Example #1
0
        public async Task <int> RunAsync()
        {
            CrashReportSnapshot crash_reports;
            Log device_system_log = null;
            Log listener_log      = null;
            Log run_log           = main_log;

            Initialize();

            if (!isSimulator)
            {
                FindDevice();
            }

            crash_reports = new CrashReportSnapshot()
            {
                Device       = !isSimulator,
                DeviceName   = device_name,
                Harness      = Harness,
                Log          = main_log,
                Logs         = Logs,
                LogDirectory = LogDirectory,
            };

            var args = new StringBuilder();

            if (!string.IsNullOrEmpty(Harness.XcodeRoot))
            {
                args.Append(" --sdkroot ").Append(Harness.XcodeRoot);
            }
            for (int i = -1; i < Harness.Verbosity; i++)
            {
                args.Append(" -v ");
            }
            args.Append(" -argument=-connection-mode -argument=none");              // This will prevent the app from trying to connect to any IDEs
            args.Append(" -argument=-app-arg:-autostart");
            args.Append(" -setenv=NUNIT_AUTOSTART=true");
            args.Append(" -argument=-app-arg:-autoexit");
            args.Append(" -setenv=NUNIT_AUTOEXIT=true");
            args.Append(" -argument=-app-arg:-enablenetwork");
            args.Append(" -setenv=NUNIT_ENABLE_NETWORK=true");
            // detect if we are using a jenkins bot.
            var useXmlOutput = Harness.InJenkins;

            if (useXmlOutput)
            {
                args.Append(" -setenv=NUNIT_ENABLE_XML_OUTPUT=true");
                args.Append(" -setenv=NUNIT_ENABLE_XML_MODE=wrapped");
            }

            if (!Harness.IncludeSystemPermissionTests)
            {
                args.Append(" -setenv=DISABLE_SYSTEM_PERMISSION_TESTS=1");
            }

            if (isSimulator)
            {
                args.Append(" -argument=-app-arg:-hostname:127.0.0.1");
                args.Append(" -setenv=NUNIT_HOSTNAME=127.0.0.1");
            }
            else
            {
                var ips         = new StringBuilder();
                var ipAddresses = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList;
                for (int i = 0; i < ipAddresses.Length; i++)
                {
                    if (i > 0)
                    {
                        ips.Append(',');
                    }
                    ips.Append(ipAddresses [i].ToString());
                }

                args.AppendFormat(" -argument=-app-arg:-hostname:{0}", ips.ToString());
                args.AppendFormat(" -setenv=NUNIT_HOSTNAME={0}", ips.ToString());
            }
            string transport;

            if (mode == "watchos")
            {
                transport = isSimulator ? "FILE" : "HTTP";
            }
            else
            {
                transport = "TCP";
            }
            args.AppendFormat(" -argument=-app-arg:-transport:{0}", transport);
            args.AppendFormat(" -setenv=NUNIT_TRANSPORT={0}", transport);

            listener_log = Logs.Create($"test-{mode}-{Harness.Timestamp}.log", "Test log");

            SimpleListener listener;

            switch (transport)
            {
            case "FILE":
                var fn = listener_log.FullPath + ".tmp";
                listener = new SimpleFileListener(fn);
                args.Append(" -setenv=NUNIT_LOG_FILE=").Append(StringUtils.Quote(fn));
                break;

            case "HTTP":
                listener = new SimpleHttpListener();
                break;

            case "TCP":
                listener = new SimpleTcpListener();
                break;

            default:
                throw new NotImplementedException();
            }
            listener.TestLog   = listener_log;
            listener.Log       = main_log;
            listener.AutoExit  = true;
            listener.Address   = System.Net.IPAddress.Any;
            listener.XmlOutput = useXmlOutput;
            listener.Initialize();

            args.AppendFormat(" -argument=-app-arg:-hostport:{0}", listener.Port);
            args.AppendFormat(" -setenv=NUNIT_HOSTPORT={0}", listener.Port);

            listener.StartAsync();

            var cancellation_source = new CancellationTokenSource();
            var timed_out           = false;

