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#
# This file is part of pyasn1-modules software.
#
# Created by Russ Housley
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#

import sys

from pyasn1.codec.der.decoder import decode as der_decode
from pyasn1.codec.der.encoder import encode as der_encode

from pyasn1_modules import pem
from pyasn1_modules import rfc6402
from pyasn1_modules import rfc7894

try:
    import unittest2 as unittest
except ImportError:
    import unittest


class AlternativeChallengePasswordTestCase(unittest.TestCase):
    otp_pem_text = """\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"""

    def setUp(self):
        self.asn1Spec = rfc6402.CertificationRequest()

    def testDerCodec(self):
        substrate = pem.readBase64fromText(self.otp_pem_text)
        asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
        assert not rest
        assert asn1Object.prettyPrint()
        assert der_encode(asn1Object) == substrate

        assert asn1Object['certificationRequestInfo']['version'] == 0

        for attr in asn1Object['certificationRequestInfo']['attributes']:
            assert attr['attrType'] in rfc6402.cmcControlAttributesMap.keys()
            av, rest = der_decode(attr['attrValues'][0],
                rfc6402.cmcControlAttributesMap[attr['attrType']])
            assert not rest
            assert der_encode(av) == attr['attrValues'][0]

            if attr['attrType'] == rfc7894.id_aa_otpChallenge:
                assert av['printableString'] == '90503846'

    def testOpenTypes(self):
        substrate = pem.readBase64fromText(self.otp_pem_text)
        asn1Object, rest = der_decode(substrate,
            asn1Spec=self.asn1Spec,
            decodeOpenTypes=True)
        assert not rest
        assert asn1Object.prettyPrint()
        assert der_encode(asn1Object) == substrate

        for attr in asn1Object['certificationRequestInfo']['attributes']:
            assert attr['attrType'] in rfc6402.cmcControlAttributesMap.keys()
            if attr['attrType'] == rfc7894.id_aa_otpChallenge:
                assert attr['attrValues'][0]['printableString'] == '90503846'


suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])

if __name__ == '__main__':
    import sys

    result = unittest.TextTestRunner(verbosity=2).run(suite)
    sys.exit(not result.wasSuccessful())