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tests/unit/assets/location-backed-generation.test.ts

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+import { describe, expect, it } from 'vitest'
+import { canGenerateLocationBackedAsset, resolveLocationBackedGenerateType } from '@/app/[locale]/workspace/[projectId]/modes/novel-promotion/components/assets/location-backed-asset'
+
+describe('location-backed asset generation rules', () => {
+  it('requires props to have a visual description before generation', () => {
+    expect(canGenerateLocationBackedAsset({
+      id: 'prop-1',
+      name: '金箍棒',
+      summary: '一根两头包裹金片的黑铁长棍',
+      images: [],
+    }, 'prop')).toBe(false)
+  })
+
+  it('allows locations to generate from seeded image descriptions', () => {
+    expect(canGenerateLocationBackedAsset({
+      id: 'location-1',
+      name: '雨夜街道',
+      summary: null,
+      images: [
+        {
+          id: 'image-1',
+          imageIndex: 0,
+          description: '潮湿反光的老街',
+          imageUrl: null,
+          previousImageUrl: null,
+          previousDescription: null,
+          isSelected: false,
+        },
+      ],
+    }, 'location')).toBe(true)
+  })
+
+  it('routes prop generation through the prop branch', () => {
+    expect(resolveLocationBackedGenerateType('prop')).toBe('prop')
+    expect(resolveLocationBackedGenerateType('location')).toBe('location')
+  })
+})