【m】修改为服务器录屏

test/recording-session-manager.test.ts

@@ -0,0 +1,46 @@
+import {
+  getRecordingSession,
+  listRecordingSessions,
+  resetRecordingSessions,
+  startRecordingSession,
+  stopRecordingSession
+} from '../src/recording/session-manager';
+
+describe('recording session manager', () => {
+  beforeEach(() => {
+    resetRecordingSessions();
+  });
+
+  test('starts and lists a recording session', () => {
+    const session = startRecordingSession({
+      connectionId: 'room-1',
+      layout: 'speaker',
+      format: 'mp4'
+    });
+
+    expect(session).toEqual(expect.objectContaining({
+      connectionId: 'room-1',
+      status: 'recording',
+      layout: 'speaker',
+      format: 'mp4'
+    }));
+    expect(getRecordingSession(session.id)).toEqual(session);
+    expect(listRecordingSessions('room-1')).toEqual([session]);
+  });
+
+  test('stops an existing recording session', () => {
+    const session = startRecordingSession({ connectionId: 'room-1' });
+    const stopped = stopRecordingSession(session.id);
+
+    expect(stopped).toEqual(expect.objectContaining({
+      id: session.id,
+      connectionId: 'room-1',
+      status: 'stopped'
+    }));
+    expect(stopped?.stoppedAt).toEqual(expect.any(String));
+  });
+
+  test('rejects missing connection id', () => {
+    expect(() => startRecordingSession({ connectionId: '' })).toThrow('connectionId is required');
+  });
+});