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0aeb55bf0858a15e2456f246f0e56dcea8432740
codex/codex-rs/core/tests/suite/compact_remote.rs
Ahmed Ibrahim 0aeb55bf08 Record realtime close marker on replacement (#13058) 
## Summary
- record a realtime close developer message when a new realtime session
replaces an active one
- assert the replacement marker through the mocked responses request
path

---------

Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Charles Cunningham <ccunningham@openai.com>
2026-03-01 13:54:12 -08:00

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#![allow(clippy::expect_used)]
use std::fs;
use std::path::PathBuf;
use anyhow::Result;
use codex_core::CodexAuth;
use codex_core::compact::SUMMARY_PREFIX;
use codex_protocol::items::TurnItem;
use codex_protocol::models::ContentItem;
use codex_protocol::models::ResponseItem;
use codex_protocol::protocol::ConversationStartParams;
use codex_protocol::protocol::ErrorEvent;
use codex_protocol::protocol::EventMsg;
use codex_protocol::protocol::ItemCompletedEvent;
use codex_protocol::protocol::ItemStartedEvent;
use codex_protocol::protocol::Op;
use codex_protocol::protocol::RealtimeConversationRealtimeEvent;
use codex_protocol::protocol::RealtimeEvent;
use codex_protocol::protocol::RolloutItem;
use codex_protocol::protocol::RolloutLine;
use codex_protocol::user_input::UserInput;
use core_test_support::context_snapshot;
use core_test_support::context_snapshot::ContextSnapshotOptions;
use core_test_support::context_snapshot::ContextSnapshotRenderMode;
use core_test_support::responses;
use core_test_support::responses::mount_sse_once;
use core_test_support::responses::sse;
use core_test_support::responses::start_websocket_server;
use core_test_support::skip_if_no_network;
use core_test_support::test_codex::TestCodexBuilder;
use core_test_support::test_codex::TestCodexHarness;
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::json;
use wiremock::ResponseTemplate;
fn approx_token_count(text: &str) -> i64 {
i64::try_from(text.len().saturating_add(3) / 4).unwrap_or(i64::MAX)
}
fn estimate_compact_input_tokens(request: &responses::ResponsesRequest) -> i64 {
request.input().into_iter().fold(0i64, |acc, item| {
acc.saturating_add(approx_token_count(&item.to_string()))
})
}
fn estimate_compact_payload_tokens(request: &responses::ResponsesRequest) -> i64 {
estimate_compact_input_tokens(request)
.saturating_add(approx_token_count(&request.instructions_text()))
}
const PRETURN_CONTEXT_DIFF_CWD: &str = "/tmp/PRETURN_CONTEXT_DIFF_CWD";
const DUMMY_FUNCTION_NAME: &str = "test_tool";
fn summary_with_prefix(summary: &str) -> String {
format!("{SUMMARY_PREFIX}\n{summary}")
}
fn context_snapshot_options() -> ContextSnapshotOptions {
ContextSnapshotOptions::default()
.render_mode(ContextSnapshotRenderMode::KindWithTextPrefix { max_chars: 64 })
}
fn format_labeled_requests_snapshot(
scenario: &str,
sections: &[(&str, &responses::ResponsesRequest)],
) -> String {
context_snapshot::format_labeled_requests_snapshot(
scenario,
sections,
&context_snapshot_options(),
)
}
fn compacted_summary_only_output(summary: &str) -> Vec<ResponseItem> {
vec![ResponseItem::Compaction {
encrypted_content: summary_with_prefix(summary),
}]
}
fn remote_realtime_test_codex_builder(
realtime_server: &responses::WebSocketTestServer,
) -> TestCodexBuilder {
let realtime_base_url = realtime_server.uri().to_string();
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(move |config| {
config.experimental_realtime_ws_base_url = Some(realtime_base_url);
})
}
async fn start_remote_realtime_server() -> responses::WebSocketTestServer {
start_websocket_server(vec![vec![
vec![json!({
"type": "session.created",
"session": { "id": "sess_remote_compact" }
})],
// Keep the websocket open after startup so routed transcript items during the test do not
// exhaust the scripted responses and mark realtime inactive before the assertions run.
