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

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

FilteringTestUtils.cs

Source:FilteringTestUtils.cs Github

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...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);...

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TestCaseFilterExpressionTests.cs

Source:TestCaseFilterExpressionTests.cs Github

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...12 {13 [TestMethod]14 public void ValidForPropertiesShouldNotSetvalidForMatchVariableTofalseIfFilterIsInvalid()15 {16 var filterExpressionWrapper = new FilterExpressionWrapper("highlyunlikelyproperty=unused");17 var testCaseFilterExpression = new TestCaseFilterExpression(filterExpressionWrapper);18 Assert.AreEqual("highlyunlikelyproperty", testCaseFilterExpression.ValidForProperties(new List<string>() { "TestCategory" }, (s) => { return null; }).Single());19 TestCase dummyTestCase = new TestCase();20 bool result = testCaseFilterExpression.MatchTestCase(dummyTestCase, (s) => { return "unused"; });21 Assert.IsTrue(result);22 }23 }24}...

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FilterExpressionWrapper

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1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;2using Microsoft.VisualStudio.TestPlatform.ObjectModel;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9 {10 static void Main(string[] args)11 {12 var filter = new FilterExpressionWrapper("TestCategory!=Smoke");13 testCase1.Traits.Add(new Trait("TestCategory", "Smoke"));14 testCase2.Traits.Add(new Trait("TestCategory", "Regression"));15 testCase5.Traits.Add(new Trait("TestCategory", "Smoke"));16 var testCases = new List<TestCase> { testCase1, testCase2, testCase3, testCase4, testCase5 };17 var filteredTestCases = testCases.Where(filter.Match).ToList();18 foreach (var testCase in filteredTestCases)19 {20 Console.WriteLine(testCase.FullyQualifiedName);21 }22 Console.ReadLine();23 }24 }25}

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FilterExpressionWrapper

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1using Microsoft.VisualStudio.TestPlatform.Common.Filtering;2using System;3{4 {5 static void Main(string[] args)6 {7 var filterExpression = new FilterExpressionWrapper("TestCategory=Category1");8 Console.WriteLine(filterExpression.FilterString);9 Console.ReadLine();10 }11 }12}13private string GetFilterString()14{15 var testContainer = TestContainerService.FindTestContainer(TestContainer);16 if (testContainer == null)17 return null;18 var testContainerService = TestContainerService as ITestContainerService2;19 if (testContainerService == null)20 return null;21 var filterString = testContainerService.GetTestContainerFilterString(testContainer);22 return filterString;23}24Error 1 The type or namespace name 'ITestContainerService2' could not be found (are you missing a using directive or an assembly reference?) C:\Users\rajasekarr\source\repos\ConsoleApp2\ConsoleApp2\Program.cs 31 Active25private string GetFilterString()26{27 var testContainer = TestContainerService.FindTestContainer(TestContainer);

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FilterExpressionWrapper

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1{2 static void Main(string[] args)3 {4 var filter = new FilterExpressionWrapper("TestCategory=Unit");5 Console.WriteLine(filter.FilterExpression);6 }7}8{9 static void Main(string[] args)10 {11 var filter = new FilterExpression("TestCategory=Unit");12 Console.WriteLine(filter.FilterString);13 }14}

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FilterExpressionWrapper

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1{2 public MyFilterExpressionWrapper(string filterString) : base(filterString)3 {4 }5 public override bool MatchTestCase(TestCase testCase)6 {

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