randomization artifacts for unittests

random_test_artifacts.py

import random
import string

def rand_string(rrange=25):
    return ''.join(random.choice(string.ascii_uppercase + string.digits) for _ in range(rrange))


def rand_email():
    return '{}@{}.{}'.format(rand_string(10), rand_string(7), rand_string(3))


def rand_int(rmin=30000, rmax=70000):
    return random.randint(rmin, rmax)


def rand_datetime(c=None):
    if c is None:
        c = datetime.datetime.utcnow()
    else:
        c = datetime.datetime.strptime(c, '%Y-%m-%d %H:%M:%S.%f')
    return str(c + datetime.timedelta(minutes=random.randrange(60),
                                      hours=random.randrange(24),
                                      days=random.randrange(1000)))