wehub-resource-sync
43 lines
1.7 KiB
TypeScript
43 lines
1.7 KiB
TypeScript
import { test } from 'node:test';
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import assert from 'node:assert/strict';
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import { decodeUploadFilename } from '../dist/studio-server.js';
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// Regression coverage for issue #9 (CJK attachment filename mojibake).
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// The multipart body is read as a latin1 string, so a UTF-8 filename in the
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// plain `filename="..."` form arrives with each byte as a latin1 char; we
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// round-trip latin1->utf8 to restore it.
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// Simulate what the latin1-read header carries for a UTF-8 filename: take the
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// real name, encode to UTF-8 bytes, reinterpret those bytes as latin1 chars.
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function asLatin1(realUtf8Name: string): string {
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return Buffer.from(realUtf8Name, 'utf8').toString('latin1');
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}
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test('plain filename: CJK name restored from latin1 bytes', () => {
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const real = '扑克流程简写语言小白教程.md';
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assert.equal(decodeUploadFilename(undefined, asLatin1(real)), real);
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});
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test('plain filename: mixed CJK + digits + ext', () => {
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const real = '局部截取_20260604_223241.png';
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assert.equal(decodeUploadFilename(undefined, asLatin1(real)), real);
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});
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test('plain ASCII filename is unchanged (round-trip is a no-op)', () => {
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assert.equal(decodeUploadFilename(undefined, 'report.csv'), 'report.csv');
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});
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test('RFC 5987 filename* wins and is percent-decoded', () => {
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const star = "UTF-8''" + encodeURIComponent('中文文件.md');
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assert.equal(decodeUploadFilename(star, 'fallback.md'), '中文文件.md');
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});
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test('RFC 5987 with language tag prefix', () => {
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const star = "UTF-8'zh-CN'" + encodeURIComponent('数据.json');
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assert.equal(decodeUploadFilename(star, undefined), '数据.json');
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});
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test('neither form present yields a safe default', () => {
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assert.equal(decodeUploadFilename(undefined, undefined), 'upload');
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});
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