a83175c94c
- Consolidated @oh-my-pi/pi-utils subpath imports into single package root import across 100+ files. - Moved tryParseJson utility from local web scrapers module to @oh-my-pi/pi-utils package for centralized JSON parsing. - Renamed loadSkillsFromDir to scanSkillsFromDir and refactored skill discovery to use fs.promises.readdir instead of glob-based approach. - Replaced custom parseJSON with tryParseJson across discovery modules for consistent error handling. - Removed emitCustomToolSessionEvent method and cleanupSshResources function, consolidating shutdown logic into dispose method. - Updated glob pattern construction to use GlobBuilder with literal_separator(true) for improved path handling.
2088 lines
70 KiB
TypeScript
2088 lines
70 KiB
TypeScript
import { afterEach, describe, expect, it, vi } from "bun:test";
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import {
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getOpenAICodexTransportDetails,
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prewarmOpenAICodexResponses,
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streamOpenAICodexResponses,
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} from "@oh-my-pi/pi-ai/providers/openai-codex-responses";
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import type { Context, Model, ProviderSessionState } from "@oh-my-pi/pi-ai/types";
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import { getAgentDir, setAgentDir, TempDir } from "@oh-my-pi/pi-utils";
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const originalFetch = global.fetch;
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const originalAgentDir = getAgentDir();
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const originalWebSocket = global.WebSocket;
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const originalCodexWebSocketRetryBudget = Bun.env.PI_CODEX_WEBSOCKET_RETRY_BUDGET;
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const originalCodexWebSocketRetryDelayMs = Bun.env.PI_CODEX_WEBSOCKET_RETRY_DELAY_MS;
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const originalCodexWebSocketIdleTimeoutMs = Bun.env.PI_CODEX_WEBSOCKET_IDLE_TIMEOUT_MS;
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const originalCodexWebSocketV2 = Bun.env.PI_CODEX_WEBSOCKET_V2;
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function restoreEnv(name: string, value: string | undefined): void {
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if (value === undefined) {
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delete Bun.env[name];
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return;
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}
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Bun.env[name] = value;
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}
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afterEach(() => {
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global.fetch = originalFetch;
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global.WebSocket = originalWebSocket;
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setAgentDir(originalAgentDir);
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restoreEnv("PI_CODEX_WEBSOCKET_RETRY_BUDGET", originalCodexWebSocketRetryBudget);
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restoreEnv("PI_CODEX_WEBSOCKET_RETRY_DELAY_MS", originalCodexWebSocketRetryDelayMs);
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restoreEnv("PI_CODEX_WEBSOCKET_IDLE_TIMEOUT_MS", originalCodexWebSocketIdleTimeoutMs);
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restoreEnv("PI_CODEX_WEBSOCKET_V2", originalCodexWebSocketV2);
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vi.restoreAllMocks();
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});
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describe("openai-codex streaming", () => {
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it("streams SSE responses into AssistantMessageEventStream", async () => {
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const tempDir = TempDir.createSync("@pi-codex-stream-");
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setAgentDir(tempDir.path());
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const payload = Buffer.from(
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JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
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"utf8",
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).toBase64();
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const token = `aaa.${payload}.bbb`;
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const sse = `${[
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`data: ${JSON.stringify({
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type: "response.output_item.added",
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item: { type: "message", id: "msg_1", role: "assistant", status: "in_progress", content: [] },
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})}`,
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`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
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`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
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`data: ${JSON.stringify({
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type: "response.output_item.done",
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item: {
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type: "message",
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id: "msg_1",
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role: "assistant",
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status: "completed",
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content: [{ type: "output_text", text: "Hello" }],
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},
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})}`,
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`data: ${JSON.stringify({
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type: "response.completed",
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response: {
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status: "completed",
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usage: {
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input_tokens: 5,
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output_tokens: 3,
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total_tokens: 8,
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input_tokens_details: { cached_tokens: 0 },
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},
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},
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})}`,
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].join("\n\n")}\n\n`;
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const encoder = new TextEncoder();
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const stream = new ReadableStream<Uint8Array>({
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start(controller) {
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controller.enqueue(encoder.encode(sse));
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controller.close();
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},
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});
