97 lines
2.7 KiB
Rust
97 lines
2.7 KiB
Rust
#![feature(test)]
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extern crate diesel;
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extern crate hammond_data;
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extern crate rand;
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extern crate rayon;
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extern crate rss;
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extern crate tempdir;
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extern crate test;
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use diesel::prelude::*;
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use rayon::prelude::*;
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use rand::Rng;
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use test::Bencher;
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use hammond_data::run_migration_on;
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use hammond_data::models::NewSource;
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use hammond_data::index_feed::{index, Feed};
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use hammond_data::Database;
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use std::io::BufReader;
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use std::path::PathBuf;
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use std::sync::{Arc, Mutex};
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struct TempDB(tempdir::TempDir, PathBuf, SqliteConnection);
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// Big rss feed
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const PCPER: &[u8] = include_bytes!("feeds/pcpermp3.xml");
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const UNPLUGGED: &[u8] = include_bytes!("feeds/linuxunplugged.xml");
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const RADIO: &[u8] = include_bytes!("feeds/coderradiomp3.xml");
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const SNAP: &[u8] = include_bytes!("feeds/techsnapmp3.xml");
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const LAS: &[u8] = include_bytes!("feeds/TheLinuxActionShow.xml");
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static URLS: &[(&[u8], &str)] = &[
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(PCPER, "https://www.pcper.com/rss/podcasts-mp3.rss"),
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(UNPLUGGED, "http://feeds.feedburner.com/linuxunplugged"),
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(RADIO, "https://feeds.feedburner.com/coderradiomp3"),
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(SNAP, "https://feeds.feedburner.com/techsnapmp3"),
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(LAS, "https://feeds2.feedburner.com/TheLinuxActionShow"),
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];
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/// Create and return a Temporary DB.
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/// Will be destroed once the returned variable(s) is dropped.
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fn get_temp_db() -> TempDB {
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let mut rng = rand::thread_rng();
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let tmp_dir = tempdir::TempDir::new("hammond_unit_test").unwrap();
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let db_path = tmp_dir
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.path()
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.join(format!("hammonddb_{}.db", rng.gen::<usize>()));
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let db = SqliteConnection::establish(db_path.to_str().unwrap()).unwrap();
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::run_migration_on(&db).unwrap();
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TempDB(tmp_dir, db_path, db)
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}
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fn index_urls(m: &Database) {
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URLS.par_iter()
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.map(|&(buff, url)| {
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// Create and insert a Source into db
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let s = NewSource::new_with_uri(url).into_source(m).unwrap();
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// parse it into a channel
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let chan = rss::Channel::read_from(BufReader::new(buff)).unwrap();
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Feed::new_from_channel_source(chan, s)
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})
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.for_each(|feed| {
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index(m, &mut [feed]);
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});
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}
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#[bench]
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fn bench_index_feeds(b: &mut Bencher) {
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let TempDB(_tmp_dir, _db_path, db) = get_temp_db();
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let m = Arc::new(Mutex::new(db));
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b.iter(|| {
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index_urls(&Arc::clone(&m));
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});
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}
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#[bench]
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fn bench_index_unchanged_feeds(b: &mut Bencher) {
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let TempDB(_tmp_dir, _db_path, db) = get_temp_db();
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let m = Arc::new(Mutex::new(db));
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// Index first so it will only bench the comparison test case.
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index_urls(&Arc::clone(&m));
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b.iter(|| {
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for _ in 0..10 {
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index_urls(&Arc::clone(&m));
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}
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});
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}
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