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- import unittest
- import os
- from pydnspp import *
- from testutil import *
- class MessageFlagTest(unittest.TestCase):
- def test_init(self):
- self.assertRaises(NotImplementedError, MessageFlag)
- def test_get_bit(self):
- self.assertEqual(0x8000, MessageFlag.QR().get_bit())
- self.assertEqual(0x0400, MessageFlag.AA().get_bit())
- self.assertEqual(0x0200, MessageFlag.TC().get_bit())
- self.assertEqual(0x0100, MessageFlag.RD().get_bit())
- self.assertEqual(0x0080, MessageFlag.RA().get_bit())
- self.assertEqual(0x0020, MessageFlag.AD().get_bit())
- self.assertEqual(0x0010, MessageFlag.CD().get_bit())
- class OpcodeTest(unittest.TestCase):
- def test_init(self):
- self.assertRaises(NotImplementedError, Opcode)
- def test_get_code(self):
- self.assertEqual(0, Opcode.QUERY().get_code())
- self.assertEqual(1, Opcode.IQUERY().get_code())
- self.assertEqual(2, Opcode.STATUS().get_code())
- self.assertEqual(3, Opcode.RESERVED3().get_code())
- self.assertEqual(4, Opcode.NOTIFY().get_code())
- self.assertEqual(5, Opcode.UPDATE().get_code())
- self.assertEqual(6, Opcode.RESERVED6().get_code())
- self.assertEqual(7, Opcode.RESERVED7().get_code())
- self.assertEqual(8, Opcode.RESERVED8().get_code())
- self.assertEqual(9, Opcode.RESERVED9().get_code())
- self.assertEqual(10, Opcode.RESERVED10().get_code())
- self.assertEqual(11, Opcode.RESERVED11().get_code())
- self.assertEqual(12, Opcode.RESERVED12().get_code())
- self.assertEqual(13, Opcode.RESERVED13().get_code())
- self.assertEqual(14, Opcode.RESERVED14().get_code())
- self.assertEqual(15, Opcode.RESERVED15().get_code())
- def test_to_text(self):
- self.assertEqual("QUERY", Opcode.QUERY().to_text())
- self.assertEqual("QUERY", str(Opcode.QUERY()))
- self.assertEqual("IQUERY", Opcode.IQUERY().to_text())
- self.assertEqual("STATUS", Opcode.STATUS().to_text())
- self.assertEqual("RESERVED3", Opcode.RESERVED3().to_text())
- self.assertEqual("NOTIFY", Opcode.NOTIFY().to_text())
- self.assertEqual("UPDATE", Opcode.UPDATE().to_text())
- self.assertEqual("RESERVED6", Opcode.RESERVED6().to_text())
- self.assertEqual("RESERVED7", Opcode.RESERVED7().to_text())
- self.assertEqual("RESERVED8", Opcode.RESERVED8().to_text())
- self.assertEqual("RESERVED9", Opcode.RESERVED9().to_text())
- self.assertEqual("RESERVED10", Opcode.RESERVED10().to_text())
- self.assertEqual("RESERVED11", Opcode.RESERVED11().to_text())
- self.assertEqual("RESERVED12", Opcode.RESERVED12().to_text())
- self.assertEqual("RESERVED13", Opcode.RESERVED13().to_text())
- self.assertEqual("RESERVED14", Opcode.RESERVED14().to_text())
- self.assertEqual("RESERVED15", Opcode.RESERVED15().to_text())
- def test_richcmp(self):
- o1 = Opcode.QUERY()
- o2 = Opcode.NOTIFY()
- o3 = Opcode.NOTIFY()
- self.assertTrue(o2 == o3)
- self.assertFalse(o2 != o3)
- self.assertTrue(o1 != o2)
- self.assertFalse(o1 == 1)
- self.assertFalse(o1 == o2)
-
- try:
- o1 < o2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- o1 <= o2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- o1 > o2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- o1 >= o2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- class RcodeTest(unittest.TestCase):
- def test_init(self):
- self.assertRaises(TypeError, Rcode, "wrong")
