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from pyasn1.type import tag, namedtype, univ
from pyasn1.codec.ber import encoder
from pyasn1.compat.octets import ints2octs
from pyasn1.error import PyAsn1Error
from sys import version_info
if version_info[0:2] < (2, 7) or \
version_info[0:2] in ( (3, 0), (3, 1) ):
try:
import unittest2 as unittest
except ImportError:
import unittest
else:
import unittest
class LargeTagEncoderTestCase(unittest.TestCase):
def setUp(self):
self.o = univ.Integer().subtype(
value=1, explicitTag=tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0xdeadbeaf)
)
def testEncoder(self):
assert encoder.encode(self.o) == ints2octs((127, 141, 245, 182, 253, 47, 3, 2, 1, 1))
class IntegerEncoderTestCase(unittest.TestCase):
def testPosInt(self):
assert encoder.encode(univ.Integer(12)) == ints2octs((2, 1, 12))
def testNegInt(self):
assert encoder.encode(univ.Integer(-12)) == ints2octs((2, 1, 244))
def testZero(self):
assert encoder.encode(univ.Integer(0)) == ints2octs((2, 1, 0))
def testCompactZero(self):
encoder.IntegerEncoder.supportCompactZero = True
substrate = encoder.encode(univ.Integer(0))
encoder.IntegerEncoder.supportCompactZero = False
assert substrate == ints2octs((2, 0))
def testMinusOne(self):
assert encoder.encode(univ.Integer(-1)) == ints2octs((2, 1, 255))
def testPosLong(self):
assert encoder.encode(
univ.Integer(0xffffffffffffffff)
) == ints2octs((2, 9, 0, 255, 255, 255, 255, 255, 255, 255, 255))
def testNegLong(self):
assert encoder.encode(
univ.Integer(-0xffffffffffffffff)
) == ints2octs((2, 9, 255, 0, 0, 0, 0, 0, 0, 0, 1))
class BooleanEncoderTestCase(unittest.TestCase):
def testTrue(self):
assert encoder.encode(univ.Boolean(1)) == ints2octs((1, 1, 1))
def testFalse(self):
assert encoder.encode(univ.Boolean(0)) == ints2octs((1, 1, 0))
class BitStringEncoderTestCase(unittest.TestCase):
def setUp(self):
self.b = univ.BitString((1,0,1,0,1,0,0,1,1,0,0,0,1,0,1))
def testDefMode(self):
assert encoder.encode(self.b) == ints2octs((3, 3, 1, 169, 138))
def testIndefMode(self):
assert encoder.encode(
self.b, defMode=0
) == ints2octs((3, 3, 1, 169, 138))
def testDefModeChunked(self):
assert encoder.encode(
self.b, maxChunkSize=1
) == ints2octs((35, 8, 3, 2, 0, 169, 3, 2, 1, 138))
def testIndefModeChunked(self):
assert encoder.encode(
self.b, defMode=0, maxChunkSize=1
) == ints2octs((35, 128, 3, 2, 0, 169, 3, 2, 1, 138, 0, 0))
def testEmptyValue(self):
assert encoder.encode(univ.BitString(())) == ints2octs((3, 1, 0))
class OctetStringEncoderTestCase(unittest.TestCase):
def setUp(self):
self.o = univ.OctetString('Quick brown fox')
def testDefMode(self):
assert encoder.encode(self.o) == ints2octs((4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
def testIndefMode(self):
assert encoder.encode(
self.o, defMode=0
) == ints2octs((4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
def testDefModeChunked(self):
assert encoder.encode(
self.o, maxChunkSize=4
) == ints2octs((36, 23, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120))
def testIndefModeChunked(self):
assert encoder.encode(
self.o, defMode=0, maxChunkSize=4
) == ints2octs((36, 128, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120, 0, 0))
class ExpTaggedOctetStringEncoderTestCase(unittest.TestCase):
def setUp(self):
self.o = univ.OctetString().subtype(
value='Quick brown fox',
explicitTag=tag.Tag(tag.tagClassApplication,tag.tagFormatSimple,5)
)
def testDefMode(self):
