def test_revisions_to_fees(self):
rentRevision1 = RentRevision(start_date=date(2011, 1, 1),
end_date=date(2011, 3, 1),
rent=200,
provision=100)
rentRevision2 = RentRevision(start_date=date(2011, 3, 1),
end_date=date(2011, 5, 1),
rent=300,
provision=200)
self.assertEqual(
0,
sum([
f.amount for f in revisions_to_cashflows(
date(1990, 1, 1), [rentRevision1, rentRevision2])
]))
self.assertEqual(
-300,
sum([
f.amount for f in revisions_to_cashflows(
date(2011, 1, 15), [rentRevision1, rentRevision2])
]))
self.assertEqual(
-1100,
sum([
f.amount for f in revisions_to_cashflows(
date(2011, 3, 15), [rentRevision1, rentRevision2])
]))
self.assertEqual(
-1600,
sum([
f.amount for f in revisions_to_cashflows(
date(2011, 8, 15), [rentRevision1, rentRevision2])
]))
def test_revisions_to_fees(self):
rentRevision1 = RentRevision(
start_date=date(2011, 1, 1),
end_date=date(2011, 3, 1),
rent=200,
provision=100)
rentRevision2 = RentRevision(
start_date=date(2011, 3, 1),
end_date=date(2011, 5, 1),
rent=300,
provision=200)
self.assertEqual(0, sum([f.amount for f in revisions_to_cashflows(
date(1990, 1, 1),
[rentRevision1, rentRevision2])]))
self.assertEqual(-300, sum([f.amount for f in revisions_to_cashflows(
date(2011, 1, 15),
[rentRevision1, rentRevision2])]))
self.assertEqual(-1100, sum([f.amount for f in revisions_to_cashflows(
date(2011, 3, 15),
[rentRevision1, rentRevision2])]))
self.assertEqual(-1600, sum([f.amount for f in revisions_to_cashflows(
date(2011, 8, 15),
[rentRevision1, rentRevision2])]))
def test_revisions_to_fees(self):
rentRevision1 = RentRevision(
start_date=date(2011, 1, 1),
end_date=date(2011, 2, 28),
rent=200,
provision=100)
rentRevision2 = RentRevision(
start_date=date(2011, 3, 1),
end_date=date(2011, 4, 30),
rent=300,
provision=200)
self.assertEqual(0, sum([f.amount for f in revisions_to_cashflows(
date(1990, 1, 1),
[rentRevision1, rentRevision2])]))
self.assertEqual(-300, sum([f.amount for f in revisions_to_cashflows(
date(2011, 1, 15),
[rentRevision1, rentRevision2])]))
self.assertEqual(-1100, sum([f.amount for f in revisions_to_cashflows(
date(2011, 3, 15),
[rentRevision1, rentRevision2])]))
self.assertEqual(-1600, sum([f.amount for f in revisions_to_cashflows(
date(2011, 8, 15),
[rentRevision1, rentRevision2])]))
#partial_months-revisions
rentRevision_partial_1 = RentRevision(
start_date=date(2010, 11, 26),
end_date=date(2011, 1, 25),
rent=200.0,
provision=100.0)# 591,935483871 fee
rentRevision_partial_2 = RentRevision(
start_date=date(2011, 1, 26),
end_date=date(2011, 2, 6),
rent=300.0,
provision=200.0) #203,917050691 fee
#sum fees = 795,852534562
self.assertEqual(-795.86, round(sum([f.amount for f in revisions_to_cashflows(
date(2011, 2, 6),
[rentRevision_partial_1,rentRevision_partial_2])]),2))
self.assertEqual(-591.94, sum([f.amount for f in revisions_to_cashflows(
date(2011, 2, 6),
[rentRevision_partial_1])]))