Adding test verifing synced Realms opened as local (realm#4624)

integration-tests/tests/src/tests/index.ts

@@ -32,3 +32,4 @@ import "./credentials/anonymous";
 import "./sync/mixed";
 import "./sync/flexible";
 import "./sync/asymmetric";
+import "./sync/sync-as-local";

integration-tests/tests/src/tests/sync/sync-as-local.ts

@@ -0,0 +1,60 @@
+////////////////////////////////////////////////////////////////////////////
+//
+// 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:https://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 { expect } from "chai";
+import Realm from "realm";
+
+import { PersonSchema, IPerson } from "../../schemas/person-and-dog-with-object-ids";
+import { authenticateUserBefore, importAppBefore, openRealmBefore } from "../../hooks";
+
+describe.skipIf(environment.missingServer, "Synced Realm as local", () => {
+ importAppBefore("with-db-flx");
+ authenticateUserBefore();
+ openRealmBefore({
+ schema: [PersonSchema],
+ sync: {
+ flexible: true,
+ },
+ });
+
+ before(async function (this: RealmContext) {
+ // Add a subscription
+ await this.realm.subscriptions.update((subs) => {
+ subs.add(this.realm.objects("Person"));
+ });
+ // Add a few objects
+ this.realm.write(() => {
+ this.realm.create("Person", {
+ _id: new Realm.BSON.ObjectId(),
+ age: 23,
+ name: "Alice",
+ });
+ });
+ });
+
+ it("opens when `sync: true`", function (this: RealmContext) {
+ // Close the synced Realm
+ const realmPath = this.realm.path;
+ this.realm.close();
+ // Re-open as local Realm
+ // @ts-expect-error Using sync: true is an undocumented API
+ this.realm = new Realm({ path: realmPath, sync: true });
+ expect(this.realm.schema[0].name).equals("Person");
+ expect(this.realm.objects<IPerson>("Person")[0].name).equals("Alice");
+ });
+});