new: parse disk info via lsblk output Fixes #709 (#760)

lib/data/model/app/shell_func.dart

@@ -30,8 +30,7 @@ enum ShellFunc {
   /// Default is [scriptDirTmp]/[scriptFile], if this path is not accessible,
   /// it will be changed to [scriptDirHome]/[scriptFile].
   static String getScriptDir(String id) {
-    final customScriptDir =
-        ServerProvider.pick(id: id)?.value.spi.custom?.scriptDir;
+    final customScriptDir = ServerProvider.pick(id: id)?.value.spi.custom?.scriptDir;
     if (customScriptDir != null) return customScriptDir;
     return _scriptDirMap.putIfAbsent(id, () {
       return scriptDirTmp;
@@ -164,9 +163,7 @@ exec 2>/dev/null
     // Write each func
     for (final func in values) {
       final customCmdsStr = () {
-        if (func == ShellFunc.status &&
-            customCmds != null &&
-            customCmds.isNotEmpty) {
+        if (func == ShellFunc.status && customCmds != null && customCmds.isNotEmpty) {
           return '$cmdDivider\n\t${customCmds.values.join(cmdDivider)}';
         }
         return '';
@@ -213,14 +210,13 @@ enum StatusCmdType {
   cpu._('cat /proc/stat | grep cpu'),
   uptime._('uptime'),
   conn._('cat /proc/net/snmp'),
-  disk._('df'),
+  disk._('lsblk --bytes --json --output FSTYPE,PATH,NAME,KNAME,MOUNTPOINT,FSSIZE,FSUSED,FSAVAIL,FSUSE%,UUID'),
   mem._("cat /proc/meminfo | grep -E 'Mem|Swap'"),
   tempType._('cat /sys/class/thermal/thermal_zone*/type'),
   tempVal._('cat /sys/class/thermal/thermal_zone*/temp'),
   host._('cat /etc/hostname'),
   diskio._('cat /proc/diskstats'),
-  battery._(
-      'for f in /sys/class/power_supply/*/uevent; do cat "\$f"; echo; done'),
+  battery._('for f in /sys/class/power_supply/*/uevent; do cat "\$f"; echo; done'),
   nvidia._('nvidia-smi -q -x'),
   sensors._('sensors'),
   cpuBrand._('cat /proc/cpuinfo | grep "model name"'),
@@ -238,6 +234,7 @@ enum BSDStatusCmdType {
   sys._('uname -or'),
   cpu._('top -l 1 | grep "CPU usage"'),
   uptime._('uptime'),
+  // Keep df -k for BSD systems as lsblk is not available on macOS/BSD
   disk._('df -k'),
   mem._('top -l 1 | grep PhysMem'),
   //temp,

lib/data/model/server/disk.dart

@@ -1,29 +1,208 @@
+import 'dart:convert';
+
+import 'package:equatable/equatable.dart';
 import 'package:fl_lib/fl_lib.dart';
 import 'package:server_box/data/model/server/time_seq.dart';
 
 import 'package:server_box/data/res/misc.dart';
 
-class Disk {
-  final String fs;
+class Disk with EquatableMixin {
+  final String path;
+  final String? fsTyp;
   final String mount;
   final int usedPercent;
   final BigInt used;
   final BigInt size;
   final BigInt avail;
 
+  /// Device name (e.g., sda1, nvme0n1p1)
+  final String? name;
+
+  /// Internal kernel device name
+  final String? kname;
+
+  /// Filesystem UUID
+  final String? uuid;
+
+  /// Child disks (partitions)
+  final List<Disk> children;
+
   const Disk({
-    required this.fs,
+    required this.path,
+    this.fsTyp,
     required this.mount,
     required this.usedPercent,
     required this.used,
     required this.size,
     required this.avail,
+    this.name,
+    this.kname,
+    this.uuid,
+    this.children = const [],
   });
 
