Fix connected devices

scripts/test_device_interop.py

@@ -0,0 +1,65 @@
+"""Build and run the real TUI and web protocol adapters against each other.
+
+Usage: python scripts/test_device_interop.py [path/to/furumusic]
+No user databases, accounts, audio outputs, or external servers are used.
+"""
+import json
+import os
+from pathlib import Path
+import subprocess
+import sys
+import tempfile
+
+
+def test_binary(repo):
+    result = subprocess.run(
+        ["cargo", "test", "--locked", "--no-run", "--message-format=json"],
+        cwd=repo, text=True, encoding="utf-8", stdout=subprocess.PIPE,
+    )
+    result.check_returncode()
+    binaries = []
+    for line in result.stdout.splitlines():
+        event = json.loads(line)
+        if event.get("reason") == "compiler-artifact" and event.get("profile", {}).get("test") and event.get("executable"):
+            binaries.append(event["executable"])
+    if len(binaries) != 1:
+        raise RuntimeError(f"Expected one player test binary in {repo}, found {binaries}")
+    return binaries[0]
+
+
+def main():
+    tui = Path(__file__).resolve().parents[1]
+    web = Path(sys.argv[1]).resolve() if len(sys.argv) > 1 else tui.parent / "furumusic"
+    tui_bin, web_bin = test_binary(tui), test_binary(web)
+    with tempfile.TemporaryDirectory(prefix="furumi-interop-") as directory:
+        env = dict(os.environ, FURUMI_INTEROP_DIR=directory)
+        processes = []
+        try:
+            for binary, test in [(web_bin, "federation::devices::interop_tests::localhost_tui_peer"),
+                                 (tui_bin, "devices::interop_tests::localhost_web_peer")]:
+                listing = subprocess.check_output([binary, "--list"], text=True, encoding="utf-8")
+                if f"{test}: test" not in listing:
+                    raise RuntimeError(f"Required test {test} is missing from {binary}")
+                processes.append(subprocess.Popen(
+                    [binary, "--ignored", "--exact", test, "--nocapture"], env=env,
+                    stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
+                    text=True, encoding="utf-8",
+                    creationflags=getattr(subprocess, "CREATE_NO_WINDOW", 0),
+                ))
+            codes = []
+            for process in processes:
+                output, _ = process.communicate(timeout=45)
+                print(output, end="")
+                codes.append(process.returncode)
+            if any(codes):
+                raise RuntimeError(f"Cross-player test failed: exit codes {codes}")
+        finally:
+            for process in processes:
+                if process.poll() is None:
+                    process.kill()
+                process.wait()
+    print("PASS: TUI <-> WEB state, bidirectional handoff, pause/seek, duplicate fencing")
+
+
+if __name__ == "__main__":
+    main()