alrahma_sunday_school/tests/app/Models/InvoiceModelTest.php

<?php

namespace Tests\App\Models;

use Tests\Support\DBReset;
use CodeIgniter\Test\CIUnitTestCase;
use App\Models\InvoiceModel;

class InvoiceModelTest extends CIUnitTestCase
{
    protected function setUp(): void
    {
        parent::setUp();
        DBReset::resetDatabase();
    }

    public function testCanInsertAndRetrieve()
    {
        $record = fake(InvoiceModel::class);
        $this->assertNotNull($record->id);
        $fetched = (new InvoiceModel())->find($record->id);
        $this->assertEquals($record->id, $fetched->id);
    }

    public function testCanUpdate()
    {
        $record = fake(InvoiceModel::class);
        $model = new InvoiceModel();
        $model->update($record->id, ['updated_at' => date('Y-m-d H:i:s')]);
        $this->assertTrue(true); // simple test to verify no exception thrown
    }

    public function testCanDelete()
    {
        $record = fake(InvoiceModel::class);
        $model = new InvoiceModel();
        $model->delete($record->id);
        $this->assertNull($model->find($record->id));
    }
}