test(fba): preserve verified fleet and fulfillment acceptance workflows

scripts/admin-test-env-modules/orders-session-contract.test.mjs

@@ -0,0 +1,30 @@
+import test from 'node:test'
+import assert from 'node:assert/strict'
+import { run } from './orders.mjs'
+
+async function loginOnly(fixture, options = {}) {
+  const calls = []
+  const context = { context: { merchantQualificationFixture: fixture }, options,
+    request: async (...args) => { calls.push(args); return {} }, apiSuccess: () => null }
+  await assert.rejects(run(context), /Client 登录未返回 accessToken/)
+  return calls
+}
+test('one cached orders module uses each serial run customer, never the first customer', async () => {
+  const first = await loginOnly({ username: 'customer-a', password: 'password-a' })
+  const second = await loginOnly({ username: 'customer-b', password: 'password-b' },
+    { merchantUsername: 'customer-a', merchantPassword: 'password-a' })
+  assert.deepEqual(first[0].slice(0,3), ['POST','/api/auth/login',{ loginId:'customer-a',password:'password-a' }])
+  assert.deepEqual(second[0].slice(0,3), ['POST','/api/auth/login',{ loginId:'customer-b',password:'password-b' }])
+  assert.equal(first.length, 1); assert.equal(second.length, 1)
+})
+test('partial current fixture never combines credentials with configured prior customer', async () => {
+  let requests = 0
+  await assert.rejects(run({ context:{merchantQualificationFixture:{username:'customer-b'}},
+    options:{merchantUsername:'customer-a',merchantPassword:'password-a'},
+    request:async()=>{requests++} }), /缺少完整登录凭据/)
+  assert.equal(requests, 0)
+})
+test('explicit paired options are used when no fixture was created', async () => {
+  const calls = await loginOnly(undefined,{merchantUsername:'configured',merchantPassword:'configured-password'})
+  assert.equal(calls[0][2].loginId,'configured')
+})