Added Type, Category and Signatories on task

test/tasks_provider_test.dart

@@ -0,0 +1,123 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tasq/providers/tasks_provider.dart';
+
+// Minimal fake supabase client similar to integration test work,
+// only implements the methods used by TasksController.
+class _FakeClient {
+  final Map<String, List<Map<String, dynamic>>> tables = {
+    'tasks': [],
+    'task_activity_logs': [],
+  };
+
+  _FakeQuery from(String table) => _FakeQuery(this, table);
+}
+
+class _FakeQuery {
+  final _FakeClient client;
+  final String table;
+  Map<String, dynamic>? _eq;
+  Map<String, dynamic>? _insertPayload;
+  Map<String, dynamic>? _updatePayload;
+
+  _FakeQuery(this.client, this.table);
+
+  _FakeQuery select([String? _]) => this;
+
+  Future<Map<String, dynamic>?> maybeSingle() async {
+    final rows = client.tables[table] ?? [];
+    if (_eq != null) {
+      final field = _eq!.keys.first;
+      final value = _eq![field];
+      for (final r in rows) {
+        if (r[field] == value) {
+          return Map<String, dynamic>.from(r);
+        }
+      }
+      return null;
+    }
+    return rows.isEmpty ? null : Map<String, dynamic>.from(rows.first);
+  }
+
+  _FakeQuery insert(Map<String, dynamic> payload) {
+    _insertPayload = Map<String, dynamic>.from(payload);
+    return this;
+  }
+
+  Future<Map<String, dynamic>> single() async {
+    if (_insertPayload != null) {
+      final id = 'tsk-${client.tables['tasks']!.length + 1}';
+      final row = Map<String, dynamic>.from(_insertPayload!);
+      row['id'] = id;
+      client.tables[table]!.add(row);
+      return Map<String, dynamic>.from(row);
+    }
+    throw Exception('unexpected single() call');
+  }
+
+  _FakeQuery update(Map<String, dynamic> payload) {
+    _updatePayload = payload;
+    // don't apply yet; wait for eq to know which row
+    return this;
+  }
+
+  _FakeQuery eq(String field, dynamic value) {
+    _eq = {field: value};
+    // apply update payload now that we know which row to target
+    if (_updatePayload != null) {
+      final idx = client.tables[table]!.indexWhere((r) => r[field] == value);
+      if (idx >= 0) {
+        client.tables[table]![idx] = {
+          ...client.tables[table]![idx],
+          ..._updatePayload!,
+        };
+      }
+      // clear payload after applying so subsequent eq calls don't reapply
+      _updatePayload = null;
+    }
+    return this;
+  }
+}
+
+void main() {
+  group('TasksController business rules', () {
+    late _FakeClient fake;
+    late TasksController controller;
+
+    setUp(() {
+      fake = _FakeClient();
+      controller = TasksController(fake as dynamic);
+      // ignore: avoid_dynamic_calls
+      // note: controller expects SupabaseClient; using dynamic bypass.
+    });
+
+    test('cannot complete a task without request details', () async {
+      // insert a task with no metadata
+      final row = {'id': 'tsk-1', 'status': 'queued'};
+      fake.tables['tasks']!.add(row);
+
+      expect(
+        () => controller.updateTaskStatus(taskId: 'tsk-1', status: 'completed'),
+        throwsA(isA<Exception>()),
+      );
+    });
+
+    test('completing after adding metadata succeeds', () async {
+      // insert a task
+      final row = {'id': 'tsk-2', 'status': 'queued'};
+      fake.tables['tasks']!.add(row);
+
+      // update metadata via updateTask
+      await controller.updateTask(
+        taskId: 'tsk-2',
+        requestType: 'Repair',
+        requestCategory: 'Hardware',
+      );
+
+      await controller.updateTaskStatus(taskId: 'tsk-2', status: 'completed');
+      expect(
+        fake.tables['tasks']!.firstWhere((t) => t['id'] == 'tsk-2')['status'],
+        'completed',
+      );
+    });
+  });
+}