native(test): optional SMOKE_TEST env to auto-exit after N frames; add npm script native:smoke

Author: rgilks

crates/app-native/src/main.rs

@@ -384,6 +384,12 @@ fn main() {
         pollster::block_on(GpuState::new(&window, Arc::clone(&shared_state))).expect("gpu");
     let _start = Instant::now();
 
+    let mut frames_left: Option<u32> = if std::env::var("SMOKE_TEST").ok().as_deref() == Some("1") {
+        Some(120)
+    } else {
+        None
+    };
+
     event_loop
         .run(move |event, elwt| match event {
             Event::WindowEvent {
@@ -394,12 +400,23 @@ fn main() {
                 event: WindowEvent::CloseRequested,
                 ..
             } => elwt.exit(),
-            Event::AboutToWait => match state.render() {
-                Ok(_) => state.window.request_redraw(),
-                Err(wgpu::SurfaceError::Lost) => state.resize(state.window.inner_size()),
-                Err(wgpu::SurfaceError::OutOfMemory) => elwt.exit(),
-                Err(_) => {}
-            },
+            Event::AboutToWait => {
+                match state.render() {
+                    Ok(_) => {
+                        state.window.request_redraw();
+                        if let Some(ref mut n) = frames_left {
+                            if *n == 0 {
+                                elwt.exit();
+                            } else {
+                                *n -= 1;
+                            }
+                        }
+                    }
+                    Err(wgpu::SurfaceError::Lost) => state.resize(state.window.inner_size()),
+                    Err(wgpu::SurfaceError::OutOfMemory) => elwt.exit(),
+                    Err(_) => {}
+                }
+            }
             _ => {}
         })
         .unwrap();

crates/app-web/src/lib.rs

@@ -906,7 +906,7 @@ struct GpuState<'a> {
     bind_group: wgpu::BindGroup,
     width: u32,
     height: u32,
-        clear_color: wgpu::Color,
+    clear_color: wgpu::Color,
 }
 
 impl<'a> GpuState<'a> {
@@ -1111,7 +1111,6 @@ impl<'a> GpuState<'a> {
         };
     }
 
-
     fn resize_if_needed(&mut self, width: u32, height: u32) {
         if width == 0 || height == 0 {
             return;

package.json

@@ -15,6 +15,7 @@
     "ci:web": "npm run build:web && node server.js & SERVER_PID=$!; sleep 1; node web-test.js; kill $SERVER_PID",
     "build:native": "cargo build -p app-native",
     "native": "cargo run -p app-native",
+    "native:smoke": "SMOKE_TEST=1 cargo run -p app-native",
     "build:all": "npm run build:native && npm run build:web",
     "clean": "cargo clean && rm -rf crates/app-web/pkg",
     "check:rust": "cargo fmt --all -- --check && cargo clippy --workspace --exclude app-web --all-targets -- -D warnings && cargo test --workspace --exclude app-web --all-targets && cargo build -p app-native",

web-test.js

@@ -156,6 +156,21 @@ const puppeteer = require("puppeteer");
     });
     if (!/Muted:\s*no/.test(hintMutedOff))
       throw new Error("hint Muted not no after M again");
+
+    // Click center to toggle mute on the hovered voice (expects a hit)
+    await page.mouse.move(box.x, box.y);
+    await page.mouse.click(box.x, box.y);
+    await new Promise((r) => setTimeout(r, 120));
+    if (!logs.some((l) => /\[click\] toggle mute voice \d+/.test(l)))
+      throw new Error("missing toggle mute click log");
+
+    // Alt+Click to solo the same voice
+    await page.keyboard.down("Alt");
+    await page.mouse.click(box.x, box.y);
+    await page.keyboard.up("Alt");
+    await new Promise((r) => setTimeout(r, 120));
+    if (!logs.some((l) => /\[click\] solo voice \d+/.test(l)))
+      throw new Error("missing solo click log");
   } else {
     console.log(
       "[note] engine not started in CI (WebGPU unavailable); skipping R/Space/+/− assertions"