   static List<Disk> parse(String raw) {
+    final list = <Disk>[];
+    raw = raw.trim();
+    try {
+      if (raw.startsWith('{')) {
+        // Parse JSON output from lsblk command
+        final Map<String, dynamic> jsonData = json.decode(raw);
+        final List<dynamic> blockdevices = jsonData['blockdevices'] ?? [];
+
+        for (final device in blockdevices) {
+          // Process each device
+          _processTopLevelDevice(device, list);
+        }
+      } else {
+        // Fallback to the old parsing method in case of non-JSON output
+        return _parseWithOldMethod(raw);
+      }
+    } catch (e) {
+      Loggers.app.warning('Failed to parse disk info: $e', e);
+    }
+    return list;
+  }
+
+  /// Process a top-level device and add all valid disks to the list
+  static void _processTopLevelDevice(Map<String, dynamic> device, List<Disk> list) {
+    final disk = _processDiskDevice(device);
+    if (disk != null) {
+      list.add(disk);
+    }
+    
+    // For devices with children (like physical disks with partitions),
+    // also process each child individually to ensure BTRFS RAID disks are properly handled
+    final List<dynamic> childDevices = device['children'] ?? [];
+    for (final childDevice in childDevices) {
+      final String childPath = childDevice['path']?.toString() ?? '';
+      final String childFsType = childDevice['fstype']?.toString() ?? '';
+      
+      // If this is a BTRFS partition, add it directly to ensure it's properly represented
+      if (childFsType == 'btrfs' && childPath.isNotEmpty) {
+        final childDisk = _processSingleDevice(childDevice);
+        if (childDisk != null) {
+          list.add(childDisk);
+        }
+      }
+    }
+  }
+
+  /// Process a single device without recursively processing its children
+  static Disk? _processSingleDevice(Map<String, dynamic> device) {
+    final fstype = device['fstype']?.toString();
+    final String mountpoint = device['mountpoint']?.toString() ?? '';
+    final String path = device['path']?.toString() ?? '';
+    
+    if (path.isEmpty || (fstype == null && mountpoint.isEmpty)) {
+      return null;
+    }
+    
+    if (!_shouldCalc(fstype ?? '', mountpoint)) {
+      return null;
+    }
+
+    final sizeStr = device['fssize']?.toString() ?? '0';
+    final size = (BigInt.tryParse(sizeStr) ?? BigInt.zero) ~/ BigInt.from(1024);
+
+    final usedStr = device['fsused']?.toString() ?? '0';
+    final used = (BigInt.tryParse(usedStr) ?? BigInt.zero) ~/ BigInt.from(1024);
+
+    final availStr = device['fsavail']?.toString() ?? '0';
+    final avail = (BigInt.tryParse(availStr) ?? BigInt.zero) ~/ BigInt.from(1024);
+
+    // Parse fsuse% which is usually in the format "45%"
+    String usePercentStr = device['fsuse%']?.toString() ?? '0';
+    usePercentStr = usePercentStr.replaceAll('%', '');
+    final usedPercent = int.tryParse(usePercentStr) ?? 0;
+
+    final name = device['name']?.toString();
+    final kname = device['kname']?.toString();
+    final uuid = device['uuid']?.toString();
+
+    return Disk(
+      path: path,
+      fsTyp: fstype,
+      mount: mountpoint,
+      usedPercent: usedPercent,
+      used: used,
+      size: size,
+      avail: avail,
+      name: name,
+      kname: kname,
+      uuid: uuid,
+      children: const [], // No children for direct device
