Python CounterCell.get_cumulative Examples

Example #1

File: cells_test.py Project: fernando-wizeline/beam

    def test_basic_operations(self):
        c = CounterCell()
        c.inc(2)
        self.assertEqual(c.get_cumulative(), 2)

        c.dec(10)
        self.assertEqual(c.get_cumulative(), -8)

        c.dec()
        self.assertEqual(c.get_cumulative(), -9)

        c.inc()
        self.assertEqual(c.get_cumulative(), -8)

Example #2

File: cells_test.py Project: JavierRoger/beam

  def test_basic_operations(self):
    c = CounterCell()
    c.inc(2)
    self.assertEqual(c.get_cumulative(), 2)

    c.dec(10)
    self.assertEqual(c.get_cumulative(), -8)

    c.dec()
    self.assertEqual(c.get_cumulative(), -9)

    c.inc()
    self.assertEqual(c.get_cumulative(), -8)

Example #3

File: cells_test.py Project: amarouni/incubator-beam

  def test_parallel_access(self):
    # We create NUM_THREADS threads that concurrently modify the counter.
    threads = []
    c = CounterCell()
    for _ in range(TestCounterCell.NUM_THREADS):
      t = threading.Thread(target=TestCounterCell._modify_counter,
                           args=(c,))
      threads.append(t)
      t.start()

    for t in threads:
      t.join()

    total = (self.NUM_ITERATIONS * (self.NUM_ITERATIONS-1)/2 * self.NUM_THREADS)
    self.assertEqual(c.get_cumulative(), total)

Example #4

File: cells_test.py Project: fernando-wizeline/beam

    def test_parallel_access(self):
        # We create NUM_THREADS threads that concurrently modify the counter.
        threads = []
        c = CounterCell()
        for _ in range(TestCounterCell.NUM_THREADS):
            t = threading.Thread(target=TestCounterCell._modify_counter,
                                 args=(c, ))
            threads.append(t)
            t.start()

        for t in threads:
            t.join()

        total = (self.NUM_ITERATIONS * (self.NUM_ITERATIONS - 1) // 2 *
                 self.NUM_THREADS)
        self.assertEqual(c.get_cumulative(), total)