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|
use proc_macro::TokenStream;
use quote::quote;
use syn::{
DeriveInput, Token,
parse::{Parse, ParseStream},
parse_macro_input,
};
/// Parsed content of `#[space_root_test_generic(...)]`.
struct GenericArgs {
types: Vec<syn::Type>,
}
impl Parse for GenericArgs {
fn parse(input: ParseStream) -> syn::Result<Self> {
let mut types = Vec::new();
if !input.is_empty() {
types.push(input.parse()?);
while !input.is_empty() {
let _: Token![,] = input.parse()?;
if !input.is_empty() {
types.push(input.parse()?);
}
}
}
Ok(GenericArgs { types })
}
}
pub(crate) fn internal_space_root_test_derive(input: TokenStream) -> TokenStream {
let input = parse_macro_input!(input as DeriveInput);
let name = &input.ident;
// Extract generic args from `#[space_root_test_generic(...)]`
let generics = input
.attrs
.iter()
.find(|attr| attr.path().is_ident("space_root_test_generic"))
.and_then(|attr| attr.parse_args::<GenericArgs>().ok())
.unwrap_or(GenericArgs { types: Vec::new() });
// Build the turbofish segment if there are generic args
let turbofish = if generics.types.is_empty() {
quote! {}
} else {
let params = &generics.types[..];
quote! { ::< #(#params),* > }
};
let test_mod_name = syn::Ident::new(
&format!(
"test_{}_space_root",
just_fmt::snake_case!(name.to_string())
),
name.span(),
);
let expanded = quote! {
#[cfg(test)]
mod #test_mod_name {
use super::*;
use shared_functions::rola_test_sandbox;
use space_system::{Space, SpaceRoot, SpaceRootFindPattern};
use std::env::set_current_dir;
#[tokio::test]
async fn test_create_space() {
let sandbox = rola_test_sandbox(stringify!(#name));
set_current_dir(&*sandbox).unwrap();
let mut space = Space::new(#name #turbofish ::default());
match #name #turbofish ::get_pattern() {
SpaceRootFindPattern::AbsolutePath(path_buf) => {
let dir = sandbox.join("root");
println!("Redirect absolute path:");
println!(" from: `{}`", path_buf.display());
println!(" to: `{}`", dir.display());
space.set_override_pattern(Some(
SpaceRootFindPattern::AbsolutePath(dir.clone()),
));
println!("Checking if {} absolute directory does not exist before initialization", stringify!(#name));
assert!(!dir.exists());
space.init_here().await.unwrap();
println!("Checking if {} absolute directory exists after initialization", stringify!(#name));
assert!(dir.exists());
println!("\u{001b}[33;1mwarning\u{001b}[0m: Absolute path test completed in isolated environment, may not fully represent system runtime conditions");
return;
},
_ => {}
}
println!("Checking if {} does not exist before initialization", stringify!(#name));
assert!(space.space_dir_current().is_err());
space.init_here().await.unwrap();
println!("Checking if {} exists after initialization", stringify!(#name));
assert!(space.space_dir_current().is_ok());
}
}
};
TokenStream::from(expanded)
}
|