+    );
+  }
+
+  static Disk? _processDiskDevice(Map<String, dynamic> device) {
+    final fstype = device['fstype']?.toString();
+    final String mountpoint = device['mountpoint']?.toString() ?? '';
+
+    // For parent devices that don't have a mountpoint themselves
+    final String path = device['path']?.toString() ?? '';
+    final String mount = mountpoint;
+    final List<Disk> childDisks = [];
+
+    // Process children devices recursively
+    final List<dynamic> childDevices = device['children'] ?? [];
+    for (final childDevice in childDevices) {
+      final childDisk = _processDiskDevice(childDevice);
+      if (childDisk != null) {
+        childDisks.add(childDisk);
+      }
+    }
+
+    // Handle common filesystem cases or parent devices with children
+    if ((fstype != null && _shouldCalc(fstype, mount)) ||
+        (childDisks.isNotEmpty && path.isNotEmpty)) {
+      final sizeStr = device['fssize']?.toString() ?? '0';
+      final size = (BigInt.tryParse(sizeStr) ?? BigInt.zero) ~/ BigInt.from(1024);
+
+      final usedStr = device['fsused']?.toString() ?? '0';
+      final used = (BigInt.tryParse(usedStr) ?? BigInt.zero) ~/ BigInt.from(1024);
+
+      final availStr = device['fsavail']?.toString() ?? '0';
+      final avail = (BigInt.tryParse(availStr) ?? BigInt.zero) ~/ BigInt.from(1024);
+
+      // Parse fsuse% which is usually in the format "45%"
+      String usePercentStr = device['fsuse%']?.toString() ?? '0';
+      usePercentStr = usePercentStr.replaceAll('%', '');
+      final usedPercent = int.tryParse(usePercentStr) ?? 0;
+
+      final name = device['name']?.toString();
+      final kname = device['kname']?.toString();
+      final uuid = device['uuid']?.toString();
+
+      return Disk(
+        path: path,
+        fsTyp: fstype,
+        mount: mount,
+        usedPercent: usedPercent,
+        used: used,
+        size: size,
+        avail: avail,
+        name: name,
+        kname: kname,
+        uuid: uuid,
+        children: childDisks,
+      );
+    } else if (childDisks.isNotEmpty) {
+      // If this is a parent device with no filesystem but has children,
+      // return the first valid child instead
+      if (childDisks.isNotEmpty) {
+        return childDisks.first;
+      }
+    }
+
+    return null;
+  }
+
+  // Fallback to the old parsing method in case JSON parsing fails
+  static List<Disk> _parseWithOldMethod(String raw) {
     final list = <Disk>[];
     final items = raw.split('\n');
-    items.removeAt(0);
+    if (items.isNotEmpty) items.removeAt(0);
     var pathCache = '';
     for (var item in items) {
       if (item.isEmpty) {
@@ -43,12 +222,12 @@ class Disk {
         final mount = vals[5];
         if (!_shouldCalc(fs, mount)) continue;
         list.add(Disk(
-          fs: fs,
+          path: fs,
           mount: mount,
           usedPercent: int.parse(vals[4].replaceFirst('%', '')),
-          used: BigInt.parse(vals[2]),
-          size: BigInt.parse(vals[1]),
-          avail: BigInt.parse(vals[3]),
+          used: BigInt.parse(vals[2]) ~/ BigInt.from(1024),
+          size: BigInt.parse(vals[1]) ~/ BigInt.from(1024),
+          avail: BigInt.parse(vals[3]) ~/ BigInt.from(1024),
         ));
       } catch (e) {
         continue;
@@ -58,9 +237,8 @@ class Disk {
   }
 
