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from logster.parsers.Log4jLogster import Log4jLogster
from logster.logster_helper import LogsterParsingException
import unittest
class TestLog4jLogster(unittest.TestCase):
def setUp(self):
self.logster = Log4jLogster()
self.log_tmpl = '13:55:36 %s com.etsy.LogsterTest - This is a message'
def test_valid_lines(self):
self.logster.parse_line(self.log_tmpl % 'WARN')
self.logster.parse_line(self.log_tmpl % 'ERROR')
self.logster.parse_line(self.log_tmpl % 'ERROR')
self.assertEqual(1, self.logster.WARN)
self.assertEqual(2, self.logster.ERROR)
self.assertEqual(0, self.logster.FATAL)
self.assertRaises(LogsterParsingException, self.logster.parse_line, self.log_tmpl % 'DEBUG')
self.assertFalse(hasattr(self.logster, 'DEBUG'))
def test_valid_lines_non_default(self):
debug_logster = Log4jLogster('--log-levels=DEBUG')
debug_logster.parse_line(self.log_tmpl % 'DEBUG')
self.assertEqual(1, debug_logster.DEBUG)
self.assertRaises(LogsterParsingException, debug_logster.parse_line, self.log_tmpl % 'WARN')
self.assertRaises(LogsterParsingException, debug_logster.parse_line, self.log_tmpl % 'ERROR')
self.assertFalse(hasattr(debug_logster, 'WARN'))
self.assertFalse(hasattr(debug_logster, 'ERROR'))
self.assertFalse(hasattr(debug_logster, 'FATAL'))
def test_metrics_1sec(self):
self.test_valid_lines()
metrics = self.logster.get_state(1)
self.assertEqual(3, len(metrics))
expected = {"WARN": 1,
"ERROR": 2,
"FATAL": 0,
}
for m in metrics:
self.assertEqual(expected[m.name], m.value)
def test_metrics_2sec(self):
self.test_valid_lines()
metrics = self.logster.get_state(2)
self.assertEqual(3, len(metrics))
expected = {"WARN": 0.5,
"ERROR": 1,
"FATAL": 0,
}
for m in metrics:
self.assertEqual(expected[m.name], m.value)
def test_invalid_line(self):
self.assertRaises(LogsterParsingException, self.logster.parse_line, 'invalid log entry')
if __name__ == '__main__':
unittest.main()
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