feat: add asset import services

src/lib/services/pet-import.test.ts

@@ -0,0 +1,49 @@
+// @vitest-environment node
+import { describe, expect, it, vi } from 'vitest'
+
+vi.mock('@/lib/services/import/core/download', () => ({
+  downloadFile: vi.fn(async () => ({ ok: true, size: 100 })),
+}))
+vi.mock('@/lib/services/pet-source', () => ({
+  CANONICAL_PETS: ['dog', 'cat'],
+  resolvePetSwfUrl: vi.fn(async (lib: string) => `https://x/${lib}.swf`),
+}))
+const convertSwfToNitro = vi.fn(() => ({ bundle: Buffer.from('nitro'), warnings: [] }))
+vi.mock('@/lib/services/swf-to-nitro', () => ({
+  convertSwfToNitro: (...a: unknown[]) =>
+    convertSwfToNitro(...(a as Parameters<typeof convertSwfToNitro>)),
+}))
+vi.mock('node:fs', async (orig) => {
+  const real = (await orig()) as typeof import('node:fs')
+  return {
+    ...real,
+    existsSync: vi.fn(() => false),
+    promises: {
+      ...real.promises,
+      readFile: vi.fn(async () => Buffer.from('CWS')),
+      writeFile: vi.fn(async () => {}),
+      mkdir: vi.fn(async () => {}),
+      unlink: vi.fn(async () => {}),
+    },
+  }
+})
+
+import { importSinglePet } from './pet-import'
+
+describe('pet-import.importSinglePet', () => {
+  it('downloads, converts, writes .nitro', async () => {
+    const r = await importSinglePet({ lib: 'dog' })
+    expect(r.ok).toBe(true)
+    expect(convertSwfToNitro).toHaveBeenCalled()
+  })
+
+  it('fails cleanly when conversion throws', async () => {
+    convertSwfToNitro.mockImplementationOnce(() => {
+      throw new Error('bad swf')
+    })
+    const r = await importSinglePet({ lib: 'cat' })
+    expect(r.ok).toBe(false)
+    expect(r.error).toContain('conversion')
+  })
+})
+