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const fetchMock = vi.fn(async (input: string | URL, init?: RequestInit) => {
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const url = typeof input === "string" ? input : input.toString();
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if (url === "https://api.github.com/repos/openai/codex/releases/latest") {
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return new Response(JSON.stringify({ tag_name: "rust-v0.0.0" }), { status: 200 });
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}
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if (url.startsWith("https://raw.githubusercontent.com/openai/codex/")) {
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return new Response("PROMPT", { status: 200, headers: { etag: '"etag"' } });
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}
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if (url === "https://chatgpt.com/backend-api/codex/responses") {
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const headers = init?.headers instanceof Headers ? init.headers : undefined;
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expect(headers?.get("Authorization")).toBe(`Bearer ${token}`);
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expect(headers?.get("chatgpt-account-id")).toBe("acc_test");
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expect(headers?.get("OpenAI-Beta")).toBe("responses=experimental");
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expect(headers?.get("originator")).toBe("pi");
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expect(headers?.get("accept")).toBe("text/event-stream");
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expect(headers?.has("x-api-key")).toBe(false);
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return new Response(stream, {
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status: 200,
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headers: { "content-type": "text/event-stream" },
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});
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}
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return new Response("not found", { status: 404 });
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});
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global.fetch = fetchMock as unknown as typeof fetch;
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const model: Model<"openai-codex-responses"> = {
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id: "gpt-5.1-codex",
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name: "GPT-5.1 Codex",
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api: "openai-codex-responses",
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provider: "openai-codex",
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baseUrl: "https://chatgpt.com/backend-api",
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reasoning: true,
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input: ["text"],
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cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 400000,
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maxTokens: 128000,
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};
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const context: Context = {
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systemPrompt: "You are a helpful assistant.",
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messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
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};
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const streamResult = streamOpenAICodexResponses(model, context, { apiKey: token });
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let sawTextDelta = false;
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let sawDone = false;
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for await (const event of streamResult) {
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if (event.type === "text_delta") {
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sawTextDelta = true;
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}
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if (event.type === "done") {
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sawDone = true;
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expect(event.message.content.find(c => c.type === "text")?.text).toBe("Hello");
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}
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}
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expect(sawTextDelta).toBe(true);
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expect(sawDone).toBe(true);
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});
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it("fails truncated SSE streams that never emit a terminal response event", async () => {
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const tempDir = TempDir.createSync("@pi-codex-stream-");
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setAgentDir(tempDir.path());
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const payload = Buffer.from(
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JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
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"utf8",
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).toBase64();
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const token = `aaa.${payload}.bbb`;
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const sse = `${[
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`data: ${JSON.stringify({
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type: "response.output_item.added",
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item: { type: "message", id: "msg_1", role: "assistant", status: "in_progress", content: [] },
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})}`,
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`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
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`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
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`data: ${JSON.stringify({
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type: "response.output_item.done",
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item: {
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type: "message",
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id: "msg_1",
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role: "assistant",
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status: "completed",
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content: [{ type: "output_text", text: "Hello" }],
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},
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})}`,
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].join("\n\n")}\n\n`;
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const fetchMock = vi.fn(async (input: string | URL) => {
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const url = typeof input === "string" ? input : input.toString();
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if (url === "https://chatgpt.com/backend-api/codex/responses") {
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return new Response(sse, {
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status: 200,
