Пример #1
0
    def test_read_write(self):
        """Test read/write."""
        self.fd = os.open('test_lio_file', os.O_RDWR|os.O_CREAT|os.O_TRUNC)

        # Simple 1-byte test.
        self._read_write(['a'])

        # Test 3 blocks in 1 batch.
        data = [ os.urandom(coro.MAX_AIO_SIZE),
                 os.urandom(coro.MAX_AIO_SIZE),
                 os.urandom(int(coro.MAX_AIO_SIZE * 0.6)),
               ]
        self._read_write(data)

        # Test various numbers of full batches.
        for n in xrange(1, 5):
            data = [ os.urandom(coro.MAX_AIO_SIZE) for x in xrange(coro.MAX_LIO*n) ]
            self._read_write(data)

        # Test offset read/write.
        data = [ os.urandom(coro.MAX_AIO_SIZE) for x in xrange(3) ]
        total_bytes = reduce(operator.add, map(len, data))
        coro.many_lio_writes(self.fd, 0, data)
        a = coro.many_lio_reads(self.fd, 512, total_bytes-512)
        expected_data = ''.join(data)[512:]
        actual_data = ''.join(a)
        self.assertEqual(actual_data, expected_data)

        coro.many_lio_writes(self.fd, 1024, ['hi there'])
        a = coro.many_lio_reads(self.fd, 1024, 8)
        self.assertEqual(a, ['hi there'])
Пример #2
0
    def test_read_write(self):
        """Test read/write."""
        self.fd = os.open('test_lio_file', os.O_RDWR | os.O_CREAT | os.O_TRUNC)

        # Simple 1-byte test.
        self._read_write(['a'])

        # Test 3 blocks in 1 batch.
        data = [
            os.urandom(coro.MAX_AIO_SIZE),
            os.urandom(coro.MAX_AIO_SIZE),
            os.urandom(int(coro.MAX_AIO_SIZE * 0.6)),
        ]
        self._read_write(data)

        # Test various numbers of full batches.
        for n in xrange(1, 5):
            data = [
                os.urandom(coro.MAX_AIO_SIZE) for x in xrange(coro.MAX_LIO * n)
            ]
            self._read_write(data)

        # Test offset read/write.
        data = [os.urandom(coro.MAX_AIO_SIZE) for x in xrange(3)]
        total_bytes = reduce(operator.add, map(len, data))
        coro.many_lio_writes(self.fd, 0, data)
        a = coro.many_lio_reads(self.fd, 512, total_bytes - 512)
        expected_data = ''.join(data)[512:]
        actual_data = ''.join(a)
        self.assertEqual(actual_data, expected_data)

        coro.many_lio_writes(self.fd, 1024, ['hi there'])
        a = coro.many_lio_reads(self.fd, 1024, 8)
        self.assertEqual(a, ['hi there'])
Пример #3
0
 def _read_write(self, data):
     total_bytes = reduce(operator.add, map(len, data))
     n = coro.many_lio_writes(self.fd, 0, data)
     self.assertEqual(n, total_bytes)
     a = coro.many_lio_reads(self.fd, 0, total_bytes)
     self.assertEqual(a, data)
     os.ftruncate(self.fd, 0)
Пример #4
0
 def _read_write(self, data):
     total_bytes = reduce(operator.add, map(len, data))
     n = coro.many_lio_writes(self.fd, 0, data)
     self.assertEqual(n, total_bytes)
     a = coro.many_lio_reads(self.fd, 0, total_bytes)
     self.assertEqual(a, data)
     os.ftruncate(self.fd, 0)