A discussion branch for a question on Stack Overflow about using AutoFixture declaratively.

Test_With_InlineAutoMockDataAttribute.cs

// http://stackoverflow.com/questions/16145284/autofixture-how-to-express-the-following-code-declaratively/16145954?noredirect=1#16145284

public class Tests
{
    [Theory]
    [InlineAutoMockData(@"-o=C:\Temp\someFile -p=1")]
    [InlineAutoMockData(@"-p=1 -o=C:\Temp\someFile")]
    public void ParseMissingParameterShouldReturnCorrectResult(
        string argsString,
        SomeClass sut)
    {
    }

    [Theory]
    [InlineAutoMockData(@"-o=C:\Temp\someFile -p=1")]
    [InlineAutoMockData(@"-p=1 -o=C:\Temp\someFile")]
    public void ParseMissingParameterShouldReturnCorrectResult2(
        string argsString,
        [Frozen]Mock<IFoo> mock,
        [Frozen]Mock<IBar> stub,
        SomeClass sut)
    {
    }
}

internal class InlineAutoMockDataAttribute : CompositeDataAttribute
{
    internal InlineAutoMockDataAttribute(params object[] values)
        : base(
            new InlineDataAttribute(values),
            new AutoDataAttribute(
                new Fixture().Customize(
                    new CompositeCustomization(
                        new AutoFakeItEasyCustomization()))))
    {
    }
}

public class SomeClass : IQux
{
    private readonly IFoo foo;

    public SomeClass(IFoo foo)
    {
        this.foo = foo;
    }

    public IFoo Foo
    {
        get { return this.foo; }
    }
}

public interface IQux
{
}

public interface IFoo
{
}

public interface IBar
{
}

public class Foo : IFoo
{
    public Foo(IBar bar)
    {
    }
}

public class Bar : IBar
{
}