            ThreadPool.QueueUserWorkItem((v) =>
            {
                if (!listener.WaitForConnection(TimeSpan.FromMinutes(Harness.LaunchTimeout)))
                {
                    cancellation_source.Cancel();
                    main_log.WriteLine("Test launch timed out after {0} minute(s).", Harness.LaunchTimeout);
                    timed_out = true;
                }
                else
                {
                    main_log.WriteLine("Test run started");
                }
            });

            foreach (var kvp in Harness.EnvironmentVariables)
            {
                args.AppendFormat(" -setenv={0}={1}", kvp.Key, kvp.Value);
            }

            bool?success        = null;
            bool launch_failure = false;

            if (isExtension)
            {
                switch (extension)
                {
                case Extension.TodayExtension:
                    args.Append(isSimulator ? " --launchsimbundleid" : " --launchdevbundleid");
                    args.Append(" todayviewforextensions:");
                    args.Append(BundleIdentifier);
                    args.Append(" --observe-extension ");
                    args.Append(StringUtils.Quote(launchAppPath));
                    break;

                case Extension.WatchKit2:
                default:
                    throw new NotImplementedException();
                }
            }
            else
            {
                args.Append(isSimulator ? " --launchsim " : " --launchdev ");
                args.Append(StringUtils.Quote(launchAppPath));
            }
            if (!isSimulator)
            {
                args.Append(" --disable-memory-limits");
            }

            if (isSimulator)
            {
                if (!await FindSimulatorAsync())
                {
                    return(1);
                }

                if (mode != "watchos")
                {
                    var stderr_tty = Marshal.PtrToStringAuto(ttyname(2));
                    if (!string.IsNullOrEmpty(stderr_tty))
                    {
                        args.Append(" --stdout=").Append(StringUtils.Quote(stderr_tty));
                        args.Append(" --stderr=").Append(StringUtils.Quote(stderr_tty));
                    }
                    else
                    {
                        var stdout_log = Logs.CreateFile($"stdout-{Harness.Timestamp}.log", "Standard output");
                        var stderr_log = Logs.CreateFile($"stderr-{Harness.Timestamp}.log", "Standard error");
                        args.Append(" --stdout=").Append(StringUtils.Quote(stdout_log));
                        args.Append(" --stderr=").Append(StringUtils.Quote(stderr_log));
                    }
                }

                var systemLogs = new List <CaptureLog> ();
                foreach (var sim in simulators)
                {
                    // Upload the system log
                    main_log.WriteLine("System log for the '{1}' simulator is: {0}", sim.SystemLog, sim.Name);
                    bool isCompanion = sim != simulator;

                    var log = new CaptureLog(Logs, sim.SystemLog, entire_file: Harness.Action != HarnessAction.Jenkins)
                    {
                        Path        = Path.Combine(LogDirectory, sim.Name + ".log"),
                        Description = isCompanion ? "System log (companion)" : "System log",
                    };
                    log.StartCapture();
                    Logs.Add(log);
                    systemLogs.Add(log);
                    Harness.LogWrench("@MonkeyWrench: AddFile: {0}", log.Path);
                }

                main_log.WriteLine("*** Executing {0}/{1} in the simulator ***", appName, mode);

                if (EnsureCleanSimulatorState)
                {
                    foreach (var sim in simulators)
                    {
                        await sim.PrepareSimulatorAsync(main_log, bundle_identifier);
                    }
                }

                args.Append(" --device=:v2:udid=").Append(simulator.UDID).Append(" ");

                await crash_reports.StartCaptureAsync();

                main_log.WriteLine("Starting test run");

                var result = await ProcessHelper.ExecuteCommandAsync(Harness.MlaunchPath, args.ToString(), run_log, TimeSpan.FromMinutes(Harness.Timeout), cancellation_token : cancellation_source.Token);

                if (result.TimedOut)
                {
                    timed_out = true;
                    success   = false;
                    main_log.WriteLine("Test run timed out after {0} minute(s).", Harness.Timeout);
                }
                else if (result.Succeeded)
                {
                    main_log.WriteLine("Test run completed");
                    success = true;
                }
                else
                {
                    main_log.WriteLine("Test run failed");
                    success = false;
                }

