sprint_planer_web/tests/Domain/TaskAssignmentTest.php

<?php

declare(strict_types=1);

namespace App\Tests\Domain;

use App\Domain\TaskAssignment;
use PHPUnit\Framework\TestCase;

/**
 * Phase 18: status enum guard. The repo + controller both lean on this for
 * validation, so it gets its own pin.
 */
final class TaskAssignmentTest extends TestCase
{
    public function testKnownStatusesAreValid(): void
    {
        $this->assertTrue(TaskAssignment::isValidStatus('zugewiesen'));
        $this->assertTrue(TaskAssignment::isValidStatus('gestartet'));
        $this->assertTrue(TaskAssignment::isValidStatus('abgeschlossen'));
        $this->assertTrue(TaskAssignment::isValidStatus('abgebrochen'));
    }

    public function testUnknownStatusesAreRejected(): void
    {
        $this->assertFalse(TaskAssignment::isValidStatus(''));
        $this->assertFalse(TaskAssignment::isValidStatus('done'));
        $this->assertFalse(TaskAssignment::isValidStatus('in-progress'));
        $this->assertFalse(TaskAssignment::isValidStatus('ZUGEWIESEN'));
    }

    public function testAuditSnapshotIncludesStatus(): void
    {
        $a = new TaskAssignment(1, 2, 3, 1.5, TaskAssignment::STATUS_GESTARTET);
        $snapshot = $a->toAuditSnapshot();

        $this->assertSame(1,                                $snapshot['id']);
        $this->assertSame(2,                                $snapshot['task_id']);
        $this->assertSame(3,                                $snapshot['sprint_worker_id']);
        $this->assertSame(1.5,                              $snapshot['days']);
        $this->assertSame(TaskAssignment::STATUS_GESTARTET, $snapshot['status']);
    }

    public function testStatusesListIsCanonicalOrder(): void
    {
        // Workflow order: assigned → started → done | cancelled. Tests both
        // the constant order and the count, so adding a new status doesn't
        // silently slot in the wrong spot.
        $this->assertSame(
            [
                TaskAssignment::STATUS_ZUGEWIESEN,
                TaskAssignment::STATUS_GESTARTET,
                TaskAssignment::STATUS_ABGESCHLOSSEN,
                TaskAssignment::STATUS_ABGEBROCHEN,
            ],
            TaskAssignment::STATUSES,
        );
    }
}