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headers: { "content-type": "text/event-stream" },
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});
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}
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return new Response("not found", { status: 404 });
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});
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global.fetch = fetchMock as unknown as typeof fetch;
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const model: Model<"openai-codex-responses"> = {
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id: "gpt-5.1-codex",
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name: "GPT-5.1 Codex",
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api: "openai-codex-responses",
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provider: "openai-codex",
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baseUrl: "https://chatgpt.com/backend-api",
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reasoning: true,
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input: ["text"],
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cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
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contextWindow: 400000,
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maxTokens: 128000,
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};
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const context: Context = {
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systemPrompt: "You are a helpful assistant.",
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messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
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};
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const result = await streamOpenAICodexResponses(model, context, { apiKey: token }).result();
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expect(result.stopReason).toBe("error");
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expect(result.errorMessage).toContain("terminal completion event");
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});
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it("sets conversation_id/session_id headers and prompt_cache_key when sessionId is provided", async () => {
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const tempDir = TempDir.createSync("@pi-codex-stream-");
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setAgentDir(tempDir.path());
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const payload = Buffer.from(
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JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
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"utf8",
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).toBase64();
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const token = `aaa.${payload}.bbb`;
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const sse = `${[
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`data: ${JSON.stringify({
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type: "response.output_item.added",
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item: { type: "message", id: "msg_1", role: "assistant", status: "in_progress", content: [] },
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})}`,
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`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
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`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
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`data: ${JSON.stringify({
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type: "response.output_item.done",
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item: {
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type: "message",
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id: "msg_1",
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role: "assistant",
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status: "completed",
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content: [{ type: "output_text", text: "Hello" }],
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},
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})}`,
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`data: ${JSON.stringify({
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type: "response.completed",
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response: {
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status: "completed",
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usage: {
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input_tokens: 5,
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output_tokens: 3,
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total_tokens: 8,
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input_tokens_details: { cached_tokens: 0 },
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},
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},
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})}`,
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].join("\n\n")}\n\n`;
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const encoder = new TextEncoder();
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const stream = new ReadableStream({
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start(controller) {
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controller.enqueue(encoder.encode(sse));
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controller.close();
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},
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});
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const sessionId = "test-session-123";
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const fetchMock = vi.fn(async (input: string | URL, init?: RequestInit) => {
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const url = typeof input === "string" ? input : input.toString();
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if (url === "https://api.github.com/repos/openai/codex/releases/latest") {
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return new Response(JSON.stringify({ tag_name: "rust-v0.0.0" }), { status: 200 });
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}
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if (url.startsWith("https://raw.githubusercontent.com/openai/codex/")) {
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return new Response("PROMPT", { status: 200, headers: { etag: '"etag"' } });
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}
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if (url === "https://chatgpt.com/backend-api/codex/responses") {
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const headers = init?.headers instanceof Headers ? init.headers : undefined;
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// Verify sessionId is set in headers
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expect(headers?.get("conversation_id")).toBe(sessionId);
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expect(headers?.get("session_id")).toBe(sessionId);
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// Verify sessionId is set in request body as prompt_cache_key
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const body = typeof init?.body === "string" ? (JSON.parse(init.body) as Record<string, unknown>) : null;
