use anyhow::Context;
use anyhow::Result;
use chrono::Utc;
use codex_config::config_toml::RealtimeWsVersion;
use codex_core::test_support::auth_manager_from_auth;
use codex_login::CodexAuth;
use codex_login::OPENAI_API_KEY_ENV_VAR;
use codex_protocol::ThreadId;
use codex_protocol::models::ContentItem;
use codex_protocol::models::ResponseItem;
use codex_protocol::protocol::CodexErrorInfo;
use codex_protocol::protocol::ConversationAudioParams;
use codex_protocol::protocol::ConversationStartParams;
use codex_protocol::protocol::ConversationStartTransport;
use codex_protocol::protocol::ConversationTextParams;
use codex_protocol::protocol::ErrorEvent;
use codex_protocol::protocol::EventMsg;
use codex_protocol::protocol::GitInfo;
use codex_protocol::protocol::InitialHistory;
use codex_protocol::protocol::Op;
use codex_protocol::protocol::RealtimeAudioFrame;
use codex_protocol::protocol::RealtimeConversationRealtimeEvent;
use codex_protocol::protocol::RealtimeConversationVersion;
use codex_protocol::protocol::RealtimeEvent;
use codex_protocol::protocol::RealtimeOutputModality;
use codex_protocol::protocol::RealtimeVoice;
use codex_protocol::protocol::RolloutItem;
use codex_protocol::protocol::RolloutLine;
use codex_protocol::protocol::SessionMeta;
use codex_protocol::protocol::SessionMetaLine;
use codex_protocol::protocol::SessionSource;
use codex_protocol::protocol::UserMessageEvent;
use codex_protocol::user_input::UserInput;
use codex_utils_output_truncation::approx_token_count;
use core_test_support::responses;
use core_test_support::responses::WebSocketConnectionConfig;
use core_test_support::responses::start_mock_server;
use core_test_support::responses::start_websocket_server;
use core_test_support::responses::start_websocket_server_with_headers;
use core_test_support::skip_if_no_network;
use core_test_support::streaming_sse::StreamingSseChunk;
use core_test_support::streaming_sse::start_streaming_sse_server;
use core_test_support::test_codex::TestCodex;
use core_test_support::test_codex::test_codex;
use core_test_support::wait_for_event;
use core_test_support::wait_for_event_match;
use pretty_assertions::assert_eq;
use serde_json::Value;
use serde_json::json;
use std::fs;
use std::process::Command;
use std::sync::Arc;
use std::sync::Mutex;
use std::time::Duration;
use tokio::sync::oneshot;
use tokio::time::timeout;
use wiremock::Match;
use wiremock::Mock;
use wiremock::Request as WiremockRequest;
use wiremock::ResponseTemplate;
use wiremock::matchers::method;
use wiremock::matchers::path_regex;
const STARTUP_CONTEXT_HEADER: &str = "Startup context from Codex.";
const STARTUP_CONTEXT_OPEN_TAG: &str = "";
const STARTUP_CONTEXT_CLOSE_TAG: &str = "";
const REALTIME_BACKEND_PROMPT: &str = include_str!("../../templates/realtime/backend_prompt.md");
const USER_FIRST_NAME_PLACEHOLDER: &str = "{{ user_first_name }}";
const MEMORY_PROMPT_PHRASE: &str =
"You have access to a memory folder with guidance from prior runs.";
const REALTIME_CONVERSATION_TEST_SUBPROCESS_ENV_VAR: &str =
"CODEX_REALTIME_CONVERSATION_TEST_SUBPROCESS";
const WEBSOCKET_REQUEST_TIMEOUT: Duration = Duration::from_secs(30);
#[derive(Debug, Clone)]
struct RealtimeCallRequestCapture {
requests: Arc>>,
}
impl RealtimeCallRequestCapture {
fn new() -> Self {
Self {
requests: Arc::new(Mutex::new(Vec::new())),
}
}
fn single_request(&self) -> WiremockRequest {
let requests = self
.requests
.lock()
.unwrap_or_else(std::sync::PoisonError::into_inner);
assert_eq!(requests.len(), 1, "expected one realtime call request");
requests[0].clone()
}
}
impl Match for RealtimeCallRequestCapture {
fn matches(&self, request: &WiremockRequest) -> bool {
self.requests
.lock()
.unwrap_or_else(std::sync::PoisonError::into_inner)
.push(request.clone());
true
}
}
fn normalized_json_string(raw: &str) -> Result {
let value: Value = serde_json::from_str(raw).context("expected JSON fixture to parse")?;
serde_json::to_string(&value).context("expected JSON fixture to serialize")
}
fn websocket_request_text(
request: &core_test_support::responses::WebSocketRequest,
) -> Option {
request.body_json()["item"]["content"][0]["text"]
.as_str()
.map(str::to_owned)
}
fn websocket_request_instructions(
request: &core_test_support::responses::WebSocketRequest,
) -> Option {
request.body_json()["session"]["instructions"]
.as_str()
.map(str::to_owned)
}
fn expected_realtime_backend_prompt() -> String {
REALTIME_BACKEND_PROMPT
.trim_end()
.replace(USER_FIRST_NAME_PLACEHOLDER, &test_user_first_name())
}
fn test_user_first_name() -> String {
[whoami::realname(), whoami::username()]
.into_iter()
.filter_map(|name| name.split_whitespace().next().map(str::to_string))
.find(|name| !name.is_empty())
.unwrap_or_else(|| "there".to_string())
}
async fn wait_for_matching_websocket_request(
server: &core_test_support::responses::WebSocketTestServer,
description: &str,
predicate: F,
) -> core_test_support::responses::WebSocketRequest
where
F: Fn(&core_test_support::responses::WebSocketRequest) -> bool,
{
let deadline = tokio::time::Instant::now() + WEBSOCKET_REQUEST_TIMEOUT;
loop {
if let Some(request) = server
.connections()
.iter()
.flat_map(|connection| connection.iter())
.find(|request| predicate(request))
.cloned()
{
return request;
}
assert!(
tokio::time::Instant::now() < deadline,
"timed out waiting for {description}"
);
tokio::time::sleep(Duration::from_millis(10)).await;
}
}
fn run_realtime_conversation_test_in_subprocess(
test_name: &str,
openai_api_key: Option<&str>,
) -> Result<()> {
let mut command = Command::new(std::env::current_exe()?);
command
.arg("--exact")
.arg(test_name)
.env(REALTIME_CONVERSATION_TEST_SUBPROCESS_ENV_VAR, "1");
match openai_api_key {
Some(openai_api_key) => {
command.env(OPENAI_API_KEY_ENV_VAR, openai_api_key);
}
None => {
command.env_remove(OPENAI_API_KEY_ENV_VAR);
}
}
let output = command.output()?;
assert!(
output.status.success(),
"subprocess test `{test_name}` failed\nstdout:\n{}\nstderr:\n{}",
String::from_utf8_lossy(&output.stdout),
String::from_utf8_lossy(&output.stderr),
);
Ok(())
}
async fn seed_recent_thread(
test: &TestCodex,
title: &str,
first_user_message: &str,
slug: &str,
) -> Result<()> {
let db = test.codex.state_db().context("state db enabled")?;
let thread_id = ThreadId::new();
let updated_at = Utc::now();
let rollout_dir = test
.codex_home_path()
.join("sessions")
.join(updated_at.format("%Y/%m/%d").to_string());
fs::create_dir_all(&rollout_dir)?;
let rollout_path = rollout_dir.join(format!(
"rollout-{}-{thread_id}.jsonl",
updated_at.format("%Y-%m-%dT%H-%M-%S")
));
let mut metadata_builder = codex_state::ThreadMetadataBuilder::new(
thread_id,
rollout_path.clone(),
updated_at,
SessionSource::Cli,
);
metadata_builder.cwd = test.workspace_path(format!("workspace-{slug}"));
metadata_builder.model_provider = Some("test-provider".to_string());
metadata_builder.git_branch = Some(format!("branch-{slug}"));
let mut metadata = metadata_builder.build("test-provider");
metadata.title = title.to_string();
metadata.first_user_message = Some(first_user_message.to_string());
let timestamp = updated_at.to_rfc3339();
let session_meta = RolloutLine {
timestamp: timestamp.clone(),
item: RolloutItem::SessionMeta(SessionMetaLine {
meta: SessionMeta {
id: thread_id,
timestamp: timestamp.clone(),
cwd: metadata.cwd.clone(),
originator: "cli".to_string(),
cli_version: "0.0.0".to_string(),
source: SessionSource::Cli,
model_provider: Some("test-provider".to_string()),
..Default::default()
},
git: Some(GitInfo {
commit_hash: None,
branch: metadata.git_branch.clone(),
repository_url: None,
}),
}),
};
let user_message = RolloutLine {
timestamp,
item: RolloutItem::EventMsg(EventMsg::UserMessage(UserMessageEvent {
message: first_user_message.to_string(),
images: None,
local_images: Vec::new(),
text_elements: Vec::new(),
})),
};
fs::write(
&rollout_path,
format!(
"{}\n{}\n",
serde_json::to_string(&session_meta)?,
serde_json::to_string(&user_message)?
