test(OUT-3953): assert invoice.deleted creates the missing xero invoice then deletes

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Author: SandipBajracharya

test/integration/webhook/invoiceDeleted/missingXeroInvoice.test.ts

@@ -0,0 +1,56 @@
+import { buildDeletedInvoiceWebhook } from '@test/fixtures/deletedInvoice.webhook'
+import { buildInvoiceCreatedWebhook } from '@test/fixtures/invoiceCreated.webhook'
+import { TEST_INVOICE, TEST_XERO_INVOICE } from '@test/helpers/constants'
+import { enableDeleteSyncForTest } from '@test/helpers/deleteSyncFlag'
+import { createMockCopilotAPI } from '@test/helpers/mocks'
+import { seedConnectedPortal, seedSyncedInvoice } from '@test/helpers/seed'
+import { postWebhook } from '@test/helpers/webhook'
+import { setupWebhookTest } from '@test/helpers/webhookTestSetup'
+import { and, eq } from 'drizzle-orm'
+import { describe, expect, it, vi } from 'vitest'
+import db from '@/db'
+import { syncedInvoices } from '@/db/schema/syncedInvoices.schema'
+import { SyncEventType, SyncStatus, syncLogs } from '@/db/schema/syncLogs.schema'
+
+describe('POST /api/webhook — invoice.deleted missing Xero invoice', () => {
+  // No xeroInvoiceId, so the service re-fetches the Copilot invoice and creates
+  // it in Xero before voiding and deleting.
+  const apis = setupWebhookTest(() => ({
+    copilot: createMockCopilotAPI({
+      getInvoice: vi.fn().mockResolvedValue(buildInvoiceCreatedWebhook().data),
+    }),
+  }))
+  enableDeleteSyncForTest()
+
+  it('creates the missing Xero invoice, voids it, then deletes it', async () => {
+    await seedConnectedPortal()
+    await seedSyncedInvoice({ status: 'pending', xeroInvoiceId: null })
+
+    const res = await postWebhook(buildDeletedInvoiceWebhook())
+    expect(res.status).toBe(200)
+
+    // Missing invoice is created, then voided, then deleted.
+    expect(apis.copilot.getInvoice).toHaveBeenCalledTimes(1)
+    expect(apis.xero.createInvoice).toHaveBeenCalledTimes(1)
+    expect(apis.xero.voidInvoice).toHaveBeenCalledTimes(1)
+    expect(apis.xero.deleteInvoice).toHaveBeenCalledTimes(1)
+
+    // Invoice row now mapped to Xero and marked success.
+    const invoices = await db.select().from(syncedInvoices)
+    expect(invoices).toHaveLength(1)
+    expect(invoices[0]).toMatchObject({
+      copilotInvoiceId: TEST_INVOICE.id,
+      xeroInvoiceId: TEST_XERO_INVOICE.id,
+      status: 'success',
+    })
+
+    // A deleted success log written.
+    const deletedLogs = await db
+      .select()
+      .from(syncLogs)
+      .where(
+        and(eq(syncLogs.eventType, SyncEventType.DELETED), eq(syncLogs.status, SyncStatus.SUCCESS)),
+      )
+    expect(deletedLogs).toHaveLength(1)
+  })
+})