test: avoid file system

src/lib.rs

@@ -40,27 +40,28 @@ mod tests {
     async fn multiple_clients() -> Result<()> {
         let dir: PathBuf = testdir!();
         let path = dir.join("hello_world");
-        tokio::fs::write(&path, "hello world!").await?;
+        let content = b"hello world!";
+
+        tokio::fs::write(&path, content).await?;
         let db = server::create_db(vec![&path]).await?;
         let hash = *db.iter().next().unwrap().0;
         tokio::task::spawn(async move {
             server::run(db, Default::default()).await.unwrap();
         });
 
-        async fn run_client(hash: bao::Hash, path: PathBuf) -> Result<()> {
+        async fn run_client(hash: bao::Hash, content: Vec<u8>) -> Result<()> {
             let opts = client::Options::default();
             let (mut source, sink) = tokio::io::duplex(1024);
             client::run(hash, opts, sink).await?;
-            let expect = tokio::fs::read(path).await?;
             let mut got = Vec::new();
             source.read_to_end(&mut got).await?;
-            assert_eq!(expect, got);
+            assert_eq!(content, got);
             Ok(())
         }
 
         let mut tasks = Vec::new();
         for _i in 0..3 {
-            tasks.push(tokio::task::spawn(run_client(hash, path.clone())));
+            tasks.push(tokio::task::spawn(run_client(hash, content.to_vec())));
         }
 
         for task in tasks {