),
)?;
db.upsert_thread(&metadata).await?;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_start_audio_text_close_round_trip() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![
vec![json!({
"type": "session.updated",
"session": { "id": "sess_1", "instructions": "backend prompt" }
})],
vec![],
vec![
json!({
"type": "conversation.output_audio.delta",
"delta": "AQID",
"sample_rate": 24000,
"channels": 1
}),
json!({
"type": "conversation.item.added",
"item": {
"type": "message",
"role": "assistant",
"content": [{"type": "text", "text": "hi"}]
}
}),
],
],
])
.await;
let mut builder = test_codex();
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let started = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationStarted(started) => Some(Ok(started.clone())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("conversation start failed: {err:?}"));
assert!(started.session_id.is_some());
assert_eq!(started.version, RealtimeConversationVersion::V1);
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_1");
test.codex
.submit(Op::RealtimeConversationAudio(ConversationAudioParams {
frame: RealtimeAudioFrame {
data: "AQID".to_string(),
sample_rate: 24000,
num_channels: 1,
samples_per_channel: Some(480),
item_id: None,
},
}))
.await?;
test.codex
.submit(Op::RealtimeConversationText(ConversationTextParams {
text: "hello".to_string(),
}))
.await?;
let audio_out = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::AudioOut(frame),
}) => Some(frame.clone()),
_ => None,
})
.await;
assert_eq!(audio_out.data, "AQID");
let connections = server.connections();
assert_eq!(connections.len(), 2);
let connection = &connections[1];
assert_eq!(connection.len(), 3);
assert_eq!(
connection[0].body_json()["type"].as_str(),
Some("session.update")
);
assert_eq!(
connection[0].body_json()["session"]["audio"]["output"]["voice"],
"cove"
);
let initial_instructions = websocket_request_instructions(&connection[0])
.expect("initial session update instructions");
assert!(initial_instructions.starts_with("backend prompt"));
assert_eq!(
server.handshakes()[1]
.header("x-session-id")
.expect("session.update x-session-id header"),
started
.session_id
.as_deref()
.expect("started session id should be present")
);
assert_eq!(
server.handshakes()[1].header("authorization").as_deref(),
Some("Bearer dummy")
);
assert_eq!(
server.handshakes()[1].uri(),
"/v1/realtime?intent=quicksilver&model=realtime-test-model"
);
let mut request_types = [
connection[1].body_json()["type"]
.as_str()
.expect("request type")
.to_string(),
connection[2].body_json()["type"]
.as_str()
.expect("request type")
.to_string(),
];
request_types.sort();
assert_eq!(
request_types,
[
"conversation.item.create".to_string(),
"input_audio_buffer.append".to_string(),
]
);
test.codex.submit(Op::RealtimeConversationClose).await?;
let closed = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await;
assert!(matches!(
closed.reason.as_deref(),
Some("requested" | "transport_closed")
));
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_start_defaults_to_v2_and_gpt_realtime_1_5() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let realtime_server = start_websocket_server(vec![vec![vec![]]]).await;
let realtime_base_url = realtime_server.uri().to_string();
let mut builder = test_codex().with_config(move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.experimental_realtime_ws_startup_context = Some(String::new());
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let started = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationStarted(started) => Some(Ok(started.clone())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("conversation start failed: {err:?}"));
assert!(
realtime_server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
let session_update = realtime_server
.wait_for_request(/*connection_index*/ 0, /*request_index*/ 0)
.await;
let body = session_update.body_json();
assert_eq!(
json!({
"startedVersion": started.version,
"handshakeUri": realtime_server.single_handshake().uri(),
"voice": body["session"]["audio"]["output"]["voice"],
"instructions": body["session"]["instructions"],
}),
json!({
"startedVersion": RealtimeConversationVersion::V2,
"handshakeUri": "/v1/realtime?model=gpt-realtime-1.5",
"voice": "marin",
"instructions": "backend prompt",
})
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_webrtc_start_posts_generated_session() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_mock_server().await;
let capture = RealtimeCallRequestCapture::new();
Mock::given(method("POST"))
.and(path_regex(".*/realtime/calls$"))
.and(capture.clone())
.respond_with(
ResponseTemplate::new(200)
.insert_header("Location", "/v1/realtime/calls/calls/rtc_core_test")
.set_body_string("v=answer\r\n"),
)
.mount(&server)
.await;
let realtime_server = start_websocket_server_with_headers(vec![WebSocketConnectionConfig {
requests: vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_webrtc", "instructions": "backend prompt" }
})]],
response_headers: Vec::new(),
accept_delay: None,
close_after_requests: false,
}])
.await;
let realtime_ws_base_url = realtime_server.uri().to_string();
let mut builder = test_codex().with_config(move |config| {
config.experimental_realtime_ws_backend_prompt = Some("backend prompt".to_string());
config.experimental_realtime_ws_model = Some("realtime-test-model".to_string());
config.experimental_realtime_ws_startup_context = Some("startup context".to_string());
config.experimental_realtime_ws_base_url = Some(realtime_ws_base_url);
config.realtime.version = RealtimeWsVersion::V1;
});
let test = builder.build(&server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: Some(ConversationStartTransport::Webrtc {
sdp: "v=offer\r\n".to_string(),
}),
voice: None,
}))
.await?;
// Phase 1: the client gets the SDP answer that configures its peer connection, and then the
// normal realtime event stream from the joined sideband WebSocket.
let created = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationSdp(created) => Some(Ok(created.clone())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("conversation call create failed: {err:?}"));
assert_eq!(created.sdp, "v=answer\r\n");
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_webrtc");
// Phase 2: call creation posts the offer and generated session together, so the media leg can
// begin inference before the sideband WebSocket is ready.
let request = capture.single_request();
assert_eq!(request.url.path(), "/v1/realtime/calls");
assert_eq!(request.url.query(), None);
assert_eq!(
request
.headers
.get("authorization")
.and_then(|value| value.to_str().ok()),
Some("Bearer dummy")
);
assert_eq!(
request
.headers
.get("content-type")
.and_then(|value| value.to_str().ok()),
Some("multipart/form-data; boundary=codex-realtime-call-boundary")
);
let body = String::from_utf8(request.body).context("multipart body should be utf-8")?;
let session = r#"{"audio":{"input":{"format":{"type":"audio/pcm","rate":24000}},"output":{"voice":"cove"}},"type":"quicksilver","model":"realtime-test-model","instructions":"backend prompt\n\nstartup context"}"#;
let session = normalized_json_string(session)?;
assert_eq!(
body,
format!(
"--codex-realtime-call-boundary\r\n\
Content-Disposition: form-data; name=\"sdp\"\r\n\
Content-Type: application/sdp\r\n\
\r\n\
v=offer\r\n\
\r\n\
--codex-realtime-call-boundary\r\n\
Content-Disposition: form-data; name=\"session\"\r\n\
Content-Type: application/json\r\n\
\r\n\
{session}\r\n\
--codex-realtime-call-boundary--\r\n"
)
);
// Phase 3: the server joins that same call over the direct sideband WebSocket, sends the
// ordinary session.update, and keeps the conversation alive until the client closes it.
let session_update = realtime_server
.wait_for_request(/*connection_index*/ 0, /*request_index*/ 0)
.await;
assert_eq!(
session_update.body_json()["type"].as_str(),
Some("session.update")
);
assert!(
websocket_request_instructions(&session_update)
.context("session.update should include instructions")?
