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32151b6 e445b51 32151b6 e445b51 32151b6 e445b51 32151b6 e445b51 96bdf6c 32151b6 e445b51 84810e9 e445b51 96bdf6c e445b51 96bdf6c e445b51 32151b6 e445b51 32151b6 e445b51 | 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 | import assert from 'node:assert/strict';
import { mkdtempSync, rmSync, writeFileSync } from 'node:fs';
import { tmpdir } from 'node:os';
import { spawnSync } from 'node:child_process';
import { fileURLToPath } from 'node:url';
import { join } from 'node:path';
import { after, describe, it } from 'node:test';
const repoRoot = fileURLToPath(new URL('..', import.meta.url));
const scriptPath = join(repoRoot, 'scripts/keepalive-hf-space.mjs');
const tempDirectories = [];
after(() => {
for (const directory of tempDirectories) {
rmSync(directory, { recursive: true, force: true, maxRetries: 3 });
}
});
describe('HF Space keepalive script validation', () => {
it('rejects non-integer timeout env values before network access', () => {
const result = runKeepalive({ HF_SPACE_KEEPALIVE_TIMEOUT_MS: '1000abc' });
assert.equal(result.status, 1);
assert.match(result.stderr, /HF_SPACE_KEEPALIVE_TIMEOUT_MS/);
assert.match(result.stderr, /integer/);
assert.equal(result.stdout.trim(), '');
});
it('rejects non-integer retry attempt values before network access', () => {
const result = runKeepalive({ HF_SPACE_KEEPALIVE_MAX_ATTEMPTS: 'two' });
assert.equal(result.status, 1);
assert.match(result.stderr, /HF_SPACE_KEEPALIVE_MAX_ATTEMPTS/);
assert.match(result.stderr, /integer/);
assert.equal(result.stdout.trim(), '');
});
it('rejects a retry cap smaller than the initial retry delay before network access', () => {
const result = runKeepalive({
HF_SPACE_KEEPALIVE_RETRY_DELAY_MS: '10',
HF_SPACE_KEEPALIVE_RETRY_MAX_DELAY_MS: '9'
});
assert.equal(result.status, 1);
assert.match(result.stderr, /HF_SPACE_KEEPALIVE_RETRY_MAX_DELAY_MS/);
assert.match(result.stderr, /greater than or equal to 10/);
assert.equal(result.stdout.trim(), '');
});
it('raises the default retry cap to match a custom initial retry delay', () => {
const preloadPath = writeFetchStub(`
globalThis.setTimeout = (callback) => {
queueMicrotask(callback);
return 0;
};
globalThis.clearTimeout = () => {};
let count = 0;
globalThis.fetch = async () => {
count += 1;
if (count === 1) {
return new Response(JSON.stringify({ error: 'warming' }), {
status: 503,
headers: { 'Content-Type': 'application/json' }
});
}
return new Response(JSON.stringify({ passwordRequired: true }), {
status: 200,
headers: { 'Content-Type': 'application/json' }
});
};
`);
const result = runKeepalive(
{
HF_SPACE_KEEPALIVE_MAX_ATTEMPTS: '2',
HF_SPACE_KEEPALIVE_RETRY_DELAY_MS: '40000',
HF_SPACE_KEEPALIVE_TIMEOUT_MS: '1000'
},
['--import', preloadPath]
);
assert.equal(result.status, 0);
assert.match(result.stderr, /"nextRetryDelayMs": 40000/);
assert.match(result.stdout, /"attempt": "2\/2"/);
});
it('rejects keepalive URLs with embedded credentials before network access', () => {
const result = runKeepalive({ HF_SPACE_KEEPALIVE_URL: 'https://user:secret@example-demo.hf.space' });
assert.equal(result.status, 1);
assert.match(result.stderr, /HF_SPACE_KEEPALIVE_URL/);
assert.match(result.stderr, /plain Space origin/);
assert.doesNotMatch(result.stderr, /secret/);
assert.equal(result.stdout.trim(), '');
});
it('retries failed keepalive attempts before reporting success', () => {
const preloadPath = writeFetchStub(`
let count = 0;
globalThis.fetch = async () => {
count += 1;
if (count === 1) {
return new Response(JSON.stringify({ error: 'warming' }), {
