1 files changed, 112 insertions, 0 deletions
diff --git a/tests/test_rfc5917.py b/tests/test_rfc5917.py
new file mode 100644
index 0000000..459895d
--- /dev/null
+++ b/tests/test_rfc5917.py
@@ -0,0 +1,112 @@
+#
+# 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 rfc5280
+from pyasn1_modules import rfc5917
+
+try:
+    import unittest2 as unittest
+except ImportError:
+    import unittest
+
+
+class ClearanceSponsorTestCase(unittest.TestCase):
+    cert_pem_text = """\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+"""
+
+    def setUp(self):
+        self.asn1Spec = rfc5280.Certificate()
+
+    def testDerCodec(self):
+        substrate = pem.readBase64fromText(self.cert_pem_text)
+        asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
+        assert not rest
+        assert asn1Object.prettyPrint()
+        assert der_encode(asn1Object) == substrate
+
+        cs = rfc5917.DirectoryString()
+        cs['utf8String'] = u'Human Resources Department'
+        encoded_cs = der_encode(cs)
+
+        clearance_sponsor_found = False
+        for extn in asn1Object['tbsCertificate']['extensions']:
+            if extn['extnID'] == rfc5280.id_ce_subjectDirectoryAttributes:
+                assert extn['extnID'] in rfc5280.certificateExtensionsMap.keys()
+                ev, rest = der_decode(extn['extnValue'],
+                    asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']])
+                assert not rest
+                assert ev.prettyPrint()
+                assert der_encode(ev) == extn['extnValue']
+
+                for attr in ev:
+                    if attr['type'] == rfc5917.id_clearanceSponsor:
+                        assert attr['values'][0] == encoded_cs
+                        clearance_sponsor_found = True
+
+        assert clearance_sponsor_found
+
+    def testOpenTypes(self):
+        substrate = pem.readBase64fromText(self.cert_pem_text)
+        asn1Object, rest = der_decode(substrate,
+            asn1Spec=self.asn1Spec,
+            decodeOpenTypes=True)
+        assert not rest
+        assert asn1Object.prettyPrint()
+        assert der_encode(asn1Object) == substrate
+
+        clearance_sponsor_found = False
+        for extn in asn1Object['tbsCertificate']['extensions']:
+            if extn['extnID'] == rfc5280.id_ce_subjectDirectoryAttributes:
+                assert extn['extnID'] in rfc5280.certificateExtensionsMap.keys()
+                ev, rest = der_decode(extn['extnValue'],
+                    asn1Spec=rfc5280.certificateExtensionsMap[extn['extnID']],
+                    decodeOpenTypes=True)
+                assert not rest
+                assert ev.prettyPrint()
+                assert der_encode(ev) == extn['extnValue']
+
+                for attr in ev:
+                    if attr['type'] == rfc5917.id_clearanceSponsor:
+                        hrd = u'Human Resources Department'
+                        assert attr['values'][0]['utf8String'] == hrd
+                        clearance_sponsor_found = True
+
+        assert clearance_sponsor_found
+
+
+suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
+
+if __name__ == '__main__':
+    unittest.TextTestRunner(verbosity=2).run(suite)