VoxIP Kiosk OS 1.0.0: Raspberry Pi kiosk with web management

Chromium kiosk without a desktop for the Raspberry Pi 3, a Flask web
interface on port 8080 (kiosk, system and network management), a
restricted root helper, network changes with automatic rollback, a
healthcheck timer, install/update/uninstall scripts and a pi-gen image
build.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_sysinfo.py

@@ -0,0 +1,46 @@
+from voxip_kiosk import services, sysinfo
+
+
+def test_parse_throttled():
+    assert sysinfo.parse_throttled("throttled=0x0") == {"raw": "0x0", "now": False, "ever": False, "flags": []}
+    info = sysinfo.parse_throttled("throttled=0x50005")
+    assert info["now"] and info["ever"]
+    assert "Onderspanning" in info["flags"] and "Onderspanning opgetreden" in info["flags"]
+    assert sysinfo.parse_throttled("garbage") is None
+
+
+def test_parse_ip_json_keeps_global_addresses():
+    data = [
+        {"ifname": "lo", "addr_info": [{"local": "127.0.0.1", "prefixlen": 8, "scope": "host"}]},
+        {"ifname": "eth0", "addr_info": [{"local": "192.168.1.5", "prefixlen": 24, "scope": "global"},
+                                         {"local": "fe80::1", "prefixlen": 64, "scope": "link"}]},
+        {"ifname": "wlan0", "addr_info": []},
+    ]
+    assert sysinfo.parse_ip_json(data) == {"eth0": ["192.168.1.5/24"]}
+
+
+def test_proc_readers(tmp_path):
+    (tmp_path / "uptime").write_text("3725.5 100.0\n")
+    (tmp_path / "meminfo").write_text("MemTotal:  1000 kB\nMemFree: 100 kB\nMemAvailable:  250 kB\n")
+    (tmp_path / "stat").write_text("cpu  100 0 100 800 0 0 0 0 0 0\n")
+    assert sysinfo.uptime_seconds(str(tmp_path)) == 3725.5
+    assert sysinfo.memory(str(tmp_path)) == {"total": 1024000, "used": 768000, "percent": 75.0}
+    assert sysinfo.cpu_percent(str(tmp_path)) is not None
+
+
+def test_formatting():
+    assert sysinfo.format_duration(3725) == "1 u 2 min"
+    assert sysinfo.format_duration(90061) == "1 d 1 u 1 min"
+    assert sysinfo.format_bytes(1536 * 1024 * 1024) == "1,5 GB"
+
+
+def test_describe_units():
+    assert services.describe({"ActiveState": "active"}) == ("ok", "Actief")
+    assert services.describe({"ActiveState": "failed"})[0] == "error"
+    assert services.describe({"ActiveState": "inactive", "Result": "exit-code"})[0] == "error"
+    assert services.describe({"ActiveState": "inactive", "Result": "success"})[0] == "stopped"
+    assert services.describe({})[0] == "unknown"
+
+
+def test_parse_show():
+    assert services.parse_show("ActiveState=active\nNRestarts=3\n") == {"ActiveState": "active", "NRestarts": "3"}