How to use TraitAttribute method of Xunit.v3.Mocks class

Best Xunit code snippet using Xunit.v3.Mocks.TraitAttribute

Mocks.cs

Source:Mocks.cs

...630		result.GetNamedArgument<string>("Skip").Returns(skip);631		result.GetNamedArgument<int>("Timeout").Returns(timeout);632		return result;633	}634	public static IReflectionAttributeInfo TraitAttribute<T>()635		where T : Attribute, new()636	{637		var result = Substitute.For<IReflectionAttributeInfo, InterfaceProxy<IReflectionAttributeInfo>>();638		result.Attribute.Returns(new T());639		return result;640	}641	public static IReflectionAttributeInfo TraitAttribute(642		string name,643		string value)644	{645		var result = Substitute.For<IReflectionAttributeInfo, InterfaceProxy<IReflectionAttributeInfo>>();646		var traitDiscovererAttributes = new[] { TraitDiscovererAttribute() };647		result.GetCustomAttributes(typeof(TraitDiscovererAttribute)).Returns(traitDiscovererAttributes);648		result.Attribute.Returns(new TraitAttribute(name, value));649		result.GetConstructorArguments().Returns(new object[] { name, value });650		return result;651	}652	public static IAttributeInfo TraitDiscovererAttribute(653		string typeName = "Xunit.Sdk.TraitDiscoverer",654		string assemblyName = "xunit.v3.core")655	{656		var result = Substitute.For<IReflectionAttributeInfo, InterfaceProxy<IReflectionAttributeInfo>>();657		result.Attribute.Returns(new TraitDiscovererAttribute(typeName, assemblyName));658		result.GetConstructorArguments().Returns(new object[] { typeName, assemblyName });659		return result;660	}661	public static IAttributeInfo TraitDiscovererAttribute(Type discovererType)662	{663		var result = Substitute.For<IReflectionAttributeInfo, InterfaceProxy<IReflectionAttributeInfo>>();664		result.Attribute.Returns(new TraitDiscovererAttribute(discovererType));665		result.GetConstructorArguments().Returns(new object[] { discovererType });666		return result;667	}668	public static IAttributeInfo TraitDiscovererAttribute<TDiscoverer>() =>669		TraitDiscovererAttribute(typeof(TDiscoverer));670	public static ITypeInfo TypeInfo(671		string? typeName = null,672		IMethodInfo[]? methods = null,673		IReflectionAttributeInfo[]? attributes = null,674		string? assemblyFileName = null)675	{676		var result = Substitute.For<ITypeInfo, InterfaceProxy<ITypeInfo>>();677		result.Name.Returns(typeName ?? "type:" + Guid.NewGuid().ToString("n"));678		result.GetMethods(false).ReturnsForAnyArgs(methods ?? new IMethodInfo[0]);679		var assemblyInfo = AssemblyInfo(assemblyFileName: assemblyFileName);680		result.Assembly.Returns(assemblyInfo);681		result.GetCustomAttributes("").ReturnsForAnyArgs(callInfo => LookupAttribute(callInfo.Arg<string>(), attributes));682		return result;683	}684	public static XunitTestCase XunitTestCase<TClassUnderTest>(685		string methodName,686		ITestCollection? collection = null,687		object[]? testMethodArguments = null,688		IMessageSink? diagnosticMessageSink = null)689	{690		var method = TestMethod(typeof(TClassUnderTest), methodName, collection);691		return new XunitTestCase(diagnosticMessageSink ?? new NullMessageSink(), TestMethodDisplay.ClassAndMethod, TestMethodDisplayOptions.None, method, testMethodArguments);692	}693	public static XunitTheoryTestCase XunitTheoryTestCase<TClassUnderTest>(694		string methodName,695		ITestCollection? collection = null,696		IMessageSink? diagnosticMessageSink = null)697	{698		var method = TestMethod(typeof(TClassUnderTest), methodName, collection);699		return new XunitTheoryTestCase(diagnosticMessageSink ?? new NullMessageSink(), TestMethodDisplay.ClassAndMethod, TestMethodDisplayOptions.None, method);700	}701	// Helpers702	static Dictionary<string, List<string>> GetTraits(IMethodInfo method)703	{704		var result = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);705		foreach (var traitAttribute in method.GetCustomAttributes(typeof(TraitAttribute)))706		{707			var ctorArgs = traitAttribute.GetConstructorArguments().ToList();708			result.Add((string)ctorArgs[0], (string)ctorArgs[1]);709		}710		return result;711	}712}...

