use mockiato::mockable;

#[mockable(static_references)]
trait Greeter: GreeterClone {
    fn greet(&self, name: &str) -> String;
}

/// See: <https://stackoverflow.com/a/30353928>
trait GreeterClone {
    fn clone_box(&self) -> Box<dyn Greeter>;
}

impl<T> GreeterClone for T
where
    T: Greeter + Clone + 'static,
{
    fn clone_box(&self) -> Box<dyn Greeter> {
        Box::new(self.clone())
    }
}

fn main() {
    let mut greeter = GreeterMock::new();

    greeter
        .expect_greet(|arg| arg.partial_eq("Tom"))
        .times(2)
        .returns(String::from("Hello Tom"));

    assert_eq!("Hello Tom", greeter.greet("Tom"));

    {
        let greeter_clone = greeter.clone_box();

        assert_eq!("Hello Tom", greeter_clone.greet("Tom"));
    }

    assert_eq!("Hello Tom", greeter.greet("Tom"));
}