1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
#[macro_use]
extern crate darling;
#[macro_use]
extern crate syn;
#[macro_use]
extern crate quote;
use darling::FromDeriveInput;
#[derive(Default, FromMeta, PartialEq, Debug)]
#[darling(default)]
struct Lorem {
ipsum: bool,
dolor: Option<String>,
}
#[derive(FromDeriveInput, PartialEq, Debug)]
#[darling(attributes(darling_demo))]
struct Core {
ident: syn::Ident,
vis: syn::Visibility,
generics: syn::Generics,
lorem: Lorem,
}
#[derive(FromDeriveInput, PartialEq, Debug)]
#[darling(attributes(darling_demo))]
struct TraitCore {
ident: syn::Ident,
generics: syn::Generics,
lorem: Lorem,
}
#[test]
fn simple() {
let di = parse_quote! {
#[derive(Foo)]
#[darling_demo(lorem(ipsum))]
pub struct Bar;
};
assert_eq!(
Core::from_derive_input(&di).unwrap(),
Core {
ident: parse_quote!(Bar),
vis: parse_quote!(pub),
generics: Default::default(),
lorem: Lorem {
ipsum: true,
dolor: None,
},
}
);
}
#[test]
fn trait_type() {
let di = parse_quote! {
#[derive(Foo)]
#[darling_demo(lorem(dolor = "hello"))]
pub struct Bar;
};
assert_eq!(
TraitCore::from_derive_input(&di).unwrap(),
TraitCore {
ident: parse_quote!(Bar),
generics: Default::default(),
lorem: Lorem {
ipsum: false,
dolor: Some("hello".to_owned()),
}
}
);
}
|
