Add tests for update_real_amount

freqtrade/tests/test_freqtradebot.py

@@ -1374,3 +1374,53 @@ def test_get_real_amount_multi(default_conf, trades_for_order2, mocker):
     freqtrade = FreqtradeBot(default_conf, create_engine('sqlite://'))
     # Amount is reduced by "fee"
     assert freqtrade.get_real_amount(trade) == amount - (amount * 0.001)
+
+
+def test_maybe_update_real_amount(default_conf, trades_for_order, mocker):
+    """
+    Test get_real_amount with split trades (multiple trades for this order)
+    """
+
+    patch_get_signal(mocker)
+    patch_RPCManager(mocker)
+    patch_coinmarketcap(mocker)
+    mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
+    mocker.patch('freqtrade.exchange.get_trades_for_order', return_value=trades_for_order)
+    amount = float(sum(x['amount'] for x in trades_for_order))
+    trade = Trade(
+        pair='LTC/ETH',
+        amount=amount,
+        exchange='binance',
+        open_rate=0.245441,
+        open_order_id="123456"
+    )
+    freqtrade = FreqtradeBot(default_conf, create_engine('sqlite://'))
+    # Amount is reduced by "fee"
+    assert freqtrade.maybe_update_real_amount(trade) is True
+    assert trade.amount == amount - (amount * 0.001)
+
+
+def test_maybe_update_real_amount_stake(default_conf, trades_for_order, mocker):
+    """
+    Test get_real_amount with split trades (multiple trades for this order)
+    """
+    trades_for_order[0]['fee']['currency'] = 'ETH'
+
+    patch_get_signal(mocker)
+    patch_RPCManager(mocker)
+    patch_coinmarketcap(mocker)
+
+    mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
+    mocker.patch('freqtrade.exchange.get_trades_for_order', return_value=trades_for_order)
+    amount = float(sum(x['amount'] for x in trades_for_order))
+    trade = Trade(
+        pair='LTC/ETH',
+        amount=amount,
+        exchange='binance',
+        open_rate=0.245441,
+        open_order_id="123456"
+    )
+    freqtrade = FreqtradeBot(default_conf, create_engine('sqlite://'))
+    # Amount is reduced by "fee"
+    assert freqtrade.maybe_update_real_amount(trade) is True
+    assert trade.amount == amount