Explicit test for candletype get_default

freqtrade/data/history/history_utils.py

@@ -284,7 +284,6 @@ def refresh_backtest_ohlcv_data(exchange: Exchange, pairs: List[str], timeframes
             # Downloads what is necessary to backtest based on futures data.
             timeframe = exchange._ft_has['mark_ohlcv_timeframe']
             candle_type = CandleType.from_string(exchange._ft_has['mark_ohlcv_price'])
-            # candle_type = CandleType.MARK
 
             # TODO: this could be in most parts to the above.
             if erase:

tests/leverage/test_candletype.py

@@ -14,5 +14,14 @@ from freqtrade.enums import CandleType
     ('mark', CandleType.MARK),
     ('premiumIndex', CandleType.PREMIUMINDEX),
 ])
-def test_candle_type_from_string(input, expected):
+def test_CandleType_from_string(input, expected):
     assert CandleType.from_string(input) == expected
+
+
+@pytest.mark.parametrize('input,expected', [
+    ('futures', CandleType.FUTURES),
+    ('spot', CandleType.SPOT),
+    ('margin', CandleType.SPOT),
+])
+def test_CandleType_get_default(input, expected):
+    assert CandleType.get_default(input) == expected