DID-9446: [QA-REACT-NATIVE] React Native wrapper integration

ios/SdkReactNative.mm

@@ -28,6 +28,9 @@
     if (config.languageCode()) {
         dict[@"languageCode"] = config.languageCode();
     }
+    if (config.showLanguageSelector().has_value()) {
+        dict[@"showLanguageSelector"] = @(config.showLanguageSelector().value());
+    }
     if (config.fontFamily()) {
         dict[@"fontFamily"] = config.fontFamily();
     }
@@ -99,7 +102,7 @@
                   resolve:(RCTPromiseResolveBlock)resolve
                    reject:(RCTPromiseRejectBlock)reject
 {
     NSDictionary *configDict = (&config != nullptr) ? [self configDictFrom:config] : nil;
 
     [_bridge startVerificationWithToken:token
                                  config:configDict
@@ -117,9 +120,9 @@
                               resolve:(RCTPromiseResolveBlock)resolve
                                reject:(RCTPromiseRejectBlock)reject
 {
     NSDictionary *configDict = (&config != nullptr) ? [self configDictFrom:config] : nil;
     NSDictionary *contactDict = (&contactDetails != nullptr) ? [self contactDictFrom:contactDetails] : nil;
     NSDictionary *expectedDict = (&expectedDetails != nullptr) ? [self expectedDictFrom:expectedDetails] : nil;
 
     [_bridge startVerificationWithWorkflowWithWorkflowId:workflowId
                                               vendorData:vendorData

src/__tests__/native-config-forwarding.test.ts

@@ -0,0 +1,90 @@
+import { readFileSync } from 'fs';
+import { join } from 'path';
+
+/**
+ * A configuration option the JavaScript layer accepts is only useful when both
+ * native bridges hand it to the native SDK. The bridges parse the config
+ * independently (an Objective-C dictionary on iOS, a ReadableMap on Android),
+ * so a key added to the JS type and one bridge can silently be dropped by the
+ * other. The language selector shipped this way once: JS and Android forwarded
+ * it, while the iOS dictionary never included it and the selector could not be
+ * enabled on iOS at all.
+ *
+ * These tests read the public config type and both parsers and fail when a key
+ * has no counterpart on a platform.
+ */
+
+const repoRoot = join(__dirname, '..', '..');
+
+const read = (relativePath: string) =>
+  readFileSync(join(repoRoot, relativePath), 'utf8');
+
+/** The body of the first braced declaration after `signature`. */
+function bracedBody(source: string, signature: RegExp): string {
+  const start = source.search(signature);
+  expect(start).toBeGreaterThanOrEqual(0);
+
+  const open = source.indexOf('{', start);
+  let depth = 0;
+
+  for (let index = open; index < source.length; index += 1) {
+    if (source[index] === '{') depth += 1;
+    if (source[index] === '}') depth -= 1;
+    if (depth === 0) return source.slice(open, index + 1);
+  }
+
+  throw new Error('Unclosed declaration');
+}
+
+/** Every optional property declared on the public VerificationConfig type. */
+function configKeys(): string[] {
+  const source = read('src/NativeSdkReactNative.ts');
+  const start = source.indexOf('export type VerificationConfig = {');
+  expect(start).toBeGreaterThanOrEqual(0);
+
+  const end = source.indexOf('\n};', start);
+  expect(end).toBeGreaterThan(start);
+
+  return Array.from(
+    source.slice(start, end).matchAll(/^\s{2}(\w+)\?:/gm),
+    (match) => String(match[1])
+  );
+}
+
+const keys = configKeys();
+const iosConfig = bracedBody(
+  read('ios/SdkReactNative.mm'),
+  /- \(NSDictionary \*\)configDictFrom:/
+);
+const androidConfig = bracedBody(
+  read('android/src/main/java/com/sdkreactnative/SdkReactNativeModule.kt'),
+  /private fun parseConfiguration\(/
+);
+
+describe('verification configuration forwarding', () => {
+  it('reads every key both bridges must forward', () => {
+    expect(keys).toEqual(
+      expect.arrayContaining([
+        'languageCode',
+        'showLanguageSelector',
+        'fontFamily',
+        'loggingEnabled',
+        'showCloseButton',
+        'showExitConfirmation',
+        'closeOnComplete',
+        'defaultDocumentCamera',
+        'defaultLivenessCamera',
+        'showDocumentCameraSwitchButton',
+        'showLivenessCameraSwitchButton',
+      ])
+    );
+  });
+
+  it.each(keys)('forwards %s to the native SDK on iOS', (key) => {
+    expect(iosConfig).toContain(`config.${key}()`);
+  });
+
+  it.each(keys)('forwards %s to the native SDK on Android', (key) => {
+    expect(androidConfig).toContain(`"${key}"`);
+  });
+});