WIP: Fixed audio context issues - ReferenceError in useWaveform, enhanced cleanup, improved playback switching

web/tests/audioService.test.ts

@@ -223,4 +223,37 @@ describe('initializeAudioContext', () => {
   });
 });
 
+describe('cleanup', () => {
+  it('should stop playback and clean up properly', () => {
+    // Mock a playing wavesurfer instance
+    const mockWavesurfer = {
+      isPlaying: vi.fn(() => true),
+      pause: vi.fn(),
+      unAll: vi.fn(),
+      destroy: vi.fn()
+    };
+    audioService['wavesurfer'] = mockWavesurfer;
+    
+    audioService['currentPlayingSongId'] = 'song-123';
+    audioService['currentPlayingBandId'] = 'band-456';
+    
+    audioService.cleanup();
+    
+    expect(mockWavesurfer.pause).toHaveBeenCalled();
+    expect(mockWavesurfer.unAll).toHaveBeenCalled();
+    expect(mockWavesurfer.destroy).toHaveBeenCalled();
+    expect(audioService['wavesurfer']).toBeNull();
+    expect(audioService['currentPlayingSongId']).toBeNull();
+    expect(audioService['currentPlayingBandId']).toBeNull();
+  });
+
+  it('should handle cleanup when no wavesurfer instance exists', () => {
+    audioService['wavesurfer'] = null;
+    audioService['currentPlayingSongId'] = 'song-123';
+    
+    expect(() => audioService.cleanup()).not.toThrow();
+    expect(audioService['currentPlayingSongId']).toBeNull();
+  });
+});
+
 });