def test_log_more_up_to_date(self):
"""
Test figuring out which log is more up to date
"""
outofdate = WriteLog()
uptodate = WriteLog()
# Add some log records
version = 0
for term in xrange(1, 5):
for x in xrange(1, 10):
version += 1
outofdate.append(version, term)
uptodate.append(version, term)
# Make sure they're greater/less equal to start
self.assertEqual(uptodate, outofdate)
self.assertGreaterEqual(uptodate, outofdate)
self.assertLessEqual(outofdate, uptodate)
# Make out of date more and more out of date.
# To ensure both different terms and different lengths.
while outofdate.lastApplied > 0:
outofdate.truncate(outofdate.lastApplied)
self.assertNotEqual(uptodate, outofdate)
self.assertGreater(uptodate, outofdate)
self.assertLess(outofdate, uptodate)
def test_log_more_up_to_date(self):
"""
Test figuring out which log is more up to date
"""
outofdate = WriteLog()
uptodate = WriteLog()
# Add some log records
version = 0
for term in xrange(1, 5):
for x in xrange(1, 10):
version += 1
outofdate.append(version, term)
uptodate.append(version, term)
# Make sure they're greater/less equal to start
self.assertEqual(uptodate, outofdate)
self.assertGreaterEqual(uptodate, outofdate)
self.assertLessEqual(outofdate, uptodate)
# Make out of date more and more out of date.
# To ensure both different terms and different lengths.
while outofdate.lastApplied > 0:
outofdate.truncate(outofdate.lastApplied)
self.assertNotEqual(uptodate, outofdate)
self.assertGreater(uptodate, outofdate)
self.assertLess(outofdate, uptodate)
def test_log_empty(self):
"""
Test completely empty a log
"""
log = WriteLog()
version = 0
for term in xrange(1, 5):
for x in xrange(1, 10):
version += 1
log.append(version, term)
self.assertEqual(log.lastApplied, len(log) - 1)
self.assertEqual(log.lastVersion, version)
self.assertEqual(log.lastTerm, 4)
log.truncate()
self.assertEqual(log.lastApplied, 0)
self.assertEqual(log.lastVersion, None)
self.assertEqual(log.lastTerm, 0)
self.assertEqual(log[0], NullEntry)
def test_log_truncate(self):
"""
Test truncating a write log
"""
log = WriteLog()
version = 0
for term in xrange(1, 5):
for x in xrange(1, 10):
version += 1
log.append(version, term)
self.assertEqual(log.lastApplied, len(log) - 1)
self.assertEqual(log.lastVersion, version)
self.assertEqual(log.lastTerm, 4)
log.truncate(30)
self.assertEqual(len(log), 30)
self.assertEqual(log.lastApplied, len(log) - 1)
self.assertEqual(log.lastVersion, version-7)
self.assertEqual(log.lastTerm, 4)
def test_log_empty(self):
"""
Test completely empty a log
"""
log = WriteLog()
version = 0
for term in xrange(1, 5):
for x in xrange(1, 10):
version += 1
log.append(version, term)
self.assertEqual(log.lastApplied, len(log) - 1)
self.assertEqual(log.lastVersion, version)
self.assertEqual(log.lastTerm, 4)
log.truncate()
self.assertEqual(log.lastApplied, 0)
self.assertEqual(log.lastVersion, None)
self.assertEqual(log.lastTerm, 0)
self.assertEqual(log[0], NullEntry)
def test_log_truncate(self):
"""
Test truncating a write log
"""
log = WriteLog()
version = 0
for term in xrange(1, 5):
for x in xrange(1, 10):
version += 1
log.append(version, term)
self.assertEqual(log.lastApplied, len(log) - 1)
self.assertEqual(log.lastVersion, version)
self.assertEqual(log.lastTerm, 4)
log.truncate(30)
self.assertEqual(len(log), 30)
self.assertEqual(log.lastApplied, len(log) - 1)
self.assertEqual(log.lastVersion, version - 7)
self.assertEqual(log.lastTerm, 4)