private int runAndBlock(ContainerId cId, String... cmd) throws IOException { String appId = "APP_" + getNextId(); Container container = mock(Container.class); ContainerLaunchContext context = mock(ContainerLaunchContext.class); HashMap<String, String> env = new HashMap<String, String>(); when(container.getContainerId()).thenReturn(cId); when(container.getLaunchContext()).thenReturn(context); when(context.getEnvironment()).thenReturn(env); String script = writeScriptFile(cmd); Path scriptPath = new Path(script); Path tokensPath = new Path("/dev/null"); Path workDir = new Path(workSpace.getAbsolutePath()); Path pidFile = new Path(workDir, "pid.txt"); exec.activateContainer(cId, pidFile); return exec.launchContainer( container, scriptPath, tokensPath, appSubmitter, appId, workDir, dirsHandler.getLocalDirs(), dirsHandler.getLogDirs()); }