lib/tests/test_wallet.py

   1 import shutil
   2 import tempfile
   3 import sys
   4 import unittest
   5 import os
   6
   7 from StringIO import StringIO
   8 from lib.wallet import WalletStorage, NewWallet
   9
  10
  11 class FakeConfig(object):
  12     """A stub config file to be used in tests"""
  13     def __init__(self, path):
  14         self.path = path
  15         self.store = {}
  16
  17     def set(self, key, value):
  18         self.store[key] = value
  19
  20     def get(self, key, default=None):
  21         return self.store.get(key, default)
  22
  23
  24 class FakeSynchronizer(object):
  25
  26     def __init__(self):
  27         self.store = []
  28
  29     def add(self, address):
  30         self.store.append(address)
  31
  32
  33 class WalletTestCase(unittest.TestCase):
  34
  35     def setUp(self):
  36         super(WalletTestCase, self).setUp()
  37         self.user_dir = tempfile.mkdtemp()
  38
  39         self.fake_config = FakeConfig(self.user_dir)
  40
  41         self._saved_stdout = sys.stdout
  42         self._stdout_buffer = StringIO()
  43         sys.stdout = self._stdout_buffer
  44
  45     def tearDown(self):
  46         super(WalletTestCase, self).tearDown()
  47         shutil.rmtree(self.user_dir)
  48         # Restore the "real" stdout
  49         sys.stdout = self._saved_stdout
  50
  51
  52 class TestWalletStorage(WalletTestCase):
  53
  54     def test_init_wallet_default_path(self):
  55         storage = WalletStorage(self.fake_config)
  56         expected = os.path.join(self.user_dir, "wallets", "default_wallet")
  57         self.assertEqual(expected, storage.path)
  58
  59     def test_init_wallet_explicit_path(self):
  60         path = os.path.join(self.user_dir, "somewallet")
  61         self.fake_config.set("wallet_path", path)
  62
  63         storage = WalletStorage(self.fake_config)
  64         self.assertEqual(path, storage.path)
  65
  66     def test_init_wallet_default_wallet_path(self):
  67         path = os.path.join(self.user_dir, "somewallet")
  68         self.fake_config.set("default_wallet_path", path)
  69
  70         storage = WalletStorage(self.fake_config)
  71         self.assertEqual(path, storage.path)
  72
  73     def test_read_dictionnary_from_file(self):
  74         path = os.path.join(self.user_dir, "somewallet")
  75         self.fake_config.set("wallet_path", path)
  76
  77         some_dict = {"a":"b", "c":"d"}
  78         contents = repr(some_dict)
  79         with open(path, "w") as f:
  80             contents = f.write(contents)
  81
  82         storage = WalletStorage(self.fake_config)
  83         self.assertEqual("b", storage.get("a"))
  84         self.assertEqual("d", storage.get("c"))
  85
  86     def test_write_dictionnary_to_file(self):
  87         path = os.path.join(self.user_dir, "somewallet")
  88         self.fake_config.set("wallet_path", path)
  89
  90         storage = WalletStorage(self.fake_config)
  91
  92         some_dict = {"a":"b", "c":"d"}
  93         storage.data = some_dict
  94
  95         storage.write()
  96
  97         contents = ""
  98         with open(path, "r") as f:
  99             contents = f.read()
 100         self.assertEqual(repr(some_dict), contents)
 101
 102
 103 class TestNewWallet(WalletTestCase):
 104
 105     seed_text = "The seed will sprout and grow up tall."
