Test method for PersonController returning an empty list of Person

PersonControllerSpec.Get_NoArgs_ReturnsEmptyList.cs

[Fact]
public void Get_NoArgs_ReturnsEmptyList()
{
    // Setup repository to return an empty list
    this._repository.Setup(r => r.FindAll())
        .Returns(new List<Person>());

    // Pass the mock repository to the controllers constructor
    var controller = new PersonController(this._repository.Object);

    // Call controller to get values
    var result = controller.Get().Value;

    // Assert the values
    result.Should().BeOfType<List<Person>>();
    result.Should().BeEmpty();
}