.contains("startup context")
);
let handshake = realtime_server.single_handshake();
assert_eq!(
handshake.uri(),
"/v1/realtime?intent=quicksilver&call_id=rtc_core_test"
);
assert_eq!(
handshake.header("authorization").as_deref(),
Some("Bearer dummy")
);
test.codex.submit(Op::RealtimeConversationClose).await?;
let closed = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await;
assert!(matches!(
closed.reason.as_deref(),
Some("requested" | "transport_closed")
));
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_start_uses_openai_env_key_fallback_with_chatgpt_auth() -> Result<()> {
if std::env::var_os(REALTIME_CONVERSATION_TEST_SUBPROCESS_ENV_VAR).is_none() {
return run_realtime_conversation_test_in_subprocess(
"suite::realtime_conversation::conversation_start_uses_openai_env_key_fallback_with_chatgpt_auth",
Some("env-realtime-key"),
);
}
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_env", "instructions": "backend prompt" }
})]],
])
.await;
let mut builder = test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing());
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let started = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationStarted(started) => Some(Ok(started.clone())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("conversation start failed: {err:?}"));
assert!(started.session_id.is_some());
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_env");
assert_eq!(
server.handshakes()[1].header("authorization").as_deref(),
Some("Bearer env-realtime-key")
);
test.codex.submit(Op::RealtimeConversationClose).await?;
let _closed = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await;
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_transport_close_emits_closed_event() -> Result<()> {
skip_if_no_network!(Ok(()));
let session_updated = vec![json!({
"type": "session.updated",
"session": { "id": "sess_1", "instructions": "backend prompt" }
})];
let server = start_websocket_server(vec![vec![], vec![session_updated]]).await;
let mut builder = test_codex();
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let started = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationStarted(started) => Some(Ok(started.clone())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("conversation start failed: {err:?}"));
assert!(started.session_id.is_some());
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_1");
let closed = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await;
assert_eq!(closed.reason.as_deref(), Some("transport_closed"));
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_audio_before_start_emits_error() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![]).await;
let mut builder = test_codex();
let test = builder.build_with_websocket_server(&server).await?;
test.codex
.submit(Op::RealtimeConversationAudio(ConversationAudioParams {
frame: RealtimeAudioFrame {
data: "AQID".to_string(),
sample_rate: 24000,
num_channels: 1,
samples_per_channel: Some(480),
item_id: None,
},
}))
.await?;
let err = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::Error(err) => Some(err.clone()),
_ => None,
})
.await;
assert_eq!(err.codex_error_info, Some(CodexErrorInfo::BadRequest));
assert_eq!(err.message, "conversation is not running");
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_start_preflight_failure_emits_realtime_error_only() -> Result<()> {
if std::env::var_os(REALTIME_CONVERSATION_TEST_SUBPROCESS_ENV_VAR).is_none() {
return run_realtime_conversation_test_in_subprocess(
"suite::realtime_conversation::conversation_start_preflight_failure_emits_realtime_error_only",
/*openai_api_key*/ None,
);
}
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![]).await;
let mut builder = test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing());
let test = builder.build_with_websocket_server(&server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let err = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::Error(message),
}) => Some(message.clone()),
_ => None,
})
.await;
assert_eq!(err, "realtime conversation requires API key auth");
let closed = timeout(Duration::from_millis(200), async {
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await
})
.await;
assert!(closed.is_err(), "preflight failure should not emit closed");
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_start_connect_failure_emits_realtime_error_only() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![]).await;
let mut builder = test_codex().with_config(|config| {
config.experimental_realtime_ws_base_url = Some("http://127.0.0.1:1".to_string());
config.realtime.version = RealtimeWsVersion::V1;
});
let test = builder.build_with_websocket_server(&server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let err = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::Error(message),
}) => Some(message.clone()),
_ => None,
})
.await;
assert!(!err.is_empty());
let closed = timeout(Duration::from_millis(200), async {
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await
})
.await;
assert!(closed.is_err(), "connect failure should not emit closed");
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_text_before_start_emits_error() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![]).await;
let mut builder = test_codex();
let test = builder.build_with_websocket_server(&server).await?;
test.codex
.submit(Op::RealtimeConversationText(ConversationTextParams {
text: "hello".to_string(),
}))
.await?;
let err = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::Error(err) => Some(err.clone()),
_ => None,
})
.await;
assert_eq!(err.codex_error_info, Some(CodexErrorInfo::BadRequest));
assert_eq!(err.message, "conversation is not running");
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_second_start_replaces_runtime() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_old", "instructions": "old" }
})]],
vec![
vec![json!({
"type": "session.updated",
"session": { "id": "sess_new", "instructions": "new" }
})],
vec![json!({
"type": "conversation.output_audio.delta",
"delta": "AQID",
"sample_rate": 24000,
"channels": 1
})],
],
])
.await;
let mut builder = test_codex();
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("old".to_string())),
session_id: Some("conv_old".to_string()),
transport: None,
voice: None,
}))
.await?;
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_old" => Some(Ok(())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("first conversation start failed: {err:?}"));
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("new".to_string())),
session_id: Some("conv_new".to_string()),
transport: None,
voice: None,
}))
.await?;
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_new" => Some(Ok(())),
EventMsg::Error(err) => Some(Err(err.clone())),
_ => None,
})
.await
.unwrap_or_else(|err: ErrorEvent| panic!("second conversation start failed: {err:?}"));
test.codex
.submit(Op::RealtimeConversationAudio(ConversationAudioParams {
frame: RealtimeAudioFrame {
data: "AQID".to_string(),
sample_rate: 24000,
num_channels: 1,
samples_per_channel: Some(480),
item_id: None,
},
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::AudioOut(frame),
}) if frame.data == "AQID" => Some(()),
_ => None,
})
.await;
let connections = server.connections();
assert_eq!(connections.len(), 3);
assert_eq!(connections[1].len(), 1);
let old_instructions =
websocket_request_instructions(&connections[1][0]).expect("old session instructions");
assert!(old_instructions.starts_with("old"));
assert_eq!(
server.handshakes()[1].header("x-session-id").as_deref(),
Some("conv_old")
);
assert_eq!(connections[2].len(), 2);
let new_instructions =
websocket_request_instructions(&connections[2][0]).expect("new session instructions");
assert!(new_instructions.starts_with("new"));
assert_eq!(
server.handshakes()[2].header("x-session-id").as_deref(),
Some("conv_new")
);
assert_eq!(
connections[2][1].body_json()["type"].as_str(),
Some("input_audio_buffer.append")
);
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_experimental_realtime_ws_base_url_override() -> Result<()> {
skip_if_no_network!(Ok(()));
let startup_server = start_websocket_server(vec![vec![]]).await;
let realtime_server = start_websocket_server(vec![vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_override", "instructions": "backend prompt" }
})]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_websocket_server(&startup_server).await?;
assert!(
startup_server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_override");
let startup_connections = startup_server.connections();
assert_eq!(startup_connections.len(), 1);
let realtime_connections = realtime_server.connections();
assert_eq!(realtime_connections.len(), 1);
assert_eq!(
realtime_connections[0][0].body_json()["type"].as_str(),
Some("session.update")
);
startup_server.shutdown().await;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_default_realtime_backend_prompt() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_default", "instructions": "default" }
})]],
])
.await;
let mut builder = test_codex().with_config(|config| {
config.experimental_realtime_ws_startup_context =
Some("controlled startup context".to_string());
});
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: None,
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_default");
let connections = server.connections();
assert_eq!(connections.len(), 2);
let instructions =
websocket_request_instructions(&connections[1][0]).expect("default session instructions");
assert_eq!(
instructions,
format!(
"{}\n\ncontrolled startup context",
expected_realtime_backend_prompt()
)
);
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_empty_instructions_for_null_or_empty_prompt() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_null", "instructions": "" }
