6 releases (3 stable)
1.0.2 | May 25, 2022 |
---|---|
1.0.0 | May 22, 2022 |
0.2.1 | May 20, 2022 |
0.2.0 | May 20, 2022 |
0.1.0 | May 20, 2022 |
#2599 in Rust patterns
Used in 2 crates
8KB
63 lines
assert_parse
The util to assert macro parsing.
Examples
use assert_parse::*;
use syn::parse::Parse;
use thiserror::Error;
#[derive(Error, Debug)]
enum InputError {
#[error("This is not ident.")]
NotIdent,
}
struct Input(syn::Ident);
impl Parse for Input {
fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
let i = match input.parse() {
Ok(i) => i,
Err(e) => {
return syn::Error::new(e.span(), InputError::NotIdent.to_string());
}
};
Ok(Self(i))
}
}
#[cfg(test)]
mod test {
use super::*;
use quote::quote;
use rstest::*;
type Assert = Assert<Input, InputError>;
#[fixture]
fn assert() -> Assert {
make_assert()
}
#[rstest]
fn error(assert: Assert) {
let input = quote! {1};
assert.error(input, InputError::NotIdent);
}
#[rstest]
fn ok() {
let input = quote! {mock};
assert.ok(input, |i| {
assert_eq!(i.to_string(), "mock".to_string());
});
}
}
Or you can use the macro like this.
use assert_parse::*;
use syn::parse::Parse;
use thiserror::Error;
#[derive(Error, Debug)]
enum InputError {
#[error("This is not ident.")]
NotIdent,
}
struct Input(syn::Ident);
impl Parse for Input {
fn parse(input: syn::parse::ParseStream) -> syn::Result<Self> {
let i = match input.parse() {
Ok(i) => i,
Err(e) => {
return syn::Error::new(e.span(), InputError::NotIdent.to_string());
}
};
Ok(Self(i))
}
}
#[cfg(test)]
mod test {
use super::*;
use quote::quote;
use rstest::*;
use assert_parse::register_assert;
register_assert!(Input,InputError);
#[rstest]
fn error(assert: Assert) {
let input = quote! {1};
assert.error(input, InputError::NotIdent);
}
#[rstest]
fn ok() {
let input = quote! {mock};
assert.ok(input, |i| {
assert_eq!(i.to_string(), "mock".to_string());
});
}
}
what this do
The crate works very smally, but it makes some bases of codes same. So, this is useful as the templete maker.
dependencies
The crate does not have used on an example as dependencies. You can choice only using this or joining this and others to develop.
license
MIT
Dependencies
~6–19MB
~222K SLoC