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a51c565 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 | import {
DimensionCheckError,
assertImageDimensions,
buildDimensionCheckFailureBody,
isDimensionCheckError,
parseExpectedDimensions,
sanitizeImageResponse
} from '../skills/gpt-image-playground-agent/scripts/lib/dimension-check.mjs';
import assert from 'node:assert/strict';
import { createServer } from 'node:http';
import { test } from 'node:test';
test('assertImageDimensions records dimensions for inline base64 images', async () => {
const response = {
images: [{ id: 'ok', b64_json: pngBase64(320, 240) }]
};
const checked = await assertImageDimensions({
response,
expected: { width: 320, height: 240 },
baseUrl: 'http://127.0.0.1:1',
authHeaders: {}
});
assert.deepEqual(checked.images[0].dimensions, { width: 320, height: 240 });
assert.equal(checked.images[0].b64_json, response.images[0].b64_json);
});
test('assertImageDimensions rejects mismatched dimensions with sanitized response', async () => {
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ id: 'bad', b64_json: pngBase64(512, 512) }] },
expected: { width: 1024, height: 1024 },
baseUrl: 'http://127.0.0.1:1',
authHeaders: {}
}),
(error) => {
assert.equal(error instanceof DimensionCheckError, true);
assert.equal(error.code, 'dimension_check_failed');
assert.deepEqual(error.expectedDimensions, { width: 1024, height: 1024 });
assert.deepEqual(error.actualDimensions, { width: 512, height: 512 });
assert.equal(error.response.images[0].b64_json, undefined);
assert.equal(Object.prototype.hasOwnProperty.call(error.response.images[0], 'b64_json'), false);
assert.equal(error.response.images[0].b64_json_length, pngBase64(512, 512).length);
assert.deepEqual(error.response.images[0].dimensions, { width: 512, height: 512 });
return true;
}
);
});
test('assertImageDimensions rejects missing and empty image lists', async () => {
for (const response of [{}, { images: [] }]) {
await assert.rejects(
() =>
assertImageDimensions({
response,
expected: { width: 1024, height: 1024 },
baseUrl: 'http://127.0.0.1:1',
authHeaders: {}
}),
/响应中没有可验收的图片/
);
}
});
test('assertImageDimensions reads same-origin content URLs with auth headers', async () => {
const requests = [];
await withServer(
(request, response) => {
requests.push({ url: request.url, authorization: request.headers.authorization });
response.writeHead(200, { 'content-type': 'image/png' });
response.end(pngBuffer(640, 360));
},
async (baseUrl) => {
const checked = await assertImageDimensions({
response: { images: [{ id: 'url-image', content_url: '/artifact/url-image.png' }] },
expected: { width: 640, height: 360 },
baseUrl,
authHeaders: () => ({ Authorization: 'Bearer test-token' })
});
assert.deepEqual(checked.images[0].dimensions, { width: 640, height: 360 });
assert.equal(requests[0].url, '/artifact/url-image.png');
assert.equal(requests[0].authorization, 'Bearer test-token');
}
);
});
test('assertImageDimensions rejects path fields unless callers opt in explicitly', async () => {
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ path: '/artifact/from-path.png' }] },
expected: { width: 1, height: 1 },
baseUrl: 'http://127.0.0.1:1',
authHeaders: {}
}),
/dimension-check 需要 b64_json 或 absolute_content_url 或 content_url/
);
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{}] },
expected: { width: 1, height: 1 },
baseUrl: 'http://127.0.0.1:1',
authHeaders: {},
readUrlFields: ['absolute_path', 'path']
}),
/dimension-check 需要 b64_json 或 absolute_path 或 path/
);
});
test('assertImageDimensions converts download failures and cross-origin URLs to dimension failures', async () => {
await withServer(
(_request, response) => {
response.writeHead(404, { 'content-type': 'application/json' });
response.end(JSON.stringify({ error: 'missing' }));
},
async (baseUrl) => {
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ content_url: '/missing.png' }] },
expected: { width: 1, height: 1 },
baseUrl,
authHeaders: {}
}),
/下载产物失败，状态码 404/
);
}
);
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ content_url: 'https://evil.example.test/image.png' }] },
expected: { width: 1, height: 1 },
baseUrl: 'https://space.example.test',
authHeaders: {}
}),
/不同 origin/
);
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ absolute_content_url: 'https://evil.example.test/image.png' }] },
expected: { width: 1, height: 1 },
baseUrl: 'https://space.example.test',
