def test_open_remove(self):
'''Lockfile create and destroy'''
l = LockFile(self.locktmp)
self.assertIsNotNone(l, "Object created")
self.assertTrue(os.path.isfile(self.locktmp), "Lockfile created")
l.remove()
self.assertFalse(os.path.isfile(self.locktmp), "Lockfile removed")
def test_open_remove(self):
'''Lockfile create and destroy'''
l = LockFile(self.locktmp)
self.assertIsNotNone(l, "Object created")
self.assertTrue(os.path.isfile(self.locktmp), "Lockfile created")
l.remove()
self.assertFalse(os.path.isfile(self.locktmp), "Lockfile removed")
def test_open_multi(self):
'''Lockfile multi-open failure'''
l1 = LockFile(self.locktmp)
self.assertIsNotNone(l1, "Object created")
self.assertTrue(os.path.isfile(self.locktmp), "Lockfile created")
with self.assertRaises(OSError):
LockFile(self.locktmp)
l1.remove()
self.assertFalse(os.path.isfile(self.locktmp), "Lockfile removed")
def test_open_multi(self):
'''Lockfile multi-open failure'''
l1 = LockFile(self.locktmp)
self.assertIsNotNone(l1, "Object created")
self.assertTrue(os.path.isfile(self.locktmp), "Lockfile created")
with self.assertRaises(OSError):
LockFile(self.locktmp)
l1.remove()
self.assertFalse(os.path.isfile(self.locktmp), "Lockfile removed")
def test_open_destructor(self):
'''Lockfile auto-destroy'''
l = LockFile(self.locktmp)
self.assertIsNotNone(l, "Object created")
self.assertTrue(os.path.isfile(self.locktmp), "Lockfile created")
l = None
self.assertFalse(os.path.isfile(self.locktmp), "Lockfile removed")
def test_lockfile_detect_corrupt_pid(self):
'''Notice when the lockfile PID is bogus.'''
self._create_bogus_lockfile(self.locktmp, lockself=True, badpid=True)
with self.assertRaises(Exception):
LockFile(self.locktmp)
def test_lockfile_alive_nobreak(self):
'''Don't break the lockfile when we're the process holding it'''
self._create_bogus_lockfile(self.locktmp, lockself=True)
# This should fail - it's this process' lockfile.
with self.assertRaises(OSError):
LockFile(self.locktmp, break_dead_lockfile=True)
def test_lockfile_detect_corrupt_lockfile_length(self):
'''Notice when the lockfile isn't two lines long'''
self._create_bogus_lockfile(self.locktmp,
lockself=True,
shortfile=True)
with self.assertRaises(Exception):
LockFile(self.locktmp)
def test_lockfile_dead_nobreak(self):
'''When instructed, don't remove dead process lockfile'''
self._create_bogus_lockfile(self.locktmp)
# This should raise, as we've told it not to remove the lockfile
# when normally it would be removed.
with self.assertRaises(OSError):
LockFile(self.locktmp, break_dead_lockfile=False)
def test_lock_in_non_dir(self):
'''Shouldn't try to create a lockfile under a non-directory'''
regfilename = os.path.join(self.topdir, 'not_a_directory')
regfile_subdir_lock = os.path.join(regfilename, 'bad')
regfile = open(regfilename, 'w')
print("hello", file=regfile)
regfile.close()
self.assertTrue(os.path.isfile(regfilename), 'Regular file created')
with self.assertRaises(NotADirectoryError):
LockFile(regfile_subdir_lock)
os.unlink(regfilename)
