feat:Strengthen the testing framework

tests/regression/panel-variant-cross-storyboard.test.ts

@@ -0,0 +1,50 @@
+import { beforeEach, describe, expect, it } from 'vitest'
+import { callRoute } from '../integration/api/helpers/call-route'
+import { installAuthMocks, mockAuthenticated, resetAuthMockState } from '../helpers/auth'
+import { resetSystemState } from '../helpers/db-reset'
+import { prisma } from '../helpers/prisma'
+import { seedMinimalDomainState } from '../system/helpers/seed'
+
+describe('regression - panel variant cross storyboard safety', () => {
+  beforeEach(async () => {
+    await resetSystemState()
+    installAuthMocks()
+  })
+
+  it('sourcePanelId from another storyboard -> explicit invalid params and no dirty panel', async () => {
+    const seeded = await seedMinimalDomainState()
+    mockAuthenticated(seeded.user.id)
+
+    const beforeCount = await prisma.novelPromotionPanel.count({
+      where: { storyboardId: seeded.storyboard.id },
+    })
+
+    const mod = await import('@/app/api/novel-promotion/[projectId]/panel-variant/route')
+    const response = await callRoute(
+      mod.POST,
+      'POST',
+      {
+        locale: 'zh',
+        storyboardId: seeded.storyboard.id,
+        insertAfterPanelId: seeded.panel.id,
+        sourcePanelId: seeded.foreignPanel.id,
+        variant: {
+          video_prompt: 'variant prompt',
+          description: 'variant description',
+        },
+      },
+      { params: { projectId: seeded.project.id } },
+    )
+
+    expect(response.status).toBe(400)
+    const json = await response.json() as { error?: { code?: string } }
+    expect(json.error?.code).toBe('INVALID_PARAMS')
+
+    const afterCount = await prisma.novelPromotionPanel.count({
+      where: { storyboardId: seeded.storyboard.id },
+    })
+    expect(afterCount).toBe(beforeCount)
+
+    resetAuthMockState()
+  })
+})