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expect(body?.prompt_cache_key).toBe(sessionId);
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|
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return new Response(stream, {
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status: 200,
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headers: { "content-type": "text/event-stream" },
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});
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}
|
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return new Response("not found", { status: 404 });
|
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});
|
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global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
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const model: Model<"openai-codex-responses"> = {
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id: "gpt-5.1-codex",
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|
name: "GPT-5.1 Codex",
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|
api: "openai-codex-responses",
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provider: "openai-codex",
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|
baseUrl: "https://chatgpt.com/backend-api",
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reasoning: true,
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input: ["text"],
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|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 400000,
|
|
maxTokens: 128000,
|
|
};
|
|
|
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const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
|
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const streamResult = streamOpenAICodexResponses(model, context, { apiKey: token, sessionId });
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await streamResult.result();
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});
|
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it("clamps gpt-5.3-codex minimal reasoning effort to low", async () => {
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const tempDir = TempDir.createSync("@pi-codex-stream-");
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setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const sse = `${[
|
|
`data: ${JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: "msg_1", role: "assistant", status: "in_progress", content: [] },
|
|
})}`,
|
|
`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
|
|
`data: ${JSON.stringify({
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|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_1",
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: "Hello" }],
|
|
},
|
|
})}`,
|
|
`data: ${JSON.stringify({
|
|
type: "response.completed",
|
|
response: {
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
})}`,
|
|
].join("\n\n")}\n\n`;
|
|
|
|
const encoder = new TextEncoder();
|
|
const stream = new ReadableStream<Uint8Array>({
|
|
start(controller) {
|
|
controller.enqueue(encoder.encode(sse));
|
|
controller.close();
|
|
},
|
|
});
|
|
|
|
const fetchMock = vi.fn(async (input: string | URL, init?: RequestInit) => {
|
|
const url = typeof input === "string" ? input : input.toString();
|
|
if (url === "https://api.github.com/repos/openai/codex/releases/latest") {
|
|
return new Response(JSON.stringify({ tag_name: "rust-v0.0.0" }), { status: 200 });
|
|
}
|
|
if (url.startsWith("https://raw.githubusercontent.com/openai/codex/")) {
|
|
return new Response("PROMPT", { status: 200, headers: { etag: '"etag"' } });
|
|
}
|
|
if (url === "https://chatgpt.com/backend-api/codex/responses") {
|
|
const body = typeof init?.body === "string" ? (JSON.parse(init.body) as Record<string, unknown>) : null;
|
|
expect(body?.reasoning).toEqual({ effort: "low", summary: "auto" });
|
|
|
|
return new Response(stream, {
|
|
status: 200,
|
|
headers: { "content-type": "text/event-stream" },
|
|
});
|
|
}
|
|
return new Response("not found", { status: 404 });
|
|
});
|
|
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex",
|
|
name: "GPT-5.3 Codex",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 400000,
|
|
maxTokens: 128000,
|
|
};
|
|
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
|
|
const streamResult = streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
reasoningEffort: "minimal",
|
|
});
|
|
await streamResult.result();
|
|
});
|
|
|
|
it("does not set conversation_id/session_id headers when sessionId is not provided", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const sse = `${[
|
|
`data: ${JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: "msg_1", role: "assistant", status: "in_progress", content: [] },
|
|
})}`,
|
|
`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
|
|
`data: ${JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_1",
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: "Hello" }],
|
|
},
|
|
})}`,
|
|
`data: ${JSON.stringify({
|
|
type: "response.completed",
|
|
response: {
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
})}`,
|
|
].join("\n\n")}\n\n`;
|
|
|
|
const fetchMock = vi.fn(async (input: string | URL, init?: RequestInit) => {
|
|
const url = typeof input === "string" ? input : input.toString();
|
|
if (url === "https://api.github.com/repos/openai/codex/releases/latest") {
|
|
return new Response(JSON.stringify({ tag_name: "rust-v0.0.0" }), { status: 200 });
|
|
}
|
|
if (url.startsWith("https://raw.githubusercontent.com/openai/codex/")) {
|
|
return new Response("PROMPT", { status: 200, headers: { etag: '"etag"' } });
|
|
}
|
|
if (url === "https://chatgpt.com/backend-api/codex/responses") {
|
|
const headers = init?.headers instanceof Headers ? init.headers : undefined;
|
|
// Verify headers are not set when sessionId is not provided
|
|
expect(headers?.has("conversation_id")).toBe(false);
|
|
expect(headers?.has("session_id")).toBe(false);
|
|
|
|
return new Response(sse, {
|
|
status: 200,
|
|
headers: { "content-type": "text/event-stream" },
|
|
});
|
|
}
|
|
return new Response("not found", { status: 404 });
|
|
});
|
|
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.1-codex",
|
|
name: "GPT-5.1 Codex",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 400000,
|
|
maxTokens: 128000,
|
|
};
|
|
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
|
|
// No sessionId provided
|
|
const streamResult = streamOpenAICodexResponses(model, context, { apiKey: token });
|
|
await streamResult.result();
|
|
});
|
|
|
|
it("falls back to SSE when websocket connect fails", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
Bun.env.PI_CODEX_WEBSOCKET_RETRY_BUDGET = "0";
|
|
Bun.env.PI_CODEX_WEBSOCKET_RETRY_DELAY_MS = "1";
|
|
const sse = `${[
|
|
`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_item.done", item: { type: "message", id: "msg_1", role: "assistant", status: "completed", content: [{ type: "output_text", text: "Hello" }] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.completed", response: { status: "completed", usage: { input_tokens: 5, output_tokens: 3, total_tokens: 8, input_tokens_details: { cached_tokens: 0 } } } })}`,
|
|
].join("\n\n")}\n\n`;
|
|
|
|
const fetchMock = vi.fn(async (input: string | URL) => {
|
|
const url = typeof input === "string" ? input : input.toString();
|
|
if (url === "https://chatgpt.com/backend-api/codex/responses") {
|
|
return new Response(sse, {
|
|
status: 200,
|
|
headers: { "content-type": "text/event-stream" },
