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annotate mrjunejune/test/hls_player_test.js @ 249:c5129452493e

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[deploy] Bundle Mercurial with hg-web Co-authored-by: Copilot <[email protected]>
author MrJuneJune <me@mrjunejune.com>
date Tue, 04 Aug 2026 04:16:45 -0700
parents 543df0fe7168
children
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1 const assert = require('node:assert/strict');
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2 const {
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3 chooseVariant,
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4 parseAttributeList,
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5 parseMasterPlaylist,
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6 parseMediaPlaylist,
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7 normalizePlaylistUrl,
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8 localRelativePath,
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9 rewritePlaylistUris,
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10 } = require('../src/tools/hls_player/hls-player.js');
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11
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12 const attributes = parseAttributeList(
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13 'BANDWIDTH=500000,RESOLUTION=640x360,CODECS="avc1.42c01e,mp4a.40.2"',
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14 );
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15 assert.equal(attributes.BANDWIDTH, '500000');
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16 assert.equal(attributes.RESOLUTION, '640x360');
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17 assert.equal(attributes.CODECS, 'avc1.42c01e,mp4a.40.2');
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18
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19 const variants = parseMasterPlaylist(
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20 '#EXTM3U\n#EXT-X-STREAM-INF:BANDWIDTH=100\nlow.m3u8\n#EXT-X-STREAM-INF:BANDWIDTH=200,CODECS="avc1.42c01e"\nhigh.m3u8\n',
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21 'https://example.com/master.m3u8',
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22 );
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23 assert.equal(variants.length, 2);
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24 assert.equal(chooseVariant(variants).url, 'https://example.com/high.m3u8');
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25 assert.equal(
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26 chooseVariant(variants, variant => variant.bandwidth < 200).url,
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27 'https://example.com/low.m3u8',
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28 );
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29 assert.equal(chooseVariant(variants, () => false), null);
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30
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31 const media = parseMediaPlaylist(
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32 '#EXTM3U\n#EXT-X-MAP:URI="init.mp4"\n#EXTINF:1.5,\nseg0.m4s\n#EXTINF:2.0,\nseg1.m4s\n#EXT-X-ENDLIST\n',
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33 'https://example.com/path/stream.m3u8',
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34 );
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35 assert.equal(media.initSegment, 'https://example.com/path/init.mp4');
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36 assert.equal(media.segments.length, 2);
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37 assert.equal(media.segments[1].url, 'https://example.com/path/seg1.m4s');
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38 assert.equal(media.totalDuration, 3.5);
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39 assert.equal(media.endList, true);
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40
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41 assert.equal(
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42 normalizePlaylistUrl('/stream.m3u8', 'https://example.com/tool'),
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43 'https://example.com/stream.m3u8',
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44 );
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45 assert.throws(
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46 () => normalizePlaylistUrl('file:///tmp/stream.m3u8', 'https://example.com'),
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47 /HTTP, HTTPS, or a local file/,
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48 );
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49 assert.equal(
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50 localRelativePath('folder/master.m3u8', 'video/stream.m3u8'),
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51 'folder/video/stream.m3u8',
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52 );
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53 assert.equal(
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54 localRelativePath('folder/video/stream.m3u8', '../init.mp4'),
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55 'folder/init.mp4',
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56 );
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57 assert.equal(
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58 localRelativePath('folder/video/stream.m3u8', '/init.mp4'),
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59 'init.mp4',
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60 );
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61 assert.throws(
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62 () => localRelativePath('master.m3u8', '../outside.m4s'),
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63 /escapes/,
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64 );
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65
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66 assert.throws(
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67 () => parseMediaPlaylist(
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68 '#EXTM3U\n#EXT-X-KEY:METHOD=AES-128,URI="key"\n#EXTINF:1,\nseg.m4s\n',
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69 'https://example.com/stream.m3u8',
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70 ),
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71 /Encrypted HLS/,
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72 );
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73
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74 (async () => {
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75 const rewritten = await rewritePlaylistUris(
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76 '#EXTM3U\n#EXT-X-MEDIA:TYPE=AUDIO,URI="audio.m3u8"\n#EXT-X-MAP:URI="init.mp4"\n#EXT-X-KEY:METHOD=AES-128,URI="key.bin"\n#EXTINF:1,\nseg.m4s\n',
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77 async reference => `blob:${reference}`,
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78 );
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79 assert.match(rewritten, /URI="blob:audio\.m3u8"/);
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80 assert.match(rewritten, /URI="blob:init\.mp4"/);
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81 assert.match(rewritten, /URI="blob:key\.bin"/);
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82 assert.match(rewritten, /blob:seg\.m4s/);
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83 })().catch(error => {
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84 console.error(error);
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85 process.exitCode = 1;
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86 });