feat: Return default native window handle in native context (#2491)

lib/commands/context.js

@@ -9,6 +9,7 @@ const WEBVIEW_WIN = 'WEBVIEW';
 const WEBVIEW_BASE = `${WEBVIEW_WIN}_`;
 const DEFAULT_REMOTE_DEBUGGER_CONNECT_TIMEOUT_MS = 5000;
 const DEFAULT_LIST_WEB_FRAMES_RETRIES = 20;
+const DEFAULT_NATIVE_WINDOW_HANDLE = '1';
 
 
 const extensions = {
@@ -612,6 +613,10 @@ const commands = {
    * @returns {Promise<void>}
    */
   async setWindow(name, skipReadyCheck) {
+    if (!this.isWebContext()) {
+      // https://github.com/appium/appium/issues/20710
+      return;
+    }
     try {
       await this.setContext(name, _.noop, skipReadyCheck);
     } catch (err) {
@@ -626,7 +631,8 @@ const commands = {
   // eslint-disable-next-line require-await
   async getWindowHandle() {
     if (!this.isWebContext()) {
-      throw new errors.NotImplementedError();
+      // https://github.com/appium/appium/issues/20710
+      return DEFAULT_NATIVE_WINDOW_HANDLE;
     }
     if (!this.curContext) {
       throw new errors.InvalidContextError();
@@ -640,7 +646,8 @@ const commands = {
    */
   async getWindowHandles() {
     if (!this.isWebContext()) {
-      throw new errors.NotImplementedError();
+      // https://github.com/appium/appium/issues/20710
+      return [DEFAULT_NATIVE_WINDOW_HANDLE];
     }
     this.log.debug('Getting list of available window handles');
     const contexts = await this.getContextsAndViews(false);