fix: Regression on default mutestate for voicecall + end-2-end tests

src/state/initialMuteState.test.ts

@@ -0,0 +1,95 @@
+/*
+Copyright 2026 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE in the repository root for full details.
+*/
+
+import { test, expect } from "vitest";
+import { type RTCCallIntent } from "matrix-js-sdk/lib/matrixrtc";
+
+import { calculateInitialMuteState } from "./initialMuteState";
+
+
+test.each<{
+  callIntent: RTCCallIntent;
+  packageType: "full" | "embedded";
+}>([
+  { callIntent: "audio", packageType: "full" },
+  { callIntent: "audio", packageType: "embedded" },
+  { callIntent: "video", packageType: "full" },
+  { callIntent: "video", packageType: "embedded" },
+  { callIntent: "unknown", packageType: "full" },
+  { callIntent: "unknown", packageType: "embedded" },
+])(
+  "Should allow to unmute on start if not skipping lobby (callIntent: $callIntent, packageType: $packageType)",
+  ({ callIntent, packageType }) => {
+    const { audioEnabled, videoEnabled } = calculateInitialMuteState(
+      { skipLobby: false, callIntent },
+      packageType,
+    );
+    expect(audioEnabled).toBe(true);
+    expect(videoEnabled).toBe(callIntent !== "audio");
+  },
+);
+
+test.each<{
+  callIntent: RTCCallIntent;
+}>([
+  { callIntent: "audio" },
+  { callIntent: "video" },
+  { callIntent: "unknown" },
+])(
+  "Should always mute on start if skipping lobby on non embedded build (callIntent: $callIntent)",
+  ({ callIntent }) => {
+    const { audioEnabled, videoEnabled } = calculateInitialMuteState(
+      { skipLobby: true, callIntent },
+      "full",
+    );
+    expect(audioEnabled).toBe(false);
+    expect(videoEnabled).toBe(false);
+  },
+);
+
+test.each<{
+  callIntent: RTCCallIntent;
+}>([
+  { callIntent: "audio" },
+  { callIntent: "video" },
+  { callIntent: "unknown" },
+])(
+  "Can start unmuted if skipping lobby on embedded build (callIntent: $callIntent)",
+  ({ callIntent }) => {
+    const { audioEnabled, videoEnabled } = calculateInitialMuteState(
+      { skipLobby: true, callIntent },
+      "embedded",
+    );
+    expect(audioEnabled).toBe(true);
+    expect(videoEnabled).toBe(callIntent !== "audio");
+  },
+);
+
+
+test.each<{
+  isDevBuild: boolean;
+  currentHost: string;
+  expectedEnabled: boolean;
+}>([
+  { isDevBuild: true, currentHost: "localhost", expectedEnabled: true },
+  { isDevBuild: false, currentHost: "localhost", expectedEnabled: false },
+  { isDevBuild: true, currentHost: "call.example.com", expectedEnabled: false },
+  { isDevBuild: false, currentHost: "call.example.com", expectedEnabled: false },
+])
+("Should trust localhost domain when in dev mode isDevBuild($isDevBuild) host($currentHost)", (
+  {isDevBuild, currentHost, expectedEnabled}
+) => {
+    const { audioEnabled, videoEnabled } = calculateInitialMuteState(
+      { skipLobby: true, callIntent: "video" },
+      "full",
+      currentHost,
+      isDevBuild,
+    );
+
+    expect(audioEnabled).toBe(expectedEnabled);
+    expect(videoEnabled).toBe(expectedEnabled);
+});