Function makeStubFetch

design/test/variants-retry-after.test.ts:30–42

(
  responses: Response[],
  calls: CallRecord[],
)

}

function makeStubFetch(
  responses: Response[],
  calls: CallRecord[],
): typeof globalThis.fetch {
  let idx = 0;
  return (async (_input: any, _init?: any) => {
    calls.push({ ts: Date.now() });
    const response = responses[idx];
    if (!response) throw new Error(`stub fetch: no response for call ${idx + 1}`);
    idx++;
    return response;
  }) as typeof globalThis.fetch;
}

describe("generateVariant Retry-After handling", () => {
  let tmpDir: string;