优化电子凭证核销码生成

apps/backend/src/services/platforms/kuaishou-industry/voucher-service.test.ts

@@ -1,30 +1,58 @@
 import test from 'node:test'
 import assert from 'node:assert/strict'
 
+import { generateKuaishouIndustryVoucherCode } from '../../../repositories/kuaishou-industry-voucher-repo.js'
 import { resolveKuaishouIndustryVoucherValidity } from './voucher-service.js'
 
+test('generateKuaishouIndustryVoucherCode creates non-numeric stable voucher code', () => {
+  let requestedSize = 0
+  const code = generateKuaishouIndustryVoucherCode((size) => {
+    requestedSize = size
+    return Buffer.from([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
+  })
+
+  assert.equal(requestedSize, 10)
+  assert.equal(code.length, 19)
+  assert.match(code, /^KSV[0-9ABCDEFGHJKMNPQRSTVWXYZ]{16}$/)
+  assert.doesNotMatch(code, /^\d+$/)
+  assert.doesNotMatch(code, /[ILOU]/)
+})
+
+test('generateKuaishouIndustryVoucherCode changes with random bytes', () => {
+  const first = generateKuaishouIndustryVoucherCode(() => Buffer.alloc(10, 0))
+  const second = generateKuaishouIndustryVoucherCode(() => Buffer.alloc(10, 1))
+
+  assert.notEqual(first, second)
+})
+
 test('resolveKuaishouIndustryVoucherValidity uses certExpDays when explicit times are zero', () => {
   const nowMs = 1783394218325
-  const validity = resolveKuaishouIndustryVoucherValidity({
-    certActualStartTime: 0,
-    certActualEndTime: 0,
-    certStartTime: 0,
-    certEndTime: 0,
-    certExpDays: 3,
-  }, nowMs)
+  const validity = resolveKuaishouIndustryVoucherValidity(
+    {
+      certActualStartTime: 0,
+      certActualEndTime: 0,
+      certStartTime: 0,
+      certEndTime: 0,
+      certExpDays: 3,
+    },
+    nowMs,
+  )
 
   assert.equal(validity.validStartTime, nowMs)
   assert.equal(validity.validEndTime, nowMs + 3 * 86_400_000)
 })
 
 test('resolveKuaishouIndustryVoucherValidity prefers actual certificate time range', () => {
-  const validity = resolveKuaishouIndustryVoucherValidity({
-    certActualStartTime: 1000,
-    certActualEndTime: 5000,
-    certStartTime: 2000,
-    certEndTime: 6000,
-    certExpDays: 3,
-  }, 9000)
+  const validity = resolveKuaishouIndustryVoucherValidity(
+    {
+      certActualStartTime: 1000,
+      certActualEndTime: 5000,
+      certStartTime: 2000,
+      certEndTime: 6000,
+      certExpDays: 3,
+    },
+    9000,
+  )
 
   assert.equal(validity.validStartTime, 1000)
   assert.equal(validity.validEndTime, 5000)