[Tests] add get_test_exchange_manager

Author: Guillaume De Saint Martin

tests/test_utils/test_exchanges.py

@@ -0,0 +1,25 @@
+#  This file is part of OctoBot (https://github.com/Drakkar-Software/OctoBot)
+#  Copyright (c) 2022 Drakkar-Software, All rights reserved.
+#
+#  OctoBot is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either
+#  version 3.0 of the License, or (at your option) any later version.
+#
+#  OctoBot is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+#  General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public
+#  License along with OctoBot. If not, see <https://www.gnu.org/licenses/>.
+import os
+
+import octobot_trading.exchanges as exchanges
+
+
+def get_test_exchange_manager(config, exchange_name):
+    exchange_manager = exchanges.ExchangeManager(config, exchange_name)
+    # customize exchange id to include test name (useful in possible memory issues)
+    exchange_manager.id = f"{exchange_manager.id}[{os.environ.get('PYTEST_CURRENT_TEST')}]"
+    return exchange_manager