Merge matrix-react-sdk into element-web

Merge remote-tracking branch 'repomerge/t3chguy/repomerge' into t3chguy/repo-merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

test/unit-tests/settings/handlers/DeviceSettingsHandler-test.ts

@@ -0,0 +1,74 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
+Please see LICENSE files in the repository root for full details.
+*/
+
+import { mocked } from "jest-mock";
+import { MatrixClient } from "matrix-js-sdk/src/matrix";
+
+import { MatrixClientPeg } from "../../../../src/MatrixClientPeg";
+import DeviceSettingsHandler from "../../../../src/settings/handlers/DeviceSettingsHandler";
+import { CallbackFn, WatchManager } from "../../../../src/settings/WatchManager";
+import { stubClient } from "../../../test-utils/test-utils";
+
+describe("DeviceSettingsHandler", () => {
+    const ROOM_ID_IS_UNUSED = "";
+
+    const unknownSettingKey = "unknown_setting";
+    const featureKey = "my_feature";
+
+    let watchers: WatchManager;
+    let handler: DeviceSettingsHandler;
+    let settingListener: CallbackFn;
+
+    beforeEach(() => {
+        watchers = new WatchManager();
+        handler = new DeviceSettingsHandler([featureKey], watchers);
+        settingListener = jest.fn();
+    });
+
+    afterEach(() => {
+        watchers.unwatchSetting(settingListener);
+    });
+
+    it("Returns undefined for an unknown setting", () => {
+        expect(handler.getValue(unknownSettingKey, ROOM_ID_IS_UNUSED)).toBeUndefined();
+    });
+
+    it("Returns the value for a disabled feature", () => {
+        handler.setValue(featureKey, ROOM_ID_IS_UNUSED, false);
+        expect(handler.getValue(featureKey, ROOM_ID_IS_UNUSED)).toBe(false);
+    });
+
+    it("Returns the value for an enabled feature", () => {
+        handler.setValue(featureKey, ROOM_ID_IS_UNUSED, true);
+        expect(handler.getValue(featureKey, ROOM_ID_IS_UNUSED)).toBe(true);
+    });
+
+    describe("If I am a guest", () => {
+        let client: MatrixClient;
+
+        beforeEach(() => {
+            client = stubClient();
+            mocked(client.isGuest).mockReturnValue(true);
+        });
+
+        afterEach(() => {
+            MatrixClientPeg.get = () => null;
+            MatrixClientPeg.safeGet = () => new MatrixClient({ baseUrl: "foobar" });
+        });
+
+        it("Returns the value for a disabled feature", () => {
+            handler.setValue(featureKey, ROOM_ID_IS_UNUSED, false);
+            expect(handler.getValue(featureKey, ROOM_ID_IS_UNUSED)).toBe(false);
+        });
+
+        it("Returns the value for an enabled feature", () => {
+            handler.setValue(featureKey, ROOM_ID_IS_UNUSED, true);
+            expect(handler.getValue(featureKey, ROOM_ID_IS_UNUSED)).toBe(true);
+        });
+    });
+});