vec![],
vec![],
vec![],
vec![],
vec![],
vec![],
vec![],
vec![],
]])
.await
}
async fn start_realtime_conversation(codex: &codex_core::CodexThread) -> Result<()> {
codex
.submit(Op::RealtimeConversationStart(ConversationStartParams {
prompt: "backend prompt".to_string(),
session_id: None,
}))
.await?;
wait_for_event_match(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:?}"));
wait_for_event_match(codex, |msg| match msg {
EventMsg::RealtimeConversationRealtime(RealtimeConversationRealtimeEvent {
payload: RealtimeEvent::SessionCreated { session_id },
}) => Some(session_id.clone()),
_ => None,
})
.await;
Ok(())
}
async fn close_realtime_conversation(codex: &codex_core::CodexThread) -> Result<()> {
codex.submit(Op::RealtimeConversationClose).await?;
wait_for_event_match(codex, |msg| match msg {
EventMsg::RealtimeConversationClosed(closed) => Some(closed.clone()),
_ => None,
})
.await;
Ok(())
}
fn assert_request_contains_realtime_start(request: &responses::ResponsesRequest) {
let body = request.body_json().to_string();
assert!(
body.contains("<realtime_conversation>"),
"expected request to restate realtime instructions"
);
assert!(
!body.contains("Reason: inactive"),
"expected request to use realtime start instructions"
);
}
fn assert_request_contains_realtime_end(request: &responses::ResponsesRequest) {
let body = request.body_json().to_string();
assert!(
body.contains("<realtime_conversation>"),
"expected request to restate realtime instructions"
);
assert!(
body.contains("Reason: inactive"),
"expected request to use realtime end instructions"
);
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_compact_replaces_history_for_followups() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing()),
)
.await?;
let codex = harness.test().codex.clone();
let session_id = harness.test().session_configured.session_id.to_string();
let responses_mock = responses::mount_sse_sequence(
harness.server(),
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "FIRST_REMOTE_REPLY"),
responses::ev_completed("resp-1"),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "AFTER_COMPACT_REPLY"),
responses::ev_completed("resp-2"),
]),
],
)
.await;
let compacted_history = vec![ResponseItem::Compaction {
encrypted_content: "ENCRYPTED_COMPACTION_SUMMARY".to_string(),
}];
let compact_mock = responses::mount_compact_json_once(
harness.server(),
serde_json::json!({ "output": compacted_history.clone() }),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "hello remote compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex.submit(Op::Compact).await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "after compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
let compact_request = compact_mock.single_request();
assert_eq!(compact_request.path(), "/v1/responses/compact");
assert_eq!(
compact_request.header("chatgpt-account-id").as_deref(),
Some("account_id")
);
assert_eq!(
compact_request.header("authorization").as_deref(),
Some("Bearer Access Token")
);
assert_eq!(
compact_request.header("session_id").as_deref(),
Some(session_id.as_str())
);
let compact_body = compact_request.body_json();
assert_eq!(
compact_body.get("model").and_then(|v| v.as_str()),
Some(harness.test().session_configured.model.as_str())
);
let compact_body_text = compact_body.to_string();
assert!(
compact_body_text.contains("hello remote compact"),
"expected compact request to include user history"
);
assert!(
compact_body_text.contains("FIRST_REMOTE_REPLY"),
"expected compact request to include assistant history"
);
let response_requests = responses_mock.requests();
let follow_up_request = response_requests.last().expect("follow-up request missing");
let follow_up_body = follow_up_request.body_json().to_string();
assert!(
follow_up_body.contains("\"type\":\"compaction\""),
"expected follow-up request to use compacted history"
);
assert!(
follow_up_body.contains("ENCRYPTED_COMPACTION_SUMMARY"),
"expected follow-up request to include compaction summary item"
);
assert!(
!follow_up_body.contains("FIRST_REMOTE_REPLY"),
"expected follow-up request to drop pre-compaction assistant messages"
);
assert!(
!follow_up_body.contains("hello remote compact"),
"expected follow-up request to drop compacted-away user turns when remote output omits them"
);
insta::assert_snapshot!(
"remote_manual_compact_with_history_shapes",
format_labeled_requests_snapshot(
