Fix playwright tests (#2695)

packages/cli/src/serve/mod.rs

@@ -117,7 +117,7 @@ pub async fn serve_all(serve: Serve, dioxus_crate: DioxusCrate) -> Result<()> {
 
                         // If we have a build result, open it
                         for build_result in results.iter() {
-                            let child = build_result.open(&serve.server_arguments, server.fullstack_address());
+                            let child = build_result.open(&serve.server_arguments, server.fullstack_address(), &dioxus_crate.workspace_dir());
                             match child {
                                 Ok(Some(child_proc)) => builder.children.push((build_result.platform,child_proc)),
                                 Err(_e) => break,

packages/cli/src/serve/server.rs

@@ -21,6 +21,7 @@ use axum_server::tls_rustls::RustlsConfig;
 use dioxus_cli_config::{Platform, WebHttpsConfig};
 use dioxus_hot_reload::{DevserverMsg, HotReloadMsg};
 use futures_channel::mpsc::{UnboundedReceiver, UnboundedSender};
+use futures_util::stream;
 use futures_util::{stream::FuturesUnordered, StreamExt};
 use hyper::header::ACCEPT;
 use hyper::HeaderMap;
@@ -577,7 +578,9 @@ pub(crate) fn open_browser(base_path: Option<String>, address: SocketAddr, https
 }
 
 fn get_available_port(address: IpAddr) -> Option<u16> {
-    (8000..9000).find(|port| TcpListener::bind((address, *port)).is_ok())
+    TcpListener::bind((address, 0))
+        .map(|listener| listener.local_addr().unwrap().port())
+        .ok()
 }
 
 /// Middleware that intercepts html requests if the status is "Building" and returns a loading page instead
@@ -598,7 +601,12 @@ async fn build_status_middleware(
             let html = include_str!("../../assets/loading.html");
             return axum::response::Response::builder()
                 .status(StatusCode::OK)
-                .body(Body::from(html))
+                // Load the html loader then keep loading forever
+                // We never close the stream so any headless testing framework (like playwright) will wait until the real build is done
+                .body(Body::from_stream(
+                    stream::once(async move { Ok::<_, std::convert::Infallible>(html) })
+                        .chain(stream::pending()),
+                ))
                 .unwrap();
         }
     }