コード例 #1
0
ファイル: AppRunner.cs プロジェクト: seyi/xamarin-macios
        public bool TestsSucceeded(LogStream listener_log, bool timed_out, bool crashed)
        {
            string log;

            using (var reader = listener_log.GetReader())
                log = reader.ReadToEnd();
            // parsing the result is different if we are in jenkins or not.
            // When in Jenkins, Touch.Unit produces an xml file instead of a console log (so that we can get better test reporting).
            // However, for our own reporting, we still want the console-based log. This log is embedded inside the xml produced
            // by Touch.Unit, so we need to extract it and write it to disk. We also need to re-save the xml output, since Touch.Unit
            // wraps the NUnit xml output with additional information, which we need to unwrap so that Jenkins understands it.
            if (Harness.InJenkins)
            {
                // we have to parse the xml result
                crashed = false;
                var xmldoc = new XmlDocument();
                try {
                    xmldoc.LoadXml(log);

                    var nunit_output = xmldoc.SelectSingleNode("/TouchUnitTestRun/NUnitOutput");
                    var xmllog       = nunit_output.InnerXml;
                    var extra_output = xmldoc.SelectSingleNode("/TouchUnitTestRun/TouchUnitExtraData");
                    log = extra_output.InnerText;

                    File.WriteAllText(listener_log.FullPath, log);

                    var testsResults = new XmlDocument();
                    testsResults.LoadXml(xmllog);

                    var mainResultNode = testsResults.SelectSingleNode("test-results");
                    if (mainResultNode == null)
                    {
                        Harness.LogWrench($"Node is null.");
                    }
                    else
                    {
                        // update the information of the main node to add information about the mode and the test that is excuted. This will later create
                        // nicer reports in jenkins
                        mainResultNode.Attributes ["name"].Value = Target.AsString();
                        // store a clean version of the logs, later this will be used by the bots to show results in github/web
                        var path = listener_log.FullPath;
                        path = path.Replace(".log", ".xml");
                        testsResults.Save(path);
                        Logs.Add(new LogFile("Test xml", path));
                    }
                } catch (Exception e) {
                    main_log.WriteLine("Could not parse xml result file: {0}", e);

                    if (timed_out)
                    {
                        Harness.LogWrench($"@MonkeyWrench: AddSummary: <b><i>{mode} timed out</i></b><br/>");
                        return(false);
                    }
                    else
                    {
                        Harness.LogWrench($"@MonkeyWrench: AddSummary: <b><i>{mode} crashed</i></b><br/>");
                        main_log.WriteLine("Test run crashed");
                        crashed = true;
                        return(false);
                    }
                }
            }

            // parsing the human readable results
            if (log.Contains("Tests run"))
            {
                var tests_run = string.Empty;
                var log_lines = log.Split('\n');
                var failed    = false;
                foreach (var line in log_lines)
                {
                    if (line.Contains("Tests run:"))
                    {
                        Console.WriteLine(line);
                        tests_run = line.Replace("Tests run: ", "");
                        break;
                    }
                    else if (line.Contains("FAIL"))
                    {
                        Console.WriteLine(line);
                        failed = true;
                    }
                }

                if (failed)
                {
                    Harness.LogWrench("@MonkeyWrench: AddSummary: <b>{0} failed: {1}</b><br/>", mode, tests_run);
                    main_log.WriteLine("Test run failed");
                    return(false);
                }
                else
                {
                    Harness.LogWrench("@MonkeyWrench: AddSummary: {0} succeeded: {1}<br/>", mode, tests_run);
                    main_log.WriteLine("Test run succeeded");
                    return(true);
                }
            }
            else if (timed_out)
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} timed out</i></b><br/>", mode);
                return(false);
            }
            else
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} crashed</i></b><br/>", mode);
                main_log.WriteLine("Test run crashed");
                crashed = true;
                return(false);
            }
        }
コード例 #2
0
 public async Task ShowSimulatorList(LogStream log)
 {
     await ExecuteXcodeCommandAsync("simctl", "list", log.GetWriter(), TimeSpan.FromSeconds(10));
 }
コード例 #3
0
ファイル: AppRunner.cs プロジェクト: joobn72/xamarin-macios
        public bool TestsSucceeded(LogStream listener_log, bool timed_out, bool crashed)
        {
            string log;

            using (var reader = listener_log.GetReader())
                log = reader.ReadToEnd();
            // parsing the result is different if we are in jenkins or nor.
            if (Harness.InJenkins)
            {
                // we have to parse the xml result
                crashed = false;
                if (log.Contains("test-results"))
                {
                    // remove any possible extra info
                    var index  = log.IndexOf("<test-results");
                    var header = log.Substring(0, log.IndexOf('<'));
                    log = log.Remove(0, index - 1);
                    var testsResults = new XmlDocument();
                    testsResults.LoadXml(log);

