Simple function and test to show off hypothesis

validate_email.py

import re
from hypothesis import given, strategies as st


EMAIL_REGEX = re.compile(r'[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+')


def validate_email(email):
    """ Validates an email address"""
    if EMAIL_REGEX.match(email):
        return True
    else:
        return False


@given(email=st.emails())
def test_email_validation(email):
    print(email)
    assert validate_email(email) is True