def test_stale_lock_with_fail(self): l1 = CassandraDistributedRowLock( self.pool, TEST_CF, "test_stale_lock", ttl=TEST_TTL, consistency_level=ConsistencyLevel.ONE, timeout=1.0 ) l2 = CassandraDistributedRowLock( self.pool, TEST_CF, "test_stale_lock", ttl=TEST_TTL, consistency_level=ConsistencyLevel.ONE, timeout=9.0, fail_on_stale_lock=True ) try: l1.acquire() time.sleep(2) try: l2.acquire() assert False, "derp" except StaleLockException: print 'things are working smoothly' except: raise finally: l2.release() except: raise finally: l2.release()
def test_stale_lock(self): l1 = CassandraDistributedRowLock( self.pool, TEST_CF, "test_stale_lock", ttl=TEST_TTL, consistency_level=ConsistencyLevel.ONE, timeout=1.0 ) l2 = CassandraDistributedRowLock( self.pool, TEST_CF, "test_stale_lock", ttl=TEST_TTL, consistency_level=ConsistencyLevel.ONE, timeout=9.0 ) try: l1.acquire() time.sleep(5) try: l2.acquire() except: raise finally: l2.release() except: raise finally: l1.release()
def test_ttl(self): l = CassandraDistributedRowLock( self.pool, TEST_CF, "test_ttl", ttl=2.0, consistency_level=ConsistencyLevel.ONE, timeout=1.0 ) try: l.acquire() self.assertEqual(1, len(l.read_lock_columns())) time.sleep(3) self.assertEqual(0, len(l.read_lock_columns())) except: raise finally: l.release() self.assertEqual(0, len(l.read_lock_columns()))