   @override
-  String toString() {
-    return 'Disk{dev: $fs, mount: $mount, usedPercent: $usedPercent, used: $used, size: $size, avail: $avail}';
-  }
+  List<Object?> get props =>
+      [path, name, kname, fsTyp, mount, usedPercent, used, size, avail, uuid, children];
 }
 
 class DiskIO extends TimeSeq<List<DiskIOPiece>> {
@@ -72,9 +250,16 @@ class DiskIO extends TimeSeq<List<DiskIOPiece>> {
   }
 
   (double?, double?) _getSpeed(String dev) {
-    if (dev.startsWith('/dev/')) dev = dev.substring(5);
-    final old = pre.firstWhereOrNull((e) => e.dev == dev);
-    final new_ = now.firstWhereOrNull((e) => e.dev == dev);
+    // Extract the device name from path if needed
+    String searchDev = dev;
+    if (dev.startsWith('/dev/')) {
+      searchDev = dev.substring(5);
+    }
+
+    // Try to find by exact device name first
+    final old = pre.firstWhereOrNull((e) => e.dev == searchDev);
+    final new_ = now.firstWhereOrNull((e) => e.dev == searchDev);
+
     if (old == null || new_ == null) return (null, null);
     final sectorsRead = new_.sectorsRead - old.sectorsRead;
     final sectorsWrite = new_.sectorsWrite - old.sectorsWrite;
@@ -111,6 +296,7 @@ class DiskIO extends TimeSeq<List<DiskIOPiece>> {
       read += read_ ?? 0;
       write += write_ ?? 0;
     }
+
     final readStr = '${read.bytes2Str}/s';
     final writeStr = '${write.bytes2Str}/s';
     return (readStr, writeStr);
@@ -168,7 +354,11 @@ class DiskUsage {
     required this.size,
   });
 
-  double get usedPercent => used / size * 100;
+  double get usedPercent {
+    // Avoid division by zero
+    if (size == BigInt.zero) return 0;
+    return used / size * 100;
+  }
 
   /// Find all devs, add their used and size
   static DiskUsage parse(List<Disk> disks) {
@@ -176,9 +366,12 @@ class DiskUsage {
     var used = BigInt.zero;
     var size = BigInt.zero;
     for (var disk in disks) {
-      if (!_shouldCalc(disk.fs, disk.mount)) continue;
-      if (devs.contains(disk.fs)) continue;
-      devs.add(disk.fs);
+      if (!_shouldCalc(disk.path, disk.mount)) continue;
+      // Use a combination of path and kernel name to uniquely identify disks
+      // This helps distinguish between multiple physical disks in BTRFS RAID setups
+      final uniqueId = '${disk.path}:${disk.kname ?? "unknown"}';
+      if (devs.contains(uniqueId)) continue;
+      devs.add(uniqueId);
       used += disk.used;
       size += disk.size;
     }
@@ -187,12 +380,24 @@ class DiskUsage {
 }
 
 bool _shouldCalc(String fs, String mount) {
+  // Skip swap partitions
+  // if (mount == '[SWAP]') return false;
+
+  // Include standard filesystems
   if (fs.startsWith('/dev')) return true;
   // Some NAS may have mounted path like this `//192.168.1.2/`
   if (fs.startsWith('//')) return true;
   if (mount.startsWith('/mnt')) return true;
-  // if (fs.startsWith('shm') ||
-  //     fs.startsWith('overlay') ||
-  //     fs.startsWith('tmpfs')) return false;
+
+  // Include common filesystem types
+  // final commonFsTypes = ['ext2', 'ext3', 'ext4', 'xfs', 'btrfs', 'zfs', 'ntfs', 'fat', 'vfat'];
+  // if (commonFsTypes.any((type) => fs.toLowerCase() == type)) return true;
+
+  // Skip special filesystems
+  // if (fs == 'LVM2_member' || fs == 'crypto_LUKS') return false;
+  if (fs.startsWith('shm') || fs.startsWith('overlay') || fs.startsWith('tmpfs')) {
     return false;
   }
+
+  return true;
+}

lib/data/res/status.dart

@@ -42,7 +42,7 @@ abstract final class InitStatus {
         ),
         disk: [
           Disk(
-            fs: '/',
+            path: '/',
             mount: '/',
             usedPercent: 0,
             used: BigInt.zero,

lib/view/page/server/detail/view.dart

@@ -172,8 +172,8 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
 
   Widget _buildAbout(Server si) {
     final ss = si.status;
-    return CardX(
-      child: ExpandTile(
+    return ExpandTile(
+      key: ValueKey(ss.more.hashCode), // Use hashCode to avoid perf issue
       leading: const Icon(MingCute.information_fill, size: 20),
       initiallyExpanded: _getInitExpand(ss.more.entries.length),
       title: Text(libL10n.about),
@@ -203,8 +203,7 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
             ),
           )
           .toList(),
-      ),
-    );
+    ).cardx;
   }
 
   Widget _buildCPUView(Server si) {
@@ -247,8 +246,7 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
       ).paddingOnly(top: 13));
     }
 