|
|
});
|
|
}
|
|
return new Response("not found", { status: 404 });
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
type WsListener = (event: Event) => void;
|
|
class FailingWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = FailingWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
url: string;
|
|
options?: { headers?: Record<string, string> };
|
|
|
|
constructor(url: string, options?: { headers?: Record<string, string> }) {
|
|
this.url = url;
|
|
this.options = options;
|
|
setTimeout(() => {
|
|
expect(this.options?.headers?.["OpenAI-Beta"] ?? this.options?.headers?.["openai-beta"]).toBe(
|
|
"responses_websockets=2026-02-04",
|
|
);
|
|
this.#emit("error", new Event("error"));
|
|
this.#emit("close", new Event("close"));
|
|
this.readyState = FailingWebSocket.CLOSED;
|
|
}, 0);
|
|
}
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(): void {}
|
|
close(): void {
|
|
this.readyState = FailingWebSocket.CLOSED;
|
|
}
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = FailingWebSocket as unknown as typeof WebSocket;
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
const streamResult = streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-session",
|
|
providerSessionState,
|
|
});
|
|
const result = await streamResult.result();
|
|
expect(result.role).toBe("assistant");
|
|
expect(fetchMock).toHaveBeenCalled();
|
|
const fallbackDetails = getOpenAICodexTransportDetails(model, { sessionId: "ws-session", providerSessionState });
|
|
expect(fallbackDetails.lastTransport).toBe("sse");
|
|
expect(fallbackDetails.websocketDisabled).toBe(true);
|
|
expect(fallbackDetails.fallbackCount).toBe(1);
|
|
});
|
|
|
|
it("retries websocket failures before activating sticky fallback", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
Bun.env.PI_CODEX_WEBSOCKET_RETRY_BUDGET = "1";
|
|
Bun.env.PI_CODEX_WEBSOCKET_RETRY_DELAY_MS = "1";
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called when websocket retry succeeds");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
let constructorCount = 0;
|
|
class FlakyWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = FlakyWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
#attempt: number;
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
constructorCount += 1;
|
|
this.#attempt = constructorCount;
|
|
setTimeout(() => {
|
|
if (this.#attempt === 1) {
|
|
this.#emit("error", new Event("error"));
|
|
this.#emit("close", new Event("close"));
|
|
this.readyState = FlakyWebSocket.CLOSED;
|
|
return;
|
|
}
|
|
this.readyState = FlakyWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(): void {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: "msg_retry", role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: "Hello retry" }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_retry",
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: "Hello retry" }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: "resp_retry",
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = FlakyWebSocket.CLOSED;
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = FlakyWebSocket as unknown as typeof WebSocket;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
const result = await streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-retry-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(result.role).toBe("assistant");
|
|
expect(constructorCount).toBe(2);
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
const transportDetails = getOpenAICodexTransportDetails(model, {
|
|
sessionId: "ws-retry-session",
|
|
providerSessionState,
|
|
});
|
|
expect(transportDetails.lastTransport).toBe("websocket");
|
|
expect(transportDetails.websocketDisabled).toBe(false);
|
|
expect(transportDetails.fallbackCount).toBe(0);
|
|
});
|
|
|
|
it("captures websocket handshake metadata and replays it on later SSE requests", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const sse = `${[
|
|
`data: ${JSON.stringify({ type: "response.output_item.added", item: { type: "message", id: "msg_sse", role: "assistant", status: "in_progress", content: [] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello SSE" })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_item.done", item: { type: "message", id: "msg_sse", role: "assistant", status: "completed", content: [{ type: "output_text", text: "Hello SSE" }] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.completed", response: { status: "completed", usage: { input_tokens: 5, output_tokens: 3, total_tokens: 8, input_tokens_details: { cached_tokens: 0 } } } })}`,
|
|
].join("\n\n")}\n\n`;
|
|
const fetchMock = vi.fn(async (_input: string | URL, init?: RequestInit) => {
|
|
const headers = init?.headers instanceof Headers ? init.headers : new Headers(init?.headers);
|
|
expect(headers.get("x-codex-turn-state")).toBe("ws-turn-state-1");
|
|
expect(headers.get("x-models-etag")).toBe("models-etag-1");
|
|
return new Response(sse, { status: 200, headers: { "content-type": "text/event-stream" } });
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
class HandshakeWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = HandshakeWebSocket.CONNECTING;
|
|
handshakeHeaders = {
|
|
"x-codex-turn-state": "ws-turn-state-1",
|
|
"x-models-etag": "models-etag-1",
|
|
"x-reasoning-included": "true",
|
|
};
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
setTimeout(() => {
|
|
this.readyState = HandshakeWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(): void {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: "msg_ws", role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: "Hello WS" }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_ws",
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: "Hello WS" }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: "resp_ws",
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = HandshakeWebSocket.CLOSED;
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = HandshakeWebSocket as unknown as typeof WebSocket;
|
|
|
|
const websocketModel: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const sseModel: Model<"openai-codex-responses"> = {
|
|
...websocketModel,
|
|
preferWebsockets: false,
|
|
};
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
await streamOpenAICodexResponses(websocketModel, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-handshake-session",
|
|
providerSessionState,
|
|
}).result();
|
|
await streamOpenAICodexResponses(sseModel, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-handshake-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(fetchMock).toHaveBeenCalledTimes(1);
|
|
});
|
|
|
|
it("uses websocket v2 beta header when v2 mode is enabled", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
Bun.env.PI_CODEX_WEBSOCKET_V2 = "1";
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
class WebSocketV2HeaderProbe {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = WebSocketV2HeaderProbe.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
|
|
constructor(_url: string, options?: { headers?: Record<string, string> }) {
|
|
expect(options?.headers?.["OpenAI-Beta"] ?? options?.headers?.["openai-beta"]).toBe(
|
|
"responses_websockets=2026-02-06",
|
|
);
|
|
setTimeout(() => {
|
|
this.readyState = WebSocketV2HeaderProbe.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(): void {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: "msg_v2", role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: "Hello v2" }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_v2",
