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from pyasn1.type import tag, namedtype, univ
from pyasn1.codec.ber import encoder
from pyasn1.error import PyAsn1Error
try:
import unittest
except ImportError:
raise PyAsn1Error(
'PyUnit package\'s missing. See http://pyunit.sourceforge.net/'
)
class LargeTagEncoderTestCase(unittest.TestCase):
def setUp(self):
self.o = univ.Integer().subtype(
value=1, explicitTag=tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0xdeadbeafl)
)
def testEncoder(self):
assert encoder.encode(self.o) == '\177\215\365\266\375\057\003\002\001\001'
class IntegerEncoderTestCase(unittest.TestCase):
def testPosInt(self):
assert encoder.encode(univ.Integer(12)) == '\002\001\014'
def testNegInt(self):
assert encoder.encode(univ.Integer(-12)) == '\002\001\364'
def testZero(self):
assert encoder.encode(univ.Integer(0)) == '\002\001\000'
def testMinusOne(self):
assert encoder.encode(univ.Integer(-1)) == '\002\001\377'
def testPosLong(self):
assert encoder.encode(
univ.Integer(0xffffffffffffffffl)
) == '\002\011\000\377\377\377\377\377\377\377\377'
def testNegLong(self):
assert encoder.encode(
univ.Integer(-0xffffffffffffffffl)
) == '\002\011\377\000\000\000\000\000\000\000\001'
class BooleanEncoderTestCase(unittest.TestCase):
def testTrue(self):
assert encoder.encode(univ.Boolean(1)) == '\001\001\001'
def testFalse(self):
assert encoder.encode(univ.Boolean(0)) == '\001\001\000'
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) == '\003\003\001\251\212'
def testIndefMode(self):
assert encoder.encode(
self.b, defMode=0
) == '\003\003\001\251\212'
def testDefModeChunked(self):
assert encoder.encode(
self.b, maxChunkSize=1
) == '#\010\003\002\000\251\003\002\001\212'
def testIndefModeChunked(self):
assert encoder.encode(
self.b, defMode=0, maxChunkSize=1
) == '#\200\003\002\000\251\003\002\001\212\000\000'
def testEmptyValue(self):
assert encoder.encode(univ.BitString(())) == '\003\001\000'
class OctetStringEncoderTestCase(unittest.TestCase):
def setUp(self):
self.o = univ.OctetString('Quick brown fox')
def testDefMode(self):
assert encoder.encode(self.o) == '\004\017Quick brown fox'
def testIndefMode(self):
assert encoder.encode(
self.o, defMode=0
) == '\004\017Quick brown fox'
def testDefModeChunked(self):
assert encoder.encode(
self.o, maxChunkSize=4
) == '$\027\004\004Quic\004\004k br\004\004own \004\003fox'
def testIndefModeChunked(self):
assert encoder.encode(
self.o, defMode=0, maxChunkSize=4
) == '$\200\004\004Quic\004\004k br\004\004own \004\003fox\000\000'
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) == 'e\021\004\017Quick brown fox'
def testIndefMode(self):
assert encoder.encode(
self.o, defMode=0
) == 'e\200\004\017Quick brown fox\000\000'
def testDefModeChunked(self):
assert encoder.encode(
self.o, defMode=1, maxChunkSize=4
) == 'e\031$\027\004\004Quic\004\004k br\004\004own \004\003fox'
def testIndefModeChunked(self):
assert encoder.encode(
self.o, defMode=0, maxChunkSize=4
) == 'e\200$\200\004\004Quic\004\004k br\004\004own \004\003fox\000\000\000\000'
class NullEncoderTestCase(unittest.TestCase):
def testNull(self):
assert encoder.encode(univ.Null('')) == '\005\000'
class ObjectIdentifierEncoderTestCase(unittest.TestCase):
def testNull(self):
assert encoder.encode(
univ.ObjectIdentifier((1,3,6,0,0xffffe))
) == '\006\006+\006\000\277\377~'
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) == '0\002\005\000'
def testIndefMode(self):
self.__init()
assert encoder.encode(
self.s, defMode=0
) == '0\200\005\000\000\000'
def testDefModeChunked(self):
self.__init()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == '0\002\005\000'
def testIndefModeChunked(self):
self.__init()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == '0\200\005\000\000\000'
def testWithOptionalDefMode(self):
self.__initWithOptional()
assert encoder.encode(self.s) == '0\017\005\000\004\013quick brown'
def testWithOptionalIndefMode(self):
self.__initWithOptional()
assert encoder.encode(
self.s, defMode=0
) == '0\200\005\000\004\013quick brown\000\000'
def testWithOptionalDefModeChunked(self):
self.__initWithOptional()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == '0\025\005\000$\021\004\004quic\004\004k br\004\003own'
def testWithOptionalIndefModeChunked(self):
self.__initWithOptional()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == '0\200\005\000$\200\004\004quic\004\004k br\004\003own\000\000\000\000'
def testWithDefaultedDefMode(self):
self.__initWithDefaulted()
assert encoder.encode(self.s) == '0\005\005\000\002\001\001'
def testWithDefaultedIndefMode(self):
self.__initWithDefaulted()
assert encoder.encode(
self.s, defMode=0
) == '0\200\005\000\002\001\001\000\000'
def testWithDefaultedDefModeChunked(self):
self.__initWithDefaulted()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == '0\005\005\000\002\001\001'
def testWithDefaultedIndefModeChunked(self):
self.__initWithDefaulted()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == '0\200\005\000\002\001\001\000\000'
def testWithOptionalAndDefaultedDefMode(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(self.s) == '0\022\005\000\004\013quick brown\002\001\001'
def testWithOptionalAndDefaultedIndefMode(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(
self.s, defMode=0
) == '0\200\005\000\004\013quick brown\002\001\001\000\000'
def testWithOptionalAndDefaultedDefModeChunked(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(
self.s, defMode=1, maxChunkSize=4
) == '0\030\005\000$\021\004\004quic\004\004k br\004\003own\002\001\001'
def testWithOptionalAndDefaultedIndefModeChunked(self):
self.__initWithOptionalAndDefaulted()
assert encoder.encode(
self.s, defMode=0, maxChunkSize=4
) == '0\200\005\000$\200\004\004quic\004\004k br\004\003own\000\000\002\001\001\000\000'
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))
))
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) == '\005\000'
def testTagged(self):
s = self.s.subtype(
explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4)
)
s.setComponentByPosition(0, univ.Null(''))
assert encoder.encode(s) == '\244\002\005\000'
if __name__ == '__main__': unittest.main()
|
