import { describe, expect, it } from 'vitest';
import { cweDetailUrl } from '../../src/domain/cve-enrichment';

describe('CWE detail URL derivation', () => {
  it('links a CWE-<number> id to its MITRE definition page', () => {
    expect(cweDetailUrl('CWE-119')).toBe('https://cwe.mitre.org/data/definitions/119.html');
    expect(cweDetailUrl('cwe-79')).toBe('https://cwe.mitre.org/data/definitions/79.html');
    expect(cweDetailUrl(' CWE-89 ')).toBe('https://cwe.mitre.org/data/definitions/89.html');
  });

  it('returns null for non-CWE weakness ids', () => {
    expect(cweDetailUrl('NVD-CWE-noinfo')).toBeNull();
    expect(cweDetailUrl('NVD-CWE-Other')).toBeNull();
    expect(cweDetailUrl('CWE-119 extra')).toBeNull();
    expect(cweDetailUrl('')).toBeNull();
  });
});