})]],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_empty", "instructions": "" }
})]],
])
.await;
let mut builder = test_codex().with_config(|config| {
config.experimental_realtime_ws_startup_context = Some(String::new());
});
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
for (prompt, expected_session_id) in [
(Some(None), "sess_null"),
(Some(Some(String::new())), "sess_empty"),
] {
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt,
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, expected_session_id);
test.codex.submit(Op::RealtimeConversationClose).await?;
let _closed = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await;
}
let connections = server.connections();
assert_eq!(connections.len(), 3);
let null_instructions =
websocket_request_instructions(&connections[1][0]).expect("null prompt instructions");
let empty_instructions =
websocket_request_instructions(&connections[2][0]).expect("empty prompt instructions");
assert_eq!(null_instructions, "");
assert_eq!(empty_instructions, "");
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_explicit_start_voice() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_voice", "instructions": "backend prompt" }
})]],
])
.await;
let test = test_codex().build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: Some(RealtimeVoice::Breeze),
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_voice");
let connections = server.connections();
assert_eq!(
connections[1][0].body_json()["session"]["audio"]["output"]["voice"],
"breeze"
);
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_configured_realtime_voice() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_config_voice", "instructions": "backend prompt" }
})]],
])
.await;
let mut builder = test_codex().with_config(|config| {
config.realtime.voice = Some(RealtimeVoice::Cove);
});
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_config_voice");
let connections = server.connections();
assert_eq!(
connections[1][0].body_json()["session"]["audio"]["output"]["voice"],
"cove"
);
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_rejects_voice_for_wrong_realtime_version() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let mut builder = test_codex().with_config(|config| {
config.realtime.version = RealtimeWsVersion::V2;
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: Some(RealtimeVoice::Cove),
}))
.await?;
let error = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::Error(message),
}) => Some(message.clone()),
_ => None,
})
.await;
assert!(error.contains("realtime voice `cove` is not supported for v2"));
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_experimental_realtime_ws_backend_prompt_override() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = start_websocket_server(vec![
vec![],
vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_override", "instructions": "prompt from config" }
})]],
])
.await;
let mut builder = test_codex().with_config(|config| {
config.experimental_realtime_ws_backend_prompt = Some("prompt from config".to_string());
});
let test = builder.build_with_websocket_server(&server).await?;
assert!(
server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("prompt from op".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_override");
let connections = server.connections();
assert_eq!(connections.len(), 2);
let overridden_instructions = websocket_request_instructions(&connections[1][0])
.expect("overridden session instructions");
assert!(overridden_instructions.starts_with("prompt from config"));
server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_uses_experimental_realtime_ws_startup_context_override() -> Result<()> {
skip_if_no_network!(Ok(()));
let startup_server = start_websocket_server(vec![vec![]]).await;
let realtime_server = start_websocket_server(vec![vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_custom_context", "instructions": "prompt from config" }
})]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
config.experimental_realtime_ws_backend_prompt = Some("prompt from config".to_string());
config.experimental_realtime_ws_startup_context =
Some("custom startup context".to_string());
}
});
let test = builder.build_with_websocket_server(&startup_server).await?;
seed_recent_thread(
&test,
"Recent work: cleaned up startup flows and reviewed websocket routing.",
"Investigate realtime startup context",
"custom-context",
)
.await?;
fs::create_dir_all(test.workspace_path("docs"))?;
fs::write(test.workspace_path("README.md"), "workspace marker")?;
assert!(
startup_server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("prompt from op".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let startup_context_request = wait_for_matching_websocket_request(
&realtime_server,
"startup context request with instructions",
|request| websocket_request_instructions(request).is_some(),
)
.await;
let instructions = websocket_request_instructions(&startup_context_request)
.expect("custom startup context request should contain instructions");
assert_eq!(instructions, "prompt from config\n\ncustom startup context");
assert!(!instructions.contains(STARTUP_CONTEXT_HEADER));
assert!(!instructions.contains("## Machine / Workspace Map"));
startup_server.shutdown().await;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_disables_realtime_startup_context_with_empty_override() -> Result<()> {
skip_if_no_network!(Ok(()));
let startup_server = start_websocket_server(vec![vec![]]).await;
let realtime_server = start_websocket_server(vec![vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_no_context", "instructions": "prompt from config" }
})]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
config.experimental_realtime_ws_backend_prompt = Some("prompt from config".to_string());
config.experimental_realtime_ws_startup_context = Some(String::new());
}
});
let test = builder.build_with_websocket_server(&startup_server).await?;
seed_recent_thread(
&test,
"Recent work: cleaned up startup flows and reviewed websocket routing.",
"Investigate realtime startup context",
"no-context",
)
.await?;
fs::create_dir_all(test.workspace_path("docs"))?;
fs::write(test.workspace_path("README.md"), "workspace marker")?;
assert!(
startup_server
.wait_for_handshakes(/*expected*/ 1, Duration::from_secs(2))
.await
);
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("prompt from op".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let startup_context_request = wait_for_matching_websocket_request(
&realtime_server,
"startup context disable request with instructions",
|request| websocket_request_instructions(request).is_some(),
)
.await;
let instructions = websocket_request_instructions(&startup_context_request)
.expect("startup context disable request should contain instructions");
assert_eq!(instructions, "prompt from config");
assert!(!instructions.contains(STARTUP_CONTEXT_HEADER));
assert!(!instructions.contains("## Machine / Workspace Map"));
startup_server.shutdown().await;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_start_injects_startup_context_from_thread_history() -> Result<()> {
skip_if_no_network!(Ok(()));
let startup_server = start_websocket_server(vec![vec![]]).await;
let realtime_server = start_websocket_server(vec![vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_context", "instructions": "backend prompt" }
})]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_websocket_server(&startup_server).await?;
seed_recent_thread(
&test,
"Recent work: cleaned up startup flows and reviewed websocket routing.",
"Investigate realtime startup context",
"latest",
)
.await?;
fs::create_dir_all(test.workspace_path("docs"))?;
fs::write(test.workspace_path("README.md"), "workspace marker")?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let startup_context_request = wait_for_matching_websocket_request(
&realtime_server,
"startup context request with instructions",
|request| websocket_request_instructions(request).is_some(),
)
.await;
let startup_context = websocket_request_instructions(&startup_context_request)
.expect("startup context request should contain instructions");
assert!(startup_context.contains(STARTUP_CONTEXT_OPEN_TAG));
assert!(startup_context.contains(STARTUP_CONTEXT_CLOSE_TAG));
assert!(startup_context.contains(STARTUP_CONTEXT_HEADER));
assert!(!startup_context.contains("## User"));
assert!(startup_context.contains("### "));
assert!(startup_context.contains("Recent sessions: 1"));
assert!(startup_context.contains("Latest branch: branch-latest"));
assert!(startup_context.contains("User asks:"));
assert!(startup_context.contains("Investigate realtime startup context"));
assert!(startup_context.contains("## Machine / Workspace Map"));
assert!(startup_context.contains("README.md"));
assert!(!startup_context.contains(MEMORY_PROMPT_PHRASE));
startup_server.shutdown().await;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_startup_context_current_thread_selects_many_turns_by_budget() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let realtime_server = start_websocket_server(vec![vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_current_thread_budget", "instructions": "backend prompt" }
})]]])
.await;
let latest_long_user_turn = format!(
"latest-long-start {} latest-long-middle {} latest-long-end",
"head detail ".repeat(120),
"tail detail ".repeat(170),
);
let mut user_turns = (1..=7)
.map(|index| {
format!(
"short-turn-{index}-start {} short-turn-{index}-end",
"detail ".repeat(86)
)
})
.collect::>();
user_turns.push(latest_long_user_turn.clone());
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build(&api_server).await?;
// Seed completed turns through a resumed thread so this remains an
// end-to-end startup-context test without paying for a model turn per
// fixture entry in platform CI.