                    var mainResultNode = testsResults.SelectSingleNode("test-results");
                    if (mainResultNode == null)
                    {
                        Harness.LogWrench($"Node is null.");
                        crashed = true;
                        return(false);
                    }
                    // update the information of the main node to add information about the mode and the test that is excuted. This will later create
                    // nicer reports in jenkins
                    mainResultNode.Attributes["name"].Value = Target.AsString();
                    // store a clean version of the logs, later this will be used by the bots to show results in github/web
                    var path = listener_log.FullPath;
                    path = path.Replace(".log", ".xml");
                    testsResults.Save(path);

                    // we want to keep the old TestResult page,
                    GenerateHumanReadableLogs(listener_log.FullPath, header, testsResults);

                    int ignored      = Convert.ToInt16(mainResultNode.Attributes["ignored"].Value);
                    int invalid      = Convert.ToInt16(mainResultNode.Attributes["invalid"].Value);
                    int inconclusive = Convert.ToInt16(mainResultNode.Attributes["inconclusive"].Value);
                    int errors       = Convert.ToInt16(mainResultNode.Attributes["errors"].Value);
                    int failures     = Convert.ToInt16(mainResultNode.Attributes["failures"].Value);
                    int totalTests   = Convert.ToInt16(mainResultNode.Attributes["total"].Value);

                    // generate human readable logs
                    var failed = errors != 0 || failures != 0;
                    if (failed)
                    {
                        Harness.LogWrench($"@MonkeyWrench: AddSummary: <b>{mode} failed: Test run: {totalTests} Passed: {totalTests - invalid - inconclusive - ignored} Inconclusive: {inconclusive} Failed: {errors + failures} Ignored: {ignored}</b><br/>");
                        main_log.WriteLine("Test run failed");
                        return(false);
                    }
                    else
                    {
                        Harness.LogWrench($"@MonkeyWrench: AddSummary: {mode} succeeded: Test run: {totalTests} Passed: {totalTests - invalid - inconclusive - ignored} Inconclusive: {inconclusive} Failed: 0 Ignored: {ignored}<br/>");
                        main_log.WriteLine("Test run succeeded");
                        return(true);
                    }
                }
                else if (timed_out)
                {
                    Harness.LogWrench($"@MonkeyWrench: AddSummary: <b><i>{mode} timed out</i></b><br/>");
                    return(false);
                }
                else
                {
                    Harness.LogWrench($"@MonkeyWrench: AddSummary: <b><i>{mode} crashed</i></b><br/>");
                    main_log.WriteLine("Test run crashed");
                    crashed = true;
                    return(false);
                }
            }
            else
            {
                // parsing the human readable results
                if (log.Contains("Tests run"))
                {
                    var tests_run = string.Empty;
                    var log_lines = log.Split('\n');
                    var failed    = false;
                    foreach (var line in log_lines)
                    {
                        if (line.Contains("Tests run:"))
                        {
                            Console.WriteLine(line);
                            tests_run = line.Replace("Tests run: ", "");
                            break;
                        }
                        else if (line.Contains("FAIL"))
                        {
                            Console.WriteLine(line);
                            failed = true;
                        }
                    }

                    if (failed)
                    {
                        Harness.LogWrench("@MonkeyWrench: AddSummary: <b>{0} failed: {1}</b><br/>", mode, tests_run);
                        main_log.WriteLine("Test run failed");
                        return(false);
                    }
                    else
                    {
                        Harness.LogWrench("@MonkeyWrench: AddSummary: {0} succeeded: {1}<br/>", mode, tests_run);
                        main_log.WriteLine("Test run succeeded");
                        return(true);
                    }
                }
                else if (timed_out)
                {
                    Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} timed out</i></b><br/>", mode);
                    return(false);
                }
                else
                {
                    Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} crashed</i></b><br/>", mode);
                    main_log.WriteLine("Test run crashed");
                    crashed = true;
                    return(false);
                }
            }
        }
コード例 #4
0
ファイル: AppRunner.cs プロジェクト: songurov/xamarin-macios
        public async Task <int> RunAsync()
        {
            CrashReportSnapshot crash_reports;
            LogStream           device_system_log = null;
            LogStream           listener_log      = null;
            Log run_log = main_log;

            Initialize();

            crash_reports = new CrashReportSnapshot()
            {
                Device = !isSimulator, 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");
            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:yyyyMMdd_HHmmss}.log", 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);

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

            bool?success   = null;
            bool timed_out = false;

            if (isSimulator)
            {
                FindSimulator();

                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)
                    {
                        Path        = Path.Combine(LogDirectory, sim.UDID + ".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(" --launchsim");
                args.AppendFormat(" \"{0}\" ", launchAppPath);
                args.Append(" --device=:v2:udid=").Append(simulator.UDID).Append(" ");

                await crash_reports.StartCaptureAsync();

                listener.StartAsync();
                main_log.WriteLine("Starting test run");

                var cancellation_source = new CancellationTokenSource();
                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");
                    }
                });
                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);
                                }
                            }
                        }
                    }
                    if (pid > 0)
                    {
                        var launchTimedout = cancellation_source.IsCancellationRequested;
                        await KillPidAsync(main_log, pid, TimeSpan.FromSeconds(5), TimeSpan.FromMinutes(launchTimedout ? Harness.LaunchTimeout : Harness.Timeout), launchTimedout? "Launch" : "Completion");
                    }
                    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
            {
                FindDevice();

                main_log.WriteLine("*** Executing {0}/{1} on device ***", appName, mode);

                args.Append(" --launchdev");
                args.AppendFormat(" \"{0}\" ", launchAppPath);

                var waits_for_exit = false;
                if (mode == "watchos")
                {
                    args.Append(" --attach-native-debugger");                      // this prevents the watch from backgrounding the app.
                    waits_for_exit = true;
                }

                AddDeviceName(args);

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

                await crash_reports.StartCaptureAsync();

                listener.StartAsync();
                main_log.WriteLine("Starting test run");

                double launch_timeout   = waits_for_exit ? Harness.Timeout : 1;
                double listener_timeout = waits_for_exit ? 0.2 : Harness.Timeout;
                await ProcessHelper.ExecuteCommandAsync(Harness.MlaunchPath, args.ToString(), main_log, TimeSpan.FromMinutes(launch_timeout));

                if (listener.WaitForCompletion(TimeSpan.FromMinutes(listener_timeout)))
                {
                    main_log.WriteLine("Test run completed");
                }
                else
                {
                    main_log.WriteLine("Test run did not complete in {0} minutes.", Harness.Timeout);
                    listener.Cancel();
                    success   = false;
                    timed_out = true;
                }

                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);
                    if (Harness.InWrench)
                    {
                        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);
                string log;
                using (var reader = listener_log.GetReader())
                    log = reader.ReadToEnd();
                if (log.Contains("Tests run"))
                {
                    var tests_run = string.Empty;
                    var log_lines = log.Split('\n');
                    var failed    = false;
                    foreach (var line in log_lines)
                    {
                        if (line.Contains("Tests run:"))
                        {
                            Console.WriteLine(line);
                            tests_run = line.Replace("Tests run: ", "");
                            break;
                        }
                        else if (line.Contains("FAIL"))
                        {
                            Console.WriteLine(line);
                            failed = true;
                        }
                    }

                    if (failed)
                    {
                        Harness.LogWrench("@MonkeyWrench: AddSummary: <b>{0} failed: {1}</b><br/>", mode, tests_run);
                        main_log.WriteLine("Test run failed");
                        success = false;
                    }
                    else
                    {
                        Harness.LogWrench("@MonkeyWrench: AddSummary: {0} succeeded: {1}<br/>", mode, tests_run);
                        main_log.WriteLine("Test run succeeded");
                        success = true;
                    }
                }
                else if (timed_out)
                {
                    Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} timed out</i></b><br/>", mode);
                }
                else
                {
                    Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} crashed</i></b><br/>", mode);
                    main_log.WriteLine("Test run crashed");
                    crashed = true;
                }
            }
            else if (timed_out)
            {
                Harness.LogWrench("@MonkeyWrench: AddSummary: <b><i>{0} never launched</i></b><br/>", mode);
                main_log.WriteLine("Test run never launched");
            }
            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;
            }

            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);
        }
コード例 #5
0
ファイル: AppRunner.cs プロジェクト: wvrfish/xamarin-macios
        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 (!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());
            }
            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(StringUtils.Quote(launchAppPath));
                    break;

                case Extension.WatchKit2:
                default:
                    throw new NotImplementedException();
                }
            }
            else
            {
                args.Append(isSimulator ? " --launchsim " : " --launchdev ");
                args.Append(StringUtils.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(StringUtils.Quote(stderr_tty));
                        args.Append(" --stderr=").Append(StringUtils.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(StringUtils.Quote(stdout_log.FullPath));
                        args.Append(" --stderr=").Append(StringUtils.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;
            }

            // 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})";
                    }
                }
            }

            return(success.Value ? 0 : 1);
        }