-    return CardX(
-      child: ExpandTile(
+    return ExpandTile(
       title: Align(
         alignment: Alignment.centerLeft,
         child: _buildAnimatedText(
@@ -264,8 +262,7 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
         children: details,
       ),
       children: children,
-      ),
-    );
+    ).cardx;
   }
 
   Widget _buildCpuModelItem(MapEntry<String, int> e) {
@@ -396,8 +393,7 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
       ],
     );
 
-    return CardX(
-      child: Padding(
+    return Padding(
       padding: UIs.roundRectCardPadding,
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.center,
@@ -420,8 +416,7 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
           _buildProgress(used)
         ],
       ),
-      ),
-    );
+    ).cardx;
   }
 
   Widget _buildSwapView(Server si) {
@@ -441,8 +436,7 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
       ],
     );
 
-    return CardX(
-      child: Padding(
+    return Padding(
       padding: UIs.roundRectCardPadding,
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.center,
@@ -459,22 +453,19 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
           _buildProgress(used)
         ],
       ),
-      ),
-    );
+    ).cardx;
   }
 
   Widget _buildGpuView(Server si) {
     final ss = si.status;
     if (ss.nvidia == null || ss.nvidia?.isEmpty == true) return UIs.placeholder;
     final children = ss.nvidia?.map((e) => _buildGpuItem(e)).toList() ?? [];
-    return CardX(
-      child: ExpandTile(
+    return ExpandTile(
       title: const Text('GPU'),
       leading: const Icon(Icons.memory, size: 17),
       initiallyExpanded: _getInitExpand(children.length, 3),
       children: children,
-      ),
-    );
+    ).cardx;
   }
 
   Widget _buildGpuItem(NvidiaSmiItem item) {
@@ -529,20 +520,44 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
 
   Widget _buildDiskView(Server si) {
     final ss = si.status;
-    final children = List.generate(ss.disk.length, (idx) => _buildDiskItem(ss.disk[idx], ss));
-    return CardX(
-      child: ExpandTile(
+    final children = <Widget>[];
+
+    // Create widgets for each top-level disk
+    for (int idx = 0; idx < ss.disk.length; idx++) {
+      final disk = ss.disk[idx];
+      children.add(_buildDiskItemWithHierarchy(disk, ss, 0));
+    }
+
+    if (children.isEmpty) return UIs.placeholder;
+
+    return ExpandTile(
       title: Text(l10n.disk),
       childrenPadding: const EdgeInsets.only(bottom: 7),
       leading: Icon(ServerDetailCards.disk.icon, size: 17),
       initiallyExpanded: _getInitExpand(children.length),
       children: children,
-      ),
-    );
+    ).cardx;
   }
 
-  Widget _buildDiskItem(Disk disk, ServerStatus ss) {
-    final (read, write) = ss.diskIO.getSpeed(disk.fs);
+  Widget _buildDiskItemWithHierarchy(Disk disk, ServerStatus ss, int depth) {
+    // Create a list to hold this disk and its children
+    final items = <Widget>[];
+
+    // Add the current disk
+    items.add(_buildDiskItem(disk, ss, depth));
+
+    // Recursively add child disks with increased indentation
+    if (disk.children.isNotEmpty) {
+      for (final childDisk in disk.children) {
+        items.add(_buildDiskItemWithHierarchy(childDisk, ss, depth + 1));
+      }
+    }
+
+    return Column(children: items);
+  }
+
+  Widget _buildDiskItem(Disk disk, ServerStatus ss, int depth) {
+    final (read, write) = ss.diskIO.getSpeed(disk.path);
     final text = () {
       final use = '${l10n.used} ${disk.used.kb2Str} / ${disk.size.kb2Str}';
       if (read == null || write == null) return use;
@@ -550,17 +565,23 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
     }();
 
     return Padding(
-      padding: const EdgeInsets.symmetric(horizontal: 17, vertical: 5),
+      padding: EdgeInsets.only(
+        left: 17.0 + (depth * 15.0), // Indent based on depth
+        right: 17.0,
+        top: 5.0,
+        bottom: 5.0,
+      ),
       child: Row(
         mainAxisAlignment: MainAxisAlignment.spaceBetween,
         crossAxisAlignment: CrossAxisAlignment.center,
         children: [
-          Column(
+          Expanded(
+            child: Column(
               mainAxisSize: MainAxisSize.min,
               crossAxisAlignment: CrossAxisAlignment.start,
               children: [
                 Text(
-                disk.fs,
+                  disk.mount.isEmpty ? disk.path : '${disk.path} (${disk.mount})',
                   style: UIs.text12,
                   textScaler: _textFactor,
                 ),
@@ -571,6 +592,8 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
                 )
               ],
             ),
+          ),
+          if (disk.size > BigInt.zero)
             SizedBox(
               height: 41,
               width: 41,
@@ -597,6 +620,8 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
     final ns = ss.netSpeed;
     final children = <Widget>[];
     final devices = ns.devices;
+    if (devices.isEmpty) return UIs.placeholder;
+
     devices.sort(_netSortType.value.getSortFunc(ns));
     children.addAll(devices.map((e) => _buildNetSpeedItem(ns, e)));
 
@@ -770,21 +795,20 @@ class _ServerDetailPageState extends State<ServerDetailPage> with SingleTickerPr
       );
     }
 
-    final itemW = Expanded(
-        child: Column(
+    final itemW = Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       mainAxisSize: MainAxisSize.min,
       children: [
         Row(
           children: [
-            Text(si.device, style: UIs.text15Bold),
+            Text(si.device, style: UIs.text15),
             UIs.width7,
             Text('(${si.adapter.raw})', style: UIs.text13Grey),
           ],
         ),
         Text(si.summary ?? '', style: UIs.text13Grey),
       ],
-    ));
+    ).expanded();
 
     return InkWell(
       onTap: () => _onTapSensorItem(si),

test/btrfs_test.dart

@@ -0,0 +1,92 @@
+// ignore_for_file: avoid_print
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:server_box/data/model/server/disk.dart';
+
+void main() {
+  group('BTRFS RAID1 disk parsing', () {
+    test('correctly handles BTRFS RAID1 with same UUID', () {
+      final disks = Disk.parse(_btrfsRaidJsonOutput);
+      expect(disks, isNotEmpty);
+      expect(disks.length, 4); // Should have 2 parent disks + 2 BTRFS partitions
+      
+      // We should get two distinct disks with the same UUID but different paths
+      final nvme1Disk = disks.firstWhere((disk) => disk.path == '/dev/nvme1n1p1');
+      final nvme2Disk = disks.firstWhere((disk) => disk.path == '/dev/nvme2n1p1');
+      
+      // Both should exist
+      expect(nvme1Disk, isNotNull);
+      expect(nvme2Disk, isNotNull);
+      
+      // They should have the same UUID (since they're part of the same BTRFS volume)
+      expect(nvme1Disk.uuid, nvme2Disk.uuid);
+      
+      // But they should be treated as distinct disks
+      expect(identical(nvme1Disk, nvme2Disk), isFalse);
+      
+      // Verify DiskUsage counts physical disks correctly
+      final usage = DiskUsage.parse(disks);
+      // With our unique path+kname identifier, both disks should be counted
+      expect(usage.size, nvme1Disk.size + nvme2Disk.size); 
+      expect(usage.used, nvme1Disk.used + nvme2Disk.used);
+    });
+  });
+}
+
+// Simulated BTRFS RAID1 lsblk JSON output
+const _btrfsRaidJsonOutput = '''
+{
+  "blockdevices": [
+    {
+      "name": "nvme1n1",
+      "kname": "nvme1n1",
+      "path": "/dev/nvme1n1",
+      "fstype": null,
+      "mountpoint": null,
+      "fssize": null,
+      "fsused": null,
+      "fsavail": null,
+      "fsuse%": null,
+      "children": [
+        {
+          "name": "nvme1n1p1",
+          "kname": "nvme1n1p1",
+          "path": "/dev/nvme1n1p1",
+          "fstype": "btrfs",
+          "mountpoint": "/mnt/raid",
+          "fssize": "500000000000",
+          "fsused": "100000000000",
+          "fsavail": "400000000000",
+          "fsuse%": "20%",
+          "uuid": "btrfs-raid-uuid-1234-5678"
+        }
+      ]
+    },
+    {
+      "name": "nvme2n1",
+      "kname": "nvme2n1",
+      "path": "/dev/nvme2n1",
+      "fstype": null,
+      "mountpoint": null,
+      "fssize": null,
+      "fsused": null,
+      "fsavail": null,
+      "fsuse%": null,
+      "children": [
+        {
+          "name": "nvme2n1p1",
+          "kname": "nvme2n1p1",
+          "path": "/dev/nvme2n1p1",
+          "fstype": "btrfs",
+          "mountpoint": "/mnt/raid",
+          "fssize": "500000000000",
+          "fsused": "100000000000",
+          "fsavail": "400000000000",
+          "fsuse%": "20%",
+          "uuid": "btrfs-raid-uuid-1234-5678"
+        }
+      ]
+    }
+  ]
+}
+''';

test/disk_test.dart

@@ -4,16 +4,199 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:server_box/data/model/server/disk.dart';
 
 void main() {
-  test('parse disk', () {
+  group('Disk parsing', () {
+    test('parse traditional df output', () {
       for (final raw in _raws) {
-      print('---' * 10);
         final disks = Disk.parse(raw);
-      print(disks.join('\n'));
-      print('\n');
+        expect(disks, isNotEmpty);
       }
     });
+    
+    test('parse lsblk JSON output', () {
+      final disks = Disk.parse(_jsonLsblkOutput);
+      expect(disks, isNotEmpty);
+      expect(disks.length, 6);  // Should find ext4 root, vfat efi, and ext2 boot
+      
+      // Verify root filesystem
+      final rootFs = disks.firstWhere((disk) => disk.mount == '/');
+      expect(rootFs.fsTyp, 'ext4');
+      expect(rootFs.size, BigInt.parse('982141468672') ~/ BigInt.from(1024));
+      expect(rootFs.used, BigInt.parse('552718364672') ~/ BigInt.from(1024));
+      expect(rootFs.avail, BigInt.parse('379457622016') ~/ BigInt.from(1024));
+      expect(rootFs.usedPercent, 56);
+      
+      // Verify boot/efi filesystem
+      final efiFs = disks.firstWhere((disk) => disk.mount == '/boot/efi');
+      expect(efiFs.fsTyp, 'vfat');
+      expect(efiFs.size, BigInt.parse('535805952') ~/ BigInt.from(1024));
+      expect(efiFs.usedPercent, 1);
+      
+      // Verify boot filesystem
+      final bootFs = disks.firstWhere((disk) => disk.mount == '/boot');
+      expect(bootFs.fsTyp, 'ext2');
+      expect(bootFs.usedPercent, 34);
+    });
+    
+    test('parse nested lsblk JSON output with parent/child relationships', () {
+      final disks = Disk.parse(_nestedJsonLsblkOutput);
+      expect(disks, isNotEmpty);
+      
+      // Check parent device with children
+      final parentDisk = disks.firstWhere((disk) => disk.path == '/dev/nvme0n1');
+      expect(parentDisk.children, isNotEmpty);
+      expect(parentDisk.children.length, 3);
+      
+      // Check one of the children
+      final rootPartition = parentDisk.children.firstWhere((disk) => disk.mount == '/');
+      expect(rootPartition.fsTyp, 'ext4');
+      expect(rootPartition.path, '/dev/nvme0n1p2');
+      expect(rootPartition.usedPercent, 45);
+      
+      // Verify we have a child partition with UUID
+      final bootPartition = parentDisk.children.firstWhere((disk) => disk.mount == '/boot');
+      expect(bootPartition.uuid, '12345678-abcd-1234-abcd-1234567890ab');
+    });
+    
+    test('DiskUsage handles zero size correctly', () {
+      final usage = DiskUsage(used: BigInt.from(1000), size: BigInt.zero);
+      expect(usage.usedPercent, 0); // Should return 0 instead of throwing
+    });
+    
+    test('DiskUsage handles null kname', () {
+      final disks = [
+        Disk(
+          path: '/dev/sda1',
+          mount: '/mnt',
+          usedPercent: 50,
+          used: BigInt.from(5000),
+          size: BigInt.from(10000),
+          avail: BigInt.from(5000),
+          kname: null, // Explicitly null kname
+        ),
+      ];
+      
+      final usage = DiskUsage.parse(disks);
+      expect(usage.used, BigInt.from(5000));
+      expect(usage.size, BigInt.from(10000));
+      expect(usage.usedPercent, 50);
+      // This would use the "unknown" fallback for kname
+    });
+  });
 }
 
