File size: 3,425 Bytes
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* test/unit-openai-image-file.mjs
*
* 单元测试：image_file 输入应显式报错，而不是静默降级
* 运行方式：node test/unit-openai-image-file.mjs
*/
let passed = 0;
let failed = 0;
function test(name, fn) {
try {
fn();
console.log(` ✅ ${name}`);
passed++;
} catch (e) {
console.error(` ❌ ${name}`);
console.error(` ${e.message}`);
failed++;
}
}
function assert(condition, msg) {
if (!condition) throw new Error(msg || 'Assertion failed');
}
class OpenAIRequestError extends Error {
constructor(message, status = 400, type = 'invalid_request_error', code = 'invalid_request') {
super(message);
this.name = 'OpenAIRequestError';
this.status = status;
this.type = type;
this.code = code;
}
}
function unsupportedImageFileError(fileId) {
const suffix = fileId ? ` (file_id: ${fileId})` : '';
return new OpenAIRequestError(
`Unsupported content part: image_file${suffix}. This proxy does not support OpenAI Files API image references. Please send the image as image_url, input_image, data URI, or a local file path instead.`,
400,
'invalid_request_error',
'unsupported_content_part'
);
}
function extractOpenAIContentBlocks(msg) {
if (msg.content === null || msg.content === undefined) return '';
if (typeof msg.content === 'string') return msg.content;
if (Array.isArray(msg.content)) {
const blocks = [];
for (const p of msg.content) {
if (p.type === 'text' || p.type === 'input_text') {
if (p.text) blocks.push({ type: 'text', text: p.text });
} else if (p.type === 'image_file' && p.image_file) {
throw unsupportedImageFileError(p.image_file.file_id);
}
}
return blocks.length > 0 ? blocks : '';
}
return String(msg.content);
}
console.log('\n📦 [1] image_file 显式报错\n');
test('image_file 应抛出 OpenAIRequestError', () => {
let thrown;
try {
extractOpenAIContentBlocks({
role: 'user',
content: [
{ type: 'input_text', text: '请描述图片' },
{ type: 'image_file', image_file: { file_id: 'file_123' } },
],
});
} catch (e) {
thrown = e;
}
assert(thrown instanceof OpenAIRequestError, 'should throw OpenAIRequestError');
assert(thrown.message.includes('image_file'), 'message should mention image_file');
assert(thrown.message.includes('file_123'), 'message should include file_id');
assert(thrown.status === 400, 'status should be 400');
assert(thrown.type === 'invalid_request_error', 'type should be invalid_request_error');
assert(thrown.code === 'unsupported_content_part', 'code should be unsupported_content_part');
});
test('普通文本块仍可正常通过', () => {
const blocks = extractOpenAIContentBlocks({
role: 'user',
content: [{ type: 'input_text', text: 'hello' }],
});
assert(Array.isArray(blocks), 'blocks should be array');
assert(blocks[0].text === 'hello', 'text block should remain intact');
});
console.log('\n' + '═'.repeat(55));
console.log(` 结果: ${passed} 通过 / ${failed} 失败 / ${passed + failed} 总计`);
console.log('═'.repeat(55) + '\n');
if (failed > 0) process.exit(1);
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