authHeaders: {}
}),
/absolute_content_url 指向不同 origin/
);
});
test('assertImageDimensions times out stalled streamed downloads', async () => {
await withServer(
(_request, response) => {
response.writeHead(200, { 'content-type': 'image/png' });
response.write(pngBuffer(1, 1).subarray(0, 8));
},
async (baseUrl) => {
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ content_url: '/stalled.png' }] },
expected: { width: 1, height: 1 },
baseUrl,
authHeaders: {},
timeoutMs: 25
}),
/下载产物超时，已等待 25ms/
);
}
);
});
test('assertImageDimensions falls back to default URL fields for invalid readUrlFields', async () => {
await withServer(
(_request, response) => {
response.writeHead(200, { 'content-type': 'image/png' });
response.end(pngBuffer(16, 9));
},
async (baseUrl) => {
const checked = await assertImageDimensions({
response: { images: [{ content_url: '/default-field.png' }] },
expected: { width: 16, height: 9 },
baseUrl,
authHeaders: {},
readUrlFields: null
});
assert.deepEqual(checked.images[0].dimensions, { width: 16, height: 9 });
}
);
});
test('assertImageDimensions enforces the max image byte limit', async () => {
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ b64_json: pngBase64(1, 1) }] },
expected: { width: 1, height: 1 },
baseUrl: 'http://127.0.0.1:1',
authHeaders: {},
maxImageBytes: 8
}),
/图片数据超过 8 字节限制/
);
await withServer(
(_request, response) => {
response.writeHead(200, {
'content-type': 'image/png',
'content-length': String(pngBuffer(1, 1).length)
});
response.end(pngBuffer(1, 1));
},
async (baseUrl) => {
await assert.rejects(
() =>
assertImageDimensions({
response: { images: [{ content_url: '/large.png' }] },
expected: { width: 1, height: 1 },
baseUrl,
authHeaders: {},
maxImageBytes: 8
}),
/图片数据超过 8 字节限制/
);
}
);
});
test('dimension-check helpers expose stable structured failure bodies', () => {
const sanitized = sanitizeImageResponse({ images: [{ id: 'secret', b64_json: pngBase64(1, 1) }] });
assert.equal(sanitized.images[0].b64_json, undefined);
assert.equal(Object.prototype.hasOwnProperty.call(sanitized.images[0], 'b64_json'), false);
assert.equal(sanitized.images[0].b64_json_length, pngBase64(1, 1).length);
assert.deepEqual(parseExpectedDimensions('1024x768'), { width: 1024, height: 768 });
assert.equal(parseExpectedDimensions('auto'), undefined);
assert.equal(isDimensionCheckError(new Error('plain')), false);
const error = new DimensionCheckError('bad size', {
expected: { width: 10, height: 10 },
actual: { width: 8, height: 8 },
response: { images: [{ id: 'bad', b64_json: pngBase64(8, 8) }] },
nextStep: 'inspect'
});
const body = buildDimensionCheckFailureBody(error, { transport: 'agent_json' });
assert.equal(body.billable, true);
assert.equal(body.error.code, 'dimension_check_failed');
assert.deepEqual(body.error.expected_dimensions, { width: 10, height: 10 });
assert.deepEqual(body.error.actual_dimensions, { width: 8, height: 8 });
assert.equal(body.validation_failure_kind, 'generated_artifact_failed_dimension_check');
assert.deepEqual(body.routing, { transport: 'agent_json' });
assert.equal(body.response.images[0].b64_json, undefined);
assert.equal(Object.prototype.hasOwnProperty.call(body.response.images[0], 'b64_json'), false);
assert.equal(body.next_step, 'inspect');
const malformed = buildDimensionCheckFailureBody(
new DimensionCheckError('bad metadata', {
expected: { width: 'wide', height: 10 },
actual: { width: 8, height: 0 }
}),
undefined
);
assert.equal(malformed.error.expected_dimensions, null);
assert.equal(malformed.error.actual_dimensions, null);
});
function pngBase64(width, height) {
return pngBuffer(width, height).toString('base64');
}
function pngBuffer(width, height) {
const buffer = Buffer.alloc(24);
buffer[0] = 0x89;
buffer.write('PNG', 1, 'ascii');
buffer[4] = 0x0d;
buffer[5] = 0x0a;
buffer[6] = 0x1a;
buffer[7] = 0x0a;
buffer.writeUInt32BE(13, 8);
buffer.write('IHDR', 12, 'ascii');
buffer.writeUInt32BE(width, 16);
buffer.writeUInt32BE(height, 20);
return buffer;
}
async function withServer(handler, run) {
const server = createServer(handler);
await new Promise((resolve, reject) => {
server.once('error', reject);
server.listen(0, '127.0.0.1', resolve);
});
const address = server.address();
try {
await run(`http://127.0.0.1:${address.port}`);
} finally {
await new Promise((resolve, reject) => {
server.close((error) => (error ? reject(error) : resolve()));
});
}
}
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