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use proc_macro::TokenStream;
use proc_macro_error2::abort_call_site;
use syn::{parse_macro_input, Item, ItemFn, ItemMod, ItemStruct, ItemType};
pub(crate) fn runner(input: TokenStream) -> TokenStream {
let input_str = input.to_string();
let mod_names: Vec<syn::Ident> = input_str
.split(",")
.filter_map(|s| {
if s.is_empty() {
None
} else {
Some(syn::Ident::new(s.trim(), proc_macro2::Span::call_site()))
}
})
.collect();
quote::quote! {
fn main() {
let args = test_with::Arguments::from_args();
let mut no_env_tests = Vec::new();
#(
match #mod_names::_runtime_tests() {
(Some(env), tests) => {
test_with::run(&args, tests).exit_if_failed();
drop(env);
},
(None, mut tests) => no_env_tests.append(&mut tests),
}
)*
test_with::run(&args, no_env_tests).exit();
}
}
.into()
}
pub(crate) fn tokio_runner(input: TokenStream) -> TokenStream {
let input_str = input.to_string();
let mod_names: Vec<syn::Ident> = input_str
.split(",")
.filter_map(|s| {
if s.is_empty() {
None
} else {
Some(syn::Ident::new(s.trim(), proc_macro2::Span::call_site()))
}
})
.collect();
quote::quote! {
fn main() {
tokio::runtime::Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async {
#(
#mod_names::_runtime_tests().await;
)*
})
}
}
.into()
}
pub(crate) fn module(_attr: TokenStream, stream: TokenStream) -> TokenStream {
let ItemMod {
attrs,
vis,
mod_token,
ident,
content,
..
} = parse_macro_input!(stream as ItemMod);
if let Some(content) = content {
let content = content.1;
if crate::utils::has_test_cfg(&attrs) {
abort_call_site!("should not use `#[cfg(test)]` on the mod with `#[test_with::module]`")
} else {
let mut test_env_type = None;
let test_metas: Vec<(String, bool)> = content
.iter()
.filter_map(|c| match c {
Item::Fn(ItemFn {
sig:
syn::Signature {
ident, asyncness, ..
},
attrs,
..
}) => match crate::utils::test_with_attrs(attrs) {
(true, true, _) => abort_call_site!(
"should not use #[test] for method in `#[test_with::module]`"
),
(_, true, false) => abort_call_site!(
"use `#[test_with::runtime_*]` for method in `#[test_with::module]`"
),
(false, true, true) => Some((ident.to_string(), asyncness.is_some())),
_ => None,
},
Item::Struct(ItemStruct { ident, vis, .. })
| Item::Type(ItemType { ident, vis, .. }) => {
if *ident == "TestEnv" {
match vis {
syn::Visibility::Public(_) => test_env_type = Some(ident),
_ => abort_call_site!("TestEnv should be pub for testing"),
}
}
None
}
_ => None,
})
.collect();
let runtime_test_fn = match (test_env_type, test_metas.iter().any(|m| m.1)) {
(Some(test_env_type), false) => {
let test_names: Vec<String> = test_metas.into_iter().map(|m| m.0).collect();
let check_names: Vec<syn::Ident> = test_names
.iter()
.map(|c| {
syn::Ident::new(&format!("_check_{c}"), proc_macro2::Span::call_site())
})
.collect();
quote::quote! {
pub fn _runtime_tests() -> (Option<#test_env_type>, Vec<test_with::Trial>) {
use test_with::Trial;
(
Some(#test_env_type::default()),
vec![
#(Trial::ignorable_test(#test_names, #check_names),)*
]
)
}
}
}
(Some(test_env_type), true) => {
let async_test_names: Vec<String> = test_metas
.iter()
.filter(|m| m.1)
.map(|m| m.0.clone())
.collect();
let sync_test_names: Vec<String> = test_metas
.into_iter()
.filter(|m| !m.1)
.map(|m| m.0)
.collect();
let total = async_test_names.len() + sync_test_names.len();
let async_check_names: Vec<syn::Ident> = async_test_names
.iter()
.map(|c| {
syn::Ident::new(&format!("_check_{c}"), proc_macro2::Span::call_site())
})
.collect();
let sync_check_names: Vec<syn::Ident> = sync_test_names
.iter()
.map(|c| {
syn::Ident::new(&format!("_check_{c}"), proc_macro2::Span::call_site())
})
.collect();
quote::quote! {
pub async fn _runtime_tests() {
let env = #test_env_type::default();
let mut failed = 0;
let mut passed = 0;
