def test_rewind_by_lines_tolerates_multi_line_logs(self):
filename = '/tmp/jabber_test/basic.log'
log = Log(filename)
content = ('2011-09-21 01:00:01,854 - basic - INFO - Line 01\n' +
'2011-09-21 02:00:01,854 - basic - INFO - Line 02\n' +
'2011-09-21 03:00:01,854 - basic - INFO - Line 03\n' +
'2011-09-21 04:00:01,854 - basic - INFO - Line 04\n' +
'2011-09-21 05:00:01,854 - basic - INFO - Line 05\n' +
'2011-09-21 06:00:01,854 - basic - INFO - Line 06\n' +
'2011-09-21 07:00:01,854 - basic - INFO - Line 07\n' +
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'this is a second line of same log line\n' +
'there is even a third line\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10\n'
)
open(filename, 'w').write(content)
log.flush()
self.assertEquals(log.flush(), '')
log.rewind(1)
self.assertEquals(log.flush(),
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(2)
self.assertEquals(log.flush(),
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(3)
self.assertEquals(log.flush(),
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'this is a second line of same log line\n' +
'there is even a third line\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
open(filename, 'a').write('2011-09-21 11:00:01,854 - basic - INFO - Line 11\n')
log.rewind(4)
self.assertEquals(log.flush(),
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'this is a second line of same log line\n' +
'there is even a third line\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10\n' +
'2011-09-21 11:00:01,854 - basic - INFO - Line 11')
def test_log_can_be_rewinded_by_line_number(self):
filename = '/tmp/jabber_test/basic.log'
log = Log(filename)
content = ('2011-09-21 01:00:01,854 - basic - INFO - Line 01\n' +
'2011-09-21 02:00:01,854 - basic - INFO - Line 02\n' +
'2011-09-21 03:00:01,854 - basic - INFO - Line 03\n' +
'2011-09-21 04:00:01,854 - basic - INFO - Line 04\n' +
'2011-09-21 05:00:01,854 - basic - INFO - Line 05\n' +
'2011-09-21 06:00:01,854 - basic - INFO - Line 06\n' +
'2011-09-21 07:00:01,854 - basic - INFO - Line 07\n' +
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10\n'
)
open(filename, 'w').write(content)
log.flush()
self.assertEquals(log.flush(), '')
log.rewind(1)
self.assertEquals(log.flush(),
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(2)
self.assertEquals(log.flush(),
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(3)
self.assertEquals(log.flush(),
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
open(filename, 'a').write('2011-09-21 11:00:01,854 - basic - INFO - Line 11\n')
log.rewind(4)
self.assertEquals(log.flush(),
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10\n' +
'2011-09-21 11:00:01,854 - basic - INFO - Line 11')
def test_rewind_by_time_tolerates_multi_line_logs(self):
self.set_date('2011-09-21 10:00:05')
filename = '/tmp/jabber_test/basic.log'
log = Log(filename)
content = ('2011-09-21 01:00:01,854 - basic - INFO - Line 01\n' +
'2011-09-21 02:00:01,854 - basic - INFO - Line 02\n' +
'2011-09-21 03:00:01,854 - basic - INFO - Line 03\n' +
'2011-09-21 04:00:01,854 - basic - INFO - Line 04\n' +
'2011-09-21 05:00:01,854 - basic - INFO - Line 05\n' +
'2011-09-21 06:00:01,854 - basic - INFO - Line 06\n' +
'2011-09-21 07:00:01,854 - basic - INFO - Line 07\n' +
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'this is a second line of same log line\n' +
'there is even a third line\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10\n'
)
open(filename, 'w').write(content)
log.flush()
self.assertEquals(log.flush(), '')
log.rewind(dtime=5)
self.assertEquals(log.flush(),
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=3600)
self.assertEquals(log.flush(),
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=3605)
self.assertEquals(log.flush(),
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=7205)
self.assertEquals(log.flush(),
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'this is a second line of same log line\n' +
'there is even a third line\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=3600)
log.rewind(dtime=1) #this will override previous rewind
self.assertEquals(log.flush(), '')
log.rewind(dtime=3600 * 24)
self.assertEquals(log.flush(), content.strip())
def test_log_can_be_rewinded_by_time_shift(self):
self.set_date('2011-09-21 10:00:05')
filename = '/tmp/jabber_test/basic.log'
log = Log(filename)
content = ('2011-09-21 01:00:01,854 - basic - INFO - Line 01\n' +
'2011-09-21 02:00:01,854 - basic - INFO - Line 02\n' +
'2011-09-21 03:00:01,854 - basic - INFO - Line 03\n' +
'2011-09-21 04:00:01,854 - basic - INFO - Line 04\n' +
'2011-09-21 05:00:01,854 - basic - INFO - Line 05\n' +
'2011-09-21 06:00:01,854 - basic - INFO - Line 06\n' +
'2011-09-21 07:00:01,854 - basic - INFO - Line 07\n' +
'2011-09-21 08:00:01,854 - basic - INFO - Line 08\n' +
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10\n'
)
open(filename, 'w').write(content)
log.flush()
self.assertEquals(log.flush(), '')
log.rewind(dtime=5)
self.assertEquals(log.flush(),
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=3600)
self.assertEquals(log.flush(),
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=3605)
self.assertEquals(log.flush(),
'2011-09-21 09:00:01,854 - basic - INFO - Line 09\n' +
'2011-09-21 10:00:01,854 - basic - INFO - Line 10')
log.rewind(dtime=3600)
log.rewind(dtime=1) #this will override previous rewind
self.assertEquals(log.flush(), '')
log.rewind(dtime=3600 * 24)
self.assertEquals(log.flush(), content.strip())
