lib/exporter/zip.validation.phase5.test.ts

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+import { describe, it, expect } from 'vitest'
+import JSZip from 'jszip'
+import { exportPage } from '@/lib/exporter/html'
+import { buildZip } from '@/lib/exporter/zip'
+import { buildExtrasForPage } from '@/lib/exporter/extras'
+import { pageSchema, type Page } from '@/lib/schema/page'
+
+function makePage(): Page {
+  return pageSchema.parse({
+    title: 'Phase5',
+    locale: 'en',
+    theme: { primaryColor: '#2563eb', fontFamily: 'Inter' },
+    sections: [],
+    form: { actionUrl: '', fields: [], spamProtection: { honeypotFieldName: '_hp', minSubmitSeconds: 2 } },
+    seo: { title: 't', description: 'd' },
+  })
+}
+
+describe('Export ZIP 검증 강화 5차: extras MIME/내용 검증', () => {
+  it('robots.txt는 텍스트이고, site.webmanifest는 유효한 JSON이다', async () => {
+    const page = makePage()
+    const out = exportPage(page)
+    const extras = buildExtrasForPage(page)
+
+    const zipBytes = await buildZip({ html: out.html, css: out.css, js: out.js, assets: {}, extras })
+    const zip = await JSZip.loadAsync(zipBytes)
+
+    // robots.txt 존재 및 텍스트 확인
+    expect(Object.keys(zip.files)).toContain('robots.txt')
+    const robots = await zip.files['robots.txt'].async('string')
+    expect(robots).toMatch(/User-agent: \*/) // baseline
+
+    // site.webmanifest 존재 및 JSON 파싱 가능
+    expect(Object.keys(zip.files)).toContain('site.webmanifest')
+    const manifestStr = await zip.files['site.webmanifest'].async('string')
+    const parsed = JSON.parse(manifestStr)
+    expect(parsed.start_url).toBe('/')
+    expect(parsed.display).toBe('standalone')
+  })
+})