Code inspection: NUnit.AutoFixture. Missing Test or TestFixture attribute.

This inspection reports AutoData or InlineAutoData usage when the method is missing [Test] and the containing class is also missing [TestFixture]. In that situation, NUnit will not treat the method as a runnable test.

Adding the missing NUnit attribute makes the test discoverable and executable.

Example

                using AutoFixture.NUnit3;
                public sealed class AutoTest
                {
                    [InlineAutoData]
                    public void Test1(int x)
                    {
                    }
                }
            

                using AutoFixture.NUnit3;
                using NUnit.Framework;
                public sealed class AutoTest
                {
                    [Test]
                    [InlineAutoData]
                    public void Test1(int x)
                    {
                    }
                }
            

Another available quick-fix adds [TestFixture] to the containing class instead.

31 March 2026