                if (!success.Value)
                {
                    // find pid
                    var pid = -1;
                    using (var reader = run_log.GetReader()) {
                        while (!reader.EndOfStream)
                        {
                            var line = reader.ReadLine();
                            if (line.StartsWith("Application launched. PID = ", StringComparison.Ordinal))
                            {
                                var pidstr = line.Substring("Application launched. PID = ".Length);
                                if (!int.TryParse(pidstr, out pid))
                                {
                                    main_log.WriteLine("Could not parse pid: {0}", pidstr);
                                }
                            }
                            else if (line.Contains("Xamarin.Hosting: Launched ") && line.Contains(" with pid "))
                            {
                                var pidstr = line.Substring(line.LastIndexOf(' '));
                                if (!int.TryParse(pidstr, out pid))
                                {
                                    main_log.WriteLine("Could not parse pid: {0}", pidstr);
                                }
                            }
                            else if (line.Contains("error MT1008"))
                            {
                                launch_failure = true;
                            }
                        }
                    }
                    if (pid > 0)
                    {
                        var launchTimedout = cancellation_source.IsCancellationRequested;
                        var timeoutType    = launchTimedout ? "Launch" : "Completion";
                        var timeoutValue   = launchTimedout ? Harness.LaunchTimeout : Harness.Timeout;
                        main_log.WriteLine($"{timeoutType} timed out after {timeoutValue}");
                        await Process_Extensions.KillTreeAsync(pid, main_log, true);
                    }
                    else
                    {
                        main_log.WriteLine("Could not find pid in mtouch output.");
                    }
                }

                listener.Cancel();

                // cleanup after us
                if (EnsureCleanSimulatorState)
                {
                    await SimDevice.KillEverythingAsync(main_log);
                }

                foreach (var log in systemLogs)
                {
                    log.StopCapture();
                }
            }
            else
            {
                main_log.WriteLine("*** Executing {0}/{1} on device '{2}' ***", appName, mode, device_name);

                if (mode == "watchos")
                {
                    args.Append(" --attach-native-debugger");                      // this prevents the watch from backgrounding the app.
                }
                else
                {
                    args.Append(" --wait-for-exit");
                }

                AddDeviceName(args);

                device_system_log = Logs.Create($"device-{device_name}-{Harness.Timestamp}.log", "Device log");
                var logdev = new DeviceLogCapturer()
                {
                    Harness    = Harness,
                    Log        = device_system_log,
                    DeviceName = device_name,
                };
                logdev.StartCapture();

                await crash_reports.StartCaptureAsync();

                main_log.WriteLine("Starting test run");

                bool waitedForExit = true;
                // We need to check for MT1111 (which means that mlaunch won't wait for the app to exit).
                var callbackLog = new CallbackLog((line) => {
                    // MT1111: Application launched successfully, but it's not possible to wait for the app to exit as requested because it's not possible to detect app termination when launching using gdbserver
                    waitedForExit &= line?.Contains("MT1111: ") != true;
                    if (line?.Contains("error MT1007") == true)
                    {
                        launch_failure = true;
                    }
                });
                var runLog       = Log.CreateAggregatedLog(callbackLog, main_log);
                var timeout      = TimeSpan.FromMinutes(Harness.Timeout);
                var timeoutWatch = Stopwatch.StartNew();
                var result       = await ProcessHelper.ExecuteCommandAsync(Harness.MlaunchPath, args.ToString(), runLog, timeout, cancellation_token : cancellation_source.Token);

                if (!waitedForExit && !result.TimedOut)
                {
                    // mlaunch couldn't wait for exit for some reason. Let's assume the app exits when the test listener completes.
                    main_log.WriteLine("Waiting for listener to complete, since mlaunch won't tell.");
                    if (!await listener.CompletionTask.TimeoutAfter(timeout - timeoutWatch.Elapsed))
                    {
                        result.TimedOut = true;
                    }
                }

                if (result.TimedOut)
                {
                    timed_out = true;
                    success   = false;
                    main_log.WriteLine("Test run timed out after {0} minute(s).", Harness.Timeout);
                }
                else if (result.Succeeded)
                {
                    main_log.WriteLine("Test run completed");
                    success = true;
                }
                else
                {
                    main_log.WriteLine("Test run failed");
                    success = false;
                }

                logdev.StopCapture();
                device_system_log.Dispose();