 106     password = "secret"
 107
 108     master_xpub = "xpub661MyMwAqRbcGEop5Rnp68oX1ikeFNVMtx1utwXZGRKMmeXVxwBM5UzkwU9nGB1EofZekLDRfi1w5F9P7Vac3PEuWdWHr2gHLW8vp5YyKJ1"
 109     master_xpriv = "xprv9s21ZrQH143K3kjLyQFoizrnTgv9qumWXj6K6Z7wi5nNtrCMRPs6XggH6Bbgz9CUgPJnZnV74yUdRSr8qWVELr9QQTgU5aNL33ViMyD9nhs"
 110
 111     first_account_name = "account1"
 112     first_account_first_address = "1Jv9pLCJ4Sqr7aDYLGX5QhET4ps5qRcB9V"
 113     first_account_second_address = "14n9EsZsgTTc4eC4TxeP1ccP8bXgwxPMmL"
 114
 115     import_private_key = "L52XzL2cMkHxqxBXRyEpnPQZGUs3uKiL3R11XbAdHigRzDozKZeW"
 116     import_key_address = "15mKKb2eos1hWa6tisdPwwDC1a5J1y9nma"
 117
 118     def setUp(self):
 119         super(TestNewWallet, self).setUp()
 120         self.storage = WalletStorage(self.fake_config)
 121         self.wallet = NewWallet(self.storage)
 122         # This cannot be constructed by electrum at random, it should be safe
 123         # from eventual collisions.
 124         self.wallet.add_seed(self.seed_text, self.password)
 125
 126     def test_wallet_with_seed_is_not_watching_only(self):
 127         self.assertFalse(self.wallet.is_watching_only())
 128
 129     def test_wallet_without_seed_is_watching_only(self):
 130         # We need a new storage , since the default storage was already seeded
 131         # in setUp()
 132         new_dir = tempfile.mkdtemp()
 133         config = FakeConfig(new_dir)
 134         wallet = NewWallet(config)
 135         self.assertTrue(wallet.is_watching_only())
 136         shutil.rmtree(new_dir)  # Don't leave useless stuff in /tmp
 137
 138     def test_new_wallet_is_deterministic(self):
 139         self.assertTrue(self.wallet.is_deterministic())
 140
 141     def test_get_seed_returns_correct_seed(self):
 142         self.assertEqual(self.wallet.get_seed(self.password), self.seed_text)
 143         self.assertEqual(0, len(self.wallet.addresses()))
 144
 145     def test_add_account(self):
 146         self.wallet.create_account(self.first_account_name, self.password)
 147         self.assertEqual(1, len(self.wallet.addresses()))
 148         self.assertIn(self.first_account_first_address,
 149                          self.wallet.addresses())
 150
 151     def test_add_account_add_address(self):
 152         self.wallet.create_account(self.first_account_name, self.password)
 153         self.wallet.synchronizer = FakeSynchronizer()
 154
 155         self.wallet.create_new_address()
 156         self.assertEqual(2, len(self.wallet.addresses()))
 157         self.assertIn(self.first_account_first_address,
 158                          self.wallet.addresses())
 159         self.assertIn(self.first_account_second_address,
 160                       self.wallet.addresses())
 161
 162     def test_key_import(self):
 163         # Wallets have no imported keys by default.
 164         self.wallet.create_account(self.first_account_name, self.password)
 165         self.assertFalse(self.wallet.has_imported_keys())
 166
 167         # Importing a key works.
 168         self.wallet.import_key(self.import_private_key, "")
 169         self.assertEqual(2, len(self.wallet.addresses()))
 170         self.assertIn(self.import_key_address, self.wallet.addresses())
 171
 172         self.assertTrue(self.wallet.has_imported_keys())
 173
 174         # Deleting the key works.
 175         self.wallet.delete_imported_key(self.import_key_address)
 176         self.assertFalse(self.wallet.has_imported_keys())
 177         self.assertEqual(1, len(self.wallet.addresses()))
 178         self.assertNotIn(self.import_key_address, self.wallet.addresses())
 179
 180     def test_update_password(self):
 181         new_password = "secret2"
 182         self.wallet.update_password(self.password, new_password)
 183         self.wallet.create_account(self.first_account_name, new_password)
 184         self.assertEqual(1, len(self.wallet.addresses()))