webAO/__tests__/isAudio.test.ts


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import { isAudio } from '../client/isAudio';

// Test cases
describe('isAudio', () => {
  test('should return true for valid audio file extensions', () => {
    expect(isAudio('song.wav')).toBe(true);
    expect(isAudio('music.mp3')).toBe(true);
    expect(isAudio('track.ogg')).toBe(true);
    expect(isAudio('audio.opus')).toBe(true);
  });

  test('should return false for non-audio file extensions', () => {
    expect(isAudio('image.jpg')).toBe(false);
    expect(isAudio('document.pdf')).toBe(false);
    expect(isAudio('text.txt')).toBe(false);
  });

  test('should handle edge cases', () => {
    expect(isAudio('')).toBe(false); // Empty string
    expect(isAudio(undefined)).toBe(false); // Undefined input
    expect(isAudio(null)).toBe(false); // Null input
    expect(isAudio({})).toBe(false); // Invalid type (object)
  });

  test('should return true for files with multiple valid extensions', () => {
    expect(isAudio('file.wav.mp3')).toBe(true);
    expect(isAudio('track.ogg.opus')).toBe(true);
  });
});