+
+
+class TestOIDDefines(TestCase):
+ @given(data_strategy())
+ def runTest(self, d):
+ value_names = list(d.draw(sets(text_letters(), min_size=1, max_size=10)))
+ value_name_chosen = d.draw(sampled_from(value_names))
+ oids = [
+ ObjectIdentifier(oid)
+ for oid in d.draw(sets(oid_strategy(), min_size=2, max_size=10))
+ ]
+ oid_chosen = d.draw(sampled_from(oids))
+ values = d.draw(lists(
+ integers(),
+ min_size=len(value_names),
+ max_size=len(value_names),
+ ))
+ for definable_class in (Any, OctetString, BitString):
+ _schema = [
+ ("type", ObjectIdentifier(defines=(((value_name_chosen,), {
+ oid: Integer() for oid in oids[:-1]
+ }),))),
+ ]
+ for i, value_name in enumerate(value_names):
+ _schema.append((value_name, definable_class(expl=tag_ctxp(i))))
+
+ class Seq(Sequence):
+ schema = _schema
+ seq = Seq()
+ for value_name, value in zip(value_names, values):
+ seq[value_name] = definable_class(Integer(value).encode())
+ seq["type"] = oid_chosen
+ seq, _ = Seq().decode(seq.encode())
+ for value_name in value_names:
+ if value_name == value_name_chosen:
+ continue
+ self.assertIsNone(seq[value_name].defined)
+ if value_name_chosen in oids[:-1]:
+ self.assertIsNotNone(seq[value_name_chosen].defined)
+ self.assertEqual(seq[value_name_chosen].defined[0], oid_chosen)
+ self.assertIsInstance(seq[value_name_chosen].defined[1], Integer)
+ repr(seq)
+ list(seq.pps())
+ pprint(seq, big_blobs=True, with_decode_path=True)
+
+
+class TestDefinesByPath(TestCase):
+ def test_generated(self):
+ class Seq(Sequence):
+ schema = (
+ ("type", ObjectIdentifier()),
+ ("value", OctetString(expl=tag_ctxc(123))),
+ )
+
+ class SeqInner(Sequence):
+ schema = (
+ ("typeInner", ObjectIdentifier()),
+ ("valueInner", Any()),
+ )
+
+ class PairValue(SetOf):
+ schema = Any()
+
+ class Pair(Sequence):
+ schema = (
+ ("type", ObjectIdentifier()),
+ ("value", PairValue()),
+ )
+
+ class Pairs(SequenceOf):
+ schema = Pair()
+
+ (
+ type_integered,
+ type_sequenced,
+ type_innered,
+ type_octet_stringed,
+ ) = [
+ ObjectIdentifier(oid)
+ for oid in sets(oid_strategy(), min_size=4, max_size=4).example()
+ ]
+ seq_integered = Seq()
+ seq_integered["type"] = type_integered
+ seq_integered["value"] = OctetString(Integer(123).encode())
+ seq_integered_raw = seq_integered.encode()
+
+ pairs = Pairs()
+ pairs_input = (
+ (type_octet_stringed, OctetString(b"whatever")),
+ (type_integered, Integer(123)),
+ (type_octet_stringed, OctetString(b"whenever")),
+ (type_integered, Integer(234)),
+ )
+ for t, v in pairs_input:
+ pairs.append(Pair((
+ ("type", t),
+ ("value", PairValue((Any(v),))),
+ )))
+ seq_inner = SeqInner()
+ seq_inner["typeInner"] = type_innered
+ seq_inner["valueInner"] = Any(pairs)
+ seq_sequenced = Seq()
+ seq_sequenced["type"] = type_sequenced
+ seq_sequenced["value"] = OctetString(seq_inner.encode())
+ seq_sequenced_raw = seq_sequenced.encode()
+ repr(seq_sequenced)
+ list(seq_sequenced.pps())
+ pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
+
+ defines_by_path = []
+ ctx_copied = deepcopy(ctx_dummy)
+ seq_integered, _ = Seq().decode(
+ seq_integered_raw,
+ ctx=ctx_copied,
+ )
+ self.assertDictEqual(ctx_copied, ctx_dummy)
