[cloud_functions] Throws CloudFunctionsException in right cases

packages/cloud_functions/cloud_functions/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.1
+
+* Fix for throwing `PlatformException` and `CloudFunctionsException`.
+
 ## 0.5.0
 
 * Fix example app build failure on CI (missing AndroidX Gradle properties).

packages/cloud_functions/cloud_functions/lib/src/https_callable.dart

@@ -27,9 +27,9 @@ class HttpsCallable {
   /// automatically includes a Firebase Instance ID token to identify the app
   /// instance. If a user is logged in with Firebase Auth, an auth ID token for
   /// the user is also automatically included.
-  Future<HttpsCallableResult> call([dynamic parameters]) {
+  Future<HttpsCallableResult> call([dynamic parameters]) async {
     try {
-      return CloudFunctionsPlatform.instance
+      return await CloudFunctionsPlatform.instance
           .callCloudFunction(
             appName: _cloudFunctions._app.name,
             region: _cloudFunctions._region,

packages/cloud_functions/cloud_functions/pubspec.yaml

@@ -1,6 +1,6 @@
 name: cloud_functions
 description: Flutter plugin for Cloud Functions.
-version: 0.5.0
+version: 0.5.1
 homepage: https://github.com/FirebaseExtended/flutterfire/tree/master/packages/cloud_functions/cloud_functions
 
 flutter:

packages/cloud_functions/cloud_functions/test/cloud_functions_test.dart

@@ -84,5 +84,40 @@ void main() {
         ],
       );
     });
+
+    group('exception', () {
+      test('$CloudFunctionsException', () {
+        MethodChannelCloudFunctions.channel
+            .setMockMethodCallHandler((MethodCall methodCall) async {
+          throw PlatformException(
+              code: 'functionsError',
+              message: 'Cloud function failed with exception.',
+              details: {
+                'code': 'INTERNAL',
+                'details': null,
+                'message': 'Error: foo bar...'
+              });
+        });
+
+        expect(() async {
+          await CloudFunctions.instance
+              .getHttpsCallable(functionName: 'function-causes-error')
+              .call();
+        }, throwsA(isA<CloudFunctionsException>()));
+      });
+
+      test('Exception', () {
+        MethodChannelCloudFunctions.channel
+            .setMockMethodCallHandler((MethodCall methodCall) async {
+          throw PlatformException(code: 'something wrong');
+        });
+
+        expect(() async {
+          await CloudFunctions.instance
+              .getHttpsCallable(functionName: 'function-causes-error')
+              .call();
+        }, throwsA(isA<Exception>()));
+      });
+    });
   });
 }