def test_raise_error_when_existing_username_is_used_again(
db_with_one_user, app):
with app.test_request_context():
r = RegistrationForm()
field = Mock()
field.data = 'sir_lancelot'
with pytest.raises(ValidationError):
r.validate_username(field)
def test_validate_username_fails_if_username_exists_in_db(self, db):
"""validate_username raises a ValidationError if username is in db."""
user = create_dummy_user()
db.session.add(user)
db.session.commit()
form = RegistrationForm()
form.username.data = user.name
with pytest.raises(ValidationError):
form.validate_username(form.username)
def test_not_raise_error_when_new_username_is_used(db_with_one_user, app):
with app.test_request_context():
r = RegistrationForm()
field = Mock()
field.data = 'sir_arthur'
r.validate_username(field)
def test_validata_username(self):
with self.app.test_request_context():
form = RegistrationForm()
with self.assertRaises(ValidationError):
form.username.data = "as"
form.validate_username(form.username)
