.run(datetime(2024, 5, 1), datetime(2024, 5, 10)).final, 1220
)
def test_projection_manipulation(self):
adds = Add("1d", 10, start_date="2024-5-3")
start = Item(start_value=100)
start.add_projections([adds])
self.assertEqual(
start.run(datetime(2024, 5, 1), datetime(2024, 5, 10)).final, 170
)
def test_nested_projections(self):
adds = Add("1d", 1)
multiplies = Multiply("2d", 2)
start = Item(start_value=1)
adds.add_projection(multiplies)
start.add_projection(adds)
self.assertEqual(start.run(datetime(2024, 5, 1), datetime(2024, 5, 10)).final, 47)
def test_offset(self):
test = Add("1m", 1, offset="1m", include_start=True)
savings = Item(start_value=100)
savings.add_projection(test)
result = savings.run("2024-1-1", "2024-2-1")
self.assertEqual(result.final, 101)
class TestItems(unittest.TestCase):
def test_add_projection(self):
adds = Add("1d", 10)
start = Item(start_value=100)
start.add_projection(adds)
self.assertEqual(len(start.projections), 1)
def test_add_projections(self):
adds = Add("1d", 10)
test = Add("2d", 10)
start = Item(start_value=100)
start.add_projections([adds, test])
self.assertEqual(len(start.projections), 2)
def test_until_projection(self):
savings = Item(start_value=10)
dividends = Add("3d", 10)
dividends_growth = Multiply("7d", 2)
dividends.add_projection(dividends_growth)
savings.add_projections([dividends])
self.assertEqual(savings.until(10000), relativedelta(days=60))
def test_multiple_runs(self):
savings = Item(start_value=100)
salary_payments = Add("1m", 2500, offset="24d")
salary_increase = Multiply("1y", 1.2)
salary_payments.add_projection(salary_increase)
savings.add_projections([salary_payments])
result_1 = savings.run("2024-1-1", "2028-1-1", Granularity.day)
savings.until(300)
for date, saved in savings.iterate("2024-1-1", "2024-4-1", Granularity.day):
pass
result_2 = savings.run("2024-1-1", "2028-1-1", Granularity.hour)
self.assertEqual(result_1.final, result_2.final)
def test_item_iterator(self):
test = []
savings = Item(start_value=100)
salary_payments = Add("1m", 2500, offset="24d")
salary_increase = Multiply("1y", 1.2)
salary_payments.add_projection(salary_increase)
savings.add_projections([salary_payments])
for date, saved in savings.iterate("2024-1-1", "2024-4-1", Granularity.day):
test.append((date, saved.value))
self.assertEqual(len(test), 92)
if __name__ == "__main__":
unittest.main()