rrset.add_rdata(Rdata(RRType.SOA(), TEST_RRCLASS, rdata_str))
return rrset
+ def _create_ns(self, nsname='ns.'+TEST_ZONE_NAME_STR):
+ rrset = RRset(TEST_ZONE_NAME, TEST_RRCLASS, RRType.NS(), RRTTL(3600))
+ rrset.add_rdata(Rdata(RRType.NS(), TEST_RRCLASS, nsname))
+ return rrset
+
class TestAXFR(TestXfrinConnection):
def setUp(self):
super().setUp()
[[('remove', begin_soa_rrset), ('add', soa_rrset)]],
self.conn._datasrc_client.committed_diffs)
+ def test_ixfr_to_axfr_response(self):
+ '''AXFR-style IXFR response.
+
+ It simply updates the zone's SOA one time.
+
+ '''
+ ns_rr = self._create_ns()
+ a_rr = self._create_a('192.0.2.1')
+ self.conn.reply_data = self.conn.create_response_data(
+ questions=[Question(TEST_ZONE_NAME, TEST_RRCLASS, RRType.IXFR())],
+ answers=[soa_rrset, ns_rr, a_rr, soa_rrset])
+ self.conn._handle_xfrin_responses()
+ self.assertEqual(type(XfrinAXFREnd()), type(self.conn.get_xfrstate()))
+ self.assertEqual([], self.conn._datasrc_client.diffs)
+ # The SOA should be added exactly once, and in our implementation
+ # it should be added at the end of the sequence.
+ check_diffs(self.assertEqual,
+ [[('add', ns_rr), ('add', a_rr), ('add', soa_rrset)]],
+ self.conn._datasrc_client.committed_diffs)
+
+ def test_ixfr_to_axfr_response_mismatch_soa(self):
+ '''AXFR-style IXFR response, but the two SOA are not the same.
+
+ In the current implementation, we accept it and use the second SOA.
+
+ '''
+ ns_rr = self._create_ns()
+ a_rr = self._create_a('192.0.2.1')
+ self.conn.reply_data = self.conn.create_response_data(
+ questions=[Question(TEST_ZONE_NAME, TEST_RRCLASS, RRType.IXFR())],
+ answers=[soa_rrset, ns_rr, a_rr, begin_soa_rrset])
+ self.conn._handle_xfrin_responses()
+ self.assertEqual(type(XfrinAXFREnd()), type(self.conn.get_xfrstate()))
+ self.assertEqual([], self.conn._datasrc_client.diffs)
+ check_diffs(self.assertEqual,
+ [[('add', ns_rr), ('add', a_rr),
+ ('add', begin_soa_rrset)]],
+ self.conn._datasrc_client.committed_diffs)
+
+ def test_ixfr_to_axfr_response_extra(self):
+ '''Test with an extra RR after the end of AXFR-style IXFR session.
+
+ The session should be rejected, and nothing should be committed.
+
+ '''
+ ns_rr = self._create_ns()
+ a_rr = self._create_a('192.0.2.1')
+ self.conn.reply_data = self.conn.create_response_data(
+ questions=[Question(TEST_ZONE_NAME, TEST_RRCLASS, RRType.IXFR())],
+ answers=[soa_rrset, ns_rr, a_rr, soa_rrset, a_rr])
+ self.assertRaises(XfrinProtocolError,
+ self.conn._handle_xfrin_responses)
+ self.assertEqual(type(XfrinAXFREnd()), type(self.conn.get_xfrstate()))
+ self.assertEqual([], self.conn._datasrc_client.committed_diffs)
+
class TestIXFRSession(TestXfrinConnection):
'''Tests for a full IXFR session (query and response).
self.assertEqual(1, soa.get_rdata_count())
return get_soa_serial(soa.get_rdata()[0])
+ def record_exist(self, name, type):
+ result, finder = self.conn._datasrc_client.find_zone(TEST_ZONE_NAME)
+ self.assertEqual(DataSourceClient.SUCCESS, result)
+ result, soa = finder.find(name, type, None, ZoneFinder.FIND_DEFAULT)
+ return result == ZoneFinder.SUCCESS
+
def test_do_xfrin_sqlite3(self):
def create_ixfr_response():
self.conn.reply_data = self.conn.create_response_data(
self.assertEqual(XFRIN_FAIL, self.conn.do_xfrin(False, RRType.IXFR()))
self.assertEqual(1230, self.get_zone_serial())
+ def test_do_xfrin_axfr_sqlite3(self):
+ '''AXFR-style IXFR.
+
+ '''
+ def create_ixfr_response():
+ self.conn.reply_data = self.conn.create_response_data(
+ questions=[Question(TEST_ZONE_NAME, TEST_RRCLASS,
+ RRType.IXFR())],
+ answers=[soa_rrset, self._create_ns(), soa_rrset])
+ self.conn.response_generator = create_ixfr_response
+
+ # Confirm xfrin succeeds and SOA is updated, A RR is deleted.
+ self.assertEqual(1230, self.get_zone_serial())
+ self.assertTrue(self.record_exist(Name('dns01.example.com'),
+ RRType.A()))
+ self.assertEqual(XFRIN_OK, self.conn.do_xfrin(False, RRType.IXFR()))
+ self.assertEqual(1234, self.get_zone_serial())
+ self.assertFalse(self.record_exist(Name('dns01.example.com'),
+ RRType.A()))
+
+ def test_do_xfrin_axfr_sqlite3_fail(self):
+ '''Similar to the previous test, but xfrin fails due to error.
+
+ Check the DB is not changed.
+
+ '''
+ def create_ixfr_response():
+ self.conn.reply_data = self.conn.create_response_data(
+ questions=[Question(TEST_ZONE_NAME, TEST_RRCLASS,
+ RRType.IXFR())],
+ answers=[soa_rrset, self._create_ns(), soa_rrset, soa_rrset])
+ self.conn.response_generator = create_ixfr_response
+
+ self.assertEqual(1230, self.get_zone_serial())
+ self.assertTrue(self.record_exist(Name('dns01.example.com'),
+ RRType.A()))
+ self.assertEqual(XFRIN_FAIL, self.conn.do_xfrin(False, RRType.IXFR()))
+ self.assertEqual(1230, self.get_zone_serial())
+ self.assertTrue(self.record_exist(Name('dns01.example.com'),
+ RRType.A()))
+
class TestXfrinRecorder(unittest.TestCase):
def setUp(self):
self.recorder = XfrinRecorder()