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