This commit is contained in:
2026-07-26 14:02:37 +07:00
parent bc56546b49
commit 367ebc1c7f
171 changed files with 4617 additions and 10402 deletions
+315 -36
View File
@@ -590,6 +590,57 @@ describe("openai-codex streaming", () => {
await streamResult.result();
});
it("omits SSE cache affinity when cacheRetention is none", async () => {
const token = mockToken();
const encoder = new TextEncoder();
let capturedHeaders: Headers | undefined;
let capturedBody: Record<string, unknown> | null = null;
vi.stubGlobal(
"fetch",
vi.fn(async (_input: string | URL, init?: RequestInit) => {
capturedHeaders = init?.headers instanceof Headers ? init.headers : undefined;
capturedBody = decodeCodexRequestBody(init?.body);
return new Response(
new ReadableStream<Uint8Array>({
start(controller) {
controller.enqueue(encoder.encode(buildSSEPayload({ status: "completed" })));
controller.close();
},
}),
{ status: 200, headers: { "content-type": "text/event-stream" } },
);
}),
);
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() }],
};
await streamOpenAICodexResponses(model, context, {
apiKey: token,
cacheRetention: "none",
sessionId: "one-off-summary",
transport: "sse",
}).result();
expect(capturedHeaders?.has("session-id")).toBe(false);
expect(capturedHeaders?.has("x-client-request-id")).toBe(false);
expect(capturedBody).not.toHaveProperty("prompt_cache_key");
});
it("clamps prompt_cache_key to OpenAI's 64-character limit", async () => {
const token = mockToken();
const sessionId = "x".repeat(67);
@@ -804,6 +855,75 @@ describe("openai-codex streaming", () => {
expect(requestedToolChoice).toBe("required");
});
it("sets Codex strict mode explicitly and honors constrained sampling", async () => {
const token = mockToken();
const encoder = new TextEncoder();
const sse = buildSSEPayload({ status: "completed" });
let requestedTools: Array<{ type?: string; name?: string; strict?: boolean | null }> | undefined;
vi.stubGlobal(
"fetch",
vi.fn(
async () =>
new Response(
new ReadableStream<Uint8Array>({
start(controller) {
controller.enqueue(encoder.encode(sse));
controller.close();
},
}),
{ status: 200, headers: { "content-type": "text/event-stream" } },
),
),
);
const model: Model<"openai-codex-responses"> = {
id: "gpt-5.5",
name: "GPT-5.5",
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,
};
await streamOpenAICodexResponses(
model,
{
messages: [{ role: "user", content: "Use a tool", timestamp: Date.now() }],
tools: [
{
name: "optional",
description: "Optional constrained sampling",
parameters: Type.Object({ value: Type.String() }),
constrainedSampling: false,
},
{
name: "strict",
description: "Strict constrained sampling",
parameters: Type.Object({ value: Type.String() }, { additionalProperties: false }),
constrainedSampling: { type: "json_schema", strict: "prefer" },
},
],
},
{
apiKey: token,
transport: "sse",
onPayload: (payload) => {
requestedTools = (payload as { tools?: typeof requestedTools }).tools;
},
},
).result();
expect(requestedTools).toMatchObject([
{ type: "function", name: "optional", strict: null },
{ type: "function", name: "strict", strict: true },
]);
});
it.each(["gpt-5.3-codex", "gpt-5.4", "gpt-5.5"])("clamps %s minimal reasoning effort to low", async (modelId) => {
const tempDir = mkdtempSync(join(tmpdir(), "pi-codex-stream-"));
process.env.PI_CODING_AGENT_DIR = tempDir;
@@ -1214,6 +1334,100 @@ describe("openai-codex streaming", () => {
});
});
it("closes one-shot websockets when cacheRetention is none", async () => {
const token = mockToken();
const sentBodies: Array<{ prompt_cache_key?: string }> = [];
let connections = 0;
let closedConnections = 0;
class MockWebSocket {