Mocks.Attributes.cs

Source:Mocks.Attributes.cs

...177			result.GetNamedArgument<string>("Skip").Returns(skip);178			result.GetNamedArgument<int>("Timeout").Returns(timeout);179			return result;180		}181		public static _IReflectionAttributeInfo TraitAttribute(182			string name,183			string value)184		{185			var attribute = new TraitAttribute(name, value);186			var traitDiscovererAttributes = new[] { TraitDiscovererAttribute() };187			var result = Substitute.For<_IReflectionAttributeInfo, InterfaceProxy<_IReflectionAttributeInfo>>();188			result.Attribute.Returns(attribute);189			result.GetConstructorArguments().Returns(new object[] { name, value });190			result.GetCustomAttributes(typeof(TraitDiscovererAttribute)).Returns(traitDiscovererAttributes);191			return result;192		}193		public static _IReflectionAttributeInfo TraitAttribute<TTraitAttribute>()194			where TTraitAttribute : Attribute, ITraitAttribute, new()195		{196			var attribute = new TTraitAttribute();197			var traitDiscovererAttributes = LookupAttribute<TTraitAttribute, TraitDiscovererAttribute>();198			var result = Substitute.For<_IReflectionAttributeInfo, InterfaceProxy<_IReflectionAttributeInfo>>();199			result.Attribute.Returns(attribute);200			result.GetCustomAttributes(typeof(TraitDiscovererAttribute)).Returns(traitDiscovererAttributes);201			return result;202		}203		public static _IReflectionAttributeInfo TraitDiscovererAttribute(204			string typeName = "Xunit.Sdk.TraitDiscoverer",205			string assemblyName = "xunit.v3.core")206		{207			var attribute = new TraitDiscovererAttribute(typeName, assemblyName);208			var result = Substitute.For<_IReflectionAttributeInfo, InterfaceProxy<_IReflectionAttributeInfo>>();209			result.Attribute.Returns(attribute);210			result.GetConstructorArguments().Returns(new object[] { typeName, assemblyName });211			return result;...