- self.assertRaises(OverflowError, Rcode, 65536)
- self.assertEqual(Rcode(0).get_code(), 0)
-
- self.assertEqual(0, Rcode(0).get_code())
- self.assertEqual(0xfff, Rcode(0xfff).get_code())
-
-
- self.assertRaises(OverflowError, Rcode, 0x1000)
- self.assertRaises(OverflowError, Rcode, 0xffff)
- def test_get_code(self):
- self.assertEqual(0, Rcode.NOERROR().get_code())
- self.assertEqual(1, Rcode.FORMERR().get_code())
- self.assertEqual(2, Rcode.SERVFAIL().get_code())
- self.assertEqual(3, Rcode.NXDOMAIN().get_code())
- self.assertEqual(4, Rcode.NOTIMP().get_code())
- self.assertEqual(5, Rcode.REFUSED().get_code())
- self.assertEqual(6, Rcode.YXDOMAIN().get_code())
- self.assertEqual(7, Rcode.YXRRSET().get_code())
- self.assertEqual(8, Rcode.NXRRSET().get_code())
- self.assertEqual(9, Rcode.NOTAUTH().get_code())
- self.assertEqual(10, Rcode.NOTZONE().get_code())
- self.assertEqual(11, Rcode.RESERVED11().get_code())
- self.assertEqual(12, Rcode.RESERVED12().get_code())
- self.assertEqual(13, Rcode.RESERVED13().get_code())
- self.assertEqual(14, Rcode.RESERVED14().get_code())
- self.assertEqual(15, Rcode.RESERVED15().get_code())
- self.assertEqual(16, Rcode.BADVERS().get_code())
- def test_to_text(self):
- self.assertEqual("NOERROR", Rcode(0).to_text())
- self.assertEqual("NOERROR", str(Rcode(0)))
- self.assertEqual("FORMERR", Rcode(1).to_text())
- self.assertEqual("SERVFAIL", Rcode(2).to_text())
- self.assertEqual("NXDOMAIN", Rcode(3).to_text())
- self.assertEqual("NOTIMP", Rcode(4).to_text())
- self.assertEqual("REFUSED", Rcode(5).to_text())
- self.assertEqual("YXDOMAIN", Rcode(6).to_text())
- self.assertEqual("YXRRSET", Rcode(7).to_text())
- self.assertEqual("NXRRSET", Rcode(8).to_text())
- self.assertEqual("NOTAUTH", Rcode(9).to_text())
- self.assertEqual("NOTZONE", Rcode(10).to_text())
- self.assertEqual("RESERVED11", Rcode(11).to_text())
- self.assertEqual("RESERVED12", Rcode(12).to_text())
- self.assertEqual("RESERVED13", Rcode(13).to_text())
- self.assertEqual("RESERVED14", Rcode(14).to_text())
- self.assertEqual("RESERVED15", Rcode(15).to_text())
- self.assertEqual("BADVERS", Rcode(16).to_text())
-
- self.assertEqual("17", Rcode(Rcode.BADVERS().get_code() + 1).to_text())
- self.assertEqual("4095", Rcode(0xfff).to_text())
- def test_richcmp(self):
- r1 = Rcode.NOERROR()
- r2 = Rcode.FORMERR()
- r3 = Rcode.FORMERR()
- self.assertTrue(r2 == r3)
- self.assertTrue(r1 != r2)
- self.assertFalse(r1 == r2)
- self.assertFalse(r1 != 1)
-
- try:
- r1 < r2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- r1 <= r2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- r1 > r2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- r1 >= r2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- class SectionTest(unittest.TestCase):
- def test_init(self):
- self.assertRaises(NotImplementedError, Section)
- def test_get_code(self):
- self.assertEqual(0, Section.QUESTION().get_code())
- self.assertEqual(1, Section.ANSWER().get_code())
- self.assertEqual(2, Section.AUTHORITY().get_code())
- self.assertEqual(3, Section.ADDITIONAL().get_code())
- def test_richcmp(self):
- s1 = Section.QUESTION()
- s2 = Section.ANSWER()
- s3 = Section.ANSWER()
- self.assertTrue(s2 == s3)
- self.assertTrue(s1 != s2)
- self.assertFalse(s1 == s2)
- self.assertFalse(s1 == 1)
-
- try:
