diff options
Diffstat (limited to 'tests/codec/ber/test_decoder.py')
| -rw-r--r-- | tests/codec/ber/test_decoder.py | 187 |
1 files changed, 186 insertions, 1 deletions
diff --git a/tests/codec/ber/test_decoder.py b/tests/codec/ber/test_decoder.py index 8b6d590..089f0f3 100644 --- a/tests/codec/ber/test_decoder.py +++ b/tests/codec/ber/test_decoder.py @@ -835,7 +835,7 @@ class SequenceDecoderWithSchemaTestCase(BaseTestCase): ) == (self.s, null) -class SequenceDecoderWithUnaggedOpenTypesTestCase(BaseTestCase): +class SequenceDecoderWithUntaggedOpenTypesTestCase(BaseTestCase): def setUp(self): openType = opentype.OpenType( 'id', @@ -972,6 +972,159 @@ class SequenceDecoderWithExplicitlyTaggedOpenTypesTestCase(BaseTestCase): assert s[1] == univ.OctetString(hexValue='02010C') +class SequenceDecoderWithUnaggedSetOfOpenTypesTestCase(BaseTestCase): + def setUp(self): + openType = opentype.OpenType( + 'id', + {1: univ.Integer(), + 2: univ.OctetString()} + ) + self.s = univ.Sequence( + componentType=namedtype.NamedTypes( + namedtype.NamedType('id', univ.Integer()), + namedtype.NamedType('blob', univ.SetOf(componentType=univ.Any()), + openType=openType) + ) + ) + + def testDecodeOpenTypesChoiceOne(self): + s, r = decoder.decode( + ints2octs((48, 8, 2, 1, 1, 49, 3, 2, 1, 12)), asn1Spec=self.s, + decodeOpenTypes=True + ) + assert not r + assert s[0] == 1 + assert s[1][0] == 12 + + def testDecodeOpenTypesChoiceTwo(self): + s, r = decoder.decode( + ints2octs((48, 18, 2, 1, 2, 49, 13, 4, 11, 113, 117, 105, 99, + 107, 32, 98, 114, 111, 119, 110)), asn1Spec=self.s, + decodeOpenTypes=True + ) + assert not r + assert s[0] == 2 + assert s[1][0] == univ.OctetString('quick brown') + + def testDecodeOpenTypesUnknownType(self): + try: + s, r = decoder.decode( + ints2octs((48, 6, 2, 1, 2, 6, 1, 39)), asn1Spec=self.s, + decodeOpenTypes=True + ) + + except PyAsn1Error: + pass + + else: + assert False, 'unknown open type tolerated' + + def testDecodeOpenTypesUnknownId(self): + s, r = decoder.decode( + ints2octs((48, 8, 2, 1, 3, 49, 3, 2, 1, 12)), asn1Spec=self.s, + decodeOpenTypes=True + ) + assert not r + assert s[0] == 3 + assert s[1][0] == univ.OctetString(hexValue='02010c') + + def testDontDecodeOpenTypesChoiceOne(self): + s, r = decoder.decode( + ints2octs((48, 8, 2, 1, 1, 49, 3, 2, 1, 12)), asn1Spec=self.s + ) + assert not r + assert s[0] == 1 + assert s[1][0] == ints2octs((2, 1, 12)) + + def testDontDecodeOpenTypesChoiceTwo(self): + s, r = decoder.decode( + ints2octs((48, 18, 2, 1, 2, 49, 13, 4, 11, 113, 117, 105, 99, + 107, 32, 98, 114, 111, 119, 110)), asn1Spec=self.s + ) + assert not r + assert s[0] == 2 + assert s[1][0] == ints2octs((4, 11, 113, 117, 105, 99, 107, 32, 98, 114, + 111, 119, 110)) + + +class SequenceDecoderWithImplicitlyTaggedSetOfOpenTypesTestCase(BaseTestCase): + def setUp(self): + openType = opentype.OpenType( + 'id', + {1: univ.Integer(), + 2: univ.OctetString()} + ) + self.s = univ.Sequence( + componentType=namedtype.NamedTypes( + namedtype.NamedType('id', univ.Integer()), + namedtype.NamedType( + 'blob', univ.SetOf( + componentType=univ.Any().subtype( + implicitTag=tag.Tag( + tag.tagClassContext, tag.tagFormatSimple, 3))), + openType=openType + ) + ) + ) + + def testDecodeOpenTypesChoiceOne(self): + s, r = decoder.decode( + ints2octs((48, 10, 2, 1, 1, 49, 5, 131, 3, 2, 1, 12)), + asn1Spec=self.s, decodeOpenTypes=True + ) + assert not r + assert s[0] == 1 + assert s[1][0] == 12 + + def testDecodeOpenTypesUnknownId(self): + s, r = decoder.decode( + ints2octs((48, 10, 2, 1, 3, 49, 5, 131, 3, 2, 1, 12)), + asn1Spec=self.s, decodeOpenTypes=True + ) + assert not r + assert s[0] == 3 + assert s[1][0] == univ.OctetString(hexValue='02010C') + + +class SequenceDecoderWithExplicitlyTaggedSetOfOpenTypesTestCase(BaseTestCase): + def setUp(self): + openType = opentype.OpenType( + 'id', + {1: univ.Integer(), + 2: univ.OctetString()} + ) + self.s = univ.Sequence( + componentType=namedtype.NamedTypes( + namedtype.NamedType('id', univ.Integer()), + namedtype.NamedType( + 'blob', univ.SetOf( + componentType=univ.Any().subtype( + explicitTag=tag.Tag( + tag.tagClassContext, tag.tagFormatSimple, 3))), + openType=openType + ) + ) + ) + + def testDecodeOpenTypesChoiceOne(self): + s, r = decoder.decode( + ints2octs((48, 10, 2, 1, 1, 49, 5, 131, 3, 2, 1, 12)), + asn1Spec=self.s, decodeOpenTypes=True + ) + assert not r + assert s[0] == 1 + assert s[1][0] == 12 + + def testDecodeOpenTypesUnknownId(self): + s, r = decoder.decode( + ints2octs( (48, 10, 2, 1, 3, 49, 5, 131, 3, 2, 1, 12)), + asn1Spec=self.s, decodeOpenTypes=True + ) + assert not r + assert s[0] == 3 + assert s[1][0] == univ.OctetString(hexValue='02010C') + + class SetDecoderTestCase(BaseTestCase): def setUp(self): BaseTestCase.setUp(self) @@ -1429,6 +1582,38 @@ class NonStringDecoderTestCase(BaseTestCase): assert self.s == s +class ErrorOnDecodingTestCase(BaseTestCase): + + def testErrorCondition(self): + decode = decoder.Decoder(decoder.tagMap, decoder.typeMap) + + try: + asn1Object, rest = decode(str2octs('abc')) + + except PyAsn1Error: + exc = sys.exc_info()[1] + assert isinstance(exc, PyAsn1Error), ( + 'Unexpected exception raised %r' % (exc,)) + + else: + assert False, 'Unexpected decoder result %r' % (asn1Object,) + + def testRawDump(self): + decode = decoder.Decoder(decoder.tagMap, decoder.typeMap) + + decode.defaultErrorState = decoder.stDumpRawValue + + asn1Object, rest = decode(ints2octs( + (31, 8, 2, 1, 1, 131, 3, 2, 1, 12))) + + assert isinstance(asn1Object, univ.Any), ( + 'Unexpected raw dump type %r' % (asn1Object,)) + assert asn1Object.asNumbers() == (31, 8, 2, 1, 1), ( + 'Unexpected raw dump value %r' % (asn1Object,)) + assert rest == ints2octs((131, 3, 2, 1, 12)), ( + 'Unexpected rest of substrate after raw dump %r' % rest) + + suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__]) if __name__ == '__main__': |