XunitTestCaseTests.cs

Source:XunitTestCaseTests.cs

...50	{51		[Fact]52		public static void TraitsOnTestMethod()53		{54			var trait1 = Mocks.TraitAttribute("Trait1", "Value1");55			var trait2 = Mocks.TraitAttribute("Trait2", "Value2");56			var testMethod = Mocks.TestMethod(methodAttributes: new[] { trait1, trait2 });57			var testCase = new TestableXunitTestCase(testMethod);58			Assert.Equal("Value1", Assert.Single(testCase.Traits["Trait1"]));59			Assert.Equal("Value2", Assert.Single(testCase.Traits["Trait2"]));60		}61		[Fact]62		public static void TraitsOnTestClass()63		{64			var trait1 = Mocks.TraitAttribute("Trait1", "Value1");65			var trait2 = Mocks.TraitAttribute("Trait2", "Value2");66			var testMethod = Mocks.TestMethod(classAttributes: new[] { trait1, trait2 });67			var testCase = new TestableXunitTestCase(testMethod);68			Assert.Equal("Value1", Assert.Single(testCase.Traits["Trait1"]));69			Assert.Equal("Value2", Assert.Single(testCase.Traits["Trait2"]));70		}71		[Fact]72		public async void CustomTrait()73		{74			var messages = await RunAsync(typeof(ClassWithCustomTraitTest));75			var passingTests = messages.OfType<_TestPassed>();76			var passingTest = Assert.Single(passingTests);77			var passingTestCaseStarting = messages.OfType<_TestCaseStarting>().Single(tcs => tcs.TestCaseUniqueID == passingTest.TestCaseUniqueID);78			Assert.Collection(79				passingTestCaseStarting.Traits.OrderBy(x => x.Key),80				namedTrait =>81				{82					Assert.Equal("Assembly", namedTrait.Key);83					var value = Assert.Single(namedTrait.Value);84					Assert.Equal("Trait", value);85				},86				namedTrait =>87				{88					Assert.Equal("Author", namedTrait.Key);89					var value = Assert.Single(namedTrait.Value);90					Assert.Equal("Some Schmoe", value);91				},92				namedTrait =>93				{94					Assert.Equal("Bug", namedTrait.Key);95					var value = Assert.Single(namedTrait.Value);96					Assert.Equal("2112", value);97				}98			);99		}100		[Fact]101		public static void CustomTraitWithoutDiscoverer()102		{103			var spy = SpyMessageSink.Capture();104			TestContext.Current!.DiagnosticMessageSink = spy;105			var trait = Mocks.TraitAttribute<BadTraitAttribute>();106			var testMethod = Mocks.TestMethod(classAttributes: new[] { trait });107			var testCase = new TestableXunitTestCase(testMethod);108			Assert.Empty(testCase.Traits);109			var diagnosticMessages = spy.Messages.OfType<_DiagnosticMessage>();110			var diagnosticMessage = Assert.Single(diagnosticMessages);111			Assert.Equal($"Trait attribute on '{testCase.TestCaseDisplayName}' did not have [TraitDiscoverer]", diagnosticMessage.Message);112		}113		class BadTraitAttribute : Attribute, ITraitAttribute { }114		class ClassWithCustomTraitTest115		{116			[Fact]117			[Bug(2112)]118			[Trait("Author", "Some Schmoe")]119			public static void BugFix() { }120		}121		public class BugDiscoverer : ITraitDiscoverer122		{123			public IReadOnlyCollection<KeyValuePair<string, string>> GetTraits(_IAttributeInfo traitAttribute)124			{125				var ctorArgs = traitAttribute.GetConstructorArguments().ToList();126				return new[] { new KeyValuePair<string, string>("Bug", ctorArgs[0]!.ToString()!) };127			}128		}129		[TraitDiscoverer(typeof(BugDiscoverer))]130		class BugAttribute : Attribute, ITraitAttribute131		{132			public BugAttribute(int id) { }133		}134		public static TheoryData<Type, IEnumerable<string>> CustomAttributeTestCases() =>135			new()136			{137				{ typeof(ClassWithSingleTrait), new[] { "One" } },138				{ typeof(ClassWithMultipleTraits), new[] { "One", "Two" } },139				{ typeof(InheritedClassWithOnlyOwnTrait), new[] { "One" } },140				{ typeof(InheritedClassWithOnlyOwnMultipleTraits), new[] { "One", "Two" } },141				{ typeof(InheritedClassWithSingleBaseClassTrait), new[] { "BaseOne" } },142				{ typeof(InheritedClassWithMultipleBaseClassTraits), new[] { "BaseOne", "BaseTwo" } },143				{ typeof(InheritedClassWithOwnSingleTraitAndSingleBaseClassTrait), new[] { "One", "BaseOne" } },144				{ typeof(InheritedClassWithOwnSingleTraitAndMultipleBaseClassTrait), new[] { "One", "BaseOne", "BaseTwo" } },...