let mut ignored = 0;
println!("running {} tests of {}\n", #total, stringify!(#ident));
#(
print!("test {}::{} ... ", stringify!(#ident), #async_test_names);
match #async_check_names().await {
Ok(test_with::Completion::Completed) => {
println!("ok");
passed += 1;
},
Ok(test_with::Completion::Ignored{ reason }) => {
ignored += 1;
if let Some(msg) = reason {
println!("ignored, {msg:}");
} else {
println!("ignored");
}
},
Err(e) => {
failed += 1;
if let Some(msg) = e.message() {
println!("FAILED, {msg:}");
} else {
println!("FAILED");
}
}
}
)*
#(
print!("test {}::{} ... ", stringify!(#ident), #sync_test_names);
match #sync_check_names() {
Ok(test_with::Completion::Completed) => {
println!("ok");
passed += 1;
},
Ok(test_with::Completion::Ignored{ reason }) => {
ignored += 1;
if let Some(msg) = reason {
println!("ignored, {msg:}");
} else {
println!("ignored");
}
},
Err(e) => {
failed += 1;
if let Some(msg) = e.message() {
println!("FAILED, {msg:}");
} else {
println!("FAILED");
}
}
}
)*
drop(env);
if failed > 0 {
println!("\ntest result: failed. {passed} passed; {failed} failed; {ignored} ignored;\n");
std::process::exit(1);
} else {
println!("\ntest result: ok. {passed} passed; {failed} failed; {ignored} ignored;\n");
}
}
}
}
(None, false) => {
let test_names: Vec<String> = test_metas.into_iter().map(|m| m.0).collect();
let check_names: Vec<syn::Ident> = test_names
.iter()
.map(|c| {
syn::Ident::new(&format!("_check_{c}"), proc_macro2::Span::call_site())
})
.collect();
quote::quote! {
pub fn _runtime_tests() -> (Option<()>, Vec<test_with::Trial>) {
use test_with::Trial;
(
None,
vec![
#(Trial::ignorable_test(#test_names, #check_names),)*
]
)
}
}
}
(None, true) => {
let async_test_names: Vec<String> = test_metas
.iter()
.filter(|m| m.1)
.map(|m| m.0.clone())
.collect();
let sync_test_names: Vec<String> = test_metas
.into_iter()
.filter(|m| !m.1)
.map(|m| m.0)
.collect();
let total = async_test_names.len() + sync_test_names.len();
let async_check_names: Vec<syn::Ident> = async_test_names
.iter()
.map(|c| {
syn::Ident::new(&format!("_check_{c}"), proc_macro2::Span::call_site())
})
.collect();
let sync_check_names: Vec<syn::Ident> = sync_test_names
.iter()
.map(|c| {
syn::Ident::new(&format!("_check_{c}"), proc_macro2::Span::call_site())
})
.collect();
quote::quote! {
pub async fn _runtime_tests() {
let mut failed = 0;
let mut passed = 0;
let mut ignored = 0;
println!("running {} tests of {}\n", #total, stringify!(#ident));
#(
print!("test {}::{} ... ", stringify!(#ident), #async_test_names);
match #async_check_names().await {
Ok(test_with::Completion::Completed) => {
println!("ok");
passed += 1;
},
Ok(test_with::Completion::Ignored{ reason }) => {
ignored += 1;
if let Some(msg) = reason {
println!("ignored, {msg:}");
} else {
println!("ignored");
}
},
Err(e) => {
failed += 1;
if let Some(msg) = e.message() {
println!("FAILED, {msg}");
} else {
println!("FAILED");
}
}
}
)*
#(
print!("test {}::{} ... ", stringify!(#ident), #sync_test_names);
match #sync_check_names() {
Ok(test_with::Completion::Completed) => {
println!("ok");
passed += 1;
},
Ok(test_with::Completion::Ignored{ reason }) => {
ignored += 1;
if let Some(msg) = reason {
println!("ignored, {msg:}");
} else {
println!("ignored");
}
},
Err(e) => {
failed += 1;
if let Some(msg) = e.message() {
println!("FAILED, {msg}");
} else {
println!("FAILED");
}
}
}
)*
if failed > 0 {
println!("\ntest result: failed. {passed} passed; {failed} failed; {ignored} ignored;\n");
std::process::exit(1);
} else {
println!("\ntest result: ok. {passed} passed; {failed} failed; {ignored} ignored;\n");
}
}
}
}
};
quote::quote! {
#(#attrs)*
#vis #mod_token #ident {
use super::*;
#runtime_test_fn
#(#content)*
}
}
.into()
}
} else {
abort_call_site!("should use on mod with context")
}
}