import { describe, expect, it } from 'vitest';
import { AES_GCM_KEY_BYTE_LENGTH } from '@/consts/crypto/aesGcmKeyByteLength';
import { generateDek } from '@/utils/crypto/generateDek';

describe('generateDek', () => {
    it('returns a 32-byte raw AES-256 key', () => {
        const dek = generateDek();

        expect(dek).toBeInstanceOf(Uint8Array);
        expect(dek.byteLength).toBe(AES_GCM_KEY_BYTE_LENGTH);
    });

    it('generates distinct DEKs across calls', () => {
        const dekA = generateDek();
        const dekB = generateDek();

        expect(dekA).not.toEqual(dekB);
    });
});