- s1 < s2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- s1 <= s2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- s1 > s2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
- try:
- s1 >= s2
- self.fail("operation that should have raised an error unexpectedly succeeded")
- except Exception as err:
- self.assertEqual(TypeError, type(err))
-
- if "TESTDATA_PATH" in os.environ:
- testdata_path = os.environ["TESTDATA_PATH"]
- else:
- testdata_path = "../tests/testdata"
- def factoryFromFile(message, file):
- data = read_wire_data(file)
- message.from_wire(data)
- pass
- def compare_rrset_list(list1, list2):
- if len(list1) != len(list2):
- return False
- for i in range(0, len(list1)):
- if str(list1[i]) != str(list2[i]):
- return False
- return True
- def create_message():
- message_render = Message(Message.RENDER)
- message_render.set_qid(0x1035)
- message_render.set_opcode(Opcode.QUERY())
- message_render.set_rcode(Rcode.NOERROR())
- message_render.set_header_flag(MessageFlag.QR())
- message_render.set_header_flag(MessageFlag.RD())
- message_render.set_header_flag(MessageFlag.AA())
- message_render.add_question(Question(Name("test.example.com"), RRClass("IN"), RRType("A")))
- rrset = RRset(Name("test.example.com"), RRClass("IN"),
- RRType("A"), RRTTL(3600))
- rrset.add_rdata(Rdata(RRType("A"), RRClass("IN"), "192.0.2.1"))
- rrset.add_rdata(Rdata(RRType("A"), RRClass("IN"), "192.0.2.2"))
- message_render.add_rrset(Section.ANSWER(), rrset)
- return message_render
- class MessageTest(unittest.TestCase):
- def setUp(self):
- self.p = Message(Message.PARSE)
- self.r = Message(Message.RENDER)
-
- def test_init(self):
- self.assertRaises(TypeError, Message, 3)
- self.assertRaises(TypeError, Message, "wrong")
- def test_get_header_flag(self):
- self.assertRaises(TypeError, self.p.get_header_flag, "wrong")
- self.assertFalse(self.p.get_header_flag(MessageFlag.AA()))
- def test_set_clear_header_flag(self):
- self.assertRaises(TypeError, self.r.set_header_flag, "wrong")
- self.assertRaises(TypeError, self.r.clear_header_flag, "wrong")
- self.assertFalse(self.r.get_header_flag(MessageFlag.AA()))
- self.r.set_header_flag(MessageFlag.AA())
- self.assertTrue(self.r.get_header_flag(MessageFlag.AA()))
- self.r.clear_header_flag(MessageFlag.AA())
- self.assertFalse(self.r.get_header_flag(MessageFlag.AA()))
- self.assertRaises(InvalidMessageOperation,
- self.p.set_header_flag, MessageFlag.AA())
- self.assertRaises(InvalidMessageOperation,
- self.p.clear_header_flag, MessageFlag.AA())
- def test_set_qid(self):
- self.assertRaises(TypeError, self.r.set_qid, "wrong")
- self.assertRaises(InvalidMessageOperation,
- self.p.set_qid, 123)
- self.r.set_qid(1234)
- self.assertEqual(1234, self.r.get_qid())
- def test_set_rcode(self):
- self.assertRaises(TypeError, self.r.set_rcode, "wrong")
- rcode = Rcode.BADVERS()
- self.r.set_rcode(rcode)
- self.assertEqual(rcode, self.r.get_rcode())
- self.assertRaises(InvalidMessageOperation,
- self.p.set_rcode, rcode)
-
- def test_set_opcode(self):
- self.assertRaises(TypeError, self.r.set_opcode, "wrong")
- opcode = Opcode.IQUERY()
- self.r.set_opcode(opcode)
- self.assertEqual(opcode, self.r.get_opcode())
- self.assertRaises(InvalidMessageOperation,
- self.p.set_opcode, opcode)
- def test_get_edns(self):
- self.assertEqual(None, self.p.get_edns())
