def test_empty_donation():
# Test that a new donor returns $0 for all donation methods
d = Donor('Eleanor Shellstrop')
assert d.lastDonation() == 0
assert d.totalDonations() == 0
assert d.averageDonation() == 0
assert d.numDonations() == 0
def test_add_donation():
# Test that donations can be added, and that last/total donations work
d = Donor('Eleanor Shellstrop')
donations_to_add = [100., 50., 150.]
for amount in donations_to_add:
d.addDonation(amount)
assert d.donations == donations_to_add
assert d.lastDonation() == 150.
assert d.totalDonations() == 300.
assert d.averageDonation() == 100.
assert d.numDonations() == 3
