<PackageReference Include="NUnit" Version="4.2.2" />

TestFixture

TestFixture is a surrogate for a user test fixture class, containing one or more tests.
using NUnit.Framework.Interfaces; using System; using System.Runtime.CompilerServices; namespace NUnit.Framework.Internal { [System.Runtime.CompilerServices.NullableContext(1)] [System.Runtime.CompilerServices.Nullable(0)] public class TestFixture : TestSuite, IDisposableFixture { public LifeCycle LifeCycle { get; set; } public new ITypeInfo TypeInfo => base.TypeInfo; public TestFixture(ITypeInfo fixtureType, [System.Runtime.CompilerServices.Nullable(2)] object[] arguments = null) : base(fixtureType, arguments) { base.SetUpMethods = TypeInfo.GetMethodsWithAttribute<SetUpAttribute>(true); base.TearDownMethods = TypeInfo.GetMethodsWithAttribute<TearDownAttribute>(true); base.OneTimeSetUpMethods = TypeInfo.GetMethodsWithAttribute<OneTimeSetUpAttribute>(true); base.OneTimeTearDownMethods = TypeInfo.GetMethodsWithAttribute<OneTimeTearDownAttribute>(true); CheckSetUpTearDownMethods(base.OneTimeSetUpMethods); CheckSetUpTearDownMethods(base.OneTimeTearDownMethods); CheckSetUpTearDownMethods(base.SetUpMethods); CheckSetUpTearDownMethods(base.TearDownMethods); } private TestFixture(TestFixture fixture, ITestFilter filter) : base(fixture, filter) { } public TestFixture(ITypeInfo fixtureType, Exception ex) : base(fixtureType, null) { MakeInvalid(ex, "Failure building TestFixture"); } public override TestSuite Copy(ITestFilter filter) { return new TestFixture(this, filter); } } }