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