AsMockDbSet extension for IEnumerables

gistfile1.cs

public static Mock<DbSet<T>> AsMockDbSet<T>(this IEnumerable<T> data) where T : class
{
    var mockSet = new Mock<DbSet<T>>();
    var queryable = data.AsQueryable();

    mockSet.As<IQueryable<T>>().Setup(m => m.Provider).Returns(() => queryable.Provider);
    mockSet.As<IQueryable<T>>().Setup(m => m.Expression).Returns(() => queryable.Expression);
    mockSet.As<IQueryable<T>>().Setup(m => m.ElementType).Returns(() => queryable.ElementType);
    mockSet.As<IQueryable<T>>().Setup(m => m.GetEnumerator()).Returns(() => queryable.GetEnumerator());

    mockSet.CallBase = true;

    return mockSet;
}