KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

Automation Advisor
Vstest
Microsoft.VisualStudio.TestPlatform.Common.Filtering
FilterExpression

How to use FilterExpression class of Microsoft.VisualStudio.TestPlatform.Common.Filtering package

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.Common.Filtering.FilterExpression

FilterExpressionWrapper.cs

Source:FilterExpressionWrapper.cs

...10    using System.Diagnostics;11    /// <summary>12    /// Class holds information related to filtering criteria.13    /// </summary>14    public class FilterExpressionWrapper15    {16        /// <summary>17        /// FilterExpression corresponding to filter criteria18        /// </summary>19        private readonly FilterExpression filterExpression;20        /// <remarks>21        /// Exposed for testing purpose.22        /// </remarks>23        internal readonly FastFilter fastFilter;24        private bool UseFastFilter => this.fastFilter != null;25        /// <summary>26        /// Initializes FilterExpressionWrapper with given filterString and options.27        /// </summary>28        public FilterExpressionWrapper(string filterString, FilterOptions options)29        {30            ValidateArg.NotNullOrEmpty(filterString, nameof(filterString));31            this.FilterString = filterString;32            this.FilterOptions = options;33            try34            {35                // We prefer fast filter when it's available.36                this.filterExpression = FilterExpression.Parse(filterString, out this.fastFilter);37                if (UseFastFilter)38                {39                    this.filterExpression = null;40                    // Property value regex is only supported for fast filter,41                    // so we ignore it if no fast filter is constructed.42                    // TODO: surface an error message to suer.43                    var regexString = options?.FilterRegEx;44                    if (!string.IsNullOrEmpty(regexString))45                    {46                        Debug.Assert(options.FilterRegExReplacement != null ? options.FilterRegEx != null : true);47                        this.fastFilter.PropertyValueRegex = new Regex(regexString, RegexOptions.Compiled);48                        this.fastFilter.PropertyValueRegexReplacement = options.FilterRegExReplacement;49                    }50                }51            }52            catch (FormatException ex)53            {54                this.ParseError = ex.Message;55            }56            catch (ArgumentException ex)57            {58                this.fastFilter = null;59                this.ParseError = ex.Message;60            }61        }62        /// <summary>63        /// Initializes FilterExpressionWrapper with given filterString.64        /// </summary>65        public FilterExpressionWrapper(string filterString)66            : this(filterString, null)67        {68        }69        /// <summary>70        /// User specified filter criteria.71        /// </summary>72        public string FilterString73        {74            get;75            private set;76        }77        /// <summary>78        /// User specified additional filter options.79        /// </summary>...

FilteringTestUtils.cs

Source:FilteringTestUtils.cs

...31namespace NUnit.VisualStudio.TestAdapter.Tests.Filtering32{33    public static class FilteringTestUtils34    {35        public static ITestCaseFilterExpression CreateVSTestFilterExpression(string filter)36        {37            var filterExpressionWrapperType = Type.GetType("Microsoft.VisualStudio.TestPlatform.Common.Filtering.FilterExpressionWrapper, Microsoft.VisualStudio.TestPlatform.Common", throwOnError: true);38            var filterExpressionWrapper =39                filterExpressionWrapperType.GetTypeInfo()40                .GetConstructor(new[] { typeof(string) })41                .Invoke(new object[] { filter });42            return (ITestCaseFilterExpression)Type.GetType("Microsoft.VisualStudio.TestPlatform.Common.Filtering.TestCaseFilterExpression, Microsoft.VisualStudio.TestPlatform.Common", throwOnError: true).GetTypeInfo()43                .GetConstructor(new[] { filterExpressionWrapperType })44                .Invoke(new[] { filterExpressionWrapper });45        }46        public static VsTestFilter CreateTestFilter(ITestCaseFilterExpression filterExpression)47        {48            var context = Substitute.For<IRunContext>();49            context.GetTestCaseFilter(null, null).ReturnsForAnyArgs(filterExpression);50            var settings = Substitute.For<IAdapterSettings>();51            settings.DiscoveryMethod.Returns(DiscoveryMethod.Legacy);52            return VsTestFilterFactory.CreateVsTestFilter(settings, context);53        }54        public static void AssertExpectedResult(ITestCaseFilterExpression filterExpression, IReadOnlyCollection<TestCase> testCases, IReadOnlyCollection<string> expectedMatchingTestNames)55        {56            var matchingTestCases = CreateTestFilter(filterExpression).CheckFilter(testCases);57            Assert.That(matchingTestCases.Select(t => t.FullyQualifiedName), Is.EquivalentTo(expectedMatchingTestNames));58        }59    }60}

