clap/clap_bench/benches/02_simple.rs
Ed Page 34368419c2 refactor(bench): Pull out benchmarks into own crate
This is mostly about avoiding criterion's build times when just
developing clap itself.

I'm assuming the derive test changed because criterion's clap v2 isn't
in the dependency tree anymore.
2022-06-03 13:51:26 -05:00

104 lines
2.9 KiB
Rust

use clap::{arg, Arg, Command};
use criterion::{criterion_group, criterion_main, Criterion};
macro_rules! create_app {
() => {{
Command::new("claptests")
.version("0.1")
.about("tests clap library")
.author("Kevin K. <kbknapp@gmail.com>")
.arg(arg!(-f --flag "tests flags"))
.arg(arg!(-o --option <opt> "tests options").required(false))
.arg(arg!([positional] "tests positional"))
}};
}
pub fn build_simple(c: &mut Criterion) {
c.bench_function("build_simple", |b| b.iter(|| create_app!()));
}
pub fn build_with_flag(c: &mut Criterion) {
c.bench_function("build_with_flag", |b| {
b.iter(|| Command::new("claptests").arg(arg!(-s --some "something")))
});
}
pub fn build_with_flag_ref(c: &mut Criterion) {
c.bench_function("build_with_flag_ref", |b| {
b.iter(|| {
let arg = arg!(-s --some "something");
Command::new("claptests").arg(&arg)
})
});
}
pub fn build_with_opt(c: &mut Criterion) {
c.bench_function("build_with_opt", |b| {
b.iter(|| Command::new("claptests").arg(arg!(-s --some <FILE> "something")))
});
}
pub fn build_with_opt_ref(c: &mut Criterion) {
c.bench_function("build_with_opt_ref", |b| {
b.iter(|| {
let arg = arg!(-s --some <FILE> "something");
Command::new("claptests").arg(&arg)
})
});
}
pub fn build_with_pos(c: &mut Criterion) {
c.bench_function("build_with_pos", |b| {
b.iter(|| Command::new("claptests").arg(Arg::new("some")))
});
}
pub fn build_with_pos_ref(c: &mut Criterion) {
c.bench_function("build_with_pos_ref", |b| {
b.iter(|| {
let arg = Arg::new("some");
Command::new("claptests").arg(&arg)
})
});
}
pub fn parse_simple_with_flag(c: &mut Criterion) {
c.bench_function("parse_simple_with_flag", |b| {
b.iter(|| create_app!().get_matches_from(vec!["myprog", "-f"]))
});
}
pub fn parse_simple_with_opt(c: &mut Criterion) {
c.bench_function("parse_simple_with_opt", |b| {
b.iter(|| create_app!().get_matches_from(vec!["myprog", "-o", "option1"]))
});
}
pub fn parse_simple_with_pos(c: &mut Criterion) {
c.bench_function("parse_simple_with_pos", |b| {
b.iter(|| create_app!().get_matches_from(vec!["myprog", "arg1"]))
});
}
pub fn parse_simple_with_complex(c: &mut Criterion) {
c.bench_function("parse_simple_with_complex", |b| {
b.iter(|| create_app!().get_matches_from(vec!["myprog", "-o", "option1", "-f", "arg1"]))
});
}
criterion_group!(
benches,
parse_simple_with_complex,
parse_simple_with_pos,
parse_simple_with_opt,
parse_simple_with_flag,
build_with_pos_ref,
build_with_pos,
build_with_opt_ref,
build_with_opt,
build_with_flag_ref,
build_with_flag,
build_simple
);
criterion_main!(benches);