Дмитрий
38 lines
1.2 KiB
PHP
38 lines
1.2 KiB
PHP
<?php
|
|
|
|
declare(strict_types=1);
|
|
|
|
use App\Services\LeadDistributor;
|
|
use Illuminate\Support\Collection;
|
|
use Random\Engine\Mt19937;
|
|
use Random\Randomizer;
|
|
|
|
function projects(int $n): Collection
|
|
{
|
|
return collect(range(1, $n))->map(fn (int $i) => (object) ['id' => $i]);
|
|
}
|
|
|
|
it('returns all when eligible count <= cap (3)', function (): void {
|
|
$d = new LeadDistributor;
|
|
expect($d->selectRecipients(projects(2)))->toHaveCount(2)
|
|
->and($d->selectRecipients(projects(3)))->toHaveCount(3);
|
|
});
|
|
|
|
it('caps at 3 when more eligible', function (): void {
|
|
$d = new LeadDistributor;
|
|
expect($d->selectRecipients(projects(7)))->toHaveCount(3);
|
|
});
|
|
|
|
it('selection is a subset of eligible and deterministic under seeded RNG', function (): void {
|
|
$eligible = projects(7);
|
|
$d = new LeadDistributor(new Randomizer(new Mt19937(42)));
|
|
$picked = $d->selectRecipients($eligible)->pluck('id')->all();
|
|
|
|
expect($picked)->toHaveCount(3)
|
|
->and(collect($picked)->every(fn ($id) => $id >= 1 && $id <= 7))->toBeTrue();
|
|
|
|
// тот же seed → тот же выбор
|
|
$d2 = new LeadDistributor(new Randomizer(new Mt19937(42)));
|
|
expect($d2->selectRecipients($eligible)->pluck('id')->all())->toBe($picked);
|
|
});
|