Added mnemonic to seed tests

[electrum-nvc.git] / lib / tests / test_bitcoin.py

diff --git a/lib/tests/test_bitcoin.py b/lib/tests/test_bitcoin.py
index d4f8261..5e4cf41 100644 (file)
--- a/lib/tests/test_bitcoin.py
+++ b/lib/tests/test_bitcoin.py
@@ -6,7 +6,7 @@ from lib.bitcoin import (
     generator_secp256k1, point_to_ser, public_key_to_bc_address, EC_KEY,
     bip32_root, bip32_public_derivation, bip32_private_derivation, pw_encode,
     pw_decode, Hash, public_key_from_private_key, address_from_private_key,
-    is_valid, is_private_key)
+    is_valid, is_private_key, mnemonic_to_seed)
 
 try:
     import ecdsa
@@ -17,9 +17,9 @@ class Test_bitcoin(unittest.TestCase):
 
     def test_crypto(self):
         for message in ["Chancellor on brink of second bailout for banks", chr(255)*512]:
-            self.do_test_crypto(message)
+            self._do_test_crypto(message)
 
-    def do_test_crypto(self, message):
+    def _do_test_crypto(self, message):
         G = generator_secp256k1
         _r  = G.order()
         pvk = ecdsa.util.randrange( pow(2,256) ) %_r
@@ -81,6 +81,26 @@ class Test_bitcoin(unittest.TestCase):
         dec = pw_decode(enc, password)
         self.assertEqual(dec, payload)
 
+    def test_aes_encode_without_password(self):
+        """When not passed a password, pw_encode is noop on the payload."""
+        payload = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
+        enc = pw_encode(payload, None)
+        self.assertEqual(payload, enc)
+
+    def test_aes_deencode_without_password(self):
+        """When not passed a password, pw_decode is noop on the payload."""
+        payload = u'\u66f4\u7a33\u5b9a\u7684\u4ea4\u6613\u5e73\u53f0'
+        enc = pw_decode(payload, None)
+        self.assertEqual(payload, enc)
+
+    def test_aes_decode_with_invalid_password(self):
+        """pw_decode raises an Exception when supplied an invalid password."""
+        payload = u"blah"
+        password = u"uber secret"
+        wrong_password = u"not the password"
+        enc = pw_encode(payload, password)
+        self.assertRaises(Exception, pw_decode, enc, wrong_password)
+
     def test_hash(self):
         """Make sure the Hash function does sha256 twice"""
         payload = u"test"
@@ -113,3 +133,20 @@ class Test_keyImport(unittest.TestCase):
     def test_is_private_key(self):
         self.assertTrue(is_private_key(self.private_key))
         self.assertFalse(is_private_key(self.public_key_hex))
+
+
+class Test_mnemonic(unittest.TestCase):
+
+    def test_mnemonic_to_seed_no_passphrase(self):
+        mnemonic = "remember you must"
+        passphrase = ""
+        expected = '\xa5\x05c!\x97\x8dv2\x11P\x00\x88\x1a\xfbn;\xa6m\xe4a\n"\xf7\x1a\x8e\x10\xbc\xa7\xf2c\xcfX\xa8v;F\x0f&0\x93\xd9l\xd4\xe0\x1a\xc3Y\xa0b\xbb\xd3\xa6=\x00|0\xb6\xd6\x87*Y\x02\xb5i'
+        result = mnemonic_to_seed(mnemonic, passphrase)
+        self.assertEqual(expected, result)
+
+    def test_mnemonic_to_seed_with_passphrase(self):
+        mnemonic = "remember you must"
+        passphrase = "secret"
+        expected = '\x1c\x11u\xd0\xca$DsrK\xa8\xe63\x9e\xfa\x02|\xb4\xdb\xdc~\x86\xbf\xf2Z\xe6\xb6\x17D\x11S\xc0\xa1\x0f$m\xb8\xf3\xad\x12\x83@B]\xe8^\x82\x10z\xe8V\xba\x81.Ou\x1c\x93&\xe8\xac\xf6\x9a\xf9'
+        result = mnemonic_to_seed(mnemonic, passphrase)
+        self.assertEqual(expected, result)