mirror of
https://github.com/hectorqin/reader.git
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53 lines
3.3 KiB
TypeScript
53 lines
3.3 KiB
TypeScript
import { describe, expect, it, vi } from 'vitest';
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import { playbackFailure, playbackSupport } from '../src/features/media/services/playback-support.ts';
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describe('direct playback support feedback',()=>{
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it.each([['LC','mp4a.40.2'],['HE-AAC','mp4a.40.5'],['HE-AACv2','mp4a.40.29']])('uses the scanned AAC %s profile for MP4 capability checks', (profile,codec)=>{
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const canPlayType=vi.fn(()=> 'probably' as const);
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expect(playbackSupport({canPlayType},'audio/mp4',[{type:'audio',codec:'aac',profile}])).toContain('支持扫描到的音视频编码');
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expect(canPlayType).toHaveBeenCalledWith(`audio/mp4; codecs="${codec}"`);
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});
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it('does not guess unknown AAC profiles or reuse MP4 declarations for raw AAC',()=>{
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const canPlayType=vi.fn(()=> 'probably' as const);
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expect(playbackSupport({canPlayType},'audio/mp4',[{type:'audio',codec:'aac',profile:'unknown'}])).toContain('不足以完整判断');
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expect(playbackSupport({canPlayType},'audio/aac',[{type:'audio',codec:'aac',profile:'LC'}])).toContain('不足以完整判断');
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expect(canPlayType).not.toHaveBeenCalled();
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});
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it('checks codec declarations and identifies unsupported audio even in a supported container',()=>{
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const canPlayType=vi.fn((type:string)=>type.includes('ec-3')?'':'probably');
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expect(playbackSupport({canPlayType},'video/mp4',[
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{type:'video',codec:'h264'},{type:'audio',codec:'eac3'},
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])).toContain('部分音轨编码（eac3）');
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expect(canPlayType).toHaveBeenCalledWith('video/mp4; codecs="ec-3"');
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});
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it('ignores attached cover images and subtitles',()=>{
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const canPlayType=vi.fn(()=> 'probably' as const);
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expect(playbackSupport({canPlayType},'audio/ogg',[
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{type:'audio',codec:'opus'},{type:'video',codec:'mjpeg',attachedPicture:true},{type:'subtitle',codec:'subrip'},
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])).toContain('支持扫描到的音视频编码');
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expect(canPlayType).toHaveBeenCalledTimes(1);
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});
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it('does not invent H264 or AAC profiles from codec names',()=>{
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const canPlayType=vi.fn(()=> 'probably' as const);
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expect(playbackSupport({canPlayType},'video/mp4',[
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{type:'video',codec:'h264'},{type:'audio',codec:'aac'},
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])).toContain('不足以完整判断');
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expect(canPlayType).not.toHaveBeenCalled();
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});
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it('does not promise decoding from container support',()=>{
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expect(playbackSupport({canPlayType:()=> 'probably'},'video/mp4')).toContain('实际解码能力');
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expect(playbackSupport({canPlayType:()=> ''},'video/x-matroska')).toContain('仍可尝试');
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expect(playbackSupport({canPlayType:()=> 'maybe'},'application/octet-stream')).toContain('格式信息不足');
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});
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it('survives a missing or failing capability implementation',()=>{
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expect(playbackSupport({canPlayType:()=>{throw new Error('unavailable');}},'audio/flac')).toContain('将尝试');
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});
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it('distinguishes user activation from unsupported media and network failures',()=>{
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expect(playbackFailure({name:'NotAllowedError'})).toContain('点击继续');
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expect(playbackFailure({name:'NotSupportedError'})).toContain('不提供转码');
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expect(playbackFailure(undefined,{code:2})).toContain('网络');
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expect(playbackFailure(undefined,{code:3})).toContain('解码失败');
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expect(playbackFailure(undefined,{code:4})).toContain('无法直放');
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});
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});
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