From 84832795c24ed0a3364f9b7585376c8ee473bbff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kasper=20Overg=C3=A5rd=20Nielsen?= <kasper@byolimit.com>
Date: Thu, 27 Oct 2022 09:47:19 +0200
Subject: [PATCH] Backlink tests (wip)

---
 test/backlinks_test.dart   |  54 +++++++++++++++++++
 test/backlinks_test.g.dart | 104 +++++++++++++++++++++++++++++++++++++
 2 files changed, 158 insertions(+)
 create mode 100644 test/backlinks_test.dart
 create mode 100644 test/backlinks_test.g.dart

diff --git a/test/backlinks_test.dart b/test/backlinks_test.dart
new file mode 100644
index 0000000000..b94a334208
--- /dev/null
+++ b/test/backlinks_test.dart
@@ -0,0 +1,54 @@
+////////////////////////////////////////////////////////////////////////////////
+//
+// Copyright 2022 Realm Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+import 'package:realm_common/realm_common.dart';
+import 'package:test/expect.dart';
+
+import '../lib/realm.dart';
+import 'test.dart';
+
+part 'backlinks_test.g.dart';
+
+@RealmModel()
+class _Source {
+  String name = 'source';
+  _Target? target;
+}
+
+@RealmModel()
+class _Target {
+  @Backlink(#target)
+  late Iterable<_Source> backlinks; // computed property, so must go last in generated class!
+
+  String name = 'target';
+}
+
+Future<void> main([List<String>? args]) async {
+  await setupTests(args);
+
+  test('x', () {
+    final config = Configuration.local([Target.schema, Source.schema]);
+    final realm = getRealm(config);
+
+    final target = Target();
+    final source = realm.write(() => realm.add(Source(target: target)));
+
+    expect(source.target, target);
+    expect(target.backlinks, [source]);
+  });
+}
diff --git a/test/backlinks_test.g.dart b/test/backlinks_test.g.dart
new file mode 100644
index 0000000000..49759ab998
--- /dev/null
+++ b/test/backlinks_test.g.dart
@@ -0,0 +1,104 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'backlinks_test.dart';
+
+// **************************************************************************
+// RealmObjectGenerator
+// **************************************************************************
+
+class Source extends _Source with RealmEntity, RealmObjectBase, RealmObject {
+  static var _defaultsSet = false;
+
+  Source({
+    String name = 'source',
+    Target? target,
+  }) {
+    if (!_defaultsSet) {
+      _defaultsSet = RealmObjectBase.setDefaults<Source>({
+        'name': 'source',
+      });
+    }
+    RealmObjectBase.set(this, 'name', name);
+    RealmObjectBase.set(this, 'target', target);
+  }
+
+  Source._();
+
+  @override
+  String get name => RealmObjectBase.get<String>(this, 'name') as String;
+  @override
+  set name(String value) => RealmObjectBase.set(this, 'name', value);
+
+  @override
+  Target? get target => RealmObjectBase.get<Target>(this, 'target') as Target?;
+  @override
+  set target(covariant Target? value) =>
+      RealmObjectBase.set(this, 'target', value);
+
+  @override
+  Stream<RealmObjectChanges<Source>> get changes =>
+      RealmObjectBase.getChanges<Source>(this);
+
+  @override
+  Source freeze() => RealmObjectBase.freezeObject<Source>(this);
+
+  static SchemaObject get schema => _schema ??= _initSchema();
+  static SchemaObject? _schema;
+  static SchemaObject _initSchema() {
+    RealmObjectBase.registerFactory(Source._);
+    return const SchemaObject(ObjectType.realmObject, Source, 'Source', [
+      SchemaProperty('name', RealmPropertyType.string),
+      SchemaProperty('target', RealmPropertyType.object,
+          optional: true, linkTarget: 'Target'),
+    ]);
+  }
+}
+
+class Target extends _Target with RealmEntity, RealmObjectBase, RealmObject {
+  static var _defaultsSet = false;
+
+  Target({
+    String name = 'target',
+  }) {
+    if (!_defaultsSet) {
+      _defaultsSet = RealmObjectBase.setDefaults<Target>({
+        'name': 'target',
+      });
+    }
+    RealmObjectBase.set(this, 'name', name);
+  }
+
+  Target._();
+
+  @override
+  String get name => RealmObjectBase.get<String>(this, 'name') as String;
+  @override
+  set name(String value) => RealmObjectBase.set(this, 'name', value);
+
+  @override
+  RealmResults<Source> get backlinks =>
+      RealmObjectBase.get<Source>(this, 'backlinks') as RealmResults<Source>;
+  @override
+  set backlinks(covariant RealmResults<Source> value) =>
+      throw RealmUnsupportedSetError();
+
+  @override
+  Stream<RealmObjectChanges<Target>> get changes =>
+      RealmObjectBase.getChanges<Target>(this);
+
+  @override
+  Target freeze() => RealmObjectBase.freezeObject<Target>(this);
+
+  static SchemaObject get schema => _schema ??= _initSchema();
+  static SchemaObject? _schema;
+  static SchemaObject _initSchema() {
+    RealmObjectBase.registerFactory(Target._);
+    return const SchemaObject(ObjectType.realmObject, Target, 'Target', [
+      SchemaProperty('name', RealmPropertyType.string),
+      SchemaProperty('backlinks', RealmPropertyType.linkingObjects,
+          linkOriginProperty: 'target',
+          collectionType: RealmCollectionType.list,
+          linkTarget: 'Source'),
+    ]);
+  }
+}