FilterExpression

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;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            FilterExpression filter = new FilterExpression();12            filter.AddFilter(new Filter("TestCategory", "TestCategory=CategoryA"));13            filter.AddFilter(new Filter("TestCategory", "TestCategory=CategoryB"));14            filter.AddFilter(new Filter("TestCategory", "TestCategory=CategoryC"));15            Console.WriteLine(filter.ToString());16            Console.ReadLine();17        }18    }19}20using Microsoft.VisualStudio.TestPlatform.ObjectModel.Filtering;21using System;22using System.Collections.Generic;23using System.Linq;24using System.Text;25using System.Threading.Tasks;26{27    {28        static void Main(string[] args)29        {30            FilterExpression filter = new FilterExpression();31            filter.AddFilter(new Filter("TestCategory", "TestCategory=CategoryA"));32            filter.AddFilter(new Filter("TestCategory", "TestCategory=CategoryB"));33            filter.AddFilter(new Filter("TestCategory", "TestCategory=CategoryC"));34            Console.WriteLine(filter.ToString());35            Console.ReadLine();36        }37    }38}

FilterExpression

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.Common.Filtering;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;10{11    {12        public void Cancel()13        {14            throw new NotImplementedException();15        }16        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)17        {18            throw new NotImplementedException();19        }20        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)21        {22            throw new NotImplementedException();23        }24        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle, ITestCaseFilterExpression filter)25        {26            if (filter == null)27                throw new ArgumentNullException("filter");28            if (filter.GetType() != typeof(FilterExpression))29                throw new ArgumentException("filter is not of type FilterExpression");30            var filterExpression = filter as FilterExpression;31        }32    }33}

FilterExpression

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using System;4{5    {6        static void Main(string[] args)7        {8            var filterExpression = new FilterExpression();9            var filter = "FullyQualifiedName~UnitTestProject1.UnitTest1";10            var filter1 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA";11            var filter2 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB";12            var filter3 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC";13            var filter4 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC|TestCategory~CategoryD";14            var filter5 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC|TestCategory~CategoryD|TestCategory~CategoryE";15            var filter6 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC|TestCategory~CategoryD|TestCategory~CategoryE|TestCategory~CategoryF";16            var filter7 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC|TestCategory~CategoryD|TestCategory~CategoryE|TestCategory~CategoryF|TestCategory~CategoryG";17            var filter8 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC|TestCategory~CategoryD|TestCategory~CategoryE|TestCategory~CategoryF|TestCategory~CategoryG|TestCategory~CategoryH";18            var filter9 = "FullyQualifiedName~UnitTestProject1.UnitTest1|TestCategory~CategoryA&TestCategory~CategoryB|TestCategory~CategoryC|TestCategory~CategoryD|TestCategory~CategoryE|TestCategory~CategoryF|TestCategory~CategoryG|TestCategory~CategoryH|TestCategory~CategoryI";

FilterExpression

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using Microsoft.VisualStudio.TestPlatform.Common.Filtering;7using Microsoft.VisualStudio.TestPlatform.ObjectModel;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;9{10    [FileExtension(".cs")]11    {12        public void Cancel()13        {14            throw new NotImplementedException();15        }16        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)17        {18            throw new NotImplementedException();19        }20        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)21        {22            throw new NotImplementedException();23        }24        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle, ITestRunSettings runSettings)25        {26            throw new NotImplementedException();27        }28    }29}30using System;31using System.Collections.Generic;32using System.Linq;33using System.Text;34using System.Threading.Tasks;35using Microsoft.VisualStudio.TestPlatform.ObjectModel;36using Microsoft.VisualStudio.TestPlatform.ObjectModel.Adapter;37{38    [FileExtension(".cs")]39    {40        public void Cancel()41        {42            throw new NotImplementedException();43        }44        public void RunTests(IEnumerable<string> sources, IRunContext runContext, IFrameworkHandle frameworkHandle)45        {46            throw new NotImplementedException();47        }48        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle)49        {50            throw new NotImplementedException();51        }52        public void RunTests(IEnumerable<TestCase> tests, IRunContext runContext, IFrameworkHandle frameworkHandle, ITestRunSettings runSettings)53        {54            throw new NotImplementedException();55        }56    }57}58using System;59using System.Collections.Generic;60using System.Linq;

