implement test for import_strategy

freqtrade/tests/strategy/test_strategy.py

@@ -5,10 +5,34 @@ import os
 
 import pytest
 
+from freqtrade.strategy import import_strategy
+from freqtrade.strategy.default_strategy import DefaultStrategy
 from freqtrade.strategy.interface import IStrategy
 from freqtrade.strategy.resolver import StrategyResolver
 
 
+def test_import_strategy(caplog):
+    caplog.set_level(logging.DEBUG)
+
+    strategy = DefaultStrategy()
+    strategy.some_method = lambda *args, **kwargs: 42
+
+    assert strategy.__module__ == 'freqtrade.strategy.default_strategy'
+    assert strategy.some_method() == 42
+
+    imported_strategy = import_strategy(strategy)
+
+    assert imported_strategy.__module__ == 'freqtrade.strategy'
+    assert imported_strategy.some_method() == 42
+
+    assert (
+        'freqtrade.strategy',
+        logging.DEBUG,
+        'Imported strategy freqtrade.strategy.default_strategy.DefaultStrategy '
+        'as freqtrade.strategy.DefaultStrategy',
+    ) in caplog.record_tuples
+
+
 def test_search_strategy():
     default_location = os.path.join(os.path.dirname(
         os.path.realpath(__file__)), '..', '..', 'strategy'
@@ -20,8 +44,7 @@ def test_search_strategy():
 
 
 def test_load_strategy(result):
-    resolver = StrategyResolver()
+    resolver = StrategyResolver({'strategy': 'TestStrategy'})
-    resolver._load_strategy('TestStrategy')
     assert hasattr(resolver.strategy, 'populate_indicators')
     assert 'adx' in resolver.strategy.populate_indicators(result)