let history = user_turns
.into_iter()
.enumerate()
.flat_map(|(index, user_turn)| {
let turn_number = index + 1;
let assistant_turn = format!("assistant turn {turn_number}");
[
RolloutItem::ResponseItem(ResponseItem::Message {
id: None,
role: "user".to_string(),
content: vec![ContentItem::InputText { text: user_turn }],
end_turn: None,
phase: None,
}),
RolloutItem::ResponseItem(ResponseItem::Message {
id: None,
role: "assistant".to_string(),
content: vec![ContentItem::OutputText {
text: assistant_turn,
}],
end_turn: None,
phase: None,
}),
]
})
.collect::>();
test.codex.shutdown_and_wait().await?;
let resumed_thread = test
.thread_manager
.resume_thread_with_history(
test.config.clone(),
InitialHistory::Forked(history),
auth_manager_from_auth(CodexAuth::from_api_key("dummy")),
/*persist_extended_history*/ false,
/*parent_trace*/ None,
)
.await?;
let codex = resumed_thread.thread;
codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let startup_context_request = wait_for_matching_websocket_request(
&realtime_server,
"current thread budget startup context request with instructions",
|request| websocket_request_instructions(request).is_some(),
)
.await;
let startup_context = websocket_request_instructions(&startup_context_request)
.expect("startup context request should contain instructions");
// Isolate only the Current Thread section; the startup prompt may also include
// workspace and notes sections after it.
let current_thread_start = startup_context
.find("## Current Thread")
.expect("startup context should include current thread section");
let current_thread_and_rest = &startup_context[current_thread_start..];
let current_thread_end = [
"\n## Recent Work",
"\n## Machine / Workspace Map",
"\n## Notes",
]
.iter()
.filter_map(|marker| current_thread_and_rest.find(marker))
.min()
.unwrap_or(current_thread_and_rest.len());
let current_thread = ¤t_thread_and_rest[..current_thread_end];
let rendered_turns = current_thread
.split("\n### ")
.skip(1)
.map(|turn| format!("### {turn}"))
.collect::>();
let over_budget_turns = rendered_turns
.iter()
.filter_map(|turn| {
let token_count = turn.len().div_ceil(4);
(token_count > 300).then(|| {
(
turn.lines().next().unwrap_or_default().to_string(),
token_count,
)
})
})
.collect::>();
let latest_rendered_source =
format!("### Latest turn\nUser:\n{latest_long_user_turn}\n\nAssistant:\nassistant turn 8");
// Snapshot the actual section so turn order, oldest-first omission, and
// start/end truncation behavior are reviewed together.
let snapshot = format!(
"latest_source_tokens: {}\nrendered_turn_count: {}\nover_budget_turns: {over_budget_turns:?}\n\n{current_thread}",
latest_rendered_source.len().div_ceil(4),
rendered_turns.len(),
);
insta::assert_snapshot!(
"conversation_startup_context_current_thread_selects_many_turns_by_budget",
snapshot
);
// The input includes a turn over 300 approximate tokens, and every rendered
// turn still fits the per-turn cap after labels and truncation markers.
assert_eq!(
(
latest_rendered_source.len().div_ceil(4) > 300,
over_budget_turns,
),
(true, Vec::<(String, usize)>::new()),
);
codex.shutdown_and_wait().await?;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_startup_context_falls_back_to_workspace_map() -> Result<()> {
skip_if_no_network!(Ok(()));
let startup_server = start_websocket_server(vec![vec![]]).await;
let realtime_server = start_websocket_server(vec![vec![vec![json!({
"type": "session.updated",
"session": { "id": "sess_workspace", "instructions": "backend prompt" }
})]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_websocket_server(&startup_server).await?;
fs::create_dir_all(test.workspace_path("codex-rs/core"))?;
fs::write(test.workspace_path("notes.txt"), "workspace marker")?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let startup_context_request = wait_for_matching_websocket_request(
&realtime_server,
"workspace-map startup context request with instructions",
|request| websocket_request_instructions(request).is_some(),
)
.await;
let startup_context = websocket_request_instructions(&startup_context_request)
.expect("startup context request should contain instructions");
assert!(startup_context.contains(STARTUP_CONTEXT_OPEN_TAG));
assert!(startup_context.contains(STARTUP_CONTEXT_CLOSE_TAG));
assert!(startup_context.contains(STARTUP_CONTEXT_HEADER));
assert!(startup_context.contains("## Machine / Workspace Map"));
assert!(startup_context.contains("notes.txt"));
assert!(startup_context.contains("codex-rs/"));
startup_server.shutdown().await;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_startup_context_is_truncated_and_sent_once_per_start() -> Result<()> {
skip_if_no_network!(Ok(()));
let startup_server = start_websocket_server(vec![vec![]]).await;
let realtime_server = start_websocket_server(vec![vec![
vec![json!({
"type": "session.updated",
"session": { "id": "sess_truncated", "instructions": "backend prompt" }
})],
vec![],
]])
.await;
let oversized_summary = "recent work ".repeat(3_500);
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_websocket_server(&startup_server).await?;
seed_recent_thread(&test, &oversized_summary, "summary", "oversized").await?;
fs::write(test.workspace_path("marker.txt"), "marker")?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let startup_context_request = wait_for_matching_websocket_request(
&realtime_server,
"truncated startup context request with instructions",
|request| websocket_request_instructions(request).is_some(),
)
.await;
let startup_context = websocket_request_instructions(&startup_context_request)
.expect("startup context request should contain instructions");
assert!(startup_context.contains(STARTUP_CONTEXT_OPEN_TAG));
assert!(startup_context.contains(STARTUP_CONTEXT_CLOSE_TAG));
assert!(startup_context.contains(STARTUP_CONTEXT_HEADER));
assert!(startup_context.len() <= 20_500);
test.codex
.submit(Op::RealtimeConversationText(ConversationTextParams {
text: "hello".to_string(),
}))
.await?;
let explicit_text_request = wait_for_matching_websocket_request(
&realtime_server,
"explicit realtime text request",
|request| websocket_request_text(request).as_deref() == Some("hello"),
)
.await;
assert_eq!(
websocket_request_text(&explicit_text_request),
Some("hello".to_string())
);
startup_server.shutdown().await;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_user_text_turn_is_sent_to_realtime_when_active() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let response_mock = responses::mount_sse_once(
&api_server,
responses::sse(vec![
responses::ev_response_created("resp_user_text"),
responses::ev_assistant_message("msg_user_text", "ack"),
responses::ev_completed("resp_user_text"),
]),
)
.await;
let realtime_server = start_websocket_server(vec![vec![
vec![json!({
"type": "session.updated",
"session": { "id": "sess_user_text", "instructions": "backend prompt" }
})],
vec![],
]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.experimental_realtime_ws_startup_context = Some(String::new());
}
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_user_text");
let user_text = "typed follow-up for realtime";
let prefixed_user_text = format!("[USER] {user_text}");
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: user_text.to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
responsesapi_client_metadata: None,
})
.await?;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let realtime_text_request = wait_for_matching_websocket_request(
&realtime_server,
"normal user turn text mirrored to realtime",
|request| websocket_request_text(request).as_deref() == Some(prefixed_user_text.as_str()),
)
.await;
let model_user_texts = response_mock.single_request().message_input_texts("user");
assert_eq!(
(
model_user_texts.iter().any(|text| text == user_text),
websocket_request_text(&realtime_text_request),
),
(true, Some(prefixed_user_text)),
);
let realtime_response_create = timeout(Duration::from_millis(200), async {
wait_for_matching_websocket_request(
&realtime_server,
"unexpected realtime response request for mirrored user text",
|request| request.body_json()["type"].as_str() == Some("response.create"),
)
.await
})
.await;
assert!(
realtime_response_create.is_err(),
"mirrored user text should not request a realtime response"
);
let realtime_request_body = realtime_text_request.body_json();
let content = &realtime_request_body["item"]["content"][0];
let snapshot = format!(
"type: {}\nitem.type: {}\nitem.role: {}\ncontent[0].type: {}\ncontent[0].text: {}\nresponse.create: {}",
realtime_request_body["type"].as_str().unwrap_or_default(),
realtime_request_body["item"]["type"]
.as_str()
.unwrap_or_default(),
realtime_request_body["item"]["role"]
.as_str()
.unwrap_or_default(),
content["type"].as_str().unwrap_or_default(),
content["text"].as_str().unwrap_or_default(),
realtime_response_create.is_ok(),
);
insta::assert_snapshot!(
"conversation_user_text_turn_is_sent_to_realtime_when_active",
snapshot
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_user_text_turn_is_capped_when_mirrored_to_realtime() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let response_mock = responses::mount_sse_once(
&api_server,
responses::sse(vec![
responses::ev_response_created("resp_long_user_text"),
responses::ev_assistant_message("msg_long_user_text", "ack"),
responses::ev_completed("resp_long_user_text"),
]),
)
.await;
let realtime_server = start_websocket_server(vec![vec![
vec![json!({
"type": "session.updated",
"session": { "id": "sess_long_user_text", "instructions": "backend prompt" }
})],
vec![],
]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.experimental_realtime_ws_startup_context = Some(String::new());
}
});
let test = builder.build(&api_server).await?;
// Phase 1: start realtime so the next normal user turn mirrors over the
// active WebSocket session.
