Added pubspec update, changelog update, and added test to dir

Author: jalen-videotape

packages/camera/camera_web/CHANGELOG.md

@@ -1,3 +1,8 @@
+## 0.3.5+3
+
+* Fixes camera initialization failure on Safari by fixing a null check operator error using
+  a nullable getter and null safe practices.
+
 ## 0.3.5+2
 
 * Fixes camera initialization failure on Firefox Android by using `{video: true}` instead

packages/camera/camera_web/example/integration_test/camera_service_test.dart

@@ -708,6 +708,29 @@ void main() {
 
           expect(facingMode, isNull);
         });
+
+        testWidgets('returns null '
+            'when the facing mode setting is empty and '
+            'the facingMode capability is null', (WidgetTester tester) async {
+          mockVideoTrack.getSettings = () {
+            return web.MediaTrackSettings(facingMode: '');
+          }.toJS;
+          mockVideoTrack.getCapabilities = () {
+            // Use the fake class that has no facingMode property
+            return createJSInteropWrapper(FakeMediaTrackCapabilities())
+                as web.MediaTrackCapabilities;
+          }.toJS;
+
+          when(
+            jsUtil.hasProperty(videoTrack, 'getCapabilities'.toJS),
+          ).thenReturn(true);
+
+          final String? facingMode = cameraService.getFacingModeForVideoTrack(
+            videoTrack,
+          );
+
+          expect(facingMode, isNull);
+        });
       });
     });
 

packages/camera/camera_web/example/integration_test/helpers/mocks.dart

@@ -11,6 +11,7 @@ import 'dart:ui';
 // ignore_for_file: implementation_imports
 import 'package:camera_web/src/camera.dart';
 import 'package:camera_web/src/camera_service.dart';
+import 'package:camera_web/src/pkg_web_tweaks.dart';
 import 'package:camera_web/src/shims/dart_js_util.dart';
 import 'package:camera_web/src/types/types.dart';
 import 'package:mockito/annotations.dart';
@@ -284,3 +285,14 @@ class MockEventStreamProvider<T extends web.Event> extends Mock
         as ElementStream<T>;
   }
 }
+
+/// A fake [web.MediaTrackCapabilities] where facingMode is null/undefined.
+///
+/// Used to test null-safe handling when the browser doesn't provide
+/// the facingMode capability.
+@JSExport()
+class FakeMediaTrackCapabilities {
+
+  // Dummy property required by @JSExport
+  bool get dummy => true;
+}

packages/camera/camera_web/pubspec.yaml

@@ -2,7 +2,7 @@ name: camera_web
 description: A Flutter plugin for getting information about and controlling the camera on Web.
 repository: https://github.com/flutter/packages/tree/main/packages/camera/camera_web
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+camera%22
-version: 0.3.5+2
+version: 0.3.5+3
 
 environment:
   sdk: ^3.8.0