Mocks.Reflection.cs

Source:Mocks.Reflection.cs

...30			Reflector.Wrap(assembly);31		static IReadOnlyDictionary<string, IReadOnlyList<string>> GetTraits(_IMethodInfo method)32		{33			var result = new Dictionary<string, List<string>>(StringComparer.OrdinalIgnoreCase);34			foreach (var traitAttribute in method.GetCustomAttributes(typeof(TraitAttribute)))35			{36				var ctorArgs = traitAttribute.GetConstructorArguments().ToList();37				result.Add((string)ctorArgs[0]!, (string)ctorArgs[1]!);38			}39			return result.ToReadOnly();40		}41		public static _IReflectionMethodInfo MethodInfo<TClass>(string methodName) =>42			Guard.ArgumentNotNull(43				$"Could not find method '{methodName}' on '{typeof(TClass).FullName}'",44				Reflector.Wrap(typeof(TClass).GetMethod(methodName)),45				nameof(methodName)46			);47		public static _IMethodInfo MethodInfo(48			string? methodName = null,...

TraitAttribute

Using AI Code Generation

1using Xunit;2using Xunit.v3;3{4    [Trait("Category", "Unit")]5    [Trait("Category", "Integration")]6    [Trait("Category", "Smoke")]7    public void TestMethod()8    {9        Assert.True(true);10    }11}12using Xunit;13using Xunit.v3;14{15    [Trait(Category = "Unit")]16    [Trait(Category = "Integration")]17    [Trait(Category = "Smoke")]18    public void TestMethod()19    {20        Assert.True(true);21    }22}23using Xunit;24using Xunit.v3;25{26    [Trait(Category = "Unit", Category = "Integration", Category = "Smoke")]27    public void TestMethod()28    {29        Assert.True(true);30    }31}32using Xunit;33using Xunit.v3;34{35    [Trait("Category", "Unit", "Integration", "Smoke")]36    public void TestMethod()37    {38        Assert.True(true);39    }40}41using Xunit;42using Xunit.v3;43{44    [Trait("Category", "Unit")]45    [Trait("Category", "Integration")]46    [Trait("Category", "Smoke")]47    public void TestMethod()48    {49        Assert.True(true);50    }51}52using Xunit;53using Xunit.v3;54{55    [Trait("Category", "Unit")]56    [Trait("Category", "Integration")]57    [Trait("Category", "Smoke")]58    public void TestMethod()59    {60        Assert.True(true);61    }62}63using Xunit;64using Xunit.v3;65{66    [Trait("Category", "Unit")]67    [Trait("Category", "Integration")]68    [Trait("Category", "Smoke")]69    public void TestMethod()

TraitAttribute

Using AI Code Generation

1using Xunit;2{3    public void TestMethod1()4    {5        var trait = Xunit.v3.Mocks.TraitAttribute("Category", "Unit");6        Assert.Equal("Category", trait.Name);7        Assert.Equal("Unit", trait.Value);8    }9}

TraitAttribute

Using AI Code Generation

1using Xunit;2using Xunit.v3;3{4    public void TraitAttributeUsage()5    {6        var trait = Mocks.TraitAttribute("Category", "Unit");7        Assert.Equal("Category", trait.Name);8        Assert.Equal("Unit", trait.Value);9    }10}

TraitAttribute

Using AI Code Generation

1using Xunit.v3.Mocks;2{3    [TraitAttribute("Category","Smoke")]4    public void TestMethod()5    {6    }7}8using Xunit.v3.Mocks;9{10    [TraitAttribute("Category","Smoke")]11    [TraitAttribute("TestType","Functional")]12    public void TestMethod()13    {14    }15}16using Xunit.v3.Mocks;17{18    [TraitAttribute("Category","Smoke")]19    [TraitAttribute("Category","Functional")]20    public void TestMethod()21    {22    }23}24using Xunit.v3.Mocks;25{26    [TraitAttribute("Category","Smoke")]27    [TraitAttribute("TestType","Functional")]28    [TraitAttribute("Category","Functional")]29    public void TestMethod()30    {31    }32}33using Xunit.v3.Mocks;34{35    [TraitAttribute("Category","Smoke")]36    [TraitAttribute("TestType","Functional")]37    [TraitAttribute("Category","Functional")]38    [TraitAttribute("Category","Functional")]39    public void TestMethod()40    {41    }42}43using Xunit.v3.Mocks;44{45    [TraitAttribute("Category","Smoke")]46    [TraitAttribute("TestType","Functional")]47    [TraitAttribute("Category","Functional")]48    [TraitAttribute("Category","Functional")]49    [TraitAttribute("Category","Functional")]50    public void TestMethod()51    {52    }53}54using Xunit.v3.Mocks;55{56    [TraitAttribute("Category","Smoke")]57    [TraitAttribute("TestType","Functional")]

