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use criterion::criterion_group;
use criterion::criterion_main;
use criterion::BenchmarkId;
use criterion::Criterion;
use std::collections::HashMap;
use std::fs::File;
use std::io;
use std::io::Read;
use std::rc::Rc;
use fluent_bundle::{FluentArgs, FluentBundle, FluentResource, FluentValue};
use fluent_syntax::ast;
use unic_langid::langid;
fn read_file(path: &str) -> Result<String, io::Error> {
let mut f = File::open(path)?;
let mut s = String::new();
f.read_to_string(&mut s)?;
Ok(s)
}
fn get_strings(tests: &[&'static str]) -> HashMap<&'static str, String> {
let mut ftl_strings = HashMap::new();
for test in tests {
let path = format!("./benches/{}.ftl", test);
ftl_strings.insert(*test, read_file(&path).expect("Couldn't load file"));
}
return ftl_strings;
}
fn get_ids(res: &FluentResource) -> Vec<String> {
res.entries()
.filter_map(|entry| match entry {
ast::Entry::Message(ast::Message { id, .. }) => Some(id.name.to_owned()),
_ => None,
})
.collect()
}
fn get_args(name: &str) -> Option<FluentArgs> {
match name {
"preferences" => {
let mut prefs_args = FluentArgs::new();
prefs_args.set("name", FluentValue::from("John"));
prefs_args.set("tabCount", FluentValue::from(5));
prefs_args.set("count", FluentValue::from(3));
prefs_args.set("version", FluentValue::from("65.0"));
prefs_args.set("path", FluentValue::from("/tmp"));
prefs_args.set("num", FluentValue::from(4));
prefs_args.set("email", FluentValue::from("john@doe.com"));
prefs_args.set("value", FluentValue::from(4.5));
prefs_args.set("unit", FluentValue::from("mb"));
prefs_args.set("service-name", FluentValue::from("Mozilla Disk"));
Some(prefs_args)
}
_ => None,
}
}
fn add_functions<R>(name: &'static str, bundle: &mut FluentBundle<R>) {
match name {
"preferences" => {
bundle
.add_function("PLATFORM", |_args, _named_args| {
return "linux".into();
})
.expect("Failed to add a function to the bundle.");
}
_ => {}
}
}
fn get_bundle(name: &'static str, source: &str) -> (FluentBundle<FluentResource>, Vec<String>) {
let res = FluentResource::try_new(source.to_owned()).expect("Couldn't parse an FTL source");
let ids = get_ids(&res);
let lids = vec![langid!("en")];
let mut bundle = FluentBundle::new(lids);
bundle
.add_resource(res)
.expect("Couldn't add FluentResource to the FluentBundle");
add_functions(name, &mut bundle);
(bundle, ids)
}
fn resolver_bench(c: &mut Criterion) {
let tests = &[
#[cfg(feature = "all-benchmarks")]
"simple",
"preferences",
#[cfg(feature = "all-benchmarks")]
"menubar",
#[cfg(feature = "all-benchmarks")]
"unescape",
];
let ftl_strings = get_strings(tests);
let mut group = c.benchmark_group("construct");
for name in tests {
let source = ftl_strings.get(name).expect("Failed to find the source.");
group.bench_with_input(BenchmarkId::from_parameter(name), &source, |b, source| {
let res = Rc::new(
FluentResource::try_new(source.to_string()).expect("Couldn't parse an FTL source"),
);
b.iter(|| {
let lids = vec![langid!("en")];
let mut bundle = FluentBundle::new(lids);
bundle
.add_resource(res.clone())
.expect("Couldn't add FluentResource to the FluentBundle");
add_functions(name, &mut bundle);
})
});
}
group.finish();
let mut group = c.benchmark_group("resolve");
for name in tests {
let source = ftl_strings.get(name).expect("Failed to find the source.");
group.bench_with_input(BenchmarkId::from_parameter(name), &source, |b, source| {
let (bundle, ids) = get_bundle(name, source);
let args = get_args(name);
b.iter(|| {
let mut s = String::new();
for id in &ids {
let msg = bundle.get_message(id).expect("Message found");
let mut errors = vec![];
if let Some(value) = msg.value() {
let _ = bundle.write_pattern(&mut s, value, args.as_ref(), &mut errors);
s.clear();
}
for attr in msg.attributes() {
let _ =
bundle.write_pattern(&mut s, attr.value(), args.as_ref(), &mut errors);
s.clear();
}
assert!(errors.len() == 0, "Resolver errors: {:#?}", errors);
}
})
});
}
group.finish();
let mut group = c.benchmark_group("resolve_to_str");
for name in tests {
let source = ftl_strings.get(name).expect("Failed to find the source.");
group.bench_with_input(BenchmarkId::from_parameter(name), &source, |b, source| {
let (bundle, ids) = get_bundle(name, source);
let args = get_args(name);
b.iter(|| {
for id in &ids {
let msg = bundle.get_message(id).expect("Message found");
let mut errors = vec![];
if let Some(value) = msg.value() {
let _ = bundle.format_pattern(value, args.as_ref(), &mut errors);
}
for attr in msg.attributes() {
let _ = bundle.format_pattern(attr.value(), args.as_ref(), &mut errors);
}
assert!(errors.len() == 0, "Resolver errors: {:#?}", errors);
}
})
});
}
group.finish();
}
criterion_group!(benches, resolver_bench);
criterion_main!(benches);
|