status: 503,
headers: { 'Content-Type': 'application/json' }
});
}
return new Response(JSON.stringify({ passwordRequired: true }), {
status: 200,
headers: { 'Content-Type': 'application/json' }
});
};
`);
const result = runKeepalive(
{
HF_SPACE_KEEPALIVE_URL: 'https://misonl-visual-journal.hf.space',
HF_SPACE_KEEPALIVE_PATH: '/api/auth-status',
HF_SPACE_KEEPALIVE_MAX_ATTEMPTS: '2',
HF_SPACE_KEEPALIVE_RETRY_DELAY_MS: '1',
HF_SPACE_KEEPALIVE_TIMEOUT_MS: '1000'
},
['--import', preloadPath]
);
assert.equal(result.status, 0);
assert.match(result.stderr, /"attempt": "1\/2"/);
assert.match(result.stderr, /"nextRetryDelayMs": 1/);
assert.match(result.stdout, /"ok": true/);
assert.match(result.stdout, /"attempt": "2\/2"/);
});
it('uses capped exponential retry delays before reporting success', () => {
const preloadPath = writeFetchStub(`
let count = 0;
globalThis.fetch = async () => {
count += 1;
if (count <= 3) {
return new Response(JSON.stringify({ error: 'warming' }), {
status: 503,
headers: { 'Content-Type': 'application/json' }
});
}
return new Response(JSON.stringify({ passwordRequired: true }), {
status: 200,
headers: { 'Content-Type': 'application/json' }
});
};
`);
const result = runKeepalive(
{
HF_SPACE_KEEPALIVE_MAX_ATTEMPTS: '4',
HF_SPACE_KEEPALIVE_RETRY_DELAY_MS: '1',
HF_SPACE_KEEPALIVE_RETRY_MAX_DELAY_MS: '3',
HF_SPACE_KEEPALIVE_TIMEOUT_MS: '1000'
},
['--import', preloadPath]
);
assert.equal(result.status, 0);
assert.match(result.stderr, /"nextRetryDelayMs": 1/);
assert.match(result.stderr, /"nextRetryDelayMs": 2/);
assert.match(result.stderr, /"nextRetryDelayMs": 3/);
assert.match(result.stdout, /"attempt": "4\/4"/);
});
it('reports failing HTTP status and content type without printing the upstream error body', () => {
const preloadPath = writeFetchStub(`
globalThis.fetch = async () =>
new Response('<html>internal-upstream-detail</html>', {
status: 500,
headers: { 'Content-Type': 'text/html; charset=utf-8' }
});
`);
const result = runKeepalive(
{
HF_SPACE_KEEPALIVE_MAX_ATTEMPTS: '1',
HF_SPACE_KEEPALIVE_TIMEOUT_MS: '1000'
},
['--import', preloadPath]
);
assert.equal(result.status, 1);
assert.match(result.stderr, /HTTP 500/);
assert.match(result.stderr, /text\/html/);
assert.doesNotMatch(result.stderr, /internal-upstream-detail|<html>/);
assert.equal((result.stderr.match(/"ok": false/g) || []).length, 1);
});
it('prints a timeout-specific final error when every attempt aborts', () => {
const preloadPath = writeFetchStub(`
globalThis.fetch = async (url, options) =>
new Promise((resolve, reject) => {
options.signal.addEventListener('abort', () => {
reject(new DOMException('This operation was aborted', 'AbortError'));
});
});
`);
const result = runKeepalive(
{
HF_SPACE_KEEPALIVE_MAX_ATTEMPTS: '1',
HF_SPACE_KEEPALIVE_TIMEOUT_MS: '1000'
},
['--import', preloadPath]
);
assert.equal(result.status, 1);
assert.match(result.stderr, /Keepalive request timed out after 1000ms/);
assert.doesNotMatch(result.stderr, /This operation was aborted/);
assert.equal((result.stderr.match(/"ok": false/g) || []).length, 1);
});
});
function runKeepalive(env, nodeArgs = []) {
return spawnSync(process.execPath, [...nodeArgs, scriptPath], {
cwd: repoRoot,
encoding: 'utf8',
env: { ...process.env, ...env }
});
}
function writeFetchStub(source) {
const directory = mkdtempSync(join(tmpdir(), 'hf-keepalive-fetch-'));
tempDirectories.push(directory);
const filePath = join(directory, 'fetch-stub.mjs');
writeFileSync(filePath, source);
return filePath;
}
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