Refactor config mocking to shared function

src/room/MuteStates.test.tsx

@@ -11,14 +11,13 @@ import { beforeEach } from "vitest";
 import { render, screen } from "@testing-library/react";
 import { MemoryRouter } from "react-router-dom";
 
-import { Config } from "../config/Config";
-import { DEFAULT_CONFIG } from "../config/ConfigOptions";
 import { useMuteStates } from "./MuteStates";
 import {
   MediaDevice,
   MediaDevices,
   MediaDevicesContext,
 } from "../livekit/MediaDevicesContext";
+import { mockConfig } from "../utils/test";
 
 function TestComponent(): ReactNode {
   const muteStates = useMuteStates();
@@ -106,9 +105,7 @@ describe("useMuteStates", () => {
   });
 
   it("disabled when no input devices", () => {
-    vi.spyOn(Config, "get").mockReturnValue({
-      ...DEFAULT_CONFIG,
-    });
+    mockConfig();
 
     render(
       <MemoryRouter>
@@ -127,9 +124,7 @@ describe("useMuteStates", () => {
   });
 
   it("should be enabled by default", () => {
-    vi.spyOn(Config, "get").mockReturnValue({
-      ...DEFAULT_CONFIG,
-    });
+    mockConfig();
 
     render(
       <MemoryRouter>
@@ -143,8 +138,7 @@ describe("useMuteStates", () => {
   });
 
   it("uses defaults from config", () => {
-    vi.spyOn(Config, "get").mockReturnValue({
-      ...DEFAULT_CONFIG,
+    mockConfig({
       media_devices: {
         enable_audio: false,
         enable_video: false,
@@ -163,9 +157,7 @@ describe("useMuteStates", () => {
   });
 
   it("skipLobby mutes inputs", () => {
-    vi.spyOn(Config, "get").mockReturnValue({
-      ...DEFAULT_CONFIG,
-    });
+    mockConfig();
 
     render(
       <MemoryRouter initialEntries={["/room/?skipLobby=true"]}>

src/rtcSessionHelper.test.ts

@@ -9,8 +9,7 @@ import { MatrixRTCSession } from "matrix-js-sdk/src/matrixrtc/MatrixRTCSession";
 import { expect, test, vi } from "vitest";
 
 import { enterRTCSession } from "../src/rtcSessionHelpers";
-import { Config } from "../src/config/Config";
-import { DEFAULT_CONFIG } from "./config/ConfigOptions";
+import { mockConfig } from "./utils/test";
 
 test("It joins the correct Session", async () => {
   const focusFromOlderMembership = {
@@ -34,8 +33,7 @@ test("It joins the correct Session", async () => {
     ],
   };
 
-  vi.spyOn(Config, "get").mockReturnValue({
-    ...DEFAULT_CONFIG,
+  mockConfig({
     livekit: { livekit_service_url: "http://my-default-service-url.com" },
   });
   const mockedSession = vi.mocked({

src/utils/test.ts

@@ -21,6 +21,8 @@ import {
   RemoteUserMediaViewModel,
 } from "../state/MediaViewModel";
 import { E2eeType } from "../e2ee/e2eeType";
+import { DEFAULT_CONFIG, ResolvedConfigOptions } from "../config/ConfigOptions";
+import { Config } from "../config/Config";
 
 export function withFakeTimers(continuation: () => void): void {
   vi.useFakeTimers();
@@ -197,3 +199,10 @@ export async function withRemoteMedia(
     vm.destroy();
   }
 }
+
+export function mockConfig(config: Partial<ResolvedConfigOptions> = {}): void {
+  vi.spyOn(Config, "get").mockReturnValue({
+    ...DEFAULT_CONFIG,
+    ...config,
+  });
+}