def setUp(self):
dsn = os.environ.get("DATABASE_URL")
self.former = Lock("tusk", dsn or "postgres://localhost:5432/tusk")
self.latter = Lock("tusk", dsn or "postgres://localhost:5432/tusk")
def setUp(self):
dsn = os.environ.get("DATABASE_URL")
self.former = Lock("tusk", dsn or "postgres://localhost/tusk")
self.latter = Lock("tusk", dsn or "postgres://localhost/tusk")
class TuskTest(TestCase):
def setUp(self):
dsn = os.environ.get("DATABASE_URL")
self.former = Lock("tusk", dsn or "postgres://localhost:5432/tusk")
self.latter = Lock("tusk", dsn or "postgres://localhost:5432/tusk")
def test_acquire_release(self):
self.former.acquire()
self.assertTrue(not self.latter.acquire(blocking=False))
self.assertTrue(self.former.release())
self.assertTrue(self.latter.acquire(blocking=False))
def test_context_manager(self):
with self.former:
self.assertTrue(not self.latter.acquire(blocking=False))
self.assertTrue(self.latter.acquire(blocking=False))
def test_unlock_unheld_lock(self):
self.assertFalse(self.former.release())
self.former.acquire()
self.assertTrue(self.former.release())
self.assertFalse(self.former.release())
def test_consecutive_acquire(self):
# If a session already holds a given advisory lock,
# additional requests by it will always succeed,
# even if other sessions are awaiting the lock
self.former.acquire()
self.assertTrue(self.former.acquire())
self.assertTrue(not self.latter.acquire(blocking=False))
self.assertTrue(self.former.release())
self.assertTrue(self.former.release())
self.assertFalse(self.former.release())
self.assertTrue(self.latter.acquire(blocking=False))
def tearDown(self):
self.former.release()
self.latter.release()
class TuskTest(TestCase):
def setUp(self):
dsn = os.environ.get("DATABASE_URL")
self.former = Lock("tusk", dsn or "postgres://localhost/tusk")
self.latter = Lock("tusk", dsn or "postgres://localhost/tusk")
def test_acquire_release(self):
self.former.acquire()
self.assertTrue(not self.latter.acquire(blocking=False))
self.assertTrue(self.former.release())
self.assertTrue(self.latter.acquire(blocking=False))
def test_context_manager(self):
with self.former:
self.assertTrue(not self.latter.acquire(blocking=False))
self.assertTrue(self.latter.acquire(blocking=False))
def test_unlock_unheld_lock(self):
self.assertFalse(self.former.release())
self.former.acquire()
self.assertTrue(self.former.release())
self.assertFalse(self.former.release())
def test_consecutive_acquire(self):
# If a session already holds a given advisory lock,
# additional requests by it will always succeed,
# even if other sessions are awaiting the lock
self.former.acquire()
self.assertTrue(self.former.acquire())
self.assertTrue(not self.latter.acquire(blocking=False))
self.assertTrue(self.former.release())
self.assertTrue(self.former.release())
self.assertFalse(self.former.release())
self.assertTrue(self.latter.acquire(blocking=False))
def tearDown(self):
self.former.release()
self.latter.release()