private listeners = new Map<string, Set<(event: unknown) => void>>();
constructor() {
connections++;
queueMicrotask(() => this.dispatch("open", {}));
}
addEventListener(type: string, listener: (event: unknown) => void): void {
let listeners = this.listeners.get(type);
if (!listeners) {
listeners = new Set();
this.listeners.set(type, listeners);
}
listeners.add(listener);
}
removeEventListener(type: string, listener: (event: unknown) => void): void {
this.listeners.get(type)?.delete(listener);
}
send(data: string): void {
sentBodies.push(JSON.parse(data) as { prompt_cache_key?: string });
queueMicrotask(() => {
this.dispatch("message", {
data: JSON.stringify({
type: "response.completed",
response: {
id: `resp_${connections}`,
status: "completed",
usage: { input_tokens: 5, output_tokens: 3, total_tokens: 8 },
},
}),
});
});
}
close(): void {
closedConnections++;
}
private dispatch(type: string, event: unknown): void {
for (const listener of this.listeners.get(type) ?? []) {
listener(event);
}
}
}
vi.stubGlobal("WebSocket", MockWebSocket);
vi.stubGlobal(
"fetch",
vi.fn(async () => new Response("unexpected fetch", { status: 500 })),
);
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: 1 }],
};
const options = {
apiKey: token,
cacheRetention: "none" as const,
sessionId: "one-off-summary",
transport: "auto" as const,
};
await streamOpenAICodexResponses(model, context, options).result();
await streamOpenAICodexResponses(model, context, options).result();
expect(connections).toBe(2);
expect(closedConnections).toBe(2);
expect(sentBodies).toHaveLength(2);
expect(sentBodies.every((body) => body.prompt_cache_key === undefined)).toBe(true);
expect(getOpenAICodexWebSocketDebugStats("one-off-summary")).toBeUndefined();
expect(global.fetch).not.toHaveBeenCalled();
});
it("falls back to SSE when websocket connect does not open before the connect timeout", async () => {
vi.useFakeTimers();
const token = mockToken();
@@ -1658,10 +1872,6 @@ describe("openai-codex streaming", () => {
it("sends only response input deltas in websocket-cached mode", async () => {
const token = mockToken();
const sentBodies: unknown[] = [];
const responses = [
{ responseId: "resp_1", messageId: "msg_1", text: "Hello" },
{ responseId: "resp_2", messageId: "msg_2", text: "Done" },
];
class MockWebSocket {
static OPEN = 1;
@@ -1687,36 +1897,41 @@ describe("openai-codex streaming", () => {
send(data: string): void {
sentBodies.push(JSON.parse(data));
const response = responses.shift();
if (!response) throw new Error("unexpected websocket request");
const responseId = `resp_${sentBodies.length}`;
const outputEvents =
sentBodies.length === 1
? [
{
type: "response.output_item.added",
item: {
type: "custom_tool_call",
id: "ctc_1",
call_id: "call_1",
name: "sample_tool",
input: "",
},
},
{ type: "response.custom_tool_call_input.delta", item_id: "ctc_1", delta: "abc" },
{ type: "response.custom_tool_call_input.done", item_id: "ctc_1", input: "abc" },
{
type: "response.output_item.done",
item: {
type: "custom_tool_call",
id: "ctc_1",
call_id: "call_1",
name: "sample_tool",
input: "abc",
},
},
]
: [];
const events = [
{ type: "response.created", response: { id: response.responseId } },
{
type: "response.output_item.added",
item: {
type: "message",
id: response.messageId,
role: "assistant",
status: "in_progress",
content: [],
},
},
{ type: "response.content_part.added", part: { type: "output_text", text: "" } },
{ type: "response.output_text.delta", delta: response.text },
{
type: "response.output_item.done",
item: {
type: "message",
id: response.messageId,
role: "assistant",
status: "completed",
content: [{ type: "output_text", text: response.text }],
},
},
