use criterion::{black_box, criterion_group, criterion_main, Criterion};
use lettre::{Message, SmtpTransport, Transport};
fn bench_simple_send(c: &mut Criterion) {
let sender = SmtpTransport::builder_dangerous("127.0.0.1")
.port(2525)
.build();
c.bench_function("send email", move |b| {
b.iter(|| {
let email = Message::builder()
.from("NoBody <nobody@domain.tld>".parse().unwrap())
.reply_to("Yuin <yuin@domain.tld>".parse().unwrap())
.to("Hei <hei@domain.tld>".parse().unwrap())
.subject("Happy new year")
.body(String::from("Be happy!"))
.unwrap();
let result = black_box(sender.send(&email));
assert!(result.is_ok());
})
});
}
fn bench_reuse_send(c: &mut Criterion) {
let sender = SmtpTransport::builder_dangerous("127.0.0.1")
.port(2525)
.build();
c.bench_function("send email with connection reuse", move |b| {
b.iter(|| {
let email = Message::builder()
.from("NoBody <nobody@domain.tld>".parse().unwrap())
.reply_to("Yuin <yuin@domain.tld>".parse().unwrap())
.to("Hei <hei@domain.tld>".parse().unwrap())
.subject("Happy new year")
.body(String::from("Be happy!"))
.unwrap();
let result = black_box(sender.send(&email));
assert!(result.is_ok());
})
});
}
criterion_group!(benches, bench_simple_send, bench_reuse_send);
criterion_main!(benches);