import { describe, expect, it } from 'vitest';
import { computeDedupFingerprint } from '../helpers/email-ingestion-dedup.helper.js';
const TENANT_A = 'tenant-uuid-a';
const TENANT_B = 'tenant-uuid-b';
describe('computeDedupFingerprint', () => {
    it('returns a 64-char hex SHA-256 digest', () => {
        const fp = computeDedupFingerprint(TENANT_A, 'sha256-msg-hash');
        expect(fp).toMatch(/^[0-9a-f]{64}$/);
    });
    it('is deterministic for the same tenant + hash', () => {
        expect(computeDedupFingerprint(TENANT_A, 'hash')).toBe(computeDedupFingerprint(TENANT_A, 'hash'));
    });
    it('is tenant-scoped — same hash for different tenants yields different fingerprints', () => {
        expect(computeDedupFingerprint(TENANT_A, 'hash')).not.toBe(computeDedupFingerprint(TENANT_B, 'hash'));
    });
    it('differs when the message hash differs for the same tenant', () => {
        expect(computeDedupFingerprint(TENANT_A, 'hash-1')).not.toBe(computeDedupFingerprint(TENANT_A, 'hash-2'));
    });
});
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