def test_get_balance_error(self):
        self.requests = requests.get
        requests.get = MagicMock(side_effect=requests.ConnectionError)
        self.assertEquals(walletcontroller.get_balance('BTC'),
                          "No %s wallet found" % 'BTC')

        requests.get = self.requests
 def test_get_balance(self):
     responses.add(
         responses.GET,
         'http://localhost:8085/wallets',
         json={'wallets': {
             'BTC': {
                 'balance': {
                     'available': 5000
                 }
             }
         }})
     self.assertEqual(walletcontroller.get_balance('BTC'), 5000)