lightning/tests/tests_app/utilities/test_log_helpers.py

24 lines
1.0 KiB
Python

from unittest import mock, TestCase
from lightning.app.utilities.log_helpers import _error_callback
class TestErrorCallback(TestCase):
def test_known_error(self):
websocket = mock.Mock()
with self.assertLogs("lightning.app.utilities.log_helpers") as captured:
_error_callback(websocket, ValueError())
# check that there is only one log message
self.assertEqual(len(captured.records), 1)
# and it contains the error message expected
self.assertIn("Error while reading logs (Malformed date format)", captured.records[0].getMessage())
def test_unknown_error(self):
websocket = mock.Mock()
with self.assertLogs("lightning.app.utilities.log_helpers") as captured:
_error_callback(websocket, IOError())
# check that there is only one log message
self.assertEqual(len(captured.records), 1)
# and it contains the error message expected
self.assertIn("Error while reading logs (Unknown)", captured.records[0].getMessage())