TraitAttribute

Using AI Code Generation

1using Xunit;2{3    {4        public static TypeAttributeInfo Create(string name, string value)5        {6            return new TypeAttributeInfo(typeof(Xunit.TraitAttribute), new object[] { name, value });7        }8    }9}10using Xunit;11{12    {13        public static TypeAttributeInfo Create(string name, string value)14        {15            return new TypeAttributeInfo(typeof(Xunit.TraitAttribute), new object[] { name, value });16        }17    }18}19using Xunit;20{21    {22        public static TypeAttributeInfo Create(string name, string value)23        {24            return new TypeAttributeInfo(typeof(Xunit.TraitAttribute), new object[] { name, value });25        }26    }27}28using Xunit;29{30    {31        public static TypeAttributeInfo Create(string name, string value)32        {33            return new TypeAttributeInfo(typeof(Xunit.TraitAttribute), new object[] { name, value });34        }35    }36}37using Xunit;38{39    {40        public static TypeAttributeInfo Create(string name, string value)41        {42            return new TypeAttributeInfo(typeof(Xunit.TraitAttribute), new object[] { name, value });43        }44    }45}46using Xunit;47{48    {49        public static TypeAttributeInfo Create(string name, string value)50        {

TraitAttribute

Using AI Code Generation

1using Xunit;2using Xunit.v3;3using Xunit.v3.Mocks;4{5    {6        [Trait("Category", "Unit")]7        [Trait("Priority", "High")]8        public void TestMethod()9        {10        }11    }12}13using Xunit;14using Xunit.v3;15using Xunit.v3.Mocks;16{17    {18        public void TestMethod()19        {20        }21    }22}23using Xunit;24using Xunit.v3;25using Xunit.v3.Mocks;26{27    {28        [Trait("Category", "Unit")]29        public void TestMethod()30        {31        }32    }33}34using Xunit;35using Xunit.v3;36using Xunit.v3.Mocks;37{38    {39        [Trait("Priority", "High")]40        public void TestMethod()41        {42        }43    }44}45using Xunit;46using Xunit.v3;47using Xunit.v3.Mocks;48{49    {50        [Trait("Category", "Unit")]51        [Trait("Priority", "High")]52        public void TestMethod()53        {54        }55    }56}57using Xunit;58using Xunit.v3;59using Xunit.v3.Mocks;60{61    {62        [Trait("Category", "Unit

TraitAttribute

Using AI Code Generation

1var attr = Xunit.v3.Mocks.TraitAttribute("Category", "Unit");2public void Test1()3{4    Assert.True(true);5}6var attr = Xunit.v3.Mocks.TraitAttribute("Category", "Unit");7[Category("Unit")]8public void Test1()9{10    Assert.True(true);11}12var attr = Xunit.v3.Mocks.TraitAttribute("Category", "Unit");13[Category("Unit")]14[Category("Integration")]15public void Test1()16{17    Assert.True(true);18}19var attr = Xunit.v3.Mocks.TraitAttribute("Category", "Unit");20[Category("Unit")]21[Category("Integration")]22[Category("Performance")]23public void Test1()24{25    Assert.True(true);26}27var attr = Xunit.v3.Mocks.TraitAttribute("Category", "Unit");28[Category("Unit")]29[Category("Integration")]30[Category("Performance")]31[Category("Smoke")]32public void Test1()33{34    Assert.True(true);35}

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