[native_assets_builder] Support pub workspaces 3 (#1924)

Author: dcharkes

pkgs/native_assets_builder/lib/src/build_runner/build_runner.dart

@@ -88,10 +88,10 @@ class NativeAssetsBuildRunner {
   ///
   /// This method is invoked by launchers such as dartdev (for `dart run`) and
   /// flutter_tools (for `flutter run` and `flutter build`).
-  Future<bool> hasBuildHooks() async {
+  Future<List<String>> packagesWithBuildHooks() async {
     final planner = await _planner;
     final packagesWithHook = await planner.packagesWithHook(Hook.build);
-    return packagesWithHook.isNotEmpty;
+    return packagesWithHook.map((e) => e.name).toList();
   }
 
   /// This method is invoked by launchers such as dartdev (for `dart run`) and

pkgs/native_assets_builder/test/build_runner/pub_workspace_test.dart

@@ -87,7 +87,7 @@ workspace:
     expect(logs.join('\n'), contains('Skipping build for native_add'));
   });
 
-  test('hasBuildHooks', () async {
+  test('packagesWithBuildHooks', () async {
     const fileSystem = LocalFileSystem();
     final packageUri = tempUri.resolve('no_hook/');
     await makePubWorkspace([
@@ -98,9 +98,9 @@ workspace:
       'native_add',
       'native_subtract',
     ]);
-    for (final (runPackageName, hasBuildHooks) in [
-      ('no_hook', false),
-      ('dart_app', true),
+    for (final (runPackageName, packagesWithBuildHooks) in [
+      ('no_hook', <String>[]),
+      ('dart_app', ['native_add', 'native_subtract']),
     ]) {
       final packageLayoutNoHook = await PackageLayout.fromWorkingDirectory(
         fileSystem,
@@ -113,7 +113,10 @@ workspace:
         fileSystem: fileSystem,
         packageLayout: packageLayoutNoHook,
       );
-      expect(await builderNoHook.hasBuildHooks(), equals(hasBuildHooks));
+      expect(
+        await builderNoHook.packagesWithBuildHooks(),
+        equals(packagesWithBuildHooks),
+      );
     }
   });
 }