assert encoder.encode(self.o) == ints2octs((101, 17, 4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
def testIndefMode(self):
assert encoder.encode(
self.o, defMode=0
) == ints2octs((101, 128, 4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 0, 0))
def testDefModeChunked(self):
assert encoder.encode(
self.o, defMode=1, maxChunkSize=4
) == ints2octs((101, 25, 36, 23, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120))
def testIndefModeChunked(self):
assert encoder.encode(
self.o, defMode=0, maxChunkSize=4
) == ints2octs((101, 128, 36, 128, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120, 0, 0, 0, 0))
class NullEncoderTestCase(unittest.TestCase):
def testNull(self):
assert encoder.encode(univ.Null('')) == ints2octs((5, 0))
class ObjectIdentifierEncoderTestCase(unittest.TestCase):
def testNull(self):
assert encoder.encode(
univ.ObjectIdentifier((1,3,6,0,0xffffe))
) == ints2octs((6, 6, 43, 6, 0, 191, 255, 126))
class RealEncoderTestCase(unittest.TestCase):
def testChar(self):
assert encoder.encode(
univ.Real((123, 10, 11))
) == ints2octs((9, 7, 3, 49, 50, 51, 69, 49, 49))
def testBin1(self):
assert encoder.encode(
univ.Real((1101, 2, 11))
) == ints2octs((9, 4, 128, 11, 4, 77))
def testBin2(self):
assert encoder.encode(
univ.Real((1101, 2, -11))
) == ints2octs((9, 4, 128, 245, 4, 77))
def testPlusInf(self):
assert encoder.encode(univ.Real('inf')) == ints2octs((9, 1, 64))
def testMinusInf(self):
assert encoder.encode(univ.Real('-inf')) == ints2octs((9, 1, 65))
def testZero(self):
assert encoder.encode(univ.Real(0)) == ints2octs((9, 0))
class SequenceEncoderTestCase(unittest.TestCase):
def setUp(self):
self.s = univ.Sequence(componentType=namedtype.NamedTypes(
namedtype.NamedType('place-holder', univ.Null('')),
namedtype.OptionalNamedType('first-name', univ.OctetString('')),
namedtype.DefaultedNamedType('age', univ.Integer(33)),
))
def __init(self):
self.s.clear()
self.s.setComponentByPosition(0)
def __initWithOptional(self):
self.s.clear()
self.s.setComponentByPosition(0)
self.s.setComponentByPosition(1, 'quick brown')
def __initWithDefaulted(self):
self.s.clear()
self.s.setComponentByPosition(0)
self.s.setComponentByPosition(2, 1)
def __initWithOptionalAndDefaulted(self):
self.s.clear()
self.s.setComponentByPosition(0, univ.Null(''))
self.s.setComponentByPosition(1, univ.OctetString('quick brown'))
self.s.setComponentByPosition(2, univ.Integer(1))
def testDefMode(self):
self.__init()
assert encoder.encode(self.s) == ints2octs((48, 2, 5, 0))
def testIndefMode(self):
self.__init()
assert encoder.encode(
self.s, defMode=0
) == ints2octs((48, 128, 5, 0, 0, 0))
def testDefModeChunked(self):
self.__init()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == ints2octs((48, 2, 5, 0))
def testIndefModeChunked(self):
self.__init()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == ints2octs((48, 128, 5, 0, 0, 0))
def testWithOptionalDefMode(self):
self.__initWithOptional()
assert encoder.encode(self.s) == ints2octs((48, 15, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110))
def testWithOptionalIndefMode(self):
self.__initWithOptional()
assert encoder.encode(
self.s, defMode=0
) == ints2octs((48, 128, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 0, 0))
def testWithOptionalDefModeChunked(self):
self.__initWithOptional()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == ints2octs((48, 21, 5, 0, 36, 17, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110))
def testWithOptionalIndefModeChunked(self):
