mirror of https://github.com/facebook/rocksdb.git
104 lines
4.5 KiB
Python
104 lines
4.5 KiB
Python
# Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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# This source code is licensed under both the GPLv2 (found in the
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# COPYING file in the root directory) and Apache 2.0 License
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# (found in the LICENSE.Apache file in the root directory).
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from advisor.db_log_parser import DatabaseLogs, Log, NO_COL_FAMILY
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from advisor.rule_parser import Condition, LogCondition
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import os
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import unittest
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class TestLog(unittest.TestCase):
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def setUp(self):
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self.column_families = ['default', 'col_fam_A']
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def test_get_column_family(self):
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test_log = (
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"2018/05/25-14:34:21.047233 7f82ba72e700 [db/flush_job.cc:371] " +
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"[col_fam_A] [JOB 44] Level-0 flush table #84: 1890780 bytes OK"
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)
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db_log = Log(test_log, self.column_families)
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self.assertEqual('col_fam_A', db_log.get_column_family())
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test_log = (
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"2018/05/25-14:34:21.047233 7f82ba72e700 [db/flush_job.cc:371] " +
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"[JOB 44] Level-0 flush table #84: 1890780 bytes OK"
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)
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db_log = Log(test_log, self.column_families)
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db_log.append_message('[default] some remaining part of log')
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self.assertEqual(NO_COL_FAMILY, db_log.get_column_family())
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def test_get_methods(self):
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hr_time = "2018/05/25-14:30:25.491635"
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context = "7f82ba72e700"
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message = (
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"[db/flush_job.cc:331] [default] [JOB 10] Level-0 flush table " +
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"#23: started"
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)
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test_log = hr_time + " " + context + " " + message
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db_log = Log(test_log, self.column_families)
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self.assertEqual(db_log.get_message(), message)
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remaining_message = "[col_fam_A] some more logs"
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db_log.append_message(remaining_message)
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self.assertEqual(
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db_log.get_human_readable_time(), "2018/05/25-14:30:25.491635"
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)
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self.assertEqual(db_log.get_context(), "7f82ba72e700")
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self.assertEqual(db_log.get_timestamp(), 1527258625)
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self.assertEqual(
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db_log.get_message(), str(message + '\n' + remaining_message)
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)
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def test_is_new_log(self):
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new_log = "2018/05/25-14:34:21.047233 context random new log"
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remaining_log = "2018/05/25 not really a new log"
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self.assertTrue(Log.is_new_log(new_log))
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self.assertFalse(Log.is_new_log(remaining_log))
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class TestDatabaseLogs(unittest.TestCase):
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def test_check_and_trigger_conditions(self):
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this_path = os.path.abspath(os.path.dirname(__file__))
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logs_path_prefix = os.path.join(this_path, 'input_files/LOG-0')
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column_families = ['default', 'col-fam-A', 'col-fam-B']
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db_logs = DatabaseLogs(logs_path_prefix, column_families)
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# matches, has 2 col_fams
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condition1 = LogCondition.create(Condition('cond-A'))
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condition1.set_parameter('regex', 'random log message')
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# matches, multiple lines message
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condition2 = LogCondition.create(Condition('cond-B'))
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condition2.set_parameter('regex', 'continuing on next line')
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# does not match
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condition3 = LogCondition.create(Condition('cond-C'))
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condition3.set_parameter('regex', 'this should match no log')
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db_logs.check_and_trigger_conditions(
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[condition1, condition2, condition3]
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)
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cond1_trigger = condition1.get_trigger()
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self.assertEqual(2, len(cond1_trigger.keys()))
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self.assertSetEqual(
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{'col-fam-A', NO_COL_FAMILY}, set(cond1_trigger.keys())
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)
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self.assertEqual(2, len(cond1_trigger['col-fam-A']))
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messages = [
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"[db/db_impl.cc:563] [col-fam-A] random log message for testing",
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"[db/db_impl.cc:653] [col-fam-A] another random log message"
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]
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self.assertIn(cond1_trigger['col-fam-A'][0].get_message(), messages)
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self.assertIn(cond1_trigger['col-fam-A'][1].get_message(), messages)
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self.assertEqual(1, len(cond1_trigger[NO_COL_FAMILY]))
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self.assertEqual(
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cond1_trigger[NO_COL_FAMILY][0].get_message(),
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"[db/db_impl.cc:331] [unknown] random log message no column family"
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)
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cond2_trigger = condition2.get_trigger()
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self.assertEqual(['col-fam-B'], list(cond2_trigger.keys()))
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self.assertEqual(1, len(cond2_trigger['col-fam-B']))
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self.assertEqual(
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cond2_trigger['col-fam-B'][0].get_message(),
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"[db/db_impl.cc:234] [col-fam-B] log continuing on next line\n" +
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"remaining part of the log"
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)
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self.assertIsNone(condition3.get_trigger())
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