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#![allow(dead_code)]
//! These tests verify that multiple errors will be collected up from throughout
//! the parsing process and returned correctly to the caller.
use darling::{ast, FromDeriveInput, FromField, FromMeta};
use syn::parse_quote;
#[derive(Debug, FromDeriveInput)]
#[darling(attributes(accrue))]
struct Lorem {
ipsum: String,
dolor: Dolor,
data: ast::Data<(), LoremField>,
}
#[derive(Debug, FromMeta)]
struct Dolor {
sit: bool,
}
#[derive(Debug, FromField)]
#[darling(attributes(accrue))]
struct LoremField {
ident: Option<syn::Ident>,
aliased_as: syn::Ident,
}
#[test]
fn bad_type_and_missing_fields() {
let input = parse_quote! {
#[accrue(ipsum = true, dolor(amet = "Hi"))]
pub struct NonConforming {
foo: ()
}
};
let s_result: ::darling::Error = Lorem::from_derive_input(&input).unwrap_err();
let err = s_result.flatten();
println!("{}", err);
assert_eq!(3, err.len());
}
#[test]
fn body_only_issues() {
let input = parse_quote! {
#[accrue(ipsum = "Hello", dolor(sit))]
pub struct NonConforming {
foo: (),
bar: bool,
}
};
let s_err = Lorem::from_derive_input(&input).unwrap_err();
println!("{:?}", s_err);
assert_eq!(2, s_err.len());
}
#[derive(Debug, FromMeta)]
enum Week {
Monday,
Tuesday { morning: bool, afternoon: String },
Wednesday(Dolor),
}
#[derive(Debug, FromDeriveInput)]
#[darling(attributes(accrue))]
struct Month {
schedule: Week,
}
#[test]
fn error_in_enum_fields() {
let input = parse_quote! {
#[accrue(schedule(tuesday(morning = "yes")))]
pub struct NonConforming {
foo: (),
bar: bool,
}
};
let s_err = Month::from_derive_input(&input).unwrap_err();
assert_eq!(2, s_err.len());
let err = s_err.flatten();
// TODO add tests to check location path is correct
println!("{}", err);
}
#[test]
fn error_in_newtype_variant() {
let input = parse_quote! {
#[accrue(schedule(wednesday(sit = "yes")))]
pub struct NonConforming {
foo: (),
bar: bool,
}
};
let s_err = Month::from_derive_input(&input).unwrap_err();
assert_eq!(1, s_err.len());
println!("{}", s_err);
println!("{}", s_err.flatten());
}