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: "Hello v2" }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: "resp_v2",
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = WebSocketV2HeaderProbe.CLOSED;
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = WebSocketV2HeaderProbe as unknown as typeof WebSocket;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
await streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-v2-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it("fails websocket streams with an idle-timeout transport error", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
Bun.env.PI_CODEX_WEBSOCKET_IDLE_TIMEOUT_MS = "10";
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called for websocket idle timeout");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
class IdleWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = IdleWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
setTimeout(() => {
|
|
this.readyState = IdleWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(): void {}
|
|
|
|
close(): void {
|
|
this.readyState = IdleWebSocket.CLOSED;
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = IdleWebSocket as unknown as typeof WebSocket;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
const result = await streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-idle-timeout-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(result.stopReason).toBe("error");
|
|
expect(result.errorMessage).toContain("idle timeout waiting for websocket");
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it("retries websocket stream closes before surfacing transport errors", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
Bun.env.PI_CODEX_WEBSOCKET_RETRY_BUDGET = "1";
|
|
Bun.env.PI_CODEX_WEBSOCKET_RETRY_DELAY_MS = "1";
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called when websocket retry succeeds");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
let constructorCount = 0;
|
|
const requestTypes: string[] = [];
|
|
|
|
class FlakyCloseWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = FlakyCloseWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
constructorCount += 1;
|
|
setTimeout(() => {
|
|
this.readyState = FlakyCloseWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(data: string): void {
|
|
const request = JSON.parse(data) as { type?: string };
|
|
requestTypes.push(typeof request.type === "string" ? request.type : "");
|
|
if (requestTypes.length === 1) {
|
|
this.readyState = FlakyCloseWebSocket.CLOSED;
|
|
this.#emit("close", { code: 1012 } as unknown as Event);
|
|
return;
|
|
}
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_retry_close",
|
|
role: "assistant",
|
|
status: "in_progress",
|
|
content: [],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: "Hello retry close" }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: "msg_retry_close",
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: "Hello retry close" }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: "resp_retry_close",
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = FlakyCloseWebSocket.CLOSED;
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = FlakyCloseWebSocket as unknown as typeof WebSocket;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
const result = await streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "ws-retry-close-session",
|
|
providerSessionState,
|
|
}).result();
|
|
|
|
expect(result.role).toBe("assistant");
|
|
expect(constructorCount).toBe(2);
|
|
expect(requestTypes).toEqual(["response.create", "response.create"]);
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it("resets websocket append state after an aborted request closes the connection", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
const sentTypesByConnection: string[][] = [];
|
|
let constructorCount = 0;
|
|
let abortSecondRequest: (() => void) | undefined;
|
|
|
|
class AbortResetWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = AbortResetWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
#connectionIndex: number;
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
this.#connectionIndex = constructorCount;
|
|
constructorCount += 1;
|
|
sentTypesByConnection[this.#connectionIndex] = [];
|
|
setTimeout(() => {
|
|
this.readyState = AbortResetWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(data: string): void {
|
|
const request = JSON.parse(data) as { type?: string };
|
|
const requestType = typeof request.type === "string" ? request.type : "";
|
|
sentTypesByConnection[this.#connectionIndex]?.push(requestType);
|
|
const requestIndex = sentTypesByConnection[this.#connectionIndex]?.length ?? 0;
|
|
|
|
if (this.#connectionIndex === 0 && requestIndex === 1) {
|
|
this.#emitCompleted("msg_1", "resp_1", "Hello one");
|
|
return;
|
|
}
|
|
if (this.#connectionIndex === 0 && requestIndex === 2) {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: "msg_2", role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.content_part.added",
|
|
part: { type: "output_text", text: "" },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: "Still streaming" }),
|
|
} as unknown as Event);
|
|
setTimeout(() => {
|
|
abortSecondRequest?.();
|
|
}, 0);
|
|
return;
|
|
}
|
|
if (this.#connectionIndex === 1 && requestIndex === 1) {
|
|
expect(requestType).toBe("response.create");
|
|
this.#emitCompleted("msg_3", "resp_3", "Hello three");
|
|
return;
|
|
}
|
|
throw new Error(`Unexpected websocket send sequence: ${this.#connectionIndex}:${requestIndex}`);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = AbortResetWebSocket.CLOSED;
|
|
}
|
|
|
|
#emitCompleted(messageId: string, responseId: string, text: string): void {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: messageId, role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: text }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: messageId,
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: responseId,
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = AbortResetWebSocket as unknown as typeof WebSocket;
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const firstContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const secondContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [
|
|
{ role: "user", content: "Say hello", timestamp: Date.now() },
|
|
{ role: "user", content: "Keep going", timestamp: Date.now() + 1 },
|
|
],
|
|
};
|
|
const thirdContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [
|
|
{ role: "user", content: "Say hello", timestamp: Date.now() },
|
|
{ role: "user", content: "Keep going", timestamp: Date.now() + 1 },
|
|
{ role: "user", content: "Finish", timestamp: Date.now() + 2 },
|
|
],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
|
|
const firstResult = await streamOpenAICodexResponses(model, firstContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-abort-reset-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(firstResult.role).toBe("assistant");
|
|
|
|
const secondAbortController = new AbortController();
|
|
abortSecondRequest = () => {
|
|
secondAbortController.abort();
|
|
};
|
|
const secondResult = await streamOpenAICodexResponses(model, secondContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-abort-reset-session",
|
|
signal: secondAbortController.signal,
|
|
providerSessionState,
|
|
}).result();
|
|
expect(secondResult.stopReason).toBe("aborted");
|
|
|
|
const thirdResult = await streamOpenAICodexResponses(model, thirdContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-abort-reset-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(thirdResult.role).toBe("assistant");
