first commit

tests/test_v0419.py

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+import io
+import sys
+import time
+import unittest
+from pathlib import Path
+
+from librenet_scanner.privileged_helper import run_supervised
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+class Cancellation0419Tests(unittest.TestCase):
+    def test_privileged_helper_stop_protocol_reaps_root_child(self):
+        start = time.monotonic()
+        code = run_supervised(
+            [sys.executable, "-c", "import time; time.sleep(30)"],
+            input_stream=io.StringIO("STOP\n"),
+        )
+        self.assertEqual(code, 130)
+        self.assertLess(time.monotonic() - start, 3.0)
+
+    def test_scan_processes_have_a_dedicated_process_group_and_stop_channel(self):
+        source = (ROOT / "src/librenet_scanner/scanner.py").read_text(encoding="utf-8")
+        self.assertIn("start_new_session=True", source)
+        self.assertIn('proc.stdin.write("STOP\\n")', source)
+        self.assertIn("self._kill_process_group(proc, signal.SIGTERM)", source)
+
+    def test_stop_button_reports_real_shutdown(self):
+        source = (ROOT / "src/librenet_scanner/ui.py").read_text(encoding="utf-8")
+        self.assertIn('self.activity_label.setText("Arrêt du scan en cours…")', source)
+        self.assertIn("self.stop_btn.setEnabled(False)", source)
+
+
+class EngineStatus0419Tests(unittest.TestCase):
+    def test_discovery_and_port_engines_are_named_separately(self):
+        source = (ROOT / "src/librenet_scanner/scanner.py").read_text(encoding="utf-8")
+        self.assertIn("découverte rapide Nmap/ARP", source)
+        self.assertIn("ports Naabu SYN (Admin)", source)
+        self.assertIn("ports Nmap SYN (Admin)", source)
+        self.assertIn("REPLI Naabu", source)
+
+
+if __name__ == "__main__":
+    unittest.main()