strprfcrm/tests/Unit/Models/Dictionary/DistrictTest.php

<?php

namespace Tests\Unit\Models\Dictionary;

use App\Models\Dictionary\Area;
use App\Models\Dictionary\District;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class DistrictTest extends TestCase
{
    use RefreshDatabase;

    protected $seed = true;

    public function test_can_create_district(): void
    {
        $district = District::factory()->create();

        $this->assertNotNull($district->id);
        $this->assertDatabaseHas('districts', ['id' => $district->id]);
    }

    public function test_has_many_areas(): void
    {
        $district = District::factory()->create();

        Area::factory()->for($district)->count(3)->create();

        $this->assertEquals(3, $district->areas()->count());
    }

    public function test_soft_deletes(): void
    {
        $district = District::factory()->create();

        $district->delete();

        $this->assertTrue($district->trashed());
    }

    public function test_fillable_fields(): void
    {
        $district = new District();

        $this->assertContains('name', $district->getFillable());
        $this->assertContains('shortname', $district->getFillable());
    }

    public function test_relations_exist(): void
    {
        $district = District::factory()->create();

        $this->assertInstanceOf(HasMany::class, $district->areas());
    }
}