"Remote manual /compact where remote compact output is compaction-only: follow-up layout uses the returned compaction item plus new user message.",
&[
("Remote Compaction Request", &compact_request),
("Remote Post-Compaction History Layout", follow_up_request),
]
)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_compact_runs_automatically() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing()),
)
.await?;
let codex = harness.test().codex.clone();
let session_id = harness.test().session_configured.session_id.to_string();
mount_sse_once(
harness.server(),
sse(vec![
responses::ev_shell_command_call("m1", "echo 'hi'"),
responses::ev_completed_with_tokens("resp-1", 100000000), // over token limit
]),
)
.await;
let responses_mock = mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m2", "AFTER_COMPACT_REPLY"),
responses::ev_completed("resp-2"),
]),
)
.await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
"REMOTE_COMPACTED_SUMMARY",
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "hello remote compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
let message = wait_for_event_match(&codex, |event| match event {
EventMsg::ContextCompacted(_) => Some(true),
_ => None,
})
.await;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
assert!(message);
assert_eq!(compact_mock.requests().len(), 1);
assert_eq!(
compact_mock
.single_request()
.header("session_id")
.as_deref(),
Some(session_id.as_str())
);
let follow_up_request = responses_mock.single_request();
let follow_up_body = follow_up_request.body_json().to_string();
assert!(follow_up_body.contains("REMOTE_COMPACTED_SUMMARY"));
Ok(())
}
#[cfg_attr(target_os = "windows", ignore)]
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_compact_trims_function_call_history_to_fit_context_window() -> Result<()> {
skip_if_no_network!(Ok(()));
let first_user_message = "turn with retained shell call";
let second_user_message = "turn with trimmed shell call";
let retained_call_id = "retained-call";
let trimmed_call_id = "trimmed-call";
let retained_command = "echo retained-shell-output";
let trimmed_command = "yes x | head -n 3000";
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_context_window = Some(2_000);
config.model_auto_compact_token_limit = Some(200_000);
}),
)
.await?;
let codex = harness.test().codex.clone();
responses::mount_sse_sequence(
harness.server(),
vec![
sse(vec![
responses::ev_shell_command_call(retained_call_id, retained_command),
responses::ev_completed("retained-call-response"),
]),
sse(vec![
responses::ev_assistant_message("retained-assistant", "retained complete"),
responses::ev_completed("retained-final-response"),
]),
sse(vec![
responses::ev_shell_command_call(trimmed_call_id, trimmed_command),
responses::ev_completed("trimmed-call-response"),
]),
],
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: first_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: second_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
"REMOTE_COMPACT_SUMMARY",
)
.await;
codex.submit(Op::Compact).await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
let compact_request = compact_mock.single_request();
let user_messages = compact_request.message_input_texts("user");
assert!(
user_messages
.iter()
.any(|message| message == first_user_message),
"expected compact request to retain earlier user history"
);
assert!(
user_messages
.iter()
.any(|message| message == second_user_message),
"expected compact request to retain the user boundary message"
);
assert!(
compact_request.has_function_call(retained_call_id)
&& compact_request
.function_call_output_text(retained_call_id)
.is_some(),
"expected compact request to keep the older function call/result pair"
);
assert!(
!compact_request.has_function_call(trimmed_call_id)
&& compact_request
.function_call_output_text(trimmed_call_id)
.is_none(),
"expected compact request to drop the trailing function call/result pair past the boundary"
);
assert_eq!(
compact_request.inputs_of_type("function_call").len(),
1,
"expected exactly one function call after trimming"
);
assert_eq!(
compact_request.inputs_of_type("function_call_output").len(),
1,
"expected exactly one function call output after trimming"
);
Ok(())
}
#[cfg_attr(target_os = "windows", ignore)]
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn auto_remote_compact_trims_function_call_history_to_fit_context_window() -> Result<()> {
skip_if_no_network!(Ok(()));
let first_user_message = "turn with retained shell call";