                // Upload the system log
                if (File.Exists(device_system_log.FullPath))
                {
                    main_log.WriteLine("A capture of the device log is: {0}", device_system_log.FullPath);
                    Harness.LogWrench("@MonkeyWrench: AddFile: {0}", device_system_log.FullPath);
                }
            }

            listener.Dispose();

            // check the final status
            var crashed = false;

            if (File.Exists(listener_log.FullPath))
            {
                Harness.LogWrench("@MonkeyWrench: AddFile: {0}", listener_log.FullPath);
                success = TestsSucceeded(listener_log, timed_out, crashed);
            }
            else if (timed_out)
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} never launched</i></b><br/>", mode);
                main_log.WriteLine("Test run never launched");
                success = false;
            }
            else if (launch_failure)
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} failed to launch</i></b><br/>", mode);
                main_log.WriteLine("Test run failed to launch");
                success = false;
            }
            else
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} crashed at startup (no log)</i></b><br/>", mode);
                main_log.WriteLine("Test run crashed before it started (no log file produced)");
                crashed = true;
                success = false;
            }

            if (!success.HasValue)
            {
                success = false;
            }

            await crash_reports.EndCaptureAsync(TimeSpan.FromSeconds(success.Value ? 0 : 5));

            if (timed_out)
            {
                Result = TestExecutingResult.TimedOut;
            }
            else if (crashed)
            {
                Result = TestExecutingResult.Crashed;
            }
            else if (success.Value)
            {
                Result = TestExecutingResult.Succeeded;
            }
            else
            {
                Result = TestExecutingResult.Failed;
            }

            // Check crash reports to see if any of them explains why the test run crashed.
            if (!success.Value)
            {
                int    pid          = 0;
                string crash_reason = null;
                foreach (var crash in crash_reports.Logs)
                {
                    try {
                        if (pid == 0)
                        {
                            // Find the pid
                            using (var log_reader = main_log.GetReader()) {
                                string line;
                                while ((line = log_reader.ReadLine()) != null)
                                {
                                    const string str = "was launched with pid '";
                                    var          idx = line.IndexOf(str, StringComparison.Ordinal);
                                    if (idx > 0)
                                    {
                                        idx += str.Length;
                                        var next_idx = line.IndexOf('\'', idx);
                                        if (next_idx > idx)
                                        {
                                            int.TryParse(line.Substring(idx, next_idx - idx), out pid);
                                        }
                                    }
                                    if (pid != 0)
                                    {
                                        break;
                                    }
                                }
                            }
                        }

                        using (var crash_reader = crash.GetReader()) {
                            var text = crash_reader.ReadToEnd();

                            var reader = System.Runtime.Serialization.Json.JsonReaderWriterFactory.CreateJsonReader(Encoding.UTF8.GetBytes(text), new XmlDictionaryReaderQuotas());
                            var doc    = new XmlDocument();
                            doc.Load(reader);
                            foreach (XmlNode node in doc.SelectNodes($"/root/processes/item[pid = '" + pid + "']"))
                            {
                                Console.WriteLine(node?.InnerXml);
                                Console.WriteLine(node?.SelectSingleNode("reason")?.InnerText);
                                crash_reason = node?.SelectSingleNode("reason")?.InnerText;
                            }
                        }
                        if (crash_reason != null)
                        {
                            break;
                        }
                    } catch (Exception e) {
                        Harness.Log(2, "Failed to process crash report '{1}': {0}", e.Message, crash.Description);
                    }
                }
                if (!string.IsNullOrEmpty(crash_reason))
                {
                    if (crash_reason == "per-process-limit")
                    {
                        FailureMessage = "Killed due to using too much memory (per-process-limit).";
                    }
                    else
                    {
                        FailureMessage = $"Killed by the OS ({crash_reason})";
                    }
                }
                else if (launch_failure)
                {
                    FailureMessage = $"Launch failure";
                }
            }

            return(success.Value ? 0 : 1);
        }
Example #2
0
        public async Task <int> RunAsync()
        {
            CrashReportSnapshot crash_reports;
            LogStream           device_system_log = null;
            LogStream           listener_log      = null;
            Log run_log = main_log;