|
|
expect(constructorCount).toBe(2);
|
|
expect(sentTypesByConnection[0]).toEqual(["response.create", "response.append"]);
|
|
expect(sentTypesByConnection[1]).toEqual(["response.create"]);
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it("resets websocket append state after websocket error events", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
const sentTypes: string[] = [];
|
|
let constructorCount = 0;
|
|
|
|
class ErrorResetWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = ErrorResetWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
constructorCount += 1;
|
|
setTimeout(() => {
|
|
this.readyState = ErrorResetWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(data: string): void {
|
|
const request = JSON.parse(data) as { type?: string };
|
|
const requestType = typeof request.type === "string" ? request.type : "";
|
|
sentTypes.push(requestType);
|
|
const requestIndex = sentTypes.length;
|
|
|
|
if (requestIndex === 1) {
|
|
this.#emitCompleted("msg_1", "resp_1", "Hello one");
|
|
return;
|
|
}
|
|
if (requestIndex === 2) {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "error",
|
|
code: "invalid_request_error",
|
|
message: "simulated request error",
|
|
}),
|
|
} as unknown as Event);
|
|
return;
|
|
}
|
|
if (requestIndex === 3) {
|
|
expect(requestType).toBe("response.create");
|
|
this.#emitCompleted("msg_3", "resp_3", "Hello three");
|
|
return;
|
|
}
|
|
throw new Error(`Unexpected websocket request index: ${requestIndex}`);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = ErrorResetWebSocket.CLOSED;
|
|
}
|
|
|
|
#emitCompleted(messageId: string, responseId: string, text: string): void {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: messageId, role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: text }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: messageId,
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: responseId,
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = ErrorResetWebSocket as unknown as typeof WebSocket;
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const firstContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const secondContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [
|
|
{ role: "user", content: "Say hello", timestamp: Date.now() },
|
|
{ role: "user", content: "Keep going", timestamp: Date.now() + 1 },
|
|
],
|
|
};
|
|
const thirdContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [
|
|
{ role: "user", content: "Say hello", timestamp: Date.now() },
|
|
{ role: "user", content: "Keep going", timestamp: Date.now() + 1 },
|
|
{ role: "user", content: "Finish", timestamp: Date.now() + 2 },
|
|
],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
|
|
const firstResult = await streamOpenAICodexResponses(model, firstContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-error-reset-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(firstResult.role).toBe("assistant");
|
|
|
|
const secondResult = await streamOpenAICodexResponses(model, secondContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-error-reset-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(secondResult.stopReason).toBe("error");
|
|
expect(secondResult.errorMessage).toContain("simulated request error");
|
|
|
|
const thirdResult = await streamOpenAICodexResponses(model, thirdContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-error-reset-session",
|
|
providerSessionState,
|
|
}).result();
|
|
expect(thirdResult.role).toBe("assistant");
|
|
expect(constructorCount).toBe(1);
|
|
expect(sentTypes).toEqual(["response.create", "response.append", "response.create"]);
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
});
|
|
|
|
it("resets append state and stale turn headers when websocket requests diverge", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const sseTurnStates: Array<string | null> = [];
|
|
const sseModelsEtags: Array<string | null> = [];
|
|
const sse = `${[
|
|
`data: ${JSON.stringify({ type: "response.output_item.added", item: { type: "message", id: "msg_sse", role: "assistant", status: "in_progress", content: [] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello SSE" })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_item.done", item: { type: "message", id: "msg_sse", role: "assistant", status: "completed", content: [{ type: "output_text", text: "Hello SSE" }] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.completed", response: { status: "completed", usage: { input_tokens: 5, output_tokens: 3, total_tokens: 8, input_tokens_details: { cached_tokens: 0 } } } })}`,
|
|
].join("\n\n")}\n\n`;
|
|
const fetchMock = vi.fn(async (_input: string | URL, init?: RequestInit) => {
|
|
const headers = init?.headers instanceof Headers ? init.headers : new Headers(init?.headers);
|
|
sseTurnStates.push(headers.get("x-codex-turn-state"));
|
|
sseModelsEtags.push(headers.get("x-models-etag"));
|
|
return new Response(sse, { status: 200, headers: { "content-type": "text/event-stream" } });
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
const requestTypes: string[] = [];
|
|
class DivergedAppendWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
readyState = DivergedAppendWebSocket.CONNECTING;
|
|
handshakeHeaders = {
|
|
"x-codex-turn-state": "ws-turn-state-1",
|
|
"x-models-etag": "ws-models-etag-1",
|
|
};
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
#sendCount = 0;
|
|
|
|
constructor(_url: string, _options?: { headers?: Record<string, string> }) {
|
|
setTimeout(() => {
|
|
this.readyState = DivergedAppendWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(data: string): void {
|
|
this.#sendCount += 1;
|
|
const request = JSON.parse(data) as { type?: string };
|
|
requestTypes.push(typeof request.type === "string" ? request.type : "");
|
|
const idSuffix = String(this.#sendCount);
|
|
this.#emitCompleted(`msg_${idSuffix}`, `resp_${idSuffix}`, `Hello WS ${idSuffix}`);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = DivergedAppendWebSocket.CLOSED;
|
|
}
|
|
|
|
#emitCompleted(messageId: string, responseId: string, text: string): void {
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: { type: "message", id: messageId, role: "assistant", status: "in_progress", content: [] },
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: text }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: messageId,
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: responseId,
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = DivergedAppendWebSocket as unknown as typeof WebSocket;
|
|
|
|
const websocketModel: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
const sseModel: Model<"openai-codex-responses"> = {
|
|
...websocketModel,
|
|
preferWebsockets: false,
|
|
};
|
|
const firstContext: Context = {
|
|
systemPrompt: "Prompt A",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const secondContext: Context = {
|
|
systemPrompt: "Prompt B",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
|
|
await streamOpenAICodexResponses(websocketModel, firstContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-diverged-session",
|
|
providerSessionState,
|
|
}).result();
|
|
await streamOpenAICodexResponses(websocketModel, secondContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-diverged-session",
|
|
providerSessionState,
|
|
}).result();
|
|
await streamOpenAICodexResponses(sseModel, secondContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-diverged-session",
