def test_update_resolver_nameservers_multiple_nameservers_no_file(self):
nameserver_filename = None
nameservers = ['192.168.1.1', '192.168.1.2']
resolver = dns.resolver.Resolver()
result = fierce.update_resolver_nameservers(resolver, nameservers,
nameserver_filename)
expected = nameservers
self.assertEqual(expected, result.nameservers)
def test_update_resolver_nameservers_empty_no_file(self):
nameserver_filename = None
nameservers = []
resolver = dns.resolver.Resolver()
expected = resolver.nameservers
result = fierce.update_resolver_nameservers(resolver, nameservers,
nameserver_filename)
self.assertEqual(expected, result.nameservers)
def test_update_resolver_nameservers_prefer_nameservers_over_file(self):
nameserver_filename = os.path.join("directory", "nameservers")
nameservers = ['192.168.1.1', '192.168.1.2']
contents = textwrap.dedent("""nameserver1
nameserver2
nameserver3
""")
self.fs.CreateFile(nameserver_filename, contents=contents)
resolver = dns.resolver.Resolver()
result = fierce.update_resolver_nameservers(resolver, nameservers,
nameserver_filename)
expected = nameservers
self.assertEqual(expected, result.nameservers)
def test_update_resolver_nameservers_no_nameserver_use_file(self):
nameserver_filename = os.path.join("directory", "nameservers")
nameservers = []
contents = textwrap.dedent("""nameserver1
nameserver2
nameserver3
""")
self.fs.CreateFile(nameserver_filename, contents=contents)
resolver = dns.resolver.Resolver()
result = fierce.update_resolver_nameservers(resolver, nameservers,
nameserver_filename)
expected = contents.split()
self.assertEqual(expected, result.nameservers)