{ type: "response.created", response: { id: responseId } },
...outputEvents,
{
type: "response.completed",
response: {
id: response.responseId,
id: responseId,
status: "completed",
usage: {
input_tokens: 5,
@@ -1758,10 +1973,19 @@ describe("openai-codex streaming", () => {
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
contextWindow: 400000,
maxTokens: 128000,
compat: { supportsOpenAIGrammarTools: true },
};
const firstContext: Context = {
systemPrompt: "You are a helpful assistant.",
messages: [{ role: "user", content: "Say hello", timestamp: 1 }],
messages: [{ role: "user", content: "Use the tool", timestamp: 1 }],
tools: [
{
name: "sample_tool",
description: "Sample tool",
parameters: Type.Object({ payload: Type.String() }),
constrainedSampling: { type: "grammar", variants: { openai_lark: "start: /[a-z]+/" } },
},
],
};
const first = await streamOpenAICodexResponses(model, firstContext, {
@@ -1771,8 +1995,20 @@ describe("openai-codex streaming", () => {
}).result();
const secondContext: Context = {
systemPrompt: "You are a helpful assistant.",
messages: [...firstContext.messages, first, { role: "user", content: "Now finish", timestamp: 2 }],
...firstContext,
messages: [
...firstContext.messages,
first,
{
role: "toolResult",
toolCallId: "call_1|ctc_1",
toolName: "sample_tool",
content: [{ type: "text", text: "real result" }],
isError: false,
timestamp: 2,
},
{ role: "user", content: "Now finish", timestamp: 3 },
],
};
await streamOpenAICodexResponses(model, secondContext, {
apiKey: token,
@@ -1785,10 +2021,13 @@ describe("openai-codex streaming", () => {
const secondBody = sentBodies[1] as { input: unknown[]; previous_response_id?: string; store?: boolean };
expect(firstBody.store).toBe(false);
expect(firstBody.previous_response_id).toBeUndefined();
expect(firstBody.input).toEqual([{ role: "user", content: [{ type: "input_text", text: "Say hello" }] }]);
expect(firstBody.input).toEqual([{ role: "user", content: [{ type: "input_text", text: "Use the tool" }] }]);
expect(secondBody.store).toBe(false);
expect(secondBody.previous_response_id).toBe("resp_1");
expect(secondBody.input).toEqual([{ role: "user", content: [{ type: "input_text", text: "Now finish" }] }]);
expect(secondBody.input).toEqual([
{ type: "custom_tool_call_output", call_id: "call_1", output: "real result" },
{ role: "user", content: [{ type: "input_text", text: "Now finish" }] },
]);
expect(getOpenAICodexWebSocketDebugStats("session-1")).toMatchObject({
requests: 2,
connectionsCreated: 1,
@@ -1797,7 +2036,7 @@ describe("openai-codex streaming", () => {
storeTrueRequests: 0,
fullContextRequests: 1,
deltaRequests: 1,
lastDeltaInputItems: 1,
lastDeltaInputItems: 2,
lastPreviousResponseId: "resp_1",
});
});
@@ -2094,6 +2333,46 @@ describe("openai-codex streaming", () => {
expect(codexRequests).toBe(2);
});
it.each([429, 503])("fails immediately when a %i retry delay exceeds the limit", async (status) => {
const token = mockToken();
const fetchMock = vi.fn(
async () =>
new Response(JSON.stringify({ error: { code: "temporarily_unavailable", message: "retry later" } }), {
status,
headers: { "content-type": "application/json", "retry-after": "2" },
}),
);
vi.stubGlobal("fetch", fetchMock);
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 result = await streamOpenAICodexResponses(model, context, {
apiKey: token,
transport: "sse",
maxRetries: 3,
maxRetryDelayMs: 1000,
}).result();
expect(result.stopReason).toBe("error");
expect(result.errorMessage).toBe("Server requested 2s retry delay (max: 1s)");
expect(fetchMock).toHaveBeenCalledTimes(1);
});
it("zstd-compresses SSE request bodies", async () => {
const token = mockToken();
const encoder = new TextEncoder();