Add tray action layer over CLI and systemctl

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

tests/test_tray_actions.py

@@ -0,0 +1,85 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+"""Tray action layer: drives CLI + systemctl through an injectable runner."""
+import json
+import subprocess
+import unittest
+
+from enodia_sentinel.config import Config
+from enodia_sentinel.tray import actions
+
+
+def _proc(rc=0, out="", err=""):
+    return subprocess.CompletedProcess(args=[], returncode=rc,
+                                       stdout=out, stderr=err)
+
+
+class _Recorder:
+    """Runner that returns scripted results and records the commands seen."""
+    def __init__(self, results):
+        self._results = list(results)
+        self.calls = []
+
+    def __call__(self, cmd, timeout):
+        self.calls.append(list(cmd))
+        return self._results.pop(0)
+
+
+class TestActions(unittest.TestCase):
+    def test_dashboard_url_is_loopback_with_port(self):
+        cfg = Config()
+        cfg.web_port = 9999
+        self.assertEqual(actions.dashboard_url(cfg), "https://127.0.0.1:9999/")
+
+    def test_fetch_status_parses_json_even_on_nonzero_exit(self):
+        runner = _Recorder([_proc(rc=1, out=json.dumps({"running": True}))])
+        self.assertEqual(actions.fetch_status(runner), {"running": True})
+
+    def test_fetch_status_returns_none_on_garbage(self):
+        runner = _Recorder([_proc(out="not json")])
+        self.assertIsNone(actions.fetch_status(runner))
+
+    def test_start_daemon_ok(self):
+        runner = _Recorder([_proc(rc=0)])
+        res = actions.start_daemon(runner)
+        self.assertTrue(res.ok)
+        self.assertEqual(runner.calls[0],
+                         ["systemctl", "start", "enodia-sentinel.service"])
+
+    def test_stop_daemon_failure_carries_stderr_tail(self):
+        runner = _Recorder([_proc(rc=1, err="line1\nAccess denied")])
+        res = actions.stop_daemon(runner)
+        self.assertFalse(res.ok)
+        self.assertIn("Access denied", res.message)
+
+    def test_open_dashboard_starts_web_if_inactive(self):
+        # is-active -> inactive, then start -> ok
+        runner = _Recorder([_proc(out="inactive"), _proc(rc=0)])
+        opened = []
+        res = actions.open_dashboard(Config(), runner, opener=opened.append)
+        self.assertTrue(res.ok)
+        self.assertEqual(runner.calls[0],
+                         ["systemctl", "is-active", "enodia-sentinel-web.service"])
+        self.assertEqual(runner.calls[1],
+                         ["systemctl", "start", "enodia-sentinel-web.service"])
+        self.assertEqual(opened, ["https://127.0.0.1:8787/"])
+
+    def test_open_dashboard_skips_start_when_active(self):
+        runner = _Recorder([_proc(out="active")])
+        opened = []
+        res = actions.open_dashboard(Config(), runner, opener=opened.append)
+        self.assertTrue(res.ok)
+        self.assertEqual(len(runner.calls), 1)
+        self.assertEqual(opened, ["https://127.0.0.1:8787/"])
+
+    def test_run_check_counts_findings(self):
+        runner = _Recorder([_proc(out=json.dumps([{"signature": "rsh"},
+                                                   {"signature": "suid"}]))])
+        res = actions.run_check(runner)
+        self.assertTrue(res.ok)
+        self.assertIn("2", res.message)
+
+    def test_run_check_no_findings(self):
+        runner = _Recorder([_proc(out="[]")])
+        res = actions.run_check(runner)
+        self.assertTrue(res.ok)
+        self.assertIn("no findings", res.message.lower())