Skip to content

test(cloudflare): Add retry on 500 responses to integration test runner #20994

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
andreiborza merged 1 commit into from
May 19, 2026
+10 −2
Merged

test(cloudflare): Add retry on 500 responses to integration test runner #20994

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 10 additions & 2 deletions dev-packages/cloudflare-integration-tests/runner.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,11 +19,19 @@ export function cleanupChildProcesses(): void {
process.on('exit', cleanupChildProcesses);

// Wrangler can report "Ready" before it can actually handle requests.
// This retries fetch on connection errors to handle this race condition.
// This retries fetch on connection errors and transient 500 responses to handle this race condition.
async function fetchWithRetry(url: string, init: RequestInit, maxRetries = 10, retryDelayMs = 200): Promise<Response> {
for (let attempt = 0; attempt < maxRetries; attempt++) {
try {
return await fetch(url, init);
const res = await fetch(url, init);

if (res.status === 500 && attempt < maxRetries - 1) {
if (process.env.DEBUG) log(`Got 500, retrying (attempt ${attempt + 1}/${maxRetries})...`);
await new Promise(r => setTimeout(r, retryDelayMs));
continue;
}

return res;
} catch (e) {
const isConnectionError =
e instanceof Error && (e.message.includes('ECONNREFUSED') || e.message.includes('fetch failed'));
Expand Down
Loading