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_long_user_text");
// Phase 2: submit one oversized text turn. The model request should keep
// the exact user text, while the realtime mirror should get the capped copy.
let user_text = format!(
"mirror-head {} mirror-middle {} mirror-tail",
"alpha ".repeat(900),
"omega ".repeat(900),
);
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: user_text.clone(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
responsesapi_client_metadata: None,
})
.await?;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
// Phase 3: capture the mirrored WebSocket item; the snapshot below records
// the capped payload shape.
let realtime_text_request = wait_for_matching_websocket_request(
&realtime_server,
"capped normal user turn text mirrored to realtime",
|request| websocket_request_text(request).is_some_and(|text| text.contains("mirror-head")),
)
.await;
let realtime_text =
websocket_request_text(&realtime_text_request).expect("realtime request text");
let model_user_texts = response_mock.single_request().message_input_texts("user");
let realtime_request_body = realtime_text_request.body_json();
let content = &realtime_request_body["item"]["content"][0];
// Snapshot the request envelope and capped text together so reviewers can
// see the preserved head/tail and truncation marker in one place.
let snapshot = format!(
"type: {}\nitem.type: {}\nitem.role: {}\ncontent[0].type: {}\nmodel_has_full_user_text: {}\nrealtime_text_equal_full_user_text: {}\nrealtime_text_approx_tokens: {}\ncontent[0].text: {}",
realtime_request_body["type"].as_str().unwrap_or_default(),
realtime_request_body["item"]["type"]
.as_str()
.unwrap_or_default(),
realtime_request_body["item"]["role"]
.as_str()
.unwrap_or_default(),
content["type"].as_str().unwrap_or_default(),
model_user_texts.iter().any(|text| text == &user_text),
realtime_text == user_text,
approx_token_count(&realtime_text),
realtime_text,
);
insta::assert_snapshot!(
"conversation_user_text_turn_is_capped_when_mirrored_to_realtime",
snapshot
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_mirrors_assistant_message_text_to_realtime_handoff() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let _response_mock = responses::mount_sse_once(
&api_server,
responses::sse(vec![
responses::ev_response_created("resp_1"),
responses::ev_assistant_message("msg_1", "assistant says hi"),
responses::ev_completed("resp_1"),
]),
)
.await;
let realtime_server = start_websocket_server(vec![vec![
vec![
json!({
"type": "session.updated",
"session": { "id": "sess_1", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "delegate hello"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_1",
"item_id": "item_1",
"input_transcript": "delegate hello"
}),
],
vec![],
]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_1");
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) if handoff.handoff_id == "handoff_1" => Some(()),
_ => None,
})
.await;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let deadline = tokio::time::Instant::now() + Duration::from_secs(2);
while tokio::time::Instant::now() < deadline {
let connections = realtime_server.connections();
if connections.len() == 1 && connections[0].len() >= 2 {
break;
}
tokio::time::sleep(Duration::from_millis(10)).await;
}
let realtime_connections = realtime_server.connections();
assert_eq!(realtime_connections.len(), 1);
assert_eq!(realtime_connections[0].len(), 2);
assert_eq!(
realtime_connections[0][0].body_json()["type"].as_str(),
Some("session.update")
);
assert_eq!(
realtime_connections[0][1].body_json()["type"].as_str(),
Some("conversation.handoff.append")
);
assert_eq!(
realtime_connections[0][1].body_json()["handoff_id"].as_str(),
Some("handoff_1")
);
assert_eq!(
realtime_connections[0][1].body_json()["output_text"].as_str(),
Some("\"Agent Final Message\":\n\nassistant says hi")
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn conversation_handoff_persists_across_item_done_until_turn_complete() -> Result<()> {
skip_if_no_network!(Ok(()));
let (gate_second_message_tx, gate_second_message_rx) = oneshot::channel();
let first_chunks = vec![
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_response_created("resp-1")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_assistant_message(
"msg-1",
"assistant message 1",
)),
},
StreamingSseChunk {
gate: Some(gate_second_message_rx),
body: sse_event(responses::ev_assistant_message(
"msg-2",
"assistant message 2",
)),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_completed("resp-1")),
},
];
let (api_server, completions) = start_streaming_sse_server(vec![first_chunks]).await;
let realtime_server = start_websocket_server(vec![vec![
vec![
json!({
"type": "session.updated",
"session": { "id": "sess_item_done", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "delegate now"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_item_done",
"item_id": "item_item_done",
"input_transcript": "delegate now"
}),
],
vec![json!({
"type": "conversation.item.done",
"item": { "id": "item_item_done" }
})],
vec![],
]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_streaming_server(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_item_done" => Some(()),
_ => None,
})
.await;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) if handoff.handoff_id == "handoff_item_done" => Some(()),
_ => None,
})
.await;
let first_append = realtime_server
.wait_for_request(/*connection_index*/ 0, /*request_index*/ 1)
.await;
assert_eq!(
first_append.body_json()["type"].as_str(),
Some("conversation.handoff.append")
);
assert_eq!(
first_append.body_json()["handoff_id"].as_str(),
Some("handoff_item_done")
);
assert_eq!(
first_append.body_json()["output_text"].as_str(),
Some("\"Agent Final Message\":\n\nassistant message 1")
);
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::ConversationItemDone { item_id },
}) if item_id == "item_item_done" => Some(()),
_ => None,
})
.await;
let _ = gate_second_message_tx.send(());
let second_append = realtime_server
.wait_for_request(/*connection_index*/ 0, /*request_index*/ 2)
.await;
assert_eq!(
second_append.body_json()["type"].as_str(),
Some("conversation.handoff.append")
);
assert_eq!(
second_append.body_json()["handoff_id"].as_str(),
Some("handoff_item_done")
);
assert_eq!(
second_append.body_json()["output_text"].as_str(),
Some("\"Agent Final Message\":\n\nassistant message 2")
);
let completion = completions
.into_iter()
.next()
.expect("missing delegated turn completion");
completion
.await
.expect("delegated turn request did not complete");
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
realtime_server.shutdown().await;
api_server.shutdown().await;
Ok(())
}
fn sse_event(event: Value) -> String {
responses::sse(vec![event])
}
fn message_input_texts(body: &Value, role: &str) -> Vec {
body.get("input")
.and_then(Value::as_array)
.into_iter()
.flatten()
.filter(|item| item.get("type").and_then(Value::as_str) == Some("message"))
.filter(|item| item.get("role").and_then(Value::as_str) == Some(role))
.filter_map(|item| item.get("content").and_then(Value::as_array))
.flatten()
.filter(|span| span.get("type").and_then(Value::as_str) == Some("input_text"))
.filter_map(|span| span.get("text").and_then(Value::as_str).map(str::to_owned))
.collect()
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_handoff_request_starts_turn() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let response_mock = responses::mount_sse_once(
&api_server,
responses::sse(vec![
responses::ev_response_created("resp-1"),
responses::ev_assistant_message("msg-1", "ok"),
responses::ev_completed("resp-1"),
]),
)
.await;
let realtime_server = start_websocket_server(vec![vec![vec![
json!({
"type": "session.updated",
"session": { "id": "sess_inbound", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "text from realtime"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_inbound",
"item_id": "item_inbound",
"input_transcript": "text from realtime"
}),
]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let session_updated = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
assert_eq!(session_updated, "sess_inbound");
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) if handoff.handoff_id == "handoff_inbound"
&& handoff.input_transcript == "text from realtime" =>
{
Some(())
}
_ => None,
})
.await;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let request = response_mock.single_request();
