stoploss on exchange added as a parameter to order_types

freqtrade/tests/exchange/test_exchange.py

@@ -362,7 +362,14 @@ def test_validate_order_types(default_conf, mocker):
     mocker.patch('freqtrade.exchange.Exchange._init_ccxt', MagicMock(return_value=api_mock))
     mocker.patch('freqtrade.exchange.Exchange._load_markets', MagicMock(return_value={}))
     mocker.patch('freqtrade.exchange.Exchange.validate_timeframes', MagicMock())
-    default_conf['order_types'] = {'buy': 'limit', 'sell': 'limit', 'stoploss': 'market'}
+    mocker.patch('freqtrade.exchange.Exchange.name', 'Bittrex')
+    default_conf['order_types'] = {
+        'buy': 'limit',
+        'sell': 'limit',
+        'stoploss': 'market',
+        'stoploss_on_exchange': False
+    }
+
     Exchange(default_conf)
 
     type(api_mock).has = PropertyMock(return_value={'createMarketOrder': False})
@@ -374,6 +381,17 @@ def test_validate_order_types(default_conf, mocker):
                        match=r'Exchange .* does not support market orders.'):
         Exchange(default_conf)
 
+    default_conf['order_types'] = {
+        'buy': 'limit',
+        'sell': 'limit',
+        'stoploss': 'limit',
+        'stoploss_on_exchange': True
+    }
+
+    with pytest.raises(OperationalException,
+                       match=r'On exchange stoploss is not supported for .*'):
+        Exchange(default_conf)
+
 
 def test_validate_order_types_not_in_config(default_conf, mocker):
     api_mock = MagicMock()