How to use is_valid_domain_name method in localstack

Best Python code snippet using localstack_python

test_validators.py

Source:test_validators.py

...23    def test_is_valid_domainname_should_return_true_with_valid_domain(self):24        """25        Tests that is_valid_domain_name returns True for a valid domain.26        """27        self.assertTrue(is_valid_domain_name(self.valid_domain))28    def test_is_valid_domainname_should_return_false_with_invalid_domain(self):29        """30        Tests that is_valid_domain_name returns True for a valid domain.31        """32        self.assertFalse(is_valid_domain_name(self.invalid_domain))33class DomainNameValidatorTestCase(BaseTestCase):34    def setUp(self):35        self.valid_domains = [36            'here.com', 'here.and.there.com', '[127.0.0.1]',37            'valid-----hyphens.com', 'valid-with-hyphens.com',38            'domain.with.idn.tld.à¤à¤¦à¤¾à¤¹à¤°à¤£.à¤ªà¤°à¥à¤à¥à¤·à¤¾', 'localhost'39        ]40        self.invalid_domains = [41            None, '', 'abc', '.com', '127.0.0.1', 'invalid-.com',42            '-invalid.com', 'inv-.alid-.com', 'inv-.-alid.com',43            'example.com\n\n<script src="x.js">', 'shouldfail.com.'44        ]45        self.validator = DomainNameValidator()46    def test_valid_domains_should_return_none(self):...

__main__.py

Source:__main__.py

1import argparse2DOMAIN_FORBID_CHARS = set("\"'\0\n\r\t ")3def is_valid_domain_name(domain):4    # This is a very crude check to filter out forbidden chars in the5    # domain name. A few chars must be filtered out to prevent syntax6    # errors in the unbound configuration. The current approach is7    # however not fool-proof..8    #9    # A regular expression would be the better option, but I couldn't quickly10    # find a regular expression that works for all domains in the StevenBlack11    # hosts file.12    return not any((c in DOMAIN_FORBID_CHARS) for c in domain)13def parse_line(line):14    # Ignore empty and commented lines.15    line = line.strip()16    if (not line) or line[0] == "#":17        return None18    # Strip comments after content.19    line = line.split("#", 1)[0].strip()20    parts = line.split(" ")21    host = parts[1 if len(parts) > 1 else 0].strip()22    if host == "0.0.0.0" or not is_valid_domain_name(host):23        return None24    return host25def parse(filename):26    with open(filename) as f:27        for line in f:28            host = parse_line(line)29            if host is not None:30                yield host31def format_block_rule(host):32    return 'local-zone: "{0}" static'.format(host)33def expand_host(host):34    parts = host.split(".")35    for i in range(2, len(parts)):36        yield ".".join(parts[-i:])...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.