- message_parse = Message(Message.PARSE)
- factoryFromFile(message_parse, "message_fromWire10.wire")
- edns = message_parse.get_edns()
- self.assertEqual(0, edns.get_version())
- self.assertEqual(4096, edns.get_udp_size())
- self.assertTrue(edns.get_dnssec_awareness())
- def test_set_edns(self):
- self.assertRaises(InvalidMessageOperation, self.p.set_edns, EDNS())
- edns = EDNS()
- edns.set_udp_size(1024)
- self.r.set_edns(edns)
- self.assertEqual(1024, self.r.get_edns().get_udp_size())
- def test_get_section(self):
- self.assertRaises(TypeError, self.r.get_section, "wrong")
- rrset = RRset(Name("example.com"), RRClass("IN"), RRType("A"), RRTTL(3600))
- rrset.add_rdata(Rdata(RRType("A"), RRClass("IN"), "192.0.2.1"))
- rrset.add_rdata(Rdata(RRType("A"), RRClass("IN"), "192.0.2.2"))
- section_rrset = [rrset]
- self.assertRaises(InvalidMessageOperation, self.p.add_rrset,
- Section.ANSWER(), rrset)
-
- self.assertFalse(compare_rrset_list(section_rrset, self.r.get_section(Section.ANSWER())))
- self.assertEqual(0, self.r.get_rr_count(Section.ANSWER()))
- self.r.add_rrset(Section.ANSWER(), rrset)
- self.assertTrue(compare_rrset_list(section_rrset, self.r.get_section(Section.ANSWER())))
- self.assertEqual(2, self.r.get_rr_count(Section.ANSWER()))
- self.assertFalse(compare_rrset_list(section_rrset, self.r.get_section(Section.AUTHORITY())))
- self.assertEqual(0, self.r.get_rr_count(Section.AUTHORITY()))
- self.r.add_rrset(Section.AUTHORITY(), rrset)
- self.assertTrue(compare_rrset_list(section_rrset, self.r.get_section(Section.AUTHORITY())))
- self.assertEqual(2, self.r.get_rr_count(Section.AUTHORITY()))
- self.assertFalse(compare_rrset_list(section_rrset, self.r.get_section(Section.ADDITIONAL())))
- self.assertEqual(0, self.r.get_rr_count(Section.ADDITIONAL()))
- self.r.add_rrset(Section.ADDITIONAL(), rrset)
- self.assertTrue(compare_rrset_list(section_rrset, self.r.get_section(Section.ADDITIONAL())))
- self.assertEqual(2, self.r.get_rr_count(Section.ADDITIONAL()))
- def test_get_rr_count(self):
- self.assertRaises(TypeError, self.r.get_rr_count, "wrong")
-
- def test_add_question(self):
- self.assertRaises(TypeError, self.r.add_question, "wrong", "wrong")
- q = Question(Name("example.com"), RRClass("IN"), RRType("A"))
- qs = [q]
- self.assertFalse(compare_rrset_list(qs, self.r.get_question()))
- self.assertEqual(0, self.r.get_rr_count(Section.QUESTION()))
- self.r.add_question(q)
- self.assertTrue(compare_rrset_list(qs, self.r.get_question()))
- self.assertEqual(1, self.r.get_rr_count(Section.QUESTION()))
- def test_add_rrset(self):
- self.assertRaises(TypeError, self.r.add_rrset, "wrong")
-
- def test_clear(self):
- self.assertEqual(None, self.r.clear(Message.PARSE))
- self.assertEqual(None, self.r.clear(Message.RENDER))
- self.assertRaises(TypeError, self.r.clear, "wrong")
- self.assertRaises(TypeError, self.r.clear, 3)
- def test_to_wire(self):
- self.assertRaises(TypeError, self.r.to_wire, 1)
- self.assertRaises(InvalidMessageOperation,
- self.p.to_wire, MessageRenderer())
- message_render = create_message()
- renderer = MessageRenderer()
- message_render.to_wire(renderer)
- self.assertEqual(b'\x105\x85\x00\x00\x01\x00\x02\x00\x00\x00\x00\x04test\x07example\x03com\x00\x00\x01\x00\x01\xc0\x0c\x00\x01\x00\x01\x00\x00\x0e\x10\x00\x04\xc0\x00\x02\x01\xc0\x0c\x00\x01\x00\x01\x00\x00\x0e\x10\x00\x04\xc0\x00\x02\x02',
