test_process.py 文件源码

def testManyProcesses(self):

        def _check(results, protocols):
            for p in protocols:
                self.assertEquals(p.stages, [1, 2, 3, 4, 5], "[%d] stages = %s" % (id(p.transport), str(p.stages)))
                # test status code
                f = p.reason
                f.trap(error.ProcessTerminated)
                self.assertEquals(f.value.exitCode, 23)

        exe = sys.executable
        scriptPath = util.sibpath(__file__, "process_tester.py")
        args = [exe, "-u", scriptPath]
        protocols = []
        deferreds = []

        for i in xrange(50):
            p = TestManyProcessProtocol()
            protocols.append(p)
            reactor.spawnProcess(p, exe, args, env=None)
            deferreds.append(p.deferred)

        deferredList = defer.DeferredList(deferreds, consumeErrors=True)
        deferredList.addCallback(_check, protocols)
        return deferredList