let user_texts = request.message_input_texts("user");
assert!(user_texts.iter().any(|text| text
== "\n user: text from realtime\n"));
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_handoff_request_uses_active_transcript() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let response_mock = responses::mount_sse_once(
&api_server,
responses::sse(vec![
responses::ev_response_created("resp-1"),
responses::ev_assistant_message("msg-1", "ok"),
responses::ev_completed("resp-1"),
]),
)
.await;
let realtime_server = start_websocket_server(vec![vec![vec![
json!({
"type": "session.updated",
"session": { "id": "sess_inbound_multi", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.output_transcript.delta",
"delta": "assistant context"
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "delegated query"
}),
json!({
"type": "conversation.output_transcript.delta",
"delta": "assist confirm"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_inbound_multi",
"item_id": "item_inbound_multi",
"input_transcript": "ignored"
}),
]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let request = response_mock.single_request();
let user_texts = request.message_input_texts("user");
assert!(user_texts.iter().any(|text| text
== "\n assistant: assistant context\nuser: delegated query\nassistant: assist confirm\n"));
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_handoff_request_clears_active_transcript_after_each_handoff() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let response_mock = responses::mount_sse_sequence(
&api_server,
vec![
responses::sse(vec![
responses::ev_response_created("resp-1"),
responses::ev_assistant_message("msg-1", "first ok"),
responses::ev_completed("resp-1"),
]),
responses::sse(vec![
responses::ev_response_created("resp-2"),
responses::ev_assistant_message("msg-2", "second ok"),
responses::ev_completed("resp-2"),
]),
],
)
.await;
let realtime_server = start_websocket_server(vec![vec![
vec![
json!({
"type": "session.updated",
"session": { "id": "sess_inbound_clear", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "first question"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_inbound_clear_1",
"item_id": "item_inbound_clear_1",
"input_transcript": "first question"
}),
],
vec![],
vec![
json!({
"type": "conversation.input_transcript.delta",
"delta": "second question"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_inbound_clear_2",
"item_id": "item_inbound_clear_2",
"input_transcript": "second question"
}),
],
]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) => Some(session_id.clone()),
_ => None,
})
.await;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
test.codex
.submit(Op::RealtimeConversationAudio(ConversationAudioParams {
frame: RealtimeAudioFrame {
data: "AQID".to_string(),
sample_rate: 24000,
num_channels: 1,
samples_per_channel: Some(480),
item_id: None,
},
}))
.await?;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let requests = response_mock.requests();
assert_eq!(requests.len(), 2);
let first_user_texts = requests[0].message_input_texts("user");
assert!(first_user_texts.iter().any(|text| text
== "\n user: first question\n"));
let second_user_texts = requests[1].message_input_texts("user");
assert!(second_user_texts.iter().any(|text| text
== "\n user: second question\n"));
assert!(!second_user_texts.iter().any(|text| text
== "\n user: first question\nuser: second question\n"));
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_conversation_item_does_not_start_turn_and_still_forwards_audio() -> Result<()> {
skip_if_no_network!(Ok(()));
let api_server = start_mock_server().await;
let realtime_server = start_websocket_server(vec![vec![vec![
json!({
"type": "session.updated",
"session": { "id": "sess_ignore_item", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.item.added",
"item": {
"type": "message",
"role": "user",
"content": [{"type": "text", "text": "echoed local text"}]
}
}),
json!({
"type": "conversation.output_audio.delta",
"delta": "AQID",
"sample_rate": 24000,
"channels": 1
}),
]]])
.await;
let mut builder = test_codex().with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_ignore_item" => Some(()),
_ => None,
})
.await;
let audio_out = tokio::time::timeout(
Duration::from_millis(500),
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::AudioOut(frame),
}) => Some(frame.clone()),
_ => None,
}),
)
.await
.expect("timed out waiting for realtime audio after conversation item");
assert_eq!(audio_out.data, "AQID");
let unexpected_turn_started = tokio::time::timeout(
Duration::from_millis(200),
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::TurnStarted(_) => Some(()),
_ => None,
}),
)
.await;
assert!(unexpected_turn_started.is_err());
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn delegated_turn_user_role_echo_does_not_redelegate_and_still_forwards_audio() -> Result<()>
{
skip_if_no_network!(Ok(()));
let start = std::time::Instant::now();
let (gate_completed_tx, gate_completed_rx) = oneshot::channel();
let first_chunks = vec![
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_response_created("resp-1")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_assistant_message(
"msg-1",
"assistant says hi",
)),
},
StreamingSseChunk {
gate: Some(gate_completed_rx),
body: sse_event(responses::ev_completed("resp-1")),
},
];
let (api_server, completions) = start_streaming_sse_server(vec![first_chunks]).await;
let realtime_server = start_websocket_server(vec![vec![
vec![
json!({
"type": "session.updated",
"session": { "id": "sess_echo_guard", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "delegate now"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_echo_guard",
"item_id": "item_echo_guard",
"input_transcript": "delegate now"
}),
],
vec![
json!({
"type": "conversation.item.added",
"item": {
"type": "message",
"role": "user",
"content": [{"type": "text", "text": "assistant says hi"}]
}
}),
json!({
"type": "conversation.output_audio.delta",
"delta": "AQID",
"sample_rate": 24000,
"channels": 1
}),
],
]])
.await;
let mut builder = test_codex().with_model("gpt-5.1").with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_streaming_server(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_echo_guard" => Some(()),
_ => None,
})
.await;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) if handoff.input_transcript == "delegate now" => Some(()),
_ => None,
})
.await;
eprintln!(
"[realtime test +{}ms] saw trigger text={:?}",
start.elapsed().as_millis(),
"delegate now"
);
let mirrored_request = realtime_server
.wait_for_request(/*connection_index*/ 0, /*request_index*/ 1)
.await;
let mirrored_request_body = mirrored_request.body_json();
eprintln!(
"[realtime test +{}ms] saw mirrored request type={:?} handoff_id={:?} text={:?}",
start.elapsed().as_millis(),
mirrored_request_body["type"].as_str(),
mirrored_request_body["handoff_id"].as_str(),
mirrored_request_body["output_text"].as_str(),
);
assert_eq!(
mirrored_request_body["type"].as_str(),
Some("conversation.handoff.append")
);
assert_eq!(
mirrored_request_body["handoff_id"].as_str(),
Some("handoff_echo_guard")
);
assert_eq!(
mirrored_request_body["output_text"].as_str(),
Some("\"Agent Final Message\":\n\nassistant says hi")
);
let audio_out = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::AudioOut(frame),
}) => Some(frame.clone()),
_ => None,
})
.await;
eprintln!(
"[realtime test +{}ms] saw audio out data={} sample_rate={} num_channels={}",
start.elapsed().as_millis(),
audio_out.data,
audio_out.sample_rate,
audio_out.num_channels
);
assert_eq!(audio_out.data, "AQID");
let completion = completions
.into_iter()
.next()
.expect("missing delegated turn completion");
let _ = gate_completed_tx.send(());
completion
.await
.expect("delegated turn request did not complete");
eprintln!(
"[realtime test +{}ms] delegated completion resolved",
start.elapsed().as_millis()
);
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let requests = api_server.requests().await;
assert_eq!(requests.len(), 1);
realtime_server.shutdown().await;
api_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_handoff_request_does_not_block_realtime_event_forwarding() -> Result<()> {
skip_if_no_network!(Ok(()));
let (gate_completed_tx, gate_completed_rx) = oneshot::channel();
let first_chunks = vec![
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_response_created("resp-1")),
