add tests for more debug levels

freqtrade/tests/test_configuration.py

@@ -6,6 +6,7 @@ Unit test file for configuration.py
 import json
 from argparse import Namespace
 from copy import deepcopy
+import logging
 from unittest.mock import MagicMock
 
 import pytest
@@ -13,7 +14,7 @@ from jsonschema import ValidationError
 
 from freqtrade import OperationalException
 from freqtrade.arguments import Arguments
-from freqtrade.configuration import Configuration
+from freqtrade.configuration import Configuration, set_loggers
 from freqtrade.constants import DEFAULT_DB_DRYRUN_URL, DEFAULT_DB_PROD_URL
 from freqtrade.tests.conftest import log_has
 
@@ -402,3 +403,38 @@ def test_check_exchange(default_conf) -> None:
         match=r'.*Exchange "unknown_exchange" not supported.*'
     ):
         configuration.check_exchange(conf)
+
+
+def test_set_loggers() -> None:
+    """
+    Test set_loggers() update the logger level for third-party libraries
+    """
+    previous_value1 = logging.getLogger('requests').level
+    previous_value2 = logging.getLogger('ccxt.base.exchange').level
+    previous_value3 = logging.getLogger('telegram').level
+
+    set_loggers()
+
+    value1 = logging.getLogger('requests').level
+    assert previous_value1 is not value1
+    assert value1 is logging.INFO
+
+    value2 = logging.getLogger('ccxt.base.exchange').level
+    assert previous_value2 is not value2
+    assert value2 is logging.INFO
+
+    value3 = logging.getLogger('telegram').level
+    assert previous_value3 is not value3
+    assert value3 is logging.INFO
+
+    set_loggers(log_level=2)
+
+    assert logging.getLogger('requests').level is logging.DEBUG
+    assert logging.getLogger('ccxt.base.exchange').level is logging.INFO
+    assert logging.getLogger('telegram').level is logging.INFO
+
+    set_loggers(log_level=3)
+
+    assert logging.getLogger('requests').level is logging.DEBUG
+    assert logging.getLogger('ccxt.base.exchange').level is logging.DEBUG
+    assert logging.getLogger('telegram').level is logging.INFO