            Initialize();

            if (!isSimulator)
            {
                FindDevice();
            }

            crash_reports = new CrashReportSnapshot()
            {
                Device       = !isSimulator,
                DeviceName   = device_name,
                Harness      = Harness,
                Log          = main_log,
                Logs         = Logs,
                LogDirectory = LogDirectory,
            };

            var args = new StringBuilder();

            if (!string.IsNullOrEmpty(Harness.XcodeRoot))
            {
                args.Append(" --sdkroot ").Append(Harness.XcodeRoot);
            }
            for (int i = -1; i < Harness.Verbosity; i++)
            {
                args.Append(" -v ");
            }
            args.Append(" -argument=-connection-mode -argument=none");              // This will prevent the app from trying to connect to any IDEs
            args.Append(" -argument=-app-arg:-autostart");
            args.Append(" -setenv=NUNIT_AUTOSTART=true");
            args.Append(" -argument=-app-arg:-autoexit");
            args.Append(" -setenv=NUNIT_AUTOEXIT=true");
            args.Append(" -argument=-app-arg:-enablenetwork");
            args.Append(" -setenv=NUNIT_ENABLE_NETWORK=true");
            // detect if we are using a jenkins bot.
            if (Harness.InJenkins)
            {
                args.Append(" -setenv=NUNIT_ENABLE_XML_OUTPUT=true");
            }

            if (isSimulator)
            {
                args.Append(" -argument=-app-arg:-hostname:127.0.0.1");
                args.Append(" -setenv=NUNIT_HOSTNAME=127.0.0.1");
            }
            else
            {
                var ips         = new StringBuilder();
                var ipAddresses = System.Net.Dns.GetHostEntry(System.Net.Dns.GetHostName()).AddressList;
                for (int i = 0; i < ipAddresses.Length; i++)
                {
                    if (i > 0)
                    {
                        ips.Append(',');
                    }
                    ips.Append(ipAddresses [i].ToString());
                }

                args.AppendFormat(" -argument=-app-arg:-hostname:{0}", ips.ToString());
                args.AppendFormat(" -setenv=NUNIT_HOSTNAME={0}", ips.ToString());
            }
            var transport = mode == "watchos" ? "HTTP" : "TCP";

            args.AppendFormat(" -argument=-app-arg:-transport:{0}", transport);
            args.AppendFormat(" -setenv=NUNIT_TRANSPORT={0}", transport);

            SimpleListener listener;

            switch (transport)
            {
            case "HTTP":
                listener = new SimpleHttpListener();
                break;

            case "TCP":
                listener = new SimpleTcpListener();
                break;

            default:
                throw new NotImplementedException();
            }
            listener_log      = Logs.CreateStream(LogDirectory, string.Format("test-{0}-{1:yyyyMMdd_HHmmss}.log", mode, DateTime.Now), "Test log");
            listener.TestLog  = listener_log;
            listener.Log      = main_log;
            listener.AutoExit = true;
            listener.Address  = System.Net.IPAddress.Any;
            listener.Initialize();

            args.AppendFormat(" -argument=-app-arg:-hostport:{0}", listener.Port);
            args.AppendFormat(" -setenv=NUNIT_HOSTPORT={0}", listener.Port);

            listener.StartAsync();

            var cancellation_source = new CancellationTokenSource();
            var timed_out           = false;

            ThreadPool.QueueUserWorkItem((v) =>
            {
                if (!listener.WaitForConnection(TimeSpan.FromMinutes(Harness.LaunchTimeout)))
                {
                    cancellation_source.Cancel();
                    main_log.WriteLine("Test launch timed out after {0} minute(s).", Harness.LaunchTimeout);
                    timed_out = true;
                }
                else
                {
                    main_log.WriteLine("Test run started");
                }
            });

            foreach (var kvp in Harness.EnvironmentVariables)
            {
                args.AppendFormat(" -setenv={0}={1}", kvp.Key, kvp.Value);
            }

            bool?success        = null;
            bool launch_failure = false;

