41 lines
1.5 KiB
TypeScript
41 lines
1.5 KiB
TypeScript
 
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import { describe, test, expect } from 'vitest';
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import { Heading } from './Heading';
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const toHtml = (Heading as any).toHtml;
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describe('Heading.toHtml level allowlist (adversarial re-review, same class as C1)', () => {
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test('a malicious level value clamps to h2 -- no injected <img>, no broken-out tag', () => {
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const { html } = toHtml({ text: 'x', level: 'h2><img src=x onerror=alert(1)' }, '');
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expect(html).not.toContain('<img');
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expect(html).not.toContain('onerror');
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expect(html.startsWith('<h2')).toBe(true);
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expect(html.endsWith('</h2>')).toBe(true);
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});
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test('a numeric out-of-range level (99) clamps to h2', () => {
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const { html } = toHtml({ text: 'x', level: 99 as any }, '');
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expect(html.startsWith('<h2')).toBe(true);
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expect(html.endsWith('</h2>')).toBe(true);
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});
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test('a non-heading string level clamps to h2', () => {
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const { html } = toHtml({ text: 'x', level: 'script' as any }, '');
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expect(html.startsWith('<h2')).toBe(true);
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expect(html).not.toContain('<script');
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});
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test('a normal valid level (h4) still emits <h4', () => {
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const { html } = toHtml({ text: 'x', level: 'h4' }, '');
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expect(html).toContain('<h4');
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expect(html).toContain('</h4>');
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});
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test('all valid levels h1-h6 still work', () => {
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for (const level of ['h1', 'h2', 'h3', 'h4', 'h5', 'h6']) {
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const { html } = toHtml({ text: 'x', level }, '');
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expect(html.startsWith(`<${level}`)).toBe(true);
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expect(html.endsWith(`</${level}>`)).toBe(true);
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}
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});
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});
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