- renderer.get_data())
- def test_to_text(self):
- message_render = create_message()
-
- msg_str =\
- """;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4149
- ;; flags: qr aa rd ; QUESTION: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0
- ;; QUESTION SECTION:
- ;test.example.com. IN A
- ;; ANSWER SECTION:
- test.example.com. 3600 IN A 192.0.2.1
- test.example.com. 3600 IN A 192.0.2.2
- """
- self.assertEqual(msg_str, message_render.to_text())
- self.assertEqual(msg_str, str(message_render))
- def test_from_wire(self):
- self.assertRaises(TypeError, self.r.from_wire, 1)
- self.assertRaises(InvalidMessageOperation,
- Message.from_wire, self.r, bytes())
- self.assertRaises(MessageTooShort,
- Message.from_wire, self.p, bytes())
- test_name = Name("test.example.com");
-
- message_parse = Message(0)
- factoryFromFile(message_parse, "message_fromWire1")
- self.assertEqual(0x1035, message_parse.get_qid())
- self.assertEqual(Opcode.QUERY(), message_parse.get_opcode())
- self.assertEqual(Rcode.NOERROR(), message_parse.get_rcode())
- self.assertTrue(message_parse.get_header_flag(MessageFlag.QR()))
- self.assertTrue(message_parse.get_header_flag(MessageFlag.RD()))
- self.assertTrue(message_parse.get_header_flag(MessageFlag.AA()))
-
-
- q = message_parse.get_question()[0]
- self.assertEqual(test_name, q.get_name())
- self.assertEqual(RRType("A"), q.get_type())
- self.assertEqual(RRClass("IN"), q.get_class())
- self.assertEqual(1, message_parse.get_rr_count(Section.QUESTION()))
- self.assertEqual(2, message_parse.get_rr_count(Section.ANSWER()))
- self.assertEqual(0, message_parse.get_rr_count(Section.AUTHORITY()))
- self.assertEqual(0, message_parse.get_rr_count(Section.ADDITIONAL()))
-
-
- rrset = message_parse.get_section(Section.ANSWER())[0]
- self.assertEqual(test_name, rrset.get_name())
- self.assertEqual(RRType("A"), rrset.get_type())
- self.assertEqual(RRClass("IN"), rrset.get_class())
-
- self.assertEqual(RRTTL(3600), rrset.get_ttl())
- rdata = rrset.get_rdata();
- self.assertEqual("192.0.2.1", rdata[0].to_text())
- self.assertEqual("192.0.2.2", rdata[1].to_text())
- self.assertEqual(2, len(rdata))
- def test_EDNS0ExtCode(self):
-
- message_parse = Message(Message.PARSE)
- factoryFromFile(message_parse, "message_fromWire10.wire")
- self.assertEqual(Rcode.BADVERS(), message_parse.get_rcode())
-
-
- message_parse.clear(Message.PARSE)
- factoryFromFile(message_parse, "message_fromWire11.wire")
- self.assertEqual(0xfff, message_parse.get_rcode().get_code())
-
- def test_BadEDNS0(self):
- message_parse = Message(Message.PARSE)
-
- self.assertRaises(DNSMessageFORMERR,
- factoryFromFile,
- message_parse,
- "message_fromWire4")
-
- message_parse.clear(Message.PARSE)
- self.assertRaises(DNSMessageFORMERR,
- factoryFromFile,
- message_parse,
- "message_fromWire5")
-
- message_parse.clear(Message.PARSE)
- self.assertRaises(DNSMessageFORMERR,
- factoryFromFile,
- message_parse,
- "message_fromWire6")
-
-
-
-
- message_parse.clear(Message.PARSE)
- factoryFromFile(message_parse, "message_fromWire7")
-
- message_parse.clear(Message.PARSE)
- self.assertRaises(DNSMessageBADVERS,
- factoryFromFile,
- message_parse,
- "message_fromWire9")
-
- if __name__ == '__main__':
- unittest.main()
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