freqtradebot.execute_entry test for too high stake amount

freqtrade/freqtradebot.py

@@ -828,7 +828,10 @@ class FreqtradeBot(LoggingMixin):
         self, pair: str, price: Optional[float], stake_amount: float,
         side: str, trade_side: str,
         entry_tag: Optional[str],
-            trade: Optional[Trade]) -> Tuple[float, float]:
+        trade: Optional[Trade]
+    ) -> Tuple[float, float]:
+        # TODO: This method has no tests
+
         if price:
             enter_limit_requested = price
         else:

freqtrade/optimize/backtesting.py

@@ -410,7 +410,7 @@ class Backtesting:
 
     def _get_adjust_trade_entry_for_candle(self, trade: LocalTrade, row: Tuple
                                            ) -> LocalTrade:
-
+        # TODO: Write tests
         current_profit = trade.calc_profit_ratio(row[OPEN_IDX])
         min_stake = self.exchange.get_min_pair_stake_amount(trade.pair, row[OPEN_IDX], -0.1)
         max_stake = self.exchange.get_max_pair_stake_amount(trade.pair, row[OPEN_IDX], -0.1)

tests/optimize/test_backtesting.py

@@ -497,6 +497,7 @@ def test_backtesting_pairlist_list(default_conf, mocker, caplog, testdatadir, ti
 
 
 def test_backtest__enter_trade(default_conf, fee, mocker) -> None:
+    # TODO-lev: test max_pair_stake_amount
     default_conf['use_sell_signal'] = False
     mocker.patch('freqtrade.exchange.Exchange.get_fee', fee)
     mocker.patch("freqtrade.exchange.Exchange.get_min_pair_stake_amount", return_value=0.00001)

tests/test_freqtradebot.py

@@ -932,6 +932,22 @@ def test_execute_entry(mocker, default_conf_usdt, fee, limit_order,
     assert trade.open_rate_requested == 10
     assert trade.isolated_liq == liq_price
 
+    # In case of too high stake amount
+
+    order['status'] = 'open'
+    order['id'] = '55672'
+
+    mocker.patch.multiple(
+        'freqtrade.exchange.Exchange',
+        get_max_pair_stake_amount=MagicMock(return_value=500),
+    )
+    freqtrade.exchange.get_max_pair_stake_amount = MagicMock(return_value=500)
+
+    assert freqtrade.execute_entry(pair, 2000, is_short=is_short)
+    trade = Trade.query.all()[9]
+    trade.is_short = is_short
+    assert trade.stake_amount == 500
+
 
 @pytest.mark.parametrize("is_short", [False, True])
 def test_execute_entry_confirm_error(mocker, default_conf_usdt, fee, limit_order, is_short) -> None: