Add feature tests for CSKH Excel import and database backup CLI commands

tests/Feature/ExportBackupTest.php

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+<?php
+
+use App\Models\User;
+use App\Models\Product;
+use Illuminate\Support\Facades\File;
+
+uses(\Illuminate\Foundation\Testing\RefreshDatabase::class);
+
+test('export backup command exports database tables to json and writes manifest', function () {
+    // Create some data
+    User::factory()->count(3)->create();
+    Product::create(['name' => 'Sunrise Suite A1', 'status' => 'active']);
+    Product::create(['name' => 'Sunset Suite A2', 'status' => 'active']);
+
+    $backupPath = base_path('tests/Feature/backups_test');
+    
+    // Clean backup directory if it exists
+    if (File::isDirectory($backupPath)) {
+        File::deleteDirectory($backupPath);
+    }
+
+    // Run backup command
+    $this->artisan('app:export-backup', [
+        '--path' => $backupPath,
+        '--tables' => 'users,products',
+        '--pretty' => true
+    ])
+    ->assertExitCode(0);
+
+    // Verify backup folder created
+    $directories = File::directories($backupPath);
+    expect($directories)->toHaveCount(1);
+    
+    $backupDir = $directories[0];
+    
+    // Verify files created
+    expect(File::exists("{$backupDir}/manifest.json"))->toBeTrue();
+    expect(File::exists("{$backupDir}/users.json"))->toBeTrue();
+    expect(File::exists("{$backupDir}/products.json"))->toBeTrue();
+
+    // Verify manifest contents
+    $manifest = json_decode(File::get("{$backupDir}/manifest.json"), true);
+    expect($manifest['tables']['users'])->toBe(3);
+    expect($manifest['tables']['products'])->toBe(2);
+    expect($manifest['total_rows'])->toBe(5);
+
+    // Verify products contents
+    $productsJson = json_decode(File::get("{$backupDir}/products.json"), true);
+    expect($productsJson)->toHaveCount(2);
+    expect($productsJson[0]['name'])->toBe('Sunrise Suite A1');
+    expect($productsJson[1]['name'])->toBe('Sunset Suite A2');
+
+    // Clean up backup directory
+    File::deleteDirectory($backupPath);
+});

tests/Feature/ImportCskhTest.php

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+<?php
+
+use App\Models\Contract;
+use App\Models\Customer;
+use App\Models\Feedback;
+use App\Models\FeedbackChannel;
+use App\Models\FeedbackInteraction;
+use App\Models\Handover;
+use App\Models\Product;
+use App\Models\ProductService;
+use App\Models\User;
+
+uses(\Illuminate\Foundation\Testing\RefreshDatabase::class);
+
+beforeEach(function () {
+    // Seed a default user since the importer associates interactions with the first user
+    User::factory()->create([
+        'name' => 'Default Agent',
+        'email' => 'agent@test.com',
+    ]);
+
+    // Create a default FeedbackChannel (ID 1) which is required by the importer
+    FeedbackChannel::create([
+        'name' => 'Email',
+        'slug' => 'email',
+        'icon' => 'heroicon-o-envelope',
+        'color' => '#3b82f6'
+    ]);
+});
+
+test('cskh import command processes rows correctly in dry run and active modes', function () {
+    // Create temporary CSV file inside the project directory so WSL has easy access
+    $csvPath = base_path('tests/Feature/cskh_test.csv');
+    
+    // Headers: Mã căn hộ, Họ tên KH, BÀN GIÀO CĂN HỘ, TÌNH TRẠNG, HỢP ĐỒNG THUÊ, HĐ HỢP TÁC KINH DOANH, TỰ DOANH, Phí QL, Lịch Sử khách hàng
+    $headers = [
+        'Mã căn hộ',
+        'Họ tên KH',
+        'BÀN GIÀO CĂN HỘ',
+        'TÌNH TRẠNG',
+        'HỢP ĐỒNG THUÊ',
+        'HĐ HỢP TÁC KINH DOANH',
+        'TỰ DOANH',
+        'Phí QL',
+        'Lịch Sử khách hàng'
+    ];
+    
+    $row1 = [
+        'A1-101',
+        'Nguyen Van A',
+        '{"date":"2026-01-01 00:00:00.000000","timezone_type":3,"timezone":"UTC"}',
+        'Đã bàn giao căn hộ cho KH',
+        'Số HĐ: HĐ-001, Giá: 10M, Thời hạn: 1 năm',
+        '',
+        '',
+        'Đã thu phí QL tháng 1',
+        "KH báo hỏng bóng đèn\nKỹ thuật đã sửa xong"
+    ];
+
+    $row2 = [
+        'A1-102',
+        'Tran Thi B',
+        '',
+        '',
+        '',
+        'HĐ hợp tác BCC-123',
+        'Doanh nghiệp B',
+        '',
+        'Khách hàng thắc mắc hóa đơn tiền nước'
+    ];
+    
+    $fp = fopen($csvPath, 'w');
+    // Write UTF-8 BOM for Excel support
+    fprintf($fp, chr(0xEF).chr(0xBB).chr(0xBF));
+    fputcsv($fp, $headers);
+    fputcsv($fp, $row1);
+    fputcsv($fp, $row2);
+    fclose($fp);
+
+    // 1. Dry run execution
+    $this->artisan('app:import-cskh', [
+        'file_path' => $csvPath,
+        '--dry-run' => true
+    ])
+    ->expectsOutputToContain('Total rows in file: 2')
+    ->expectsOutputToContain('New Products')
+    ->assertExitCode(0);
+
+    // Verify no records created in dry-run
+    expect(Product::count())->toBe(0);
+    expect(Customer::count())->toBe(0);
+    expect(Contract::count())->toBe(0);
+    expect(Handover::count())->toBe(0);
+    expect(ProductService::count())->toBe(0);
+    expect(Feedback::count())->toBe(0);
+
+    // 2. Active run execution
+    $this->artisan('app:import-cskh', [
+        'file_path' => $csvPath
+    ])
+    ->expectsOutputToContain('Total rows in file: 2')
+    ->assertExitCode(0);
+
+    // Verify records created
+    expect(Product::count())->toBe(2);
+    expect(Customer::count())->toBe(2);
+    expect(Contract::count())->toBe(2); // 1 Lease (row1) and 1 BCC (row2)
+    expect(Handover::count())->toBe(1); // row1 has handover, row2 doesn't
+    expect(ProductService::count())->toBe(1); // row2 has Self-Business
+    expect(Feedback::count())->toBe(2); // both have feedback logs
+    expect(FeedbackInteraction::count())->toBe(3); // row1 has 2 lines, row2 has 1 line
+
+    // Verify relationships and fields
+    $productA = Product::where('name', 'A1-101')->first();
+    expect($productA)->not->toBeNull();
+    
+    $handover = Handover::where('product_id', $productA->id)->first();
+    expect($handover)->not->toBeNull();
+    expect($handover->handover_date)->toBe('2026-01-01');
+    
+    $contract = Contract::where('product_id', $productA->id)->first();
+    expect($contract)->not->toBeNull();
+    expect($contract->type)->toBe('lease'); // type is a string 'lease'
+
+    // Clean up temporary file
+    @unlink($csvPath);
+});