incr/tests/Feature/MilestoneTest.php

<?php

namespace Tests\Feature;

use App\Models\Milestone;
use App\Models\Tracker;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class MilestoneTest extends TestCase
{
    use RefreshDatabase;

    private function tracker(): Tracker
    {
        return Tracker::create([
            'user_id' => User::default()->id,
            'label' => 'Test',
            'unit' => 'units',
        ]);
    }

    public function test_can_create_milestone(): void
    {
        $tracker = $this->tracker();

        $milestone = Milestone::create([
            'tracker_id' => $tracker->id,
            'target' => 1500,
            'description' => 'First milestone',
        ]);

        $this->assertDatabaseHas('milestones', [
            'target' => 1500,
            'description' => 'First milestone',
        ]);

        $this->assertEquals(1500, $milestone->target);
        $this->assertEquals('First milestone', $milestone->description);
    }

    public function test_can_fetch_milestones_via_api(): void
    {
        $tracker = $this->tracker();
        Milestone::create(['tracker_id' => $tracker->id, 'target' => 1500, 'description' => 'First milestone']);
        Milestone::create(['tracker_id' => $tracker->id, 'target' => 3000, 'description' => 'Second milestone']);

        $response = $this->get('/milestones');

        $response->assertStatus(200);
        $response->assertJsonCount(2);
        $response->assertJson([
            ['target' => 1500, 'description' => 'First milestone'],
            ['target' => 3000, 'description' => 'Second milestone'],
        ]);
    }

    public function test_milestones_ordered_by_target(): void
    {
        $tracker = $this->tracker();
        Milestone::create(['tracker_id' => $tracker->id, 'target' => 3000, 'description' => 'Third']);
        Milestone::create(['tracker_id' => $tracker->id, 'target' => 1000, 'description' => 'First']);
        Milestone::create(['tracker_id' => $tracker->id, 'target' => 2000, 'description' => 'Second']);

        $response = $this->get('/milestones');

        $milestones = $response->json();
        $this->assertEquals(1000, $milestones[0]['target']);
        $this->assertEquals(2000, $milestones[1]['target']);
        $this->assertEquals(3000, $milestones[2]['target']);
    }
}