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#!/usr/bin/env python
# Copyright 2015 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# pylint: disable=protected-access
import itertools
import threading
import unittest
from devil import devil_env
from devil.android import logcat_monitor
from devil.android.sdk import adb_wrapper
with devil_env.SysPath(devil_env.PYMOCK_PATH):
import mock # pylint: disable=import-error
def _CreateTestLog(raw_logcat=None):
test_adb = adb_wrapper.AdbWrapper('0123456789abcdef')
test_adb.Logcat = mock.Mock(return_value=(l for l in raw_logcat))
test_log = logcat_monitor.LogcatMonitor(test_adb, clear=False)
return test_log
class LogcatMonitorTest(unittest.TestCase):
_TEST_THREADTIME_LOGCAT_DATA = [
'01-01 01:02:03.456 7890 0987 V LogcatMonitorTest: '
'verbose logcat monitor test message 1',
'01-01 01:02:03.457 8901 1098 D LogcatMonitorTest: '
'debug logcat monitor test message 2',
'01-01 01:02:03.458 9012 2109 I LogcatMonitorTest: '
'info logcat monitor test message 3',
'01-01 01:02:03.459 0123 3210 W LogcatMonitorTest: '
'warning logcat monitor test message 4',
'01-01 01:02:03.460 1234 4321 E LogcatMonitorTest: '
'error logcat monitor test message 5',
'01-01 01:02:03.461 2345 5432 F LogcatMonitorTest: '
'fatal logcat monitor test message 6',
'01-01 01:02:03.462 3456 6543 D LogcatMonitorTest: '
'last line'
]
def assertIterEqual(self, expected_iter, actual_iter):
for expected, actual in itertools.izip_longest(expected_iter, actual_iter):
self.assertIsNotNone(
expected,
msg='actual has unexpected elements starting with %s' % str(actual))
self.assertIsNotNone(
actual,
msg='actual is missing elements starting with %s' % str(expected))
self.assertEqual(actual.group('proc_id'), expected[0])
self.assertEqual(actual.group('thread_id'), expected[1])
self.assertEqual(actual.group('log_level'), expected[2])
self.assertEqual(actual.group('component'), expected[3])
self.assertEqual(actual.group('message'), expected[4])
with self.assertRaises(StopIteration):
next(actual_iter)
with self.assertRaises(StopIteration):
next(expected_iter)
@mock.patch('time.sleep', mock.Mock())
def testWaitFor_success(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
actual_match = test_log.WaitFor(r'.*(fatal|error) logcat monitor.*', None)
self.assertTrue(actual_match)
self.assertEqual(
'01-01 01:02:03.460 1234 4321 E LogcatMonitorTest: '
'error logcat monitor test message 5', actual_match.group(0))
self.assertEqual('error', actual_match.group(1))
test_log.Stop()
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testWaitFor_failure(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
actual_match = test_log.WaitFor(r'.*My Success Regex.*',
r'.*(fatal|error) logcat monitor.*')
self.assertIsNone(actual_match)
test_log.Stop()
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testWaitFor_buffering(self):
# Simulate an adb log stream which does not complete until the test tells it
# to. This checks that the log matcher can receive individual lines from the
# log reader thread even if adb is not producing enough output to fill an
# entire file io buffer.
finished_lock = threading.Lock()
finished_lock.acquire()
def LogGenerator():
for line in type(self)._TEST_THREADTIME_LOGCAT_DATA:
yield line
finished_lock.acquire()
test_adb = adb_wrapper.AdbWrapper('0123456789abcdef')
test_adb.Logcat = mock.Mock(return_value=LogGenerator())
test_log = logcat_monitor.LogcatMonitor(test_adb, clear=False)
test_log.Start()
actual_match = test_log.WaitFor(r'.*last line.*', None)
finished_lock.release()
self.assertTrue(actual_match)
test_log.Stop()
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testFindAll_defaults(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
test_log.WaitFor(r'.*last line.*', None)
test_log.Stop()
expected_results = [('7890', '0987', 'V', 'LogcatMonitorTest',
'verbose logcat monitor test message 1'),
('8901', '1098', 'D', 'LogcatMonitorTest',
'debug logcat monitor test message 2'),
('9012', '2109', 'I', 'LogcatMonitorTest',
'info logcat monitor test message 3'),
('0123', '3210', 'W', 'LogcatMonitorTest',
'warning logcat monitor test message 4'),
('1234', '4321', 'E', 'LogcatMonitorTest',
'error logcat monitor test message 5'),
('2345', '5432', 'F', 'LogcatMonitorTest',
'fatal logcat monitor test message 6')]
actual_results = test_log.FindAll(r'\S* logcat monitor test message \d')
self.assertIterEqual(iter(expected_results), actual_results)
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testFindAll_defaults_miss(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
test_log.WaitFor(r'.*last line.*', None)
test_log.Stop()
expected_results = []
actual_results = test_log.FindAll(r'\S* nothing should match this \d')
self.assertIterEqual(iter(expected_results), actual_results)
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testFindAll_filterProcId(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
test_log.WaitFor(r'.*last line.*', None)
test_log.Stop()
actual_results = test_log.FindAll(
r'\S* logcat monitor test message \d', proc_id=1234)
expected_results = [('1234', '4321', 'E', 'LogcatMonitorTest',
'error logcat monitor test message 5')]
self.assertIterEqual(iter(expected_results), actual_results)
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testFindAll_filterThreadId(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
test_log.WaitFor(r'.*last line.*', None)
test_log.Stop()
actual_results = test_log.FindAll(
r'\S* logcat monitor test message \d', thread_id=2109)
expected_results = [('9012', '2109', 'I', 'LogcatMonitorTest',
'info logcat monitor test message 3')]
self.assertIterEqual(iter(expected_results), actual_results)
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testFindAll_filterLogLevel(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
test_log.WaitFor(r'.*last line.*', None)
test_log.Stop()
actual_results = test_log.FindAll(
r'\S* logcat monitor test message \d', log_level=r'[DW]')
expected_results = [('8901', '1098', 'D', 'LogcatMonitorTest',
'debug logcat monitor test message 2'),
('0123', '3210', 'W', 'LogcatMonitorTest',
'warning logcat monitor test message 4')]
self.assertIterEqual(iter(expected_results), actual_results)
test_log.Close()
@mock.patch('time.sleep', mock.Mock())
def testFindAll_filterComponent(self):
test_log = _CreateTestLog(
raw_logcat=type(self)._TEST_THREADTIME_LOGCAT_DATA)
test_log.Start()
test_log.WaitFor(r'.*last line.*', None)
test_log.Stop()
actual_results = test_log.FindAll(r'.*', component='LogcatMonitorTest')
expected_results = [('7890', '0987', 'V', 'LogcatMonitorTest',
'verbose logcat monitor test message 1'),
('8901', '1098', 'D', 'LogcatMonitorTest',
'debug logcat monitor test message 2'),
('9012', '2109', 'I', 'LogcatMonitorTest',
'info logcat monitor test message 3'),
('0123', '3210', 'W', 'LogcatMonitorTest',
'warning logcat monitor test message 4'),
('1234', '4321', 'E', 'LogcatMonitorTest',
'error logcat monitor test message 5'),
('2345', '5432', 'F', 'LogcatMonitorTest',
'fatal logcat monitor test message 6'),
('3456', '6543', 'D', 'LogcatMonitorTest', 'last line')]
self.assertIterEqual(iter(expected_results), actual_results)
test_log.Close()
if __name__ == '__main__':
unittest.main(verbosity=2)
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