+ @skipIfNotAlive
+ def t_concurrency(self, host, user):
+ from neco.execution.resource import ResourceFactory
+
+ ResourceFactory.register_type(LinuxNode)
+ ResourceFactory.register_type(LinuxApplication)
+
+ ec = ExperimentController()
+
+ node = ec.register_resource("LinuxNode")
+ ec.set(node, "hostname", host)
+ ec.set(node, "username", user)
+ ec.set(node, "cleanHome", True)
+ ec.set(node, "cleanProcesses", True)
+
+ apps = list()
+ for i in xrange(50):
+ app = ec.register_resource("LinuxApplication")
+ cmd = "ping -c5 %s" % self.target
+ ec.set(app, "command", cmd)
+ ec.register_connection(app, node)
+ apps.append(app)
+
+ try:
+ ec.deploy()
+
+ while not all([ec.state(guid) == ResourceState.FINISHED \
+ for guid in apps]):
+ time.sleep(0.5)
+
+ self.assertTrue(ec.state(node) == ResourceState.STARTED)
+ self.assertTrue(
+ all([ec.state(guid) == ResourceState.FINISHED \
+ for guid in apps])
+ )
+
+ for app in apps:
+ stdout = ec.trace(app, 'stdout')
+ size = ec.trace(app, 'stdout', attr = TraceAttr.SIZE)
+ self.assertEquals(len(stdout), size)
+
+ block = ec.trace(app, 'stdout', attr = TraceAttr.STREAM, block = 5, offset = 1)
+ self.assertEquals(block, stdout[5:10])
+
+ path = ec.trace(app, 'stdout', attr = TraceAttr.PATH)
+ rm = ec.get_resource(app)
+ p = os.path.join(rm.home, 'stdout')
+ self.assertEquals(path, p)
+
+ finally:
+ ec.shutdown()
+
+ def test_ping_fedora(self):