+ self.assertIsNone(seq_integered["value"].defined)
+ defines_by_path.append(
+ (("type",), ((("value",), {
+ type_integered: Integer(),
+ type_sequenced: SeqInner(),
+ }),))
+ )
+ ctx_copied["defines_by_path"] = defines_by_path
+ seq_integered, _ = Seq().decode(
+ seq_integered_raw,
+ ctx=ctx_copied,
+ )
+ del ctx_copied["defines_by_path"]
+ self.assertDictEqual(ctx_copied, ctx_dummy)
+ self.assertIsNotNone(seq_integered["value"].defined)
+ self.assertEqual(seq_integered["value"].defined[0], type_integered)
+ self.assertEqual(seq_integered["value"].defined[1], Integer(123))
+ self.assertTrue(seq_integered_raw[
+ seq_integered["value"].defined[1].offset:
+ ].startswith(Integer(123).encode()))
+ repr(seq_integered)
+ list(seq_integered.pps())
+ pprint(seq_integered, big_blobs=True, with_decode_path=True)
+
+ ctx_copied["defines_by_path"] = defines_by_path
+ seq_sequenced, _ = Seq().decode(
+ seq_sequenced_raw,
+ ctx=ctx_copied,
+ )
+ del ctx_copied["defines_by_path"]
+ self.assertDictEqual(ctx_copied, ctx_dummy)
+ self.assertIsNotNone(seq_sequenced["value"].defined)
+ self.assertEqual(seq_sequenced["value"].defined[0], type_sequenced)
+ seq_inner = seq_sequenced["value"].defined[1]
+ self.assertIsNone(seq_inner["valueInner"].defined)
+ repr(seq_sequenced)
+ list(seq_sequenced.pps())
+ pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
+
+ defines_by_path.append((
+ ("value", DecodePathDefBy(type_sequenced), "typeInner"),
+ ((("valueInner",), {type_innered: Pairs()}),),
+ ))
+ ctx_copied["defines_by_path"] = defines_by_path
+ seq_sequenced, _ = Seq().decode(
+ seq_sequenced_raw,
+ ctx=ctx_copied,
+ )
+ del ctx_copied["defines_by_path"]
+ self.assertDictEqual(ctx_copied, ctx_dummy)
+ self.assertIsNotNone(seq_sequenced["value"].defined)
+ self.assertEqual(seq_sequenced["value"].defined[0], type_sequenced)
+ seq_inner = seq_sequenced["value"].defined[1]
+ self.assertIsNotNone(seq_inner["valueInner"].defined)
+ self.assertEqual(seq_inner["valueInner"].defined[0], type_innered)
+ pairs = seq_inner["valueInner"].defined[1]
+ for pair in pairs:
+ self.assertIsNone(pair["value"][0].defined)
+ repr(seq_sequenced)
+ list(seq_sequenced.pps())
+ pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
+
+ defines_by_path.append((
+ (
+ "value",
+ DecodePathDefBy(type_sequenced),
+ "valueInner",
+ DecodePathDefBy(type_innered),
+ any,
+ "type",
+ ),
+ ((("value",), {
+ type_integered: Integer(),
+ type_octet_stringed: OctetString(),
+ }),),
+ ))
+ ctx_copied["defines_by_path"] = defines_by_path
+ seq_sequenced, _ = Seq().decode(
+ seq_sequenced_raw,
+ ctx=ctx_copied,
+ )
+ del ctx_copied["defines_by_path"]
+ self.assertDictEqual(ctx_copied, ctx_dummy)
+ self.assertIsNotNone(seq_sequenced["value"].defined)
+ self.assertEqual(seq_sequenced["value"].defined[0], type_sequenced)
+ seq_inner = seq_sequenced["value"].defined[1]
+ self.assertIsNotNone(seq_inner["valueInner"].defined)
+ self.assertEqual(seq_inner["valueInner"].defined[0], type_innered)
+ pairs_got = seq_inner["valueInner"].defined[1]
+ for pair_input, pair_got in zip(pairs_input, pairs_got):
+ self.assertEqual(pair_got["value"][0].defined[0], pair_input[0])
