def test_reset_character_sequence(self):
"""
Ensure that a sequence can be reset
"""
sequence = CharacterSequence()
for idx in xrange(27): sequence.next()
self.assertEqual(sequence.value, "aa")
sequence.reset()
self.assertEqual(sequence.next(), "a")
def test_reset_character_sequence(self):
"""
Ensure that a sequence can be reset
"""
sequence = CharacterSequence()
for idx in xrange(27):
sequence.next()
self.assertEqual(sequence.value, "aa")
sequence.reset()
self.assertEqual(sequence.next(), "a")
def test_log_index(self):
"""
Test finding the index of a version in a log
"""
versions = CharacterSequence(upper=True)
log = WriteLog()
for term in xrange(5):
for _ in xrange(10):
log.append(versions.next(), term)
versions.reset()
for idx in xrange(1, len(log)):
version = versions.next()
self.assertEqual(log.index(version), idx)
self.assertEqual(log[log.index(version)].version, version)
def test_log_index(self):
"""
Test finding the index of a version in a log
"""
versions = CharacterSequence(upper=True)
log = WriteLog()
for term in xrange(5):
for _ in xrange(10):
log.append(versions.next(), term)
versions.reset()
for idx in xrange(1, len(log)):
version = versions.next()
self.assertEqual(log.index(version), idx)
self.assertEqual(log[log.index(version)].version, version)
def test_log_remove(self):
"""
Test the remove of an item from a log
"""
log = WriteLog()
versions = CharacterSequence(upper=True)
for term in xrange(5):
for _ in xrange(10):
log.append(versions.next(), term)
loglen = len(log)
versions.reset()
for idx in xrange(1, loglen):
version = versions.next()
self.assertEqual(version, log.remove(version), "log must return the removed version")
self.assertEqual(len(log), loglen-idx, "log must decrease in size")
self.assertNotIn(version, log, "log must not contain version")
def test_log_remove(self):
"""
Test the remove of an item from a log
"""
log = WriteLog()
versions = CharacterSequence(upper=True)
for term in xrange(5):
for _ in xrange(10):
log.append(versions.next(), term)
loglen = len(log)
versions.reset()
for idx in xrange(1, loglen):
version = versions.next()
self.assertEqual(version, log.remove(version),
"log must return the removed version")
self.assertEqual(len(log), loglen - idx,
"log must decrease in size")
self.assertNotIn(version, log, "log must not contain version")
