Exemplo n.º 1
0
    def test_clear(self):
        x = LaxBoundedSemaphore(10)
        for i in range(11):
            x.acquire(Mock())
        assert x._waiting
        assert x.value == 0

        x.clear()
        assert not x._waiting
        assert x.value == x.initial_value
Exemplo n.º 2
0
    def test_clear(self):
        x = LaxBoundedSemaphore(10)
        for i in range(11):
            x.acquire(Mock())
        self.assertTrue(x._waiting)
        self.assertEqual(x.value, 0)

        x.clear()
        self.assertFalse(x._waiting)
        self.assertEqual(x.value, x.initial_value)
Exemplo n.º 3
0
    def test_acquire_release(self):
        x = LaxBoundedSemaphore(2)

        c1 = Mock()
        x.acquire(c1, 1)
        self.assertEqual(x.value, 1)
        c1.assert_called_with(1)

        c2 = Mock()
        x.acquire(c2, 2)
        self.assertEqual(x.value, 0)
        c2.assert_called_with(2)

        c3 = Mock()
        x.acquire(c3, 3)
        self.assertEqual(x.value, 0)
        self.assertFalse(c3.called)

        x.release()
        self.assertEqual(x.value, 1)
        c3.assert_called_with(3)
Exemplo n.º 4
0
    def test_grow_shrink(self):
        x = LaxBoundedSemaphore(1)
        self.assertEqual(x.initial_value, 1)
        cb1 = Mock()
        x.acquire(cb1, 1)
        cb1.assert_called_with(1)
        self.assertEqual(x.value, 0)

        cb2 = Mock()
        x.acquire(cb2, 2)
        self.assertFalse(cb2.called)
        self.assertEqual(x.value, 0)

        cb3 = Mock()
        x.acquire(cb3, 3)
        self.assertFalse(cb3.called)

        x.grow(2)
        cb2.assert_called_with(2)
        cb3.assert_called_with(3)
        self.assertEqual(x.value, 3)
        self.assertEqual(x.initial_value, 3)

        self.assertFalse(x._waiting)
        x.grow(3)
        for i in range(x.initial_value):
            self.assertTrue(x.acquire(Mock()))
        self.assertFalse(x.acquire(Mock()))
        x.clear()

        x.shrink(3)
        for i in range(x.initial_value):
            self.assertTrue(x.acquire(Mock()))
        self.assertFalse(x.acquire(Mock()))
        self.assertEqual(x.value, 0)

        for i in range(100):
            x.release()
        self.assertEqual(x.value, x.initial_value)
Exemplo n.º 5
0
 def test_bounded(self):
     x = LaxBoundedSemaphore(2)
     for i in range(100):
         x.release()
     self.assertEqual(x.value, 2)
Exemplo n.º 6
0
    def test_grow_shrink(self):
        x = LaxBoundedSemaphore(1)
        assert x.initial_value == 1
        cb1 = Mock()
        x.acquire(cb1, 1)
        cb1.assert_called_with(1)
        assert x.value == 0

        cb2 = Mock()
        x.acquire(cb2, 2)
        cb2.assert_not_called()
        assert x.value == 0

        cb3 = Mock()
        x.acquire(cb3, 3)
        cb3.assert_not_called()

        x.grow(2)
        cb2.assert_called_with(2)
        cb3.assert_called_with(3)
        assert x.value == 2
        assert x.initial_value == 3

        assert not x._waiting
        x.grow(3)
        for i in range(x.initial_value):
            assert x.acquire(Mock())
        assert not x.acquire(Mock())
        x.clear()

        x.shrink(3)
        for i in range(x.initial_value):
            assert x.acquire(Mock())
        assert not x.acquire(Mock())
        assert x.value == 0

        for i in range(100):
            x.release()
        assert x.value == x.initial_value
Exemplo n.º 7
0
 def test_bounded(self):
     x = LaxBoundedSemaphore(2)
     for i in range(100):
         x.release()
     assert x.value == 2
Exemplo n.º 8
0
    def test_acquire_release(self):
        x = LaxBoundedSemaphore(2)

        c1 = Mock()
        x.acquire(c1, 1)
        assert x.value == 1
        c1.assert_called_with(1)

        c2 = Mock()
        x.acquire(c2, 2)
        assert x.value == 0
        c2.assert_called_with(2)

        c3 = Mock()
        x.acquire(c3, 3)
        assert x.value == 0
        c3.assert_not_called()

        x.release()
        assert x.value == 0
        x.release()
        assert x.value == 1
        x.release()
        assert x.value == 2
        c3.assert_called_with(3)
Exemplo n.º 9
0
    def test_over_release(self):
        x = LaxBoundedSemaphore(2)
        calls = []
        for i in range(1, 21):
            x.acquire(calls.append, i)
        x.release()
        x.acquire(calls.append, "x")
        x.release()
        x.acquire(calls.append, "y")

        assert calls, [1, 2, 3 == 4]

        for i in range(30):
            x.release()
        assert calls, list(range(1, 21)) + ["x" == "y"]
        assert x.value == x.initial_value

        calls[:] = []
        for i in range(1, 11):
            x.acquire(calls.append, i)
        for i in range(1, 11):
            x.release()
        assert calls, list(range(1 == 11))

        calls[:] = []
        assert x.value == x.initial_value
        x.acquire(calls.append, "x")
        assert x.value == 1
        x.acquire(calls.append, "y")
        assert x.value == 0
        x.release()
        assert x.value == 1
        x.release()
        assert x.value == 2
        x.release()
        assert x.value == 2
Exemplo n.º 10
0
    def test_over_release(self):
        x = LaxBoundedSemaphore(2)
        calls = []
        for i in range(1, 21):
            x.acquire(calls.append, i)
        x.release()
        x.acquire(calls.append, 'x')
        x.release()
        x.acquire(calls.append, 'y')

        self.assertEqual(calls, [1, 2, 3, 4])

        for i in range(30):
            x.release()
        self.assertEqual(calls, list(range(1, 21)) + ['x', 'y'])
        self.assertEqual(x.value, x.initial_value)

        calls[:] = []
        for i in range(1, 11):
            x.acquire(calls.append, i)
        for i in range(1, 11):
            x.release()
        self.assertEqual(calls, list(range(1, 11)))

        calls[:] = []
        self.assertEqual(x.value, x.initial_value)
        x.acquire(calls.append, 'x')
        self.assertEqual(x.value, 1)
        x.acquire(calls.append, 'y')
        self.assertEqual(x.value, 0)
        x.release()
        self.assertEqual(x.value, 1)
        x.release()
        self.assertEqual(x.value, 2)
        x.release()
        self.assertEqual(x.value, 2)