+ self.assertEqual(pair_got["value"][0].defined[1], pair_input[1])
+ repr(seq_sequenced)
+ list(seq_sequenced.pps())
+ pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
+
+ @given(oid_strategy(), integers())
+ def test_simple(self, oid, tgt):
+ class Inner(Sequence):
+ schema = (
+ ("oid", ObjectIdentifier(defines=((("..", "tgt"), {
+ ObjectIdentifier(oid): Integer(),
+ }),))),
+ )
+
+ class Outer(Sequence):
+ schema = (
+ ("inner", Inner()),
+ ("tgt", OctetString()),
+ )
+
+ inner = Inner()
+ inner["oid"] = ObjectIdentifier(oid)
+ outer = Outer()
+ outer["inner"] = inner
+ outer["tgt"] = OctetString(Integer(tgt).encode())
+ decoded, _ = Outer().decode(outer.encode())
+ self.assertEqual(decoded["tgt"].defined[1], Integer(tgt))
+
+ def test_remaining_data(self):
+ oid = ObjectIdentifier("1.2.3")
+
+ class Seq(Sequence):
+ schema = (
+ ("oid", ObjectIdentifier(defines=((("tgt",), {
+ oid: Integer(),
+ }),))),
+ ("tgt", OctetString()),
+ )
+
+ seq = Seq((
+ ("oid", oid),
+ ("tgt", OctetString(Integer(123).encode() + b"junk")),
+ ))
+ with self.assertRaisesRegex(DecodeError, "remaining data"):
+ Seq().decode(seq.encode())
+
+ def test_remaining_data_seqof(self):
+ oid = ObjectIdentifier("1.2.3")
+
+ class SeqOf(SetOf):
+ schema = OctetString()
+
+ class Seq(Sequence):
+ schema = (
+ ("oid", ObjectIdentifier(defines=((("tgt",), {
+ oid: Integer(),
+ }),))),
+ ("tgt", SeqOf()),
+ )
+
+ seq = Seq((
+ ("oid", oid),
+ ("tgt", SeqOf([OctetString(Integer(123).encode() + b"junk")])),
+ ))
+ with self.assertRaisesRegex(DecodeError, "remaining data"):
+ Seq().decode(seq.encode())
+
+
+class TestAbsDecodePath(TestCase):
+ @given(
+ lists(text(alphabet=ascii_letters, min_size=1)).map(tuple),
+ lists(text(alphabet=ascii_letters, min_size=1), min_size=1).map(tuple),
+ )
+ def test_concat(self, decode_path, rel_path):
+ dp = abs_decode_path(decode_path, rel_path)
+ self.assertSequenceEqual(dp, decode_path + rel_path)
+ repr(dp)
+
+ @given(
+ lists(text(alphabet=ascii_letters, min_size=1)).map(tuple),
+ lists(text(alphabet=ascii_letters, min_size=1), min_size=1).map(tuple),
+ )
+ def test_abs(self, decode_path, rel_path):
+ self.assertSequenceEqual(
+ abs_decode_path(decode_path, ("/",) + rel_path),
+ rel_path,
+ )
+
+ @given(
+ lists(text(alphabet=ascii_letters, min_size=1), min_size=5).map(tuple),
+ integers(min_value=1, max_value=3),
+ lists(text(alphabet=ascii_letters, min_size=1), min_size=1).map(tuple),
+ )
+ def test_dots(self, decode_path, number_of_dots, rel_path):
+ self.assertSequenceEqual(
+ abs_decode_path(decode_path, tuple([".."] * number_of_dots) + rel_path),
+ decode_path[:-number_of_dots] + rel_path,
+ )
+
+
+class TestStrictDefaultExistence(TestCase):
+ @given(data_strategy())
+ def runTest(self, d):
+ count = d.draw(integers(min_value=1, max_value=10))
+ chosen = d.draw(integers(min_value=0, max_value=count - 1))
+ _schema = [
+ ("int%d" % i, Integer(expl=tag_ctxc(i + 1)))
+ for i in range(count)
+ ]
+ for klass in (Sequence, Set):
+ class Seq(klass):
+ schema = _schema
+ seq = Seq()
+ for i in range(count):
+ seq["int%d" % i] = Integer(123)
+ raw = seq.encode()
+ chosen_choice = "int%d" % chosen
