nip.io
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import collections import os import sys import unittest from assertpy import assert_that from mock.mock import patch, call from nipio.backend import DynamicBackend class DynamicBackendTest(unittest.TestCase): def setUp(self): self.mock_sys_patcher = patch("nipio.backend.sys") self.mock_sys = self.mock_sys_patcher.start() self.mock_sys.stderr.write = sys.stderr.write import nipio nipio.backend._is_debug = lambda: True def tearDown(self): sys.stderr.flush() self.mock_sys_patcher.stop() def test_backend_ends_response_to_ANY_request_if_ip_is_blacklisted(self): self._send_commands(["Q", "subdomain.127.0.0.2.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses(["LOG", "Blacklisted: 127.0.0.2"]) def test_backend_ends_response_to_A_request_if_ip_is_blacklisted(self): self._send_commands(["Q", "subdomain.127.0.0.2.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["LOG", "Blacklisted: 127.0.0.2"] ) def test_backend_responds_to_ANY_request_with_valid_ip(self): self._send_commands(["Q", "subdomain.127.0.0.1.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.1"], ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_A_request_with_valid_ip(self): self._send_commands(["Q", "subdomain.127.0.0.1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.1"], ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_invalid_ip_in_ANY_request_with_self_ip(self): self._send_commands(["Q", "subdomain.127.0.1.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_invalid_ip_in_A_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_short_ip_in_ANY_request_with_self_ip(self): self._send_commands(["Q", "127.0.1.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "127.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "127.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "127.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_short_ip_in_A_request_with_self(self): self._send_commands(["Q", "127.0.1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "127.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "127.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "127.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_large_ip_in_ANY_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.300.1.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.300.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.300.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.300.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_large_ip_in_A_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.300.1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.300.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.300.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.300.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_string_in_ip_in_ANY_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.STRING.1.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.string.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.string.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.string.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_string_in_ip_in_A_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.STRING.1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.string.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.string.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.string.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_no_ip_in_ANY_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.1.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_no_ip_in_A_request_with_self(self): self._send_commands(["Q", "subdomain.127.0.1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.1.lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "subdomain.127.0.1.lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_self_domain_to_A_request(self): self._send_commands(["Q", "lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_self_domain_to_ANY_request(self): self._send_commands(["Q", "lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "lcl.io", "IN", "A", "200", "22", "127.0.0.33"], ["DATA", "lcl.io", "IN", "NS", "200", "22", "ns1.lcl.io"], ["DATA", "lcl.io", "IN", "NS", "200", "22", "ns2.lcl.io"], ) def test_backend_responds_to_name_servers_A_request_with_valid_ip(self): self._send_commands(["Q", "ns1.lcl.io", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "ns1.lcl.io", "IN", "A", "200", "22", "127.0.0.34"], ) def test_backend_responds_to_name_servers_ANY_request_with_valid_ip(self): self._send_commands(["Q", "ns2.lcl.io", "IN", "ANY", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "ns2.lcl.io", "IN", "A", "200", "22", "127.0.0.35"], ) def