Include name of navigator lock on abort

Author: simolus3

packages/sqlite_async/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.14.3 (unreleased)
+
+- Include identifier of mutexes when a navigator lock attempt is aborted.
+
 ## 0.14.2
 
 - Support versions `0.8.x` of `package:sqlite3_web`.

packages/sqlite_async/lib/src/web/web_mutex.dart

@@ -72,7 +72,8 @@ class WebMutexImpl implements Mutex {
     if (abortTrigger != null) {
       abortTrigger.whenComplete(() {
         if (!gotLock.isCompleted) {
-          gotLock.completeError(AbortException('getWebLock'));
+          gotLock
+              .completeError(AbortException('getWebLock($resolvedIdentifier)'));
           controller.abort('aborted in Dart'.toJS);
         }
       });

packages/sqlite_async/test/web/web_mutex_test.dart

@@ -1,8 +1,12 @@
 @TestOn('browser')
 library;
 
+import 'dart:async';
+
+import 'package:sqlite_async/sqlite_async.dart';
 import 'package:sqlite_async/src/web/web_mutex.dart';
 import 'package:test/test.dart';
+import 'package:web/web.dart';
 
 import '../utils/test_utils_impl.dart';
 
@@ -28,5 +32,30 @@ void main() {
       // It should be correctly ordered as if it was the same mutex
       expect(results, equals([1, 2]));
     });
+
+    test('can abort acquiring navigator locks', () async {
+      final lockName = window.crypto.randomUUID();
+      final m1 = WebMutexImpl(identifier: lockName);
+      final m2 = WebMutexImpl(identifier: lockName);
+
+      final hasM1 = Completer();
+      final releaseM1 = Completer();
+      m1.lock(() {
+        hasM1.complete();
+        return releaseM1.future;
+      });
+
+      await hasM1.future;
+      expect(
+        m2.lock(
+          expectAsync0(() async {}, count: 0),
+          abortTrigger: Future.delayed(Duration.zero),
+        ),
+        throwsA(
+          isA<AbortException>()
+              .having((e) => e.toString(), 'toString()', contains(lockName)),
+        ),
+      );
+    });
   });
 }