self.__initWithOptional()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == ints2octs((48, 128, 5, 0, 36, 128, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110, 0, 0, 0, 0))
def testWithDefaultedDefMode(self):
self.__initWithDefaulted()
assert encoder.encode(self.s) == ints2octs((48, 5, 5, 0, 2, 1, 1))
def testWithDefaultedIndefMode(self):
self.__initWithDefaulted()
assert encoder.encode(
self.s, defMode=0
) == ints2octs((48, 128, 5, 0, 2, 1, 1, 0, 0))
def testWithDefaultedDefModeChunked(self):
self.__initWithDefaulted()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == ints2octs((48, 5, 5, 0, 2, 1, 1))
def testWithDefaultedIndefModeChunked(self):
self.__initWithDefaulted()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == ints2octs((48, 128, 5, 0, 2, 1, 1, 0, 0))
def testWithOptionalAndDefaultedDefMode(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(self.s) == ints2octs((48, 18, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 2, 1, 1))
def testWithOptionalAndDefaultedIndefMode(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(
self.s, defMode=0
) == ints2octs((48, 128, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 2, 1, 1, 0, 0))
def testWithOptionalAndDefaultedDefModeChunked(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == ints2octs((48, 24, 5, 0, 36, 17, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110, 2, 1, 1))
def testWithOptionalAndDefaultedIndefModeChunked(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == ints2octs((48, 128, 5, 0, 36, 128, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110, 0, 0, 2, 1, 1, 0, 0))
class ChoiceEncoderTestCase(unittest.TestCase):
def setUp(self):
self.s = univ.Choice(componentType=namedtype.NamedTypes(
namedtype.NamedType('place-holder', univ.Null('')),
namedtype.NamedType('number', univ.Integer(0)),
namedtype.NamedType('string', univ.OctetString())
))
def testEmpty(self):
try:
encoder.encode(self.s)
except PyAsn1Error:
pass
else:
assert 0, 'encoded unset choice'
def testFilled(self):
self.s.setComponentByPosition(0, univ.Null(''))
assert encoder.encode(self.s) == ints2octs((5, 0))
def testTagged(self):
s = self.s.subtype(
explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,4)
)
s.setComponentByPosition(0, univ.Null(''))
assert encoder.encode(s) == ints2octs((164, 2, 5, 0))
def testUndefLength(self):
self.s.setComponentByPosition(2, univ.OctetString('abcdefgh'))
assert encoder.encode(self.s, defMode=False, maxChunkSize=3) == ints2octs((36, 128, 4, 3, 97, 98, 99, 4, 3, 100, 101, 102, 4, 2, 103, 104, 0, 0))
def testTaggedUndefLength(self):
s = self.s.subtype(
explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,4)
)
s.setComponentByPosition(2, univ.OctetString('abcdefgh'))
assert encoder.encode(s, defMode=False, maxChunkSize=3) == ints2octs((164, 128, 36, 128, 4, 3, 97, 98, 99, 4, 3, 100, 101, 102, 4, 2, 103, 104, 0, 0, 0, 0))
class AnyEncoderTestCase(unittest.TestCase):
def setUp(self):
self.s = univ.Any(encoder.encode(univ.OctetString('fox')))
def testUntagged(self):
assert encoder.encode(self.s) == ints2octs((4, 3, 102, 111, 120))
def testTaggedEx(self):
s = self.s.subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4)
)
assert encoder.encode(s) == ints2octs((164, 5, 4, 3, 102, 111, 120))
def testTaggedIm(self):
s = self.s.subtype(
implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4)
)
assert encoder.encode(s) == ints2octs((132, 5, 4, 3, 102, 111, 120))
if __name__ == '__main__': unittest.main()
|
