Write simple benchmark

Author: Hocuri

benches/get_chat_msgs.rs

@@ -7,6 +7,7 @@ use deltachat::chatlist::Chatlist;
 use deltachat::context::Context;
 use deltachat::stock_str::StockStrings;
 use deltachat::Events;
+use tempfile::tempdir;
 
 async fn get_chat_msgs_benchmark(dbfile: &Path, chats: &[ChatId]) {
     let id = 100;
@@ -19,6 +20,17 @@ async fn get_chat_msgs_benchmark(dbfile: &Path, chats: &[ChatId]) {
     }
 }
 
+async fn marknoticed_chat_benchmark(dbfile: &Path, chats: &[ChatId]) {
+    let id = 100;
+    let context = Context::new(dbfile, id, Events::new(), StockStrings::new())
+        .await
+        .unwrap();
+
+    for c in chats.iter().take(20) {
+        black_box(chat::marknoticed_chat(&context, *c).await.unwrap());
+    }
+}
+
 fn criterion_benchmark(c: &mut Criterion) {
     // To enable this benchmark, set `DELTACHAT_BENCHMARK_DATABASE` to some large database with many
     // messages, such as your primary account.
@@ -34,9 +46,19 @@ fn criterion_benchmark(c: &mut Criterion) {
             (0..len).map(|i| chatlist.get_chat_id(i).unwrap()).collect()
         });
 
-        c.bench_function("chat::get_chat_msgs (load messages from 10 chats)", |b| {
+        // c.bench_function("chat::get_chat_msgs (load messages from 10 chats)", |b| {
+        //     b.to_async(&rt)
+        //         .iter(|| get_chat_msgs_benchmark(black_box(path.as_ref()), black_box(&chats)))
+        // });
+
+        c.bench_function("chat::marknoticed_chat (mark 10 chats as noticed)", |b| {
+            let dir = tempdir().unwrap();
+            let dir = dir.path();
+            let new_db = dir.join("dc.db");
+            std::fs::copy(&path, &new_db).unwrap();
+
             b.to_async(&rt)
-                .iter(|| get_chat_msgs_benchmark(black_box(path.as_ref()), black_box(&chats)))
+                .iter(|| marknoticed_chat_benchmark(black_box(new_db.as_ref()), black_box(&chats)))
         });
     } else {
         println!("env var not set: DELTACHAT_BENCHMARK_DATABASE");