},
StreamingSseChunk {
gate: Some(gate_completed_rx),
body: sse_event(responses::ev_completed("resp-1")),
},
];
let (api_server, completions) = start_streaming_sse_server(vec![first_chunks]).await;
let realtime_server = start_websocket_server(vec![vec![vec![
json!({
"type": "session.updated",
"session": { "id": "sess_non_blocking", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": "delegate now"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_non_blocking",
"item_id": "item_non_blocking",
"input_transcript": "delegate now"
}),
json!({
"type": "conversation.output_audio.delta",
"delta": "AQID",
"sample_rate": 24000,
"channels": 1
}),
]]])
.await;
let mut builder = test_codex().with_model("gpt-5.1").with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_streaming_server(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_non_blocking" => Some(()),
_ => None,
})
.await;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) if handoff.input_transcript == "delegate now" => Some(()),
_ => None,
})
.await;
let audio_out = tokio::time::timeout(
Duration::from_millis(500),
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::AudioOut(frame),
}) => Some(frame.clone()),
_ => None,
}),
)
.await
.expect("timed out waiting for realtime audio while delegated turn was still pending");
assert_eq!(audio_out.data, "AQID");
let completion = completions
.into_iter()
.next()
.expect("missing delegated turn completion");
let _ = gate_completed_tx.send(());
completion
.await
.expect("delegated turn request did not complete");
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
realtime_server.shutdown().await;
api_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_handoff_request_steers_active_turn() -> Result<()> {
skip_if_no_network!(Ok(()));
let (gate_completed_tx, gate_completed_rx) = oneshot::channel();
let first_chunks = vec![
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_response_created("resp-1")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_message_item_added("msg-1", "")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_output_text_delta("first ")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_output_text_delta("turn")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_assistant_message("msg-1", "first turn")),
},
StreamingSseChunk {
gate: Some(gate_completed_rx),
body: sse_event(responses::ev_completed("resp-1")),
},
];
let second_chunks = vec![
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_response_created("resp-2")),
},
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_completed("resp-2")),
},
];
let (api_server, completions) =
start_streaming_sse_server(vec![first_chunks, second_chunks]).await;
let realtime_server = start_websocket_server(vec![vec![
vec![json!({
"type": "session.updated",
"session": { "id": "sess_steer", "instructions": "backend prompt" }
})],
vec![],
vec![
json!({
"type": "conversation.input_transcript.delta",
"delta": "steer via realtime"
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_steer",
"item_id": "item_steer",
"input_transcript": "steer via realtime"
}),
],
]])
.await;
let mut builder = test_codex().with_model("gpt-5.1").with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_streaming_server(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_steer" => Some(()),
_ => None,
})
.await;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "first prompt".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
responsesapi_client_metadata: None,
})
.await?;
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::AgentMessageContentDelta(_))
})
.await;
let _ = wait_for_matching_websocket_request(
&realtime_server,
"first prompt mirrored to realtime",
|request| websocket_request_text(request).as_deref() == Some("first prompt"),
)
.await;
test.codex
.submit(Op::RealtimeConversationAudio(ConversationAudioParams {
frame: RealtimeAudioFrame {
data: "AQID".to_string(),
sample_rate: 24000,
num_channels: 1,
samples_per_channel: Some(480),
item_id: None,
},
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) if handoff.input_transcript == "steer via realtime" => Some(()),
_ => None,
})
.await;
let mut completion_iter = completions.into_iter();
let first_completion = completion_iter.next().expect("missing first completion");
let second_completion = completion_iter.next().expect("missing second completion");
let _ = gate_completed_tx.send(());
first_completion
.await
.expect("first request did not complete");
second_completion
.await
.expect("second request did not complete");
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let requests = api_server.requests().await;
assert_eq!(requests.len(), 2);
let first_body: Value = serde_json::from_slice(&requests[0]).expect("parse first request");
let second_body: Value = serde_json::from_slice(&requests[1]).expect("parse second request");
let first_texts = message_input_texts(&first_body, "user");
let second_texts = message_input_texts(&second_body, "user");
assert!(first_texts.iter().any(|text| text == "first prompt"));
assert!(
!first_texts
.iter()
.any(|text| text
== "\n user: steer via realtime\n")
);
assert!(second_texts.iter().any(|text| text == "first prompt"));
assert!(second_texts.iter().any(|text| text
== "\n user: steer via realtime\n"));
realtime_server.shutdown().await;
api_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn inbound_handoff_request_starts_turn_and_does_not_block_realtime_audio() -> Result<()> {
skip_if_no_network!(Ok(()));
let (gate_completed_tx, gate_completed_rx) = oneshot::channel();
let first_chunks = vec![
StreamingSseChunk {
gate: None,
body: sse_event(responses::ev_response_created("resp-1")),
},
StreamingSseChunk {
gate: Some(gate_completed_rx),
body: sse_event(responses::ev_completed("resp-1")),
},
];
let (api_server, completions) = start_streaming_sse_server(vec![first_chunks]).await;
let delegated_text = "delegate from handoff request";
let realtime_server = start_websocket_server(vec![vec![vec![
json!({
"type": "session.updated",
"session": { "id": "sess_handoff_request", "instructions": "backend prompt" }
}),
json!({
"type": "conversation.input_transcript.delta",
"delta": delegated_text
}),
json!({
"type": "conversation.handoff.requested",
"handoff_id": "handoff_audio",
"item_id": "item_audio",
"input_transcript": delegated_text
}),
json!({
"type": "conversation.output_audio.delta",
"delta": "AQID",
"sample_rate": 24000,
"channels": 1
}),
]]])
.await;
let mut builder = test_codex().with_model("gpt-5.1").with_config({
let realtime_base_url = realtime_server.uri().to_string();
move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
config.realtime.version = RealtimeWsVersion::V1;
}
});
let test = builder.build_with_streaming_server(&api_server).await?;
test.codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
output_modality: RealtimeOutputModality::Audio,
prompt: Some(Some("backend prompt".to_string())),
session_id: None,
transport: None,
voice: None,
}))
.await?;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionUpdated { session_id, .. },
}) if session_id == "sess_handoff_request" => Some(()),
_ => None,
})
.await;
let _ = wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::HandoffRequested(handoff),
}) => (handoff.handoff_id == "handoff_audio" && handoff.input_transcript == delegated_text)
.then_some(()),
_ => None,
})
.await;
let audio_out = tokio::time::timeout(
Duration::from_millis(500),
wait_for_event_match(&test.codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::AudioOut(frame),
}) => Some(frame.clone()),
_ => None,
}),
)
.await
.expect("timed out waiting for realtime audio after handoff request");
assert_eq!(audio_out.data, "AQID");
let completion = completions
.into_iter()
.next()
.expect("missing delegated turn completion");
let _ = gate_completed_tx.send(());
completion
.await
.expect("delegated turn request did not complete");
wait_for_event(&test.codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let requests = api_server.requests().await;
assert_eq!(requests.len(), 1);
let first_body: Value = serde_json::from_slice(&requests[0]).expect("parse first request");
let first_texts = message_input_texts(&first_body, "user");
let expected_text = format!(
"\n user: {delegated_text}\n"
);
assert!(first_texts.iter().any(|text| text == &expected_text));
realtime_server.shutdown().await;
api_server.shutdown().await;
Ok(())
}