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test(hub): check the Codex content-type repair against a real server #173

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Merged
TheGreatAxios merged 1 commit into from
Nov 4, 2026
Merged

test(hub): check the Codex content-type repair against a real server #173

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38 changes: 13 additions & 25 deletions apps/hub/src/inference/codex-adapter.test.ts
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Original file line number Diff line number Diff line change
@@ -1,21 +1,7 @@
import { expect, test } from "bun:test";
import { CODEX_RESPONSES_PATH } from "@corbits/codex-provider";
import type { LastCycleSource } from "@intx/types/runtime";

const originalFetch = globalThis.fetch;
let stubResponse: Response | undefined;
globalThis.fetch = Object.assign(
async (
input: string | URL | Request,
init?: RequestInit,
): Promise<Response> => {
if (stubResponse !== undefined) return stubResponse;
return originalFetch(input, init);
},
{ preconnect: originalFetch.preconnect },
);

const { createCodexResponsesAdapter } = await import("./codex-adapter.ts");
import { createCodexResponsesAdapter } from "./codex-adapter.ts";

const codexSource: LastCycleSource = {
sourceId: "codex-default",
Expand Down Expand Up @@ -55,14 +41,16 @@ test("enables parallel tool calls and repairs missing Codex Content-Type headers
expect(body["store"]).toBe(false);
expect(body["reasoning"]).toEqual({ effort: "max" });

stubResponse = new Response(null, { status: 200 });
try {
const response = await globalThis.fetch(
`https://chatgpt.com/backend-api${CODEX_RESPONSES_PATH}`,
{ headers: request.headers },
);
expect(response.headers.get("content-type")).toBe("text/event-stream");
} finally {
stubResponse = undefined;
}
// A real server rather than a fetch stub: another test file may import the adapter first, and the repair then
// wraps whatever fetch existed at that moment.
using server = Bun.serve({
port: 0,
hostname: "127.0.0.1",
fetch: () => new Response(null, { status: 200 }),
});
const response = await globalThis.fetch(
new URL(`backend-api${CODEX_RESPONSES_PATH}`, server.url),
{ headers: request.headers },
);
expect(response.headers.get("content-type")).toBe("text/event-stream");
});