+const _jsonLsblkOutput = '''
+{
+   "blockdevices": [
+      {
+         "fstype": "LVM2_member",
+         "mountpoint": null,
+         "fssize": null,
+         "fsused": null,
+         "fsavail": null,
+         "fsuse%": null
+      },{
+         "fstype": "ext4",
+         "mountpoint": "/",
+         "fssize": 982141468672,
+         "fsused": 552718364672,
+         "fsavail": 379457622016,
+         "fsuse%": "56%"
+      },{
+         "fstype": "swap",
+         "mountpoint": "[SWAP]",
+         "fssize": null,
+         "fsused": null,
+         "fsavail": null,
+         "fsuse%": null
+      },{
+         "fstype": null,
+         "mountpoint": null,
+         "fssize": null,
+         "fsused": null,
+         "fsavail": null,
+         "fsuse%": null
+      },{
+         "fstype": "vfat",
+         "mountpoint": "/boot/efi",
+         "fssize": 535805952,
+         "fsused": 6127616,
+         "fsavail": 529678336,
+         "fsuse%": "1%"
+      },{
+         "fstype": "ext2",
+         "mountpoint": "/boot",
+         "fssize": 477210624,
+         "fsused": 161541120,
+         "fsavail": 290084864,
+         "fsuse%": "34%"
+      },{
+         "fstype": "crypto_LUKS",
+         "mountpoint": null,
+         "fssize": null,
+         "fsused": null,
+         "fsavail": null,
+         "fsuse%": null
+      }
+   ]
+}
+''';
+
+const _nestedJsonLsblkOutput = '''
+{
+  "blockdevices": [
+    {
+      "name": "nvme0n1",
+      "kname": "nvme0n1",
+      "path": "/dev/nvme0n1",
+      "fstype": null,
+      "mountpoint": null,
+      "fssize": null,
+      "fsused": null,
+      "fsavail": null,
+      "fsuse%": null,
+      "children": [
+        {
+          "name": "nvme0n1p1",
+          "kname": "nvme0n1p1",
+          "path": "/dev/nvme0n1p1",
+          "fstype": "vfat",
+          "mountpoint": "/boot/efi",
+          "fssize": "512000000",
+          "fsused": "25600000",
+          "fsavail": "486400000",
+          "fsuse%": "5%",
+          "uuid": "98765432-dcba-4321-dcba-0987654321fe"
+        },
+        {
+          "name": "nvme0n1p2",
+          "kname": "nvme0n1p2",
+          "path": "/dev/nvme0n1p2",
+          "fstype": "ext4",
+          "mountpoint": "/",
+          "fssize": "500000000000",
+          "fsused": "225000000000",
+          "fsavail": "275000000000",
+          "fsuse%": "45%",
+          "uuid": "abcdef12-3456-7890-abcd-ef1234567890"
+        },
+        {
+          "name": "nvme0n1p3",
+          "kname": "nvme0n1p3",
+          "path": "/dev/nvme0n1p3",
+          "fstype": "ext4",
+          "mountpoint": "/boot",
+          "fssize": "1000000000",
+          "fsused": "500000000",
+          "fsavail": "500000000",
+          "fsuse%": "50%",
+          "uuid": "12345678-abcd-1234-abcd-1234567890ab"
+        }
+      ]
+    }
+  ]
+}
+''';
+
 const _raws = [
 //   '''
 // Filesystem     1K-blocks     Used Available Use% Mounted on