+ seq.specs[chosen_choice] = seq.specs[chosen_choice](default=123)
+ with self.assertRaisesRegex(DecodeError, "DEFAULT value met"):
+ seq.decode(raw)
+ decoded, _ = seq.decode(raw, ctx={"allow_default_values": True})
+ self.assertTrue(decoded.ber_encoded)
+ self.assertTrue(decoded.bered)
+ decoded = copy(decoded)
+ self.assertTrue(decoded.ber_encoded)
+ self.assertTrue(decoded.bered)
+ decoded, _ = seq.decode(raw, ctx={"bered": True})
+ self.assertTrue(decoded.ber_encoded)
+ self.assertTrue(decoded.bered)
+ decoded = copy(decoded)
+ self.assertTrue(decoded.ber_encoded)
+ self.assertTrue(decoded.bered)
+
+
+class TestX690PrefixedType(TestCase):
+ def test_1(self):
+ self.assertSequenceEqual(
+ VisibleString("Jones").encode(),
+ hexdec("1A054A6F6E6573"),
+ )
+
+ def test_2(self):
+ self.assertSequenceEqual(
+ VisibleString(
+ "Jones",
+ impl=tag_encode(3, klass=TagClassApplication),
+ ).encode(),
+ hexdec("43054A6F6E6573"),
+ )
+
+ def test_3(self):
+ self.assertSequenceEqual(
+ Any(
+ VisibleString(
+ "Jones",
+ impl=tag_encode(3, klass=TagClassApplication),
+ ),
+ expl=tag_ctxc(2),
+ ).encode(),
+ hexdec("A20743054A6F6E6573"),
+ )
+
+ def test_4(self):
+ self.assertSequenceEqual(
+ OctetString(
+ VisibleString(
+ "Jones",
+ impl=tag_encode(3, klass=TagClassApplication),
+ ).encode(),
+ impl=tag_encode(7, form=TagFormConstructed, klass=TagClassApplication),
+ ).encode(),
+ hexdec("670743054A6F6E6573"),
+ )
+
+ def test_5(self):
+ self.assertSequenceEqual(
+ VisibleString("Jones", impl=tag_ctxp(2)).encode(),
+ hexdec("82054A6F6E6573"),
+ )
+
+
+class TestExplOOB(TestCase):
+ def runTest(self):
+ expl = tag_ctxc(123)
+ raw = Integer(123).encode() + Integer(234).encode()
+ raw = b"".join((expl, len_encode(len(raw)), raw))
+ with self.assertRaisesRegex(DecodeError, "explicit tag out-of-bound"):
+ Integer(expl=expl).decode(raw)
+ Integer(expl=expl).decode(raw, ctx={"allow_expl_oob": True})
+
+
+class TestPickleDifferentVersion(TestCase):
+ def runTest(self):
+ pickled = pickle_dumps(Integer(123), pickle_proto)
+ import pyderasn
+ version_orig = pyderasn.__version__
+ pyderasn.__version__ += "different"
+ with self.assertRaisesRegex(ValueError, "different PyDERASN version"):
+ pickle_loads(pickled)
+ pyderasn.__version__ = version_orig
+ pickle_loads(pickled)
+
+
+class TestCERSetOrdering(TestCase):
+ def test_vectors(self):
+ """Taken from X.690-201508
+ """
+ class B(Choice):
+ schema = (
+ ("c", Integer(impl=tag_ctxp(2))),
+ ("d", Integer(impl=tag_ctxp(4))),
+ )
+
+ class F(Choice):
+ schema = (
+ ("g", Integer(impl=tag_ctxp(5))),
+ ("h", Integer(impl=tag_ctxp(6))),
+ )
+
+ class I(Choice):
+ schema = (
+ ("j", Integer(impl=tag_ctxp(0))),
+ )
+
+ class E(Choice):
+ schema = (
+ ("f", F()),
+ ("i", I()),
+ )
+
+ class A(Set):
+ schema = (
+ ("a", Integer(impl=tag_ctxp(3))),
+ ("b", B(expl=tag_ctxc(1))),
+ ("e", E()),
+ )
+
+ a = A((
+ ("a", Integer(123)),
+ ("b", B(("d", Integer(234)))),
+ ("e", E(("f", F(("g", Integer(345)))))),
+ ))
+ order = sorted(a._values_for_encoding(), key=attrgetter("tag_order_cer"))
+ self.assertSequenceEqual(
+ [i.__class__.__name__ for i in order],
+ ("E", "B", "Integer"),
+ )