LBRY-Vault/electrum/tests/test_wallet.py

140 lines
4.8 KiB
Python

import shutil
import tempfile
import sys
import os
import json
from decimal import Decimal
from unittest import TestCase
import time
from io import StringIO
from electrum.storage import WalletStorage, FINAL_SEED_VERSION
from electrum.wallet import Abstract_Wallet
from electrum.exchange_rate import ExchangeBase, FxThread
from electrum.util import TxMinedInfo
from electrum.bitcoin import COIN
from . import SequentialTestCase
class FakeSynchronizer(object):
def __init__(self):
self.store = []
def add(self, address):
self.store.append(address)
class WalletTestCase(SequentialTestCase):
def setUp(self):
super(WalletTestCase, self).setUp()
self.user_dir = tempfile.mkdtemp()
self.wallet_path = os.path.join(self.user_dir, "somewallet")
self._saved_stdout = sys.stdout
self._stdout_buffer = StringIO()
sys.stdout = self._stdout_buffer
def tearDown(self):
super(WalletTestCase, self).tearDown()
shutil.rmtree(self.user_dir)
# Restore the "real" stdout
sys.stdout = self._saved_stdout
class TestWalletStorage(WalletTestCase):
def test_read_dictionary_from_file(self):
some_dict = {"a":"b", "c":"d"}
contents = json.dumps(some_dict)
with open(self.wallet_path, "w") as f:
contents = f.write(contents)
storage = WalletStorage(self.wallet_path, manual_upgrades=True)
self.assertEqual("b", storage.get("a"))
self.assertEqual("d", storage.get("c"))
def test_write_dictionary_to_file(self):
storage = WalletStorage(self.wallet_path)
some_dict = {
u"a": u"b",
u"c": u"d",
u"seed_version": FINAL_SEED_VERSION}
for key, value in some_dict.items():
storage.put(key, value)
storage.write()
with open(self.wallet_path, "r") as f:
contents = f.read()
self.assertEqual(some_dict, json.loads(contents))
class FakeExchange(ExchangeBase):
def __init__(self, rate):
super().__init__(lambda self: None, lambda self: None)
self.quotes = {'TEST': rate}
class FakeFxThread:
def __init__(self, exchange):
self.exchange = exchange
self.ccy = 'TEST'
remove_thousands_separator = staticmethod(FxThread.remove_thousands_separator)
timestamp_rate = FxThread.timestamp_rate
ccy_amount_str = FxThread.ccy_amount_str
history_rate = FxThread.history_rate
class FakeWallet:
def __init__(self, fiat_value):
super().__init__()
self.fiat_value = fiat_value
self.transactions = self.verified_tx = {'abc': 'Tx'}
def get_tx_height(self, txid):
# because we use a current timestamp, and history is empty,
# FxThread.history_rate will use spot prices
return TxMinedInfo(height=10, conf=10, timestamp=int(time.time()), header_hash='def')
default_fiat_value = Abstract_Wallet.default_fiat_value
price_at_timestamp = Abstract_Wallet.price_at_timestamp
class storage:
put = lambda self, x: None
txid = 'abc'
ccy = 'TEST'
class TestFiat(TestCase):
def setUp(self):
self.value_sat = COIN
self.fiat_value = {}
self.wallet = FakeWallet(fiat_value=self.fiat_value)
self.fx = FakeFxThread(FakeExchange(Decimal('1000.001')))
default_fiat = Abstract_Wallet.default_fiat_value(self.wallet, txid, self.fx, self.value_sat)
self.assertEqual(Decimal('1000.001'), default_fiat)
self.assertEqual('1,000.00', self.fx.ccy_amount_str(default_fiat, commas=True))
def test_save_fiat_and_reset(self):
self.assertEqual(False, Abstract_Wallet.set_fiat_value(self.wallet, txid, ccy, '1000.01', self.fx, self.value_sat))
saved = self.fiat_value[ccy][txid]
self.assertEqual('1,000.01', self.fx.ccy_amount_str(Decimal(saved), commas=True))
self.assertEqual(True, Abstract_Wallet.set_fiat_value(self.wallet, txid, ccy, '', self.fx, self.value_sat))
self.assertNotIn(txid, self.fiat_value[ccy])
# even though we are not setting it to the exact fiat value according to the exchange rate, precision is truncated away
self.assertEqual(True, Abstract_Wallet.set_fiat_value(self.wallet, txid, ccy, '1,000.002', self.fx, self.value_sat))
def test_too_high_precision_value_resets_with_no_saved_value(self):
self.assertEqual(True, Abstract_Wallet.set_fiat_value(self.wallet, txid, ccy, '1,000.001', self.fx, self.value_sat))
def test_empty_resets(self):
self.assertEqual(True, Abstract_Wallet.set_fiat_value(self.wallet, txid, ccy, '', self.fx, self.value_sat))
self.assertNotIn(ccy, self.fiat_value)
def test_save_garbage(self):
self.assertEqual(False, Abstract_Wallet.set_fiat_value(self.wallet, txid, ccy, 'garbage', self.fx, self.value_sat))
self.assertNotIn(ccy, self.fiat_value)