test for mute all audio

src/state/MuteAllAudioModel.test.ts

@@ -0,0 +1,46 @@
+/*
+Copyright 2025 New Vector Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { combineLatest, map, startWith } from "rxjs";
+import { test, vi } from "vitest";
+import { expect } from "vitest";
+
+import { setOutputEnabled$ } from "../controls";
+import { muteAllAudio as muteAllAudioSetting } from "../settings/settings";
+
+/**
+ * This can transition into sth more complete: `GroupCallViewModel.ts`
+ */
+export const muteAllAudio$ = combineLatest([
+  setOutputEnabled$,
+  muteAllAudioSetting.value$,
+]).pipe(
+  startWith([true, muteAllAudioSetting.getValue()]),
+  map(([outputEndabled, settingsMute]) => !outputEndabled || settingsMute),
+);
+test("muteAllAudio$", () => {
+  const valueMock = vi.fn();
+  const muteAllAudio = muteAllAudio$.subscribe((value) => {
+    valueMock(value);
+  });
+
+  setOutputEnabled$.next(false);
+  setOutputEnabled$.next(true);
+  muteAllAudioSetting.setValue(false);
+  muteAllAudioSetting.setValue(true);
+  setOutputEnabled$.next(false);
+
+  muteAllAudio.unsubscribe();
+
+  expect(valueMock).toHaveBeenCalledTimes(6);
+  expect(valueMock).toHaveBeenNthCalledWith(1, false); // startWith([false, muteAllAudioSetting.getValue()]);
+  expect(valueMock).toHaveBeenNthCalledWith(2, true); // setOutputEnabled$.next(false);
+  expect(valueMock).toHaveBeenNthCalledWith(3, false); // setOutputEnabled$.next(true);
+  expect(valueMock).toHaveBeenNthCalledWith(4, false); // muteAllAudioSetting.setValue(false);
+  expect(valueMock).toHaveBeenNthCalledWith(5, true); // muteAllAudioSetting.setValue(true);
+  expect(valueMock).toHaveBeenNthCalledWith(6, true); // setOutputEnabled$.next(false);
+});