fix: make dashboard sales-by-hour query cross-database compatible and add dashboard feature tests

app/Http/Controllers/DashboardController.php

@@ -36,23 +36,26 @@ public function __invoke()
         $stats['net_profit'] = $this->calculateDiff($stats['gross_profit'], $stats['total_expenses']);
         $stats['profit_margin'] = $this->calculateMargin($stats['net_profit'], $stats['total_revenue']);
 
+        $isSqlite = DB::getDriverName() === 'sqlite';
+        $hourSelect = $isSqlite ? "CAST(strftime('%H', created_at) AS INTEGER)" : 'HOUR(created_at)';
+
         // Get sales by hour
         $todayOrders = DB::table('orders')
             ->whereDate('created_at', $today)
             ->select(
-                DB::raw('HOUR(created_at) as hour'),
+                DB::raw("$hourSelect as hour"),
                 DB::raw('COUNT(*) as total')
             )
-            ->groupBy(DB::raw('HOUR(created_at)'))
+            ->groupBy(DB::raw($hourSelect))
             ->get();
 
         $yesterdayOrders = DB::table('orders')
             ->whereDate('created_at', $yesterday)
             ->select(
-                DB::raw('HOUR(created_at) as hour'),
+                DB::raw("$hourSelect as hour"),
                 DB::raw('COUNT(*) as total')
             )
-            ->groupBy(DB::raw('HOUR(created_at)'))
+            ->groupBy(DB::raw($hourSelect))
             ->get();
 
         $salesByHour = collect(range(0, 23))->map(function ($hour) use ($todayOrders, $yesterdayOrders) {

tests/Feature/Admin/DashboardTest.php

@@ -0,0 +1,73 @@
+<?php
+
+use App\Models\Expense;
+use App\Models\Order;
+use App\Models\Purchase;
+
+use function Pest\Laravel\actingAs;
+use function Pest\Laravel\get;
+
+/*
+|--------------------------------------------------------------------------
+| Dashboard Module Tests
+|--------------------------------------------------------------------------
+*/
+
+describe('Dashboard Module - Authorization', function () {
+    it('redirects to login when accessing dashboard unauthenticated', function () {
+        get(route('dashboard'))
+            ->assertRedirect(route('login'));
+    });
+
+    it('returns 403 when user has no permission to view dashboard', function () {
+        actingAs(createUnauthorizedUser())
+            ->get(route('dashboard'))
+            ->assertStatus(403);
+    });
+});
+
+describe('Dashboard Module - Authorized Actions', function () {
+    beforeEach(function () {
+        $user = createAuthorizedUser([
+            'View:Dashboard',
+        ]);
+        actingAs($user);
+    });
+
+    it('can access dashboard page and view statistics', function () {
+        // Create some dummy data to ensure queries don't fail and aggregations work
+        Order::factory()->count(3)->create([
+            'created_at' => now(),
+            'total' => 100000,
+            'cogs' => 50000,
+        ]);
+
+        Expense::factory()->count(2)->create([
+            'created_at' => now(),
+            'amount' => 20000,
+        ]);
+
+        Purchase::factory()->create([
+            'created_at' => now(),
+            'total' => 150000,
+        ]);
+
+        get(route('dashboard'))
+            ->assertOk()
+            ->assertInertia(fn ($page) => $page
+                ->component('dashboard')
+                ->has('stats')
+                ->has('stats.total_sales')
+                ->has('stats.total_revenue')
+                ->has('stats.total_expenses')
+                ->has('stats.gross_profit')
+                ->has('stats.net_profit')
+                ->has('salesByHour')
+                ->has('paymentMethods')
+                ->has('orderStatuses')
+                ->has('orderChannels')
+                ->has('topProducts')
+                ->has('topCustomers')
+            );
+    });
+});