test_kernel.py 文件源码

def test_subprocess_error():
    """error in mp.Process doesn't crash"""
    with new_kernel() as kc:
        iopub = kc.iopub_channel

        code = '\n'.join([
            "import multiprocessing as mp",
            "p = mp.Process(target=int, args=('hi',))",
            "p.start()",
            "p.join()",
        ])

        msg_id, content = execute(kc=kc, code=code)
        stdout, stderr = assemble_output(iopub)
        nt.assert_equal(stdout, '')
        nt.assert_true("ValueError" in stderr, stderr)

        _check_master(kc, expected=True)
        _check_master(kc, expected=True, stream="stderr")

# raw_input tests