let second_user_message = "turn with trimmed shell call";
let retained_call_id = "retained-call";
let trimmed_call_id = "trimmed-call";
let retained_command = "echo retained-shell-output";
let trimmed_command = "yes x | head -n 3000";
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_context_window = Some(2_000);
config.model_auto_compact_token_limit = Some(200_000);
}),
)
.await?;
let codex = harness.test().codex.clone();
responses::mount_sse_sequence(
harness.server(),
vec![
sse(vec![
responses::ev_shell_command_call(retained_call_id, retained_command),
responses::ev_completed_with_tokens("retained-call-response", 100),
]),
sse(vec![
responses::ev_assistant_message("retained-assistant", "retained complete"),
responses::ev_completed("retained-final-response"),
]),
sse(vec![
responses::ev_shell_command_call(trimmed_call_id, trimmed_command),
responses::ev_completed_with_tokens("trimmed-call-response", 100),
]),
sse(vec![responses::ev_completed_with_tokens(
"trimmed-final-response",
500_000,
)]),
],
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: first_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: second_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
"REMOTE_AUTO_COMPACT_SUMMARY",
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "turn that triggers auto compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
assert_eq!(
compact_mock.requests().len(),
1,
"expected exactly one remote compact request"
);
let compact_request = compact_mock.single_request();
let user_messages = compact_request.message_input_texts("user");
assert!(
user_messages
.iter()
.any(|message| message == first_user_message),
"expected compact request to retain earlier user history"
);
assert!(
user_messages
.iter()
.any(|message| message == second_user_message),
"expected compact request to retain the user boundary message"
);
assert!(
compact_request.has_function_call(retained_call_id)
&& compact_request
.function_call_output_text(retained_call_id)
.is_some(),
"expected compact request to keep the older function call/result pair"
);
assert!(
!compact_request.has_function_call(trimmed_call_id)
&& compact_request
.function_call_output_text(trimmed_call_id)
.is_none(),
"expected compact request to drop the trailing function call/result pair past the boundary"
);
assert_eq!(
compact_request.inputs_of_type("function_call").len(),
1,
"expected exactly one function call after trimming"
);
assert_eq!(
compact_request.inputs_of_type("function_call_output").len(),
1,
"expected exactly one function call output after trimming"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn auto_remote_compact_failure_stops_agent_loop() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_auto_compact_token_limit = Some(120);
}),
)
.await?;
let codex = harness.test().codex.clone();
mount_sse_once(
harness.server(),
sse(vec![
responses::ev_assistant_message("initial-assistant", "initial turn complete"),
responses::ev_completed_with_tokens("initial-response", 500_000),
]),
)
.await;
let first_compact_mock = responses::mount_compact_json_once(
harness.server(),
serde_json::json!({ "output": "invalid compact payload shape" }),
)
.await;
let post_compact_turn_mock = mount_sse_once(
harness.server(),
sse(vec![
responses::ev_assistant_message("post-compact-assistant", "should not run"),
responses::ev_completed("post-compact-response"),
]),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "turn that exceeds token threshold".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "turn that triggers auto compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
let error_message = wait_for_event_match(&codex, |event| match event {
EventMsg::Error(err) => Some(err.message.clone()),
_ => None,
})
.await;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
assert!(
error_message.contains("Error running remote compact task"),
"expected remote compact task error prefix, got {error_message}"
);
assert_eq!(
first_compact_mock.requests().len(),
1,
"expected first remote compact attempt with incoming items"
);
assert!(
post_compact_turn_mock.requests().is_empty(),
"expected agent loop to stop after compaction failure"
);
insta::assert_snapshot!(
"remote_pre_turn_compaction_failure_shapes",
format_labeled_requests_snapshot(
"Remote pre-turn auto-compaction parse failure: compaction request excludes the incoming user message and the turn stops.",
