Add test for "no trades found" case

freqtrade/tests/conftest.py

@@ -583,6 +583,6 @@ def buy_order_fee():
         'price': 0.245441,
         'amount': 8.0,
         'remaining': 90.99181073,
-        'status': 'open',
+        'status': 'closed',
         'fee': None
     }

freqtrade/tests/test_freqtradebot.py

@@ -1344,6 +1344,32 @@ def test_get_real_amount_quote(default_conf, trades_for_order, buy_order_fee, ca
                    caplog.record_tuples)
 
 
+def test_get_real_amount_no_trade(default_conf, buy_order_fee, caplog, mocker):
+    """
+    Test get_real_amount - fee in quote currency
+    """
+
+    mocker.patch('freqtrade.exchange.get_trades_for_order', return_value=[])
+
+    patch_get_signal(mocker)
+    patch_RPCManager(mocker)
+    patch_coinmarketcap(mocker)
+    mocker.patch('freqtrade.exchange.validate_pairs', MagicMock(return_value=True))
+    amount = buy_order_fee['amount']
+    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.get_real_amount(trade, buy_order_fee) == amount
+    assert log_has('Applying fee on amount for Trade(id=None, pair=LTC/ETH, amount=8.00000000, '
+                   'open_rate=0.24544100, open_since=closed) failed: myTrade-Dict empty found',
+                   caplog.record_tuples)
+
 def test_get_real_amount_stake(default_conf, trades_for_order, buy_order_fee, caplog, mocker):
     """
     Test get_real_amount - fees in Stake currency