FilterExpression

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;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 filter = new FilterExpression();12            filter.AddFilter("TestCategory", TestPlatform.Common.Filtering.FilterOperator.Equals, "Category1");13            Console.WriteLine(filter.ToString());14            Console.ReadLine();15        }16    }17}

FilterExpression

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Reflection;5using System.Text;6using System.Threading.Tasks;7using Microsoft.VisualStudio.TestPlatform.Common.Filtering;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.TestFramework;10using Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions;11using Microsoft.VisualStudio.TestPlatform.TestHost;12using Microsoft.VisualStudio.TestPlatform.Utilities;13using Microsoft.VisualStudio.TestPlatform.Utilities.Helpers;14{15    {16        static void Main(string[] args)17        {18            var testAssembly = Assembly.LoadFrom(@"C:\Users\mohamed\source\repos\test\test\bin\Debug\netcoreapp3.1\test.dll");19            var filterExpression = new FilterExpression();20            filterExpression.AddFilter(new Filter("FullyQualifiedName~test1"));21            var filteredTestCases = testCases.Where(filterExpression.Match).ToList();22        }23    }24}

FilterExpression

Using AI Code Generation

1var filterExpression = new FilterExpression();2filterExpression.AddFilter("FullyQualifiedName=1.Test1|FullyQualifiedName=1.Test2");3var testCases = testPlan.GetTestCases(filterExpression);4var testRunCriteria = new TestRunCriteria(testCases, 1)5{6};7var testRun = testPlan.CreateTestRun(testRunCriteria);8testRun.Execute();9testRun.WaitForCompletion();10var testResults = testRun.GetTestResults();11foreach (var testResult in testResults)12{13    Console.WriteLine(testResult.Outcome);14}15var filterExpression = new FilterExpression();16filterExpression.AddFilter("FullyQualifiedName=1.Test1|FullyQualifiedName=1.Test2");17var testCases = testPlan.GetTestCases(filterExpression);18var testRunCriteria = new TestRunCriteria(testCases, 1)19{20};21var testRun = testPlan.CreateTestRun(testRunCriteria);22testRun.Execute();23testRun.WaitForCompletion();24var testResults = testRun.GetTestResults();25foreach (var testResult in testResults)26{27    Console.WriteLine(testResult.Outcome);28}29var filterExpression = new FilterExpression();30filterExpression.AddFilter("FullyQualifiedName=1.Test1|FullyQualifiedName=1.Test2");31var testCases = testPlan.GetTestCases(filterExpression);32var testRunCriteria = new TestRunCriteria(testCases, 1)33{34};35var testRun = testPlan.CreateTestRun(testRunCriteria);36testRun.Execute();37testRun.WaitForCompletion();38var testResults = testRun.GetTestResults();39foreach (var testResult in testResults)40{41    Console.WriteLine(testResult.Outcome);42}43var filterExpression = new FilterExpression();44filterExpression.AddFilter("FullyQualifiedName=1.Test1|FullyQualifiedName=1.Test2");45var testCases = testPlan.GetTestCases(filterExpression);46var testRunCriteria = new TestRunCriteria(testCases, 1)47{48};

FilterExpression

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;2{3    {4        public static void Main(string[] args)5        {6            FilterExpression filter = new FilterExpression();7            filter.FilterTestCase("TestCategory=Smoke");8            Console.WriteLine(filter.FilterString);9        }10    }11}12using Microsoft.VisualStudio.TestPlatform.ObjectModel;13{14    {15        public static void Main(string[] args)16        {17            FilterExpression filter = new FilterExpression();18            filter.FilterTestCase("TestCategory=Smoke");19            Console.WriteLine(filter.FilterString);20        }21    }22}

FilterExpression

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;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 filterExpression = new FilterExpression();12            filterExpression.AddFilter(new Filter("FullyQualifiedName=ConsoleApplication1.UnitTest1.TestMethod1"));13            var filter = new TestCaseFilter(filterExpression);14            Console.WriteLine(filter.ToString());15            Console.ReadLine();16        }17    }18}

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.