Function probeHealth

packages/computer/src/backends/test.ts:71–85

(url: string)

}

async function probeHealth(url: string): Promise<void> {
  const healthUrl = `${stripTrailingSlash(toHttpUrl(url))}/health`;
  let response: Response;
  try {
    response = await fetch(healthUrl);
  } catch (cause) {
    throw new Error(
      `TestBackend: ${healthUrl} is not reachable. ` +
        `Is the computerd container running? (${cause instanceof Error ? cause.message : String(cause)})`,
    );
  }
  if (!response.ok) {
    throw new Error(`TestBackend: ${healthUrl} returned ${response.status} ${response.statusText}`);
  }
}

function toHttpUrl(input: string): string {
  if (input.startsWith("ws://")) return `http://${input.slice("ws://".length)}`;