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test(bridge): widen blockPort's EADDRINUSE retry window #99

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Merged
Mearman merged 1 commit into from
Sep 14, 2026
Merged

test(bridge): widen blockPort's EADDRINUSE retry window #99

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6 changes: 3 additions & 3 deletions src/bridges/user/web/test/port-discovery.unit.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,9 +7,9 @@ import * as http from "node:http";
import { findFreePort } from "../port-discovery.js";

/** How many times to retry a single bind attempt against a transient EADDRINUSE before giving up for real. */
const BLOCK_PORT_MAX_ATTEMPTS = 5;
/** Delay between retries, long enough for a port an unrelated process grabbed as its own ephemeral source port to be released again. */
const BLOCK_PORT_RETRY_DELAY_MS = 50;
const BLOCK_PORT_MAX_ATTEMPTS = 10;
/** Delay between retries, long enough for a port an unrelated process grabbed as its own ephemeral source port to be released again. Raised from 50ms/5 attempts (a ~250ms total window) after that budget still wasn't always enough on a loaded CI runner -- 10 attempts at 100ms gives a ~1s window before genuinely giving up. */
const BLOCK_PORT_RETRY_DELAY_MS = 100;

function isErrnoException(error: unknown): error is NodeJS.ErrnoException {
return error instanceof Error && "code" in error;
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