test_backend_responds_to_SOA_request_for_self(self): self._send_commands(["Q", "lcl.io", "IN", "SOA", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "lcl.io", "IN", "SOA", "200", "22", "MY_SOA"] ) def test_backend_responds_to_SOA_request_for_valid_ip(self): self._send_commands(["Q", "subdomain.127.0.0.1.lcl.io", "IN", "SOA", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.0.1.lcl.io", "IN", "SOA", "200", "22", "MY_SOA"] ) def test_backend_responds_to_SOA_request_for_invalid_ip(self): self._send_commands(["Q", "subdomain.127.0.1.lcl.io", "IN", "SOA", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.127.0.1.lcl.io", "IN", "SOA", "200", "22", "MY_SOA"] ) def test_backend_responds_to_SOA_request_for_no_ip(self): self._send_commands(["Q", "subdomain.lcl.io", "IN", "SOA", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "subdomain.lcl.io", "IN", "SOA", "200", "22", "MY_SOA"] ) def test_backend_responds_to_SOA_request_for_nameserver(self): self._send_commands(["Q", "ns1.lcl.io", "IN", "SOA", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["DATA", "ns1.lcl.io", "IN", "SOA", "200", "22", "MY_SOA"] ) def test_backend_responds_to_A_request_for_unknown_domain_with_invalid_response(self): self._send_commands(["Q", "unknown.domain", "IN", "A", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["LOG", "Unknown type: A, domain: unknown.domain"] ) def test_backend_responds_to_invalid_request_with_invalid_response(self): self._send_commands(["Q", "lcl.io", "IN", "INVALID", "1", "127.0.0.1"]) self._run_backend() self._assert_expected_responses( ["LOG", "Unknown type: INVALID, domain: lcl.io"] ) def test_backend_responds_to_invalid_command_with_fail(self): self._send_commands(["INVALID", "COMMAND"]) self._run_backend() calls = [ call("OK"), call("\t"), call("We are good"), call("\n"), call("FAIL"), call("\n"), ] self.mock_sys.stdout.write.assert_has_calls(calls) assert_that(self.mock_sys.stdout.write.call_count).is_equal_to(len(calls)) assert_that(self.mock_sys.stdout.flush.call_count).is_equal_to(2) def test_configure_with_full_config(self): backend = self._configure_backend() assert_that(backend.id).is_equal_to("55") assert_that(backend.ip_address).is_equal_to("127.0.0.40") assert_that(backend.domain).is_equal_to("lcl.io") assert_that(backend.ttl).is_equal_to("1000") assert_that(backend.name_servers).is_equal_to({"ns1.lcl.io": "127.0.0.41", "ns2.lcl.io" : "127.0.0.42"}) assert_that(backend.blacklisted_ips).is_equal_to(["10.0.0.100"]) assert_that(backend.soa).is_equal_to("ns1.lcl.io emailaddress@lcl.io 55") def test_configure_with_config_missing_blacklists(self): backend = self._configure_backend(filename="backend_test_no_blacklist.conf") assert_that(backend.blacklisted_ips).is_empty() def _run_backend(self): backend = self._create_backend() backend.run() def _send_commands(self, *commands): commands_to_send = ["HELO\t1\n"] for command in commands: commands_to_send.append("\t".join(command) + "\n") commands_to_send.append("END\n") self.mock_sys.stdin.readline.side_effect = commands_to_send def _assert_expected_responses(self, *responses): calls = [ call("OK"), call("\t"), call("We are good"), call("\n"), ] for response in responses: tab_separated = ["\t"] * (len(response) * 2 - 1) tab_separated[0::2] = response tab_separated.append("\n") calls.extend([call(response_item) for response_item in tab_separated]) calls.extend([ call("END"), call("\n"), ]) self.mock_sys.stdout.write.assert_has_calls(calls) assert_that(self.mock_sys.stdout.write.call_count).is_equal_to(len(calls)) assert_that(self.mock_sys.stdout.flush.call_count).is_equal_to(len(responses) + 2) @staticmethod def _create_backend(): backend = DynamicBackend() backend.id = "22" backend.soa = "MY_SOA" backend.ip_address = "127.0.0.33" backend.ttl = "200" backend.name_servers = collections.OrderedDict([ ("ns1.lcl.io", "127.0.0.34"), ("ns2.lcl.io", "127.0.0.35"), ]) backend.domain = "lcl.io" backend.blacklisted_ips = ["127.0.0.2"] return backend def _configure_backend(self, filename="backend_test.conf"): backend = DynamicBackend() backend._get_config_filename = lambda: self._get_test_config_filename(filename) backend.configure() return backend def _get_test_config_filename(self, filename): return os.path.join(os.path.dirname(os.path.realpath(__file__)), filename) |
Commits for nip.ionipio_tests/backend_test.py
Revision | Author | Commited | Message |
---|---|---|---|
ff3961 ... | rs | Fri 08 Feb, 2019 07:09:51 +0000 | Add tests and support for blacklisting IPs |