def test_save_in_use():
obj = PaymentPlanFactory()
ObjectPaymentPlanFactory(
payment_plan=obj,
content_object=ContactFactory(),
)
obj.name = 'Another Name'
with pytest.raises(CheckoutError) as e:
obj.save()
assert 'Payment plan in use. Cannot be updated.' in str(e.value)
def test_example():
plan = PaymentPlanFactory(
deposit=50,
count=2,
interval=1
)
deposit_due_date = date(2015, 1, 2)
result = [
item[1] for item in plan.example(deposit_due_date, Decimal('100'))
]
assert [Decimal('50'), Decimal('25'), Decimal('25')] == result
def test_simple():
plan = PaymentPlanFactory(
deposit=20,
count=2,
interval=1
)
total = Decimal('100')
# deposit
assert Decimal('20') == plan.deposit_amount(total)
# instalments
deposit_due_date = date(2015, 1, 2)
result = plan.instalments(deposit_due_date, total)
assert [
(deposit_due_date + relativedelta(months=+1, day=1), Decimal('40')),
(deposit_due_date + relativedelta(months=+2, day=1), Decimal('40')),
] == result
def test_illustration_awkward():
plan = PaymentPlanFactory(
deposit=50,
count=3,
interval=2
)
total = Decimal('200')
# deposit
assert Decimal('100') == plan.deposit_amount(total)
# instalments
deposit_due_date = date(2015, 1, 2)
result = plan.instalments(deposit_due_date, total)
assert [
(deposit_due_date + relativedelta(months=+2, day=1), Decimal('33.33')),
(deposit_due_date + relativedelta(months=+4, day=1), Decimal('33.33')),
(deposit_due_date + relativedelta(months=+6, day=1), Decimal('33.34')),
] == result
def test_save_not_in_use():
ObjectPaymentPlanFactory(
payment_plan=PaymentPlanFactory(),
content_object=ContactFactory(),
)
obj = PaymentPlanFactory()
obj.name = 'Another Name'
obj.save()
obj.refresh_from_db()
assert obj.name == 'Another Name'
def test_illustration_typical():
plan = PaymentPlanFactory(
deposit=15,
count=6,
interval=1
)
total = Decimal('600')
# deposit
assert Decimal('90') == plan.deposit_amount(total)
# instalments
deposit_due_date = date(2015, 1, 22)
result = plan.instalments(deposit_due_date, total)
assert [
(deposit_due_date + relativedelta(months=+2, day=1), Decimal('85')),
(deposit_due_date + relativedelta(months=+3, day=1), Decimal('85')),
(deposit_due_date + relativedelta(months=+4, day=1), Decimal('85')),
(deposit_due_date + relativedelta(months=+5, day=1), Decimal('85')),
(deposit_due_date + relativedelta(months=+6, day=1), Decimal('85')),
(deposit_due_date + relativedelta(months=+7, day=1), Decimal('85')),
] == result
def test_create_object_payment_plan():
contact = ContactFactory()
payment_plan = PaymentPlanFactory(
deposit=20,
count=2,
interval=1,
)
# create the contact plan with the deposit
with transaction.atomic():
# this must be run within a transaction
ObjectPaymentPlan.objects.create_object_payment_plan(
contact,
payment_plan,
Decimal('100')
)
object_payment_plan = ObjectPaymentPlan.objects.for_content_object(contact)
# check deposit - count should be '1' and the 'due' date ``today``
result = [
(p.count, p.amount, p.due) for p in object_payment_plan.payments
]
assert [(1, Decimal('20'), date.today())] == result
# create the instalments
with transaction.atomic():
# this must be run within a transaction
object_payment_plan.create_instalments()
result = [
(p.count, p.amount, p.due) for p in object_payment_plan.payments
]
offset = 0
# instalments start a month later if after the 15th of the month
if date.today().day > 15:
offset = 1
assert [
(
1,
Decimal('20'),
date.today()
),
(
2,
Decimal('40'),
date.today() + relativedelta(months=+(1+offset), day=1)
),
(
3,
Decimal('40'),
date.today() + relativedelta(months=+(2+offset), day=1)
),
] == result
def test_create_instalments_once_only():
contact = ContactFactory()
payment_plan = PaymentPlanFactory(deposit=20, count=2, interval=1)
# create the contact plan with the deposit
with transaction.atomic():
# this must be run within a transaction
contact_pp = ObjectPaymentPlan.objects.create_object_payment_plan(
contact,
payment_plan,
Decimal('100')
)
# create the instalments
with transaction.atomic():
# this must be run within a transaction
contact_pp.create_instalments()
with pytest.raises(CheckoutError) as e:
contact_pp.create_instalments()
assert 'instalments already created' in str(e.value)
def test_interval_greater_zero():
obj = PaymentPlanFactory(deposit=10, count=6, interval=0)
with pytest.raises(ValidationError):
obj.full_clean()
def test_factory():
PaymentPlanFactory()
def test_save():
obj = PaymentPlanFactory()
obj.name = 'Another Name'
obj.save()
obj.refresh_from_db()
assert obj.name == 'Another Name'