            if (isExtension)
            {
                switch (extension)
                {
                case Extension.TodayExtension:
                    args.Append(isSimulator ? " --launchsimbundleid" : " --launchdevbundleid");
                    args.Append(" todayviewforextensions:");
                    args.Append(BundleIdentifier);
                    args.Append(" --observe-extension ");
                    args.Append(Harness.Quote(launchAppPath));
                    break;

                case Extension.WatchKit2:
                default:
                    throw new NotImplementedException();
                }
            }
            else
            {
                args.Append(isSimulator ? " --launchsim " : " --launchdev ");
                args.Append(Harness.Quote(launchAppPath));
            }

            if (isSimulator)
            {
                if (!await FindSimulatorAsync())
                {
                    return(1);
                }

                if (mode != "watchos")
                {
                    var stderr_tty = Marshal.PtrToStringAuto(ttyname(2));
                    if (!string.IsNullOrEmpty(stderr_tty))
                    {
                        args.Append(" --stdout=").Append(Harness.Quote(stderr_tty));
                        args.Append(" --stderr=").Append(Harness.Quote(stderr_tty));
                    }
                    else
                    {
                        var stdout_log = Logs.CreateFile("Standard output", Path.Combine(LogDirectory, "stdout.log"));
                        var stderr_log = Logs.CreateFile("Standard error", Path.Combine(LogDirectory, "stderr.log"));
                        args.Append(" --stdout=").Append(Harness.Quote(stdout_log.FullPath));
                        args.Append(" --stderr=").Append(Harness.Quote(stderr_log.FullPath));
                    }
                }

                var systemLogs = new List <CaptureLog> ();
                foreach (var sim in simulators)
                {
                    // Upload the system log
                    main_log.WriteLine("System log for the '{1}' simulator is: {0}", sim.SystemLog, sim.Name);
                    bool isCompanion = sim != simulator;

                    var log = new CaptureLog(sim.SystemLog, entire_file: Harness.Action != HarnessAction.Jenkins)
                    {
                        Path        = Path.Combine(LogDirectory, sim.Name + ".log"),
                        Description = isCompanion ? "System log (companion)" : "System log",
                    };
                    log.StartCapture();
                    Logs.Add(log);
                    systemLogs.Add(log);
                    Harness.LogWrench("@MonkeyWrench: AddFile: {0}", log.Path);
                }

                main_log.WriteLine("*** Executing {0}/{1} in the simulator ***", appName, mode);

                if (EnsureCleanSimulatorState)
                {
                    foreach (var sim in simulators)
                    {
                        await sim.PrepareSimulatorAsync(main_log, bundle_identifier);
                    }
                }

                args.Append(" --device=:v2:udid=").Append(simulator.UDID).Append(" ");

                await crash_reports.StartCaptureAsync();

                main_log.WriteLine("Starting test run");

                var result = await ProcessHelper.ExecuteCommandAsync(Harness.MlaunchPath, args.ToString(), run_log, TimeSpan.FromMinutes(Harness.Timeout), cancellation_token : cancellation_source.Token);

                if (result.TimedOut)
                {
                    timed_out = true;
                    success   = false;
                    main_log.WriteLine("Test run timed out after {0} minute(s).", Harness.Timeout);
                }
                else if (result.Succeeded)
                {
                    main_log.WriteLine("Test run completed");
                    success = true;
                }
                else
                {
                    main_log.WriteLine("Test run failed");
                    success = false;
                }

