AutoFixture + AutoMoq - Using Custom Attribute to Generate TestData

AutoFixtureLearningTests.cs

using AutoFixture;
using AutoFixture.AutoMoq;
using AutoFixture.Xunit2;

namespace AutoFixtureSandbox.Tests
{
    public class AutoMoqDataAttribute : AutoDataAttribute
    {
        public AutoMoqDataAttribute() : base(() =>
        {
            var fixture = new Fixture();
            fixture.Customize(new AutoConfiguredMoqCustomization());
            return fixture;
        }){}
    }
}

---

using AutoFixture.Xunit2;
using Moq;
using Xunit;

namespace AutoFixtureSandbox.Tests
{
    public class AutoFixtureLearningTests
    {
        [Theory]
        [AutoMoqData]
        public void CanSetTestDoubleWithAutoFixtureAutoMoq([Frozen] Mock<IEngine> mockEngine, Car sut)
        {
            sut.Start();

            Assert.NotNull(sut.EngineModel);
            mockEngine.Verify(engine => engine.Start(), Times.Once);
        }

    }


    public class Car
    {
        private readonly string model;
        private readonly string make;
        private readonly int productionYear;
        private readonly IEngine engine;


        public Car(string model, string make, int productionYear, IEngine engine)
        {
            this.model = model;
            this.make = make;
            this.productionYear = productionYear;
            this.engine = engine;
        }


        public string Model => model;

        public string Make => make;

        public int ProductionYear => productionYear;

        public string EngineModel => engine.Model;


        public void Start() => engine.Start();
    }

    public interface IEngine
    {
        string Model { get; }

        void Start();
    }


}