|
|
providerSessionState,
|
|
}).result();
|
|
|
|
expect(requestTypes).toEqual(["response.create", "response.create"]);
|
|
expect(fetchMock).toHaveBeenCalledTimes(1);
|
|
expect(sseTurnStates[0]).toBeNull();
|
|
expect(sseModelsEtags[0]).toBeNull();
|
|
});
|
|
|
|
it("reuses a prewarmed websocket connection across turns", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const fetchMock = vi.fn(async () => {
|
|
throw new Error("SSE fallback should not be called");
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
type WsListener = (event: Event) => void;
|
|
let constructorCount = 0;
|
|
let sendCount = 0;
|
|
class ReusableWebSocket {
|
|
static readonly CONNECTING = 0;
|
|
static readonly OPEN = 1;
|
|
static readonly CLOSING = 2;
|
|
static readonly CLOSED = 3;
|
|
|
|
readyState = ReusableWebSocket.CONNECTING;
|
|
#listeners = new Map<string, Set<WsListener>>();
|
|
|
|
constructor(
|
|
public readonly url: string,
|
|
public readonly options?: { headers?: Record<string, string> },
|
|
) {
|
|
constructorCount += 1;
|
|
setTimeout(() => {
|
|
this.readyState = ReusableWebSocket.OPEN;
|
|
this.#emit("open", new Event("open"));
|
|
}, 0);
|
|
}
|
|
|
|
addEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type) ?? new Set<WsListener>();
|
|
listeners.add(listener as WsListener);
|
|
this.#listeners.set(type, listeners);
|
|
}
|
|
|
|
removeEventListener(type: string, listener: unknown): void {
|
|
if (typeof listener !== "function") return;
|
|
const listeners = this.#listeners.get(type);
|
|
listeners?.delete(listener as WsListener);
|
|
}
|
|
|
|
send(data: string): void {
|
|
sendCount += 1;
|
|
const request = JSON.parse(data) as Record<string, unknown>;
|
|
expect(typeof request.type).toBe("string");
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.added",
|
|
item: {
|
|
type: "message",
|
|
id: `msg_${sendCount}`,
|
|
role: "assistant",
|
|
status: "in_progress",
|
|
content: [],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({ type: "response.output_text.delta", delta: `Hello ${sendCount}` }),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.output_item.done",
|
|
item: {
|
|
type: "message",
|
|
id: `msg_${sendCount}`,
|
|
role: "assistant",
|
|
status: "completed",
|
|
content: [{ type: "output_text", text: `Hello ${sendCount}` }],
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
this.#emit("message", {
|
|
data: JSON.stringify({
|
|
type: "response.done",
|
|
response: {
|
|
id: `resp_${sendCount}`,
|
|
status: "completed",
|
|
usage: {
|
|
input_tokens: 5,
|
|
output_tokens: 3,
|
|
total_tokens: 8,
|
|
input_tokens_details: { cached_tokens: 0 },
|
|
},
|
|
},
|
|
}),
|
|
} as unknown as Event);
|
|
}
|
|
|
|
close(): void {
|
|
this.readyState = ReusableWebSocket.CLOSED;
|
|
}
|
|
|
|
#emit(type: string, event: Event): void {
|
|
const listeners = this.#listeners.get(type);
|
|
if (!listeners) return;
|
|
for (const listener of listeners) {
|
|
listener(event);
|
|
}
|
|
}
|
|
}
|
|
|
|
global.WebSocket = ReusableWebSocket as unknown as typeof WebSocket;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.3-codex-spark",
|
|
name: "GPT-5.3 Codex Spark",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
preferWebsockets: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 128000,
|
|
maxTokens: 128000,
|
|
};
|
|
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
await prewarmOpenAICodexResponses(model, { apiKey: token, sessionId: "ws-reuse-session", providerSessionState });
|
|
|
|
const firstContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "First", timestamp: Date.now() }],
|
|
};
|
|
const secondContext: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [
|
|
{ role: "user", content: "First", timestamp: Date.now() },
|
|
{ role: "user", content: "Second", timestamp: Date.now() },
|
|
],
|
|
};
|
|
|
|
await streamOpenAICodexResponses(model, firstContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-reuse-session",
|
|
providerSessionState,
|
|
}).result();
|
|
await streamOpenAICodexResponses(model, secondContext, {
|
|
apiKey: token,
|
|
sessionId: "ws-reuse-session",
|
|
providerSessionState,
|
|
}).result();
|
|
|
|
expect(constructorCount).toBe(1);
|
|
expect(sendCount).toBe(2);
|
|
expect(fetchMock).not.toHaveBeenCalled();
|
|
const transportDetails = getOpenAICodexTransportDetails(model, {
|
|
sessionId: "ws-reuse-session",
|
|
providerSessionState,
|
|
});
|
|
expect(transportDetails.lastTransport).toBe("websocket");
|
|
expect(transportDetails.websocketConnected).toBe(true);
|
|
expect(transportDetails.prewarmed).toBe(true);
|
|
expect(transportDetails.canAppend).toBe(true);
|
|
});
|
|
|
|
it("replays x-codex-turn-state on subsequent SSE requests", async () => {
|
|
const tempDir = TempDir.createSync("@pi-codex-stream-");
|
|
setAgentDir(tempDir.path());
|
|
|
|
const payload = Buffer.from(
|
|
JSON.stringify({ "https://api.openai.com/auth": { chatgpt_account_id: "acc_test" } }),
|
|
"utf8",
|
|
).toBase64();
|
|
const token = `aaa.${payload}.bbb`;
|
|
|
|
const requestTurnStates: Array<string | null> = [];
|
|
let callCount = 0;
|
|
const fetchMock = vi.fn(async (_input: string | URL, init?: RequestInit) => {
|
|
const headers = init?.headers instanceof Headers ? init.headers : new Headers(init?.headers);
|
|
requestTurnStates.push(headers.get("x-codex-turn-state"));
|
|
const sse = `${[
|
|
`data: ${JSON.stringify({ type: "response.output_item.added", item: { type: "message", id: `msg_${callCount}`, role: "assistant", status: "in_progress", content: [] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.content_part.added", part: { type: "output_text", text: "" } })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_text.delta", delta: "Hello" })}`,
|
|
`data: ${JSON.stringify({ type: "response.output_item.done", item: { type: "message", id: `msg_${callCount}`, role: "assistant", status: "completed", content: [{ type: "output_text", text: "Hello" }] } })}`,
|
|
`data: ${JSON.stringify({ type: "response.completed", response: { status: "completed", usage: { input_tokens: 5, output_tokens: 3, total_tokens: 8, input_tokens_details: { cached_tokens: 0 } } } })}`,
|
|
].join("\n\n")}\n\n`;
|
|
const responseHeaders = new Headers({ "content-type": "text/event-stream" });
|
|
if (callCount === 0) {
|
|
responseHeaders.set("x-codex-turn-state", "turn-state-1");
|
|
}
|
|
callCount += 1;
|
|
return new Response(sse, { status: 200, headers: responseHeaders });
|
|
});
|
|
global.fetch = fetchMock as unknown as typeof fetch;
|
|
|
|
const model: Model<"openai-codex-responses"> = {
|
|
id: "gpt-5.1-codex",
|
|
name: "GPT-5.1 Codex",
|
|
api: "openai-codex-responses",
|
|
provider: "openai-codex",
|
|
baseUrl: "https://chatgpt.com/backend-api",
|
|
reasoning: true,
|
|
input: ["text"],
|
|
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
|
|
contextWindow: 400000,
|
|
maxTokens: 128000,
|
|
};
|
|
|
|
const context: Context = {
|
|
systemPrompt: "You are a helpful assistant.",
|
|
messages: [{ role: "user", content: "Say hello", timestamp: Date.now() }],
|
|
};
|
|
|
|
const providerSessionState = new Map<string, ProviderSessionState>();
|
|
await streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "turn-state-session",
|
|
providerSessionState,
|
|
}).result();
|
|
await streamOpenAICodexResponses(model, context, {
|
|
apiKey: token,
|
|
sessionId: "turn-state-session",
|
|
providerSessionState,
|
|
}).result();
|
|
|
|
expect(requestTurnStates[0]).toBeNull();
|
|
expect(requestTurnStates[1]).toBe("turn-state-1");
|
|
});
|
|
});
|