&[(
"Remote Compaction Request (Incoming User Excluded)",
&first_compact_mock.single_request()
),]
)
);
Ok(())
}
#[cfg_attr(target_os = "windows", ignore)]
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_compact_trim_estimate_uses_session_base_instructions() -> Result<()> {
skip_if_no_network!(Ok(()));
let first_user_message = "turn with baseline shell call";
let second_user_message = "turn with trailing shell call";
let baseline_retained_call_id = "baseline-retained-call";
let baseline_trailing_call_id = "baseline-trailing-call";
let override_retained_call_id = "override-retained-call";
let override_trailing_call_id = "override-trailing-call";
let retained_command = "printf retained-shell-output";
let trailing_command = "printf trailing-shell-output";
let baseline_harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_context_window = Some(200_000);
}),
)
.await?;
let baseline_codex = baseline_harness.test().codex.clone();
responses::mount_sse_sequence(
baseline_harness.server(),
vec![
sse(vec![
responses::ev_shell_command_call(baseline_retained_call_id, retained_command),
responses::ev_completed("baseline-retained-call-response"),
]),
sse(vec![
responses::ev_assistant_message("baseline-retained-assistant", "retained complete"),
responses::ev_completed("baseline-retained-final-response"),
]),
sse(vec![
responses::ev_shell_command_call(baseline_trailing_call_id, trailing_command),
responses::ev_completed("baseline-trailing-call-response"),
]),
sse(vec![responses::ev_completed(
"baseline-trailing-final-response",
)]),
],
)
.await;
baseline_codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: first_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&baseline_codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
baseline_codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: second_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&baseline_codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let baseline_compact_mock = responses::mount_compact_user_history_with_summary_once(
baseline_harness.server(),
"REMOTE_BASELINE_SUMMARY",
)
.await;
baseline_codex.submit(Op::Compact).await?;
wait_for_event(&baseline_codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let baseline_compact_request = baseline_compact_mock.single_request();
assert!(
baseline_compact_request.has_function_call(baseline_retained_call_id),
"expected baseline compact request to retain older function call history"
);
assert!(
baseline_compact_request.has_function_call(baseline_trailing_call_id),
"expected baseline compact request to retain trailing function call history"
);
let baseline_input_tokens = estimate_compact_input_tokens(&baseline_compact_request);
let baseline_payload_tokens = estimate_compact_payload_tokens(&baseline_compact_request);
let override_base_instructions =
format!("REMOTE_BASE_INSTRUCTIONS_OVERRIDE {}", "x".repeat(120_000));
let override_context_window = baseline_payload_tokens.saturating_add(1_000);
let pretrim_override_estimate =
baseline_input_tokens.saturating_add(approx_token_count(&override_base_instructions));
assert!(
pretrim_override_estimate > override_context_window,
"expected override instructions to push pre-trim estimate past the context window"
);
let override_harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config({
let override_base_instructions = override_base_instructions.clone();
move |config| {
config.model_context_window = Some(override_context_window);
config.base_instructions = Some(override_base_instructions);
}
}),
)
.await?;
let override_codex = override_harness.test().codex.clone();
responses::mount_sse_sequence(
override_harness.server(),
vec![
sse(vec![
responses::ev_shell_command_call(override_retained_call_id, retained_command),
responses::ev_completed("override-retained-call-response"),
]),
sse(vec![
responses::ev_assistant_message("override-retained-assistant", "retained complete"),
responses::ev_completed("override-retained-final-response"),
]),
sse(vec![
responses::ev_shell_command_call(override_trailing_call_id, trailing_command),
responses::ev_completed("override-trailing-call-response"),
]),
sse(vec![responses::ev_completed(
"override-trailing-final-response",
)]),
],
)
.await;
override_codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: first_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&override_codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
override_