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#![allow(dead_code)]
#![cfg(feature = "suggestions")]
use darling::{FromDeriveInput, FromMeta};
use syn::parse_quote;
#[derive(Debug, FromDeriveInput)]
#[darling(attributes(suggest))]
struct Lorem {
ipsum: String,
dolor: Dolor,
// This field is included to make sure that skipped fields aren't suggested.
#[darling(skip)]
amet: bool,
}
#[derive(Debug, FromMeta)]
struct Dolor {
sit: bool,
}
#[test]
fn suggest_dolor() {
let input: syn::DeriveInput = parse_quote! {
#[suggest(ipsum = "Hello", dolorr(sit))]
pub struct Foo;
};
let result = Lorem::from_derive_input(&input).unwrap_err();
assert_eq!(2, result.len());
assert!(format!("{}", result).contains("Did you mean"));
}
#[test]
fn dont_suggest_skipped_field() {
let input: syn::DeriveInput = parse_quote! {
#[suggest(ipsum = "Hello", dolor(sit), amt)]
pub struct Foo;
};
let result = Lorem::from_derive_input(&input).unwrap_err();
assert_eq!(1, result.len());
assert!(!format!("{}", result).contains("amet"));
}