Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

Automation Advisor
Vstest
Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers
CommandLineArgumentsHelper

How to use CommandLineArgumentsHelper class of Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers package

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers.CommandLineArgumentsHelper

DataCollectorMain.cs

Source:DataCollectorMain.cs

...53        }54        public void Run(string[] args)55        {56            DebuggerBreakpoint.WaitForDebugger("VSTEST_DATACOLLECTOR_DEBUG");57            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args);58            // Setup logging if enabled59            if (argsDictionary.TryGetValue(LogFileArgument, out var logFile))60            {61                var traceLevelInt = CommandLineArgumentsHelper.GetIntArgFromDict(argsDictionary, TraceLevelArgument);62                var isTraceLevelArgValid = Enum.IsDefined(typeof(PlatformTraceLevel), traceLevelInt);63                // In case traceLevelInt is not defined in PlatfromTraceLevel, default it to verbose.64                var traceLevel = isTraceLevelArgValid ? (PlatformTraceLevel)traceLevelInt : PlatformTraceLevel.Verbose;65                // Initialize trace.66                EqtTrace.InitializeTrace(logFile, traceLevel);67                // Log warning in case tracelevel passed in arg is invalid68                if (!isTraceLevelArgValid)69                {70                    EqtTrace.Warning("DataCollectorMain.Run: Invalid trace level: {0}, defaulting to verbose tracelevel.", traceLevelInt);71                }72            }73            else74            {75                EqtTrace.DoNotInitailize = true;76            }77            if (EqtTrace.IsVerboseEnabled)78            {79                var version = typeof(DataCollectorMain)80                    .GetTypeInfo()81                    .Assembly82                    .GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;83                EqtTrace.Verbose($"Version: { version }");84            }85            UILanguageOverride.SetCultureSpecifiedByUser();86            EqtTrace.Info("DataCollectorMain.Run: Starting data collector run with args: {0}", string.Join(",", args));87            // Attach to exit of parent process88            var parentProcessId = CommandLineArgumentsHelper.GetIntArgFromDict(argsDictionary, ParentProcessArgument);89            EqtTrace.Info("DataCollector: Monitoring parent process with id: '{0}'", parentProcessId);90            this.processHelper.SetExitCallback(91                parentProcessId,92                (obj) =>93                {94                    EqtTrace.Info("DataCollector: ParentProcess '{0}' Exited.", parentProcessId);95                    this.environment.Exit(1);96                });97            // Get server port and initialize communication.98            int port = argsDictionary.TryGetValue(PortArgument, out var portValue) ? int.Parse(portValue) : 0;99            if (port <= 0)100            {101                throw new ArgumentException("Incorrect/No Port number");102            }...

CommandLineArgumentsHelperTests.cs

Source:CommandLineArgumentsHelperTests.cs

...5    using System.Collections.Generic;6    using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;7    using Microsoft.VisualStudio.TestTools.UnitTesting;8    [TestClass]9    public class CommandLineArgumentsHelperTests10    {11        [TestMethod]12        public void GetArgumentsDictionaryShouldReturnDictionary()13        {14            var args = new List<string>() { "--port", "12312", "--parentprocessid", "2312", "--testsourcepath", @"C:\temp\1.dll" };15            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());16            Assert.AreEqual("12312", argsDictionary["--port"]);17            Assert.AreEqual("2312", argsDictionary["--parentprocessid"]);18            Assert.AreEqual(@"C:\temp\1.dll", argsDictionary["--testsourcepath"]);19        }20        [TestMethod]21        public void GetArgumentsDictionaryShouldIgnoreValuesWithoutPreceedingHypen()22        {23            var args = new List<string>() { "port", "12312", "--parentprocessid", "2312", "--testsourcepath", @"C:\temp\1.dll" };24            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());25            Assert.IsTrue(argsDictionary.Count == 2);26            Assert.AreEqual("2312", argsDictionary["--parentprocessid"]);27            Assert.AreEqual(@"C:\temp\1.dll", argsDictionary["--testsourcepath"]);28            args = new List<string>() { "--port", "12312", "--parentprocessid", "2312", "testsourcepath", @"C:\temp\1.dll" };29            argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());30            Assert.IsTrue(argsDictionary.Count == 2);31            Assert.AreEqual("12312", argsDictionary["--port"]);32            Assert.AreEqual("2312", argsDictionary["--parentprocessid"]);33        }34        [TestMethod]35        public void GetStringArgFromDictShouldReturnStringValueOrEmpty()36        {37            var args = new List<string>() { "--port", "12312", "--parentprocessid", "2312", "--testsourcepath", @"C:\temp\1.dll" };38            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());39            string data = CommandLineArgumentsHelper.GetStringArgFromDict(argsDictionary, "--port");40            Assert.AreEqual("12312", data);41        }42        [TestMethod]43        public void GetStringArgFromDictShouldReturnNullIfValueIsNotPresent()44        {45            var args = new List<string>() { "--hello", "--world" };46            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());47            string data = CommandLineArgumentsHelper.GetStringArgFromDict(argsDictionary, "--hello");48            Assert.IsTrue(argsDictionary.Count == 2);49            Assert.AreEqual(null, data);50        }51        [TestMethod]52        public void GetStringArgFromDictShouldReturnEmptyStringIfKeyIsNotPresent()53        {54            var args = new List<string>() { "--hello", "--world" };55            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());56            string data = CommandLineArgumentsHelper.GetStringArgFromDict(argsDictionary, "--port");57            Assert.IsTrue(argsDictionary.Count == 2);58            Assert.AreEqual(string.Empty, data);59        }60        [TestMethod]61        public void GetArgumentsDictionaryShouldReturnEmptyDictionaryIfEmptyArgIsPassed()62        {63            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(null);64            Assert.IsTrue(argsDictionary.Count == 0);65            argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(new string[] { });66            Assert.IsTrue(argsDictionary.Count == 0);67        }68        [TestMethod]69        public void GetArgumentsDictionaryShouldTreatValueAsNullIfTwoConsecutiveKeysArePassed()70        {71            var args = new List<string>() { "--hello", "--world" };72            var argsDictionary = CommandLineArgumentsHelper.GetArgumentsDictionary(args.ToArray());73            Assert.IsTrue(argsDictionary.Count == 2);74            Assert.AreEqual(null, argsDictionary["--hello"]);75            Assert.AreEqual(null, argsDictionary["--world"]);76        }77    }78}...

CommandLineArgumentsHelper

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            var commandLineArgs = CommandLineArgumentsHelper.Instance.GetTestSources(args);12            Console.WriteLine("commandLineArgs = " + commandLineArgs);13        }14    }15}16using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22{23    {24        static void Main(string[] args)25        {26            var commandLineArgs = CommandLineArgumentsHelper.Instance.GetTestSources(args);27            Console.WriteLine("commandLineArgs = " + commandLineArgs);28        }29    }30}31using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;32using System;33using System.Collections.Generic;34using System.Linq;35using System.Text;36using System.Threading.Tasks;37{38    {39        static void Main(string[] args)40        {41            var commandLineArgs = CommandLineArgumentsHelper.Instance.GetTestSources(args);42            Console.WriteLine("commandLineArgs = " + commandLineArgs);43        }44    }45}46using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;47using System;48using System.Collections.Generic;49using System.Linq;50using System.Text;51using System.Threading.Tasks;52{53    {54        static void Main(string[] args)55        {56            var commandLineArgs = CommandLineArgumentsHelper.Instance.GetTestSources(args);57            Console.WriteLine("commandLineArgs = " + commandLineArgs);58        }59    }60}61using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;62using System;

CommandLineArgumentsHelper

Using AI Code Generation

1var helper = new CommandLineArgumentsHelper();2var args = helper.GetTestRunParameters("test.exe --port=8080 --host=localhost");3Console.WriteLine(args);4var args = TestPlatformHelpers.GetTestRunParameters("test.exe --port=8080 --host=localhost");5Console.WriteLine(args);6var args = TestPlatformHelpers.GetTestRunParameters("test.exe --port=8080 --host=localhost");7Console.WriteLine(args);8var helper = new CommandLineArgumentsHelper();9var args = helper.GetTestRunParameters("test.exe --port=8080 --host=localhost");10Console.WriteLine(args);11var args = TestPlatformHelpers.GetTestRunParameters("test.exe --port=8080 --host=localhost");12Console.WriteLine(args);13var args = TestPlatformHelpers.GetTestRunParameters("test.exe --port=8080 --host=localhost");14Console.WriteLine(args);15var helper = new CommandLineArgumentsHelper();16var args = helper.GetTestRunParameters("test.exe --port=8080 --host=localhost");17Console.WriteLine(args);18var args = TestPlatformHelpers.GetTestRunParameters("test.exe --port=8080 --host=localhost");19Console.WriteLine(args);

CommandLineArgumentsHelper

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;8{9    {10        public static void Main(string[] args)11        {12            var commandLineArgumentsHelper = new CommandLineArgumentsHelper(args);13            var testSource = commandLineArgumentsHelper.GetTestSources().FirstOrDefault();14            var runSettings = commandLineArgumentsHelper.GetRunSettings();15            var testHostContext = new TestHostContext(runSettings);16            var testHostManager = testHostContext.TestHostManager;17            var testHostLauncher = testHostManager.GetTestHostLauncher();18            testHostLauncher.LaunchTestHost(testHostContext);19            testHostLauncher.WaitForExit();20        }21    }22}23using System;24using System.Collections.Generic;25using System.IO;26using System.Linq;27using System.Text;28using System.Threading.Tasks;29using Microsoft.VisualStudio.TestPlatform.CoreUtilities.Helpers;30{31    {32        public static void Main(string[] args)33        {34            var commandLineArgumentsHelper = new CommandLineArgumentsHelper(args);35            var testSource = commandLineArgumentsHelper.GetTestSources().FirstOrDefault();36            var runSettings = commandLineArgumentsHelper.GetRunSettings();37            var testHostContext = new TestHostContext(runSettings);38            var testHostManager = testHostContext.TestHostManager;39            var testHostLauncher = testHostManager.GetTestHostLauncher();40            testHostLauncher.LaunchTestHost(testHostContext);41            testHostLauncher.WaitForExit();42        }43    }44}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.