Stop broadcasts on logout (#9978)

Co-authored-by: Andy Balaam <andy.balaam@matrix.org>

test/voice-broadcast/utils/cleanUpBroadcasts-test.ts

@@ -0,0 +1,59 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+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 {
+    cleanUpBroadcasts,
+    VoiceBroadcastPlayback,
+    VoiceBroadcastPreRecording,
+    VoiceBroadcastRecording,
+} from "../../../src/voice-broadcast";
+import { stubClient } from "../../test-utils";
+import { TestSdkContext } from "../../TestSdkContext";
+import { mkVoiceBroadcastPlayback, mkVoiceBroadcastPreRecording, mkVoiceBroadcastRecording } from "./test-utils";
+
+describe("cleanUpBroadcasts", () => {
+    let playback: VoiceBroadcastPlayback;
+    let recording: VoiceBroadcastRecording;
+    let preRecording: VoiceBroadcastPreRecording;
+    let stores: TestSdkContext;
+
+    beforeEach(() => {
+        stores = new TestSdkContext();
+        stores.client = stubClient();
+
+        playback = mkVoiceBroadcastPlayback(stores);
+        jest.spyOn(playback, "stop").mockReturnValue();
+        stores.voiceBroadcastPlaybacksStore.setCurrent(playback);
+
+        recording = mkVoiceBroadcastRecording(stores);
+        jest.spyOn(recording, "stop").mockResolvedValue();
+        stores.voiceBroadcastRecordingsStore.setCurrent(recording);
+
+        preRecording = mkVoiceBroadcastPreRecording(stores);
+        jest.spyOn(preRecording, "cancel").mockReturnValue();
+        stores.voiceBroadcastPreRecordingStore.setCurrent(preRecording);
+    });
+
+    it("should stop and clear all broadcast related stuff", async () => {
+        await cleanUpBroadcasts(stores);
+        expect(playback.stop).toHaveBeenCalled();
+        expect(stores.voiceBroadcastPlaybacksStore.getCurrent()).toBeNull();
+        expect(recording.stop).toHaveBeenCalled();
+        expect(stores.voiceBroadcastRecordingsStore.getCurrent()).toBeNull();
+        expect(preRecording.cancel).toHaveBeenCalled();
+        expect(stores.voiceBroadcastPreRecordingStore.getCurrent()).toBeNull();
+    });
+});