def test_50_lockdir_representation(self):
"""Check the on-disk representation of LockDirs is as expected.
There should always be a top-level directory named by the lock.
When the lock is held, there should be a lockname/held directory
containing an info file.
"""
t = self.get_transport()
lf1 = LockDir(t, 'test_lock')
lf1.create()
self.assertTrue(t.has('test_lock'))
lf1.lock_write()
self.assertTrue(t.has('test_lock/held/info'))
lf1.unlock()
self.assertFalse(t.has('test_lock/held/info'))
def test_50_lockdir_representation(self):
"""Check the on-disk representation of LockDirs is as expected.
There should always be a top-level directory named by the lock.
When the lock is held, there should be a lockname/held directory
containing an info file.
"""
t = self.get_transport()
lf1 = LockDir(t, 'test_lock')
lf1.create()
self.assertTrue(t.has('test_lock'))
lf1.lock_write()
self.assertTrue(t.has('test_lock/held/info'))
lf1.unlock()
self.assertFalse(t.has('test_lock/held/info'))
def test_34_lock_write_waits(self):
"""LockDir.lock_write() will wait for the lock."""
# the test suite sets the default to 0 to make deadlocks fail fast.
# change it for this test, as we want to try a manual deadlock.
raise tests.TestSkipped('Timing-sensitive test')
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 300
t = self.get_transport()
lf1 = LockDir(t, 'test_lock')
lf1.create()
lf1.attempt_lock()
def wait_and_unlock():
time.sleep(0.1)
lf1.unlock()
unlocker = Thread(target=wait_and_unlock)
unlocker.start()
try:
lf2 = LockDir(t, 'test_lock')
self.setup_log_reporter(lf2)
before = time.time()
# wait and then lock
lf2.lock_write()
after = time.time()
finally:
unlocker.join()
# There should be only 1 report, even though it should have to
# wait for a while
lock_base = lf2.transport.abspath(lf2.path)
self.assertEqual(1, len(self._logged_reports))
self.assertEqual(
'%s %s\n'
'%s\n%s\n'
'Will continue to try until %s\n', self._logged_reports[0][0])
args = self._logged_reports[0][1]
self.assertEqual('Unable to obtain', args[0])
self.assertEqual('lock %s' % (lock_base, ), args[1])
self.assertStartsWith(args[2], 'held by ')
self.assertStartsWith(args[3], 'locked ')
self.assertEndsWith(args[3], ' ago')
self.assertContainsRe(args[4], r'\d\d:\d\d:\d\d')
def test_34_lock_write_waits(self):
"""LockDir.lock_write() will wait for the lock."""
# the test suite sets the default to 0 to make deadlocks fail fast.
# change it for this test, as we want to try a manual deadlock.
raise tests.TestSkipped('Timing-sensitive test')
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 300
t = self.get_transport()
lf1 = LockDir(t, 'test_lock')
lf1.create()
lf1.attempt_lock()
def wait_and_unlock():
time.sleep(0.1)
lf1.unlock()
unlocker = Thread(target=wait_and_unlock)
unlocker.start()
try:
lf2 = LockDir(t, 'test_lock')
self.setup_log_reporter(lf2)
before = time.time()
# wait and then lock
lf2.lock_write()
after = time.time()
finally:
unlocker.join()
# There should be only 1 report, even though it should have to
# wait for a while
lock_base = lf2.transport.abspath(lf2.path)
self.assertEqual(1, len(self._logged_reports))
self.assertEqual('%s %s\n'
'%s\n%s\n'
'Will continue to try until %s\n',
self._logged_reports[0][0])
args = self._logged_reports[0][1]
self.assertEqual('Unable to obtain', args[0])
self.assertEqual('lock %s' % (lock_base,), args[1])
self.assertStartsWith(args[2], 'held by ')
self.assertStartsWith(args[3], 'locked ')
self.assertEndsWith(args[3], ' ago')
self.assertContainsRe(args[4], r'\d\d:\d\d:\d\d')
def test_create_missing_base_directory(self):
"""If LockDir.path doesn't exist, it can be created
Some people manually remove the entire lock/ directory trying
to unlock a stuck repository/branch/etc. Rather than failing
after that, just create the lock directory when needed.
"""
t = self.get_transport()
lf1 = LockDir(t, 'test_lock')
lf1.create()
self.assertTrue(t.has('test_lock'))
t.rmdir('test_lock')
self.assertFalse(t.has('test_lock'))
# This will create 'test_lock' if it needs to
lf1.lock_write()
self.assertTrue(t.has('test_lock'))
self.assertTrue(t.has('test_lock/held/info'))
lf1.unlock()
self.assertFalse(t.has('test_lock/held/info'))
def test_create_missing_base_directory(self):
"""If LockDir.path doesn't exist, it can be created
Some people manually remove the entire lock/ directory trying
to unlock a stuck repository/branch/etc. Rather than failing
after that, just create the lock directory when needed.
"""
t = self.get_transport()
lf1 = LockDir(t, 'test_lock')
lf1.create()
self.assertTrue(t.has('test_lock'))
t.rmdir('test_lock')
self.assertFalse(t.has('test_lock'))
# This will create 'test_lock' if it needs to
lf1.lock_write()
self.assertTrue(t.has('test_lock'))
self.assertTrue(t.has('test_lock/held/info'))
lf1.unlock()
self.assertFalse(t.has('test_lock/held/info'))