                if (!success.Value)
                {
                    // find pid
                    var pid = -1;
                    using (var reader = run_log.GetReader()) {
                        while (!reader.EndOfStream)
                        {
                            var line = reader.ReadLine();
                            if (line.StartsWith("Application launched. PID = ", StringComparison.Ordinal))
                            {
                                var pidstr = line.Substring("Application launched. PID = ".Length);
                                if (!int.TryParse(pidstr, out pid))
                                {
                                    main_log.WriteLine("Could not parse pid: {0}", pidstr);
                                }
                            }
                            else if (line.Contains("Xamarin.Hosting: Launched ") && line.Contains(" with pid "))
                            {
                                var pidstr = line.Substring(line.LastIndexOf(' '));
                                if (!int.TryParse(pidstr, out pid))
                                {
                                    main_log.WriteLine("Could not parse pid: {0}", pidstr);
                                }
                            }
                            else if (line.Contains("error MT1008"))
                            {
                                launch_failure = true;
                            }
                        }
                    }
                    if (pid > 0)
                    {
                        var launchTimedout = cancellation_source.IsCancellationRequested;
                        var timeoutType    = launchTimedout ? "Launch" : "Completion";
                        var timeoutValue   = launchTimedout ? Harness.LaunchTimeout : Harness.Timeout;
                        main_log.WriteLine($"{timeoutType} timed out after {timeoutValue}");
                        await Process_Extensions.KillTreeAsync(pid, main_log, true);
                    }
                    else
                    {
                        main_log.WriteLine("Could not find pid in mtouch output.");
                    }
                }

                listener.Cancel();

                // cleanup after us
                if (EnsureCleanSimulatorState)
                {
                    await SimDevice.KillEverythingAsync(main_log);
                }

                foreach (var log in systemLogs)
                {
                    log.StopCapture();
                }
            }
            else
            {
                main_log.WriteLine("*** Executing {0}/{1} on device '{2}' ***", appName, mode, device_name);

                if (mode == "watchos")
                {
                    args.Append(" --attach-native-debugger");                      // this prevents the watch from backgrounding the app.
                }
                else
                {
                    args.Append(" --wait-for-exit");
                }

                AddDeviceName(args);

                device_system_log = Logs.CreateStream(LogDirectory, $"device-{device_name}-{DateTime.Now:yyyyMMdd_HHmmss}.log", "Device log");
                var logdev = new DeviceLogCapturer()
                {
                    Harness    = Harness,
                    Log        = device_system_log,
                    DeviceName = device_name,
                };
                logdev.StartCapture();

                await crash_reports.StartCaptureAsync();

                main_log.WriteLine("Starting test run");

                var result = await ProcessHelper.ExecuteCommandAsync(Harness.MlaunchPath, args.ToString(), main_log, TimeSpan.FromMinutes(Harness.Timeout), cancellation_token : cancellation_source.Token);

                if (result.TimedOut)
                {
                    timed_out = true;
                    success   = false;
                    main_log.WriteLine("Test run timed out after {0} minute(s).", Harness.Timeout);
                }
                else if (result.Succeeded)
                {
                    main_log.WriteLine("Test run completed");
                    success = true;
                }
                else
                {
                    main_log.WriteLine("Test run failed");
                    success = false;
                }

                logdev.StopCapture();

                // Upload the system log
                if (File.Exists(device_system_log.FullPath))
                {
                    main_log.WriteLine("A capture of the device log is: {0}", device_system_log.FullPath);
                    Harness.LogWrench("@MonkeyWrench: AddFile: {0}", device_system_log.FullPath);
                }
            }

            listener.Dispose();

            // check the final status
            var crashed = false;

            if (File.Exists(listener_log.FullPath))
            {
                Harness.LogWrench("@MonkeyWrench: AddFile: {0}", listener_log.FullPath);
                success = TestsSucceeded(listener_log, timed_out, crashed);
            }
            else if (timed_out)
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} never launched</i></b><br/>", mode);
                main_log.WriteLine("Test run never launched");
                success = false;
            }
            else if (launch_failure)
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} failed to launch</i></b><br/>", mode);
                main_log.WriteLine("Test run failed to launch");
                success = false;
            }
            else
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} crashed at startup (no log)</i></b><br/>", mode);
                main_log.WriteLine("Test run crashed before it started (no log file produced)");
                crashed = true;
                success = false;
            }

            if (!success.HasValue)
            {
                success = false;
            }

            await crash_reports.EndCaptureAsync(TimeSpan.FromSeconds(success.Value ? 0 : 5));

            if (timed_out)
            {
                Result = TestExecutingResult.TimedOut;
            }
            else if (crashed)
            {
                Result = TestExecutingResult.Crashed;
            }
            else if (success.Value)
            {
                Result = TestExecutingResult.Succeeded;
            }
            else
            {
                Result = TestExecutingResult.Failed;
            }
            return(success.Value ? 0 : 1);
        }