Flush queued IDE writes and restart validation after host revision changes

scripts/check-ide-host.py

@@ -11,6 +11,7 @@ import signal
 import subprocess
 import sys
 import time
+import tempfile
 import zipfile
 from native_crashes import NativeCrashGuard, descendant_workers, await_worker_exit
 
@@ -19,16 +20,26 @@ p = argparse.ArgumentParser(description=__doc__)
 p.add_argument("--java-home", type=Path, required=True)
 p.add_argument("--target-java-home", type=Path, required=True)
 p.add_argument("--idea-home", type=Path, required=True)
+p.add_argument("--mode", choices=["all", "classpath", "modulepath"], default="all")
+p.add_argument("--repeat", type=int, default=1, help="Consecutive independent runs per mode")
 args = p.parse_args()
+if args.repeat < 1:
+    p.error("--repeat must be positive")
 output = ROOT / "target/ide-workflow"
 output.mkdir(parents=True, exist_ok=True)
-for mode in ("classpath", "modulepath"):
+batch = Path(tempfile.mkdtemp(prefix="runs-", dir=output))
+print("Host evidence: " + str(batch), flush=True)
+modes = ("classpath", "modulepath") if args.mode == "all" else (args.mode,)
+for run_number, mode in ((n, mode) for n in range(1, args.repeat + 1) for mode in modes):
     crashes = NativeCrashGuard(ROOT)
     launch = subprocess.run([sys.executable, ROOT / "scripts/run-fixture-host.py", "intellij",
         "--check", "--mode", mode, "--java-home", args.java_home,
         "--target-java-home", args.target_java_home, "--idea-home", args.idea_home],
         cwd=ROOT, text=True, capture_output=True, check=True, timeout=60)
+    evidence = batch / f"{mode}-run-{run_number}"
+    evidence.mkdir(exist_ok=True)
     (output / (mode + "-launch.log")).write_text(launch.stdout + launch.stderr)
+    (evidence / "launch.log").write_text(launch.stdout + launch.stderr)
     base = Path(re.search(r"Disposable host: (.+)", launch.stdout)[1])
     pid = int(re.search(r"Host PID: (\d+)", launch.stdout)[1])
     try:
@@ -60,7 +71,11 @@ for mode in ("classpath", "modulepath"):
                  "result": (base / "SUCCESS.txt").read_text()}
         (output / (mode + ".json")).write_text(json.dumps(proof, indent=2) + "\n")
         shutil.copyfile(base / "intellij.png", output / (mode + ".png"))
+        (evidence / "proof.json").write_text(json.dumps(proof, indent=2) + "\n")
     finally:
+        for name in ("SUCCESS.txt", "FAILURE.txt", "ui-state.txt", "launcher.log"):
+            if (base / name).exists():
+                shutil.copyfile(base / name, evidence / name)
         workers = descendant_workers(pid)
         try:
             os.kill(pid, signal.SIGTERM)
@@ -68,4 +83,4 @@ for mode in ("classpath", "modulepath"):
             pass
         await_worker_exit(workers)
         crashes.check()
-    print("PASS registered IntelliJ " + mode + " editor, exclusive JavaFX 26 natives and worker shutdown", flush=True)
+    print("PASS registered IntelliJ " + mode + f" run {run_number}: editor, exclusive JavaFX 26 natives and worker shutdown", flush=True)

scripts/check-render-race.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+"""Force a host revision to overtake in-flight target validation in the shared Kit."""
+import argparse
+import os
+from pathlib import Path
+import subprocess
+import sys
+import tempfile
+
+ROOT = Path(__file__).resolve().parent.parent
+p = argparse.ArgumentParser(description=__doc__)
+p.add_argument('--java-home', type=Path, required=True)
+p.add_argument('--target-java-home', type=Path, required=True)
+args = p.parse_args()
+classpath = os.pathsep.join([
+    str(ROOT / 'designer-standalone/target/test-classes'),
+    str(ROOT / 'designer-standalone/target/classes'),
+    (ROOT / 'designer-standalone/target/smoke-classpath.txt').read_text().strip()])
+with tempfile.TemporaryDirectory(prefix='designer-render-race-') as tmp:
+    fixture = Path(tmp) / 'project'
+    subprocess.run([sys.executable, ROOT / 'scripts/prepare-fixture-host.py',
+                    '--destination', fixture, '--mode', 'modulepath',
+                    '--target-java-home', args.target_java_home], check=True)
+    subprocess.run([args.java_home / 'bin/java', '--enable-native-access=ALL-UNNAMED',
+                    '-Ddesigner.check.racesOnly=true', '-cp', classpath,
+                    'de.neitzel.fxdesigner.standalone.KitWorkflowSmoke',
+                    fixture / '.neitzel-fx-designer/host.properties',
+                    fixture / 'app/src/main/resources/fixture/components/Person.fxml',
+                    Path(tmp) / 'unused.png'], check=True, timeout=90, cwd=ROOT)