use bart_derive::BartDisplay;

#[test]
fn it_skips_some_option() {
    #[derive(BartDisplay)]
    #[template_string = "[{{^x}}it{{/x}}]"]
    struct Test {
        x: Option<i32>,
    }

    assert_eq!("[]", Test { x: Some(42) }.to_string());
}

#[test]
fn it_includes_none_option() {
    #[derive(BartDisplay)]
    #[template_string = "[{{^x}}it{{/x}}]"]
    struct Test {
        x: Option<i32>,
    }

    assert_eq!("[it]", Test { x: None }.to_string());
}

#[test]
fn it_supports_borrowed_option() {
    #[derive(BartDisplay)]
    #[template_string = "[{{^x}}it{{/x}}]"]
    struct Test<'a> {
        x: &'a Option<i32>,
    }

    assert_eq!("[it]", Test { x: &None }.to_string());
}

#[test]
fn it_supports_multiply_borrowed_option() {
    #[derive(BartDisplay)]
    #[template_string = "[{{^x}}it{{/x}}]"]
    struct Test<'a> {
        x: &'a &'a &'a Option<i32>,
    }

    assert_eq!("[it]", Test { x: &&&None }.to_string());
}

#[test]
fn it_skips_ok_result() {
    #[derive(BartDisplay)]
    #[template_string = "[{{^x}}{{.}}{{/x}}]"]
    struct Test<'a> {
        x: &'a Result<i32, i32>,
    }

    assert_eq!("[]", Test { x: &Ok(42) }.to_string());
}

#[test]
fn it_yields_err_result() {
    #[derive(BartDisplay)]
    #[template_string = "[{{^x}}{{.}}{{/x}}]"]
    struct Test<'a> {
        x: &'a Result<i32, i32>,
    }

    assert_eq!("[42]", Test { x: &Err(42) }.to_string());
}