testing/process/test_killproc.py

import pytest
import sys
import py


@pytest.mark.skipif("sys.platform.startswith('java')")
def test_kill(tmpdir):
    subprocess = pytest.importorskip("subprocess")
    t = tmpdir.join("t.py")
    t.write("import time ; time.sleep(100)")
    proc = subprocess.Popen([sys.executable, str(t)])
    assert proc.poll() is None  # no return value yet
    py.process.kill(proc.pid)
    ret = proc.wait()
    if sys.platform == "win32" and ret == 0:
        pytest.skip("XXX on win32, subprocess.Popen().wait() on a killed "
                    "process does not yield return value != 0")
    assert ret != 0