def test_n_rows_returned_when_born_beetween_called_with_valid_arg():
n = 4
from_date = datetime.strptime('1964-01-01', '%Y-%m-%d')
to_date = datetime.strptime('1966-01-01', '%Y-%m-%d')
res = PersonService.born_between(from_date, to_date)
res = list(r for r in res)
assert len(res) == n
def get_persons_born(date_from, date_to):
try:
persons = PersonService.born_between(date_from, date_to)
for p in persons:
print("{} {}, born: {}".format(p.name_first, p.name_last, p.dob_date))
except OperationalError:
print('Database is empty please download some persons first')