[verified] Publish ReelBox source under GPLv3

tool/download_network_policy_test.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python3
+"""Exercise download network requests with real Android 9 framework classes.
+
+This verifies capability matching and JobInfo construction, not a device,
+WorkManager execution, internet connectivity, or OEM background scheduling.
+"""
+from pathlib import Path
+import fcntl
+import hashlib
+import json
+import os
+import subprocess
+import urllib.request
+
+ROOT = Path(__file__).resolve().parents[1]
+WORK = Path(os.environ.get('TMPDIR', '/root/.hermes/cache/scratch')) / 'reelbox-network-test'
+FRAMEWORK_URL = 'https://repo.maven.apache.org/maven2/org/robolectric/android-all/9-robolectric-4913185-2/android-all-9-robolectric-4913185-2.jar'
+FRAMEWORK_SHA256 = 'cf4aed5e458deb48ddc0ca92fc25156e6f478d9d5c1d948cdd1817a67ee11b32'
+
+
+def main():
+    WORK.mkdir(parents=True, exist_ok=True)
+    framework = WORK / 'android-all.jar'
+    if not framework.exists() or hashlib.sha256(framework.read_bytes()).hexdigest() != FRAMEWORK_SHA256:
+        with urllib.request.urlopen(FRAMEWORK_URL, timeout=90) as response:
+            blob = response.read()
+        assert hashlib.sha256(blob).hexdigest() == FRAMEWORK_SHA256, 'Framework checksum mismatch'
+        framework.write_bytes(blob)
+    classes = WORK / 'classes'
+    classes.mkdir(exist_ok=True)
+    source = ROOT / 'third_party/background_downloader/android/src/main/kotlin/com/bbflight/background_downloader/DownloadNetworkPolicy.java'
+    test = ROOT / 'tool/android/DownloadNetworkPolicyProbe.java'
+    with (ROOT / '.tooling.lock').open('a') as lock:
+        fcntl.flock(lock, fcntl.LOCK_EX)
+        (WORK / 'verification.json').unlink(missing_ok=True)
+        command = ['javac', '-J-Xmx128m', '--release', '17', '-cp', str(framework), '-d', str(classes), str(test)]
+        if source.exists():
+            command.append(str(source))
+        subprocess.run(command, check=True, timeout=90)
+        result = subprocess.run(['java', '-Xmx192m', '-cp', os.pathsep.join([str(classes), str(framework)]),
+                                 'com.bbflight.background_downloader.DownloadNetworkPolicyProbe'],
+                                check=False, capture_output=True, text=True, timeout=90)
+        print(result.stdout, end='')
+        if result.returncode:
+            print(result.stderr, end='')
+            raise subprocess.CalledProcessError(result.returncode, result.args)
+        assert 'PASS DownloadNetworkPolicy:' in result.stdout
+        (WORK / 'verification.json').write_text(json.dumps({
+            'passed': True,
+            'framework_sha256': FRAMEWORK_SHA256,
+            'stdout': result.stdout,
+            'scope': 'real Android 9 framework capability matching and JobInfo construction; no device or WorkManager execution',
+            'android_hardware_verified': False,
+        }, indent=2) + '\n')
+
+
+if __name__ == '__main__':
+    main()