fix: 补全iOS抖音支付SDK回跳URL

tests/douyin-uts.test.cjs

@@ -14,6 +14,50 @@ const compiled = ts.transpileModule(source, {
 }).outputText;
 const info = { appid: 'app', partnerid: 'merchant', prepayid: 'prepay', package: 'Sign=DYPay',
   noncestr: 'nonce', timestamp: '1780000000', sign: 'signed+value/==' };
+function loadIOS(configure = () => true) {
+  const iosSource = fs.readFileSync(path.join(__dirname, '../uni_modules/tb-douyin-pay/utssdk/app-ios/index.uts'), 'utf8')
+    .replace(/^import .*$/gm, '');
+  const iosJS = ts.transpileModule(iosSource, {
+    compilerOptions: { target: ts.ScriptTarget.ES2020, module: ts.ModuleKind.CommonJS },
+  }).outputText;
+  const registrations = [];
+  const native = { initialize: (...args) => registrations.push(args), processURL: () => false };
+  const ctx = { exports: {}, configure, TbDouyinPayNative: native };
+  vm.runInNewContext(iosJS, ctx);
+  return { ...ctx.exports, registrations, native };
+}
+
+test('actual iOS bridge passes a complete callback URL to the native SDK boundary', () => {
+  for (const scheme of ['trustbridgeapp', ' trustbridgeapp ', 'trustbridgeapp://', 'trustbridgeapp://dypay']) {
+    const bridge = loadIOS();
+    assert.equal(bridge.initDypay({ appId: 'signed-app-id', callbackScheme: scheme }), true);
+    assert.deepEqual(bridge.registrations, [['signed-app-id', 'trustbridgeapp://dypay', '']]);
+  }
+  const bridge = loadIOS();
+  bridge.initDypay({ appId: 'signed-app-id', callbackScheme: 'trustbridgeapp', universalLink: 'https://example.com/pay/' });
+  assert.deepEqual(bridge.registrations, [['signed-app-id', 'trustbridgeapp://dypay', 'https://example.com/pay/']]);
+});
+
+test('iOS rejects malformed return URLs and failed configuration before native registration', () => {
+  for (const scheme of ['', ' ', 'invalid scheme', 'trustbridgeapp://other', 'trustbridgeapp://dypay?unexpected=1']) {
+    const bridge = loadIOS(() => assert.fail('Invalid URL must not change shared configuration'));
+    assert.equal(bridge.initDypay({ appId: 'app', callbackScheme: scheme }), false);
+    assert.equal(bridge.registrations.length, 0);
+  }
+  const bridge = loadIOS(() => false);
+  assert.equal(bridge.initDypay({ appId: 'app', callbackScheme: 'trustbridgeapp' }), false);
+  assert.equal(bridge.registrations.length, 0);
+});
+
+test('iOS return hook forwards the original callback URL and preserves SDK handled result', () => {
+  const bridge = loadIOS();
+  const url = { absoluteString: 'trustbridgeapp://dypay?resultCode=0' };
+  for (const handled of [false, true]) {
+    bridge.native.processURL = received => { assert.equal(received, url); return handled; };
+    assert.equal(new bridge.TbDouyinPayHook().applicationOpenURLOptions(null, url, null), handled);
+  }
+});
+
 function load(stringify = JSON.stringify) {
   const timers = new Map();
   let timerId = 0;