test__orderedbuffer.py 文件源码

def test_append(self):
        b = OrderedBuffer(3, numpy.dtype(numpy.int8))

        data = b.append(9)
        self.assertEqual(data, 9)
        self.assertIsInstance(data, numpy.int8)
        self.assertEqual(len(b), 1)
        self.assertEqual([chunk.tolist() for chunk in b.chunks], [[9]])

        data = b.append(1)
        self.assertIsInstance(data, numpy.int8)
        self.assertEqual(len(b), 2)
        self.assertEqual([chunk.tolist() for chunk in b.chunks], [[9, 1]])

        data = b.append(4)
        self.assertIsInstance(data, numpy.int8)
        self.assertEqual(len(b), 3)
        self.assertEqual([chunk.tolist() for chunk in b.chunks], [[9, 1, 4]])

        data = b.append(0)
        self.assertIsInstance(data, numpy.int8)
        self.assertEqual(len(b), 4)
        self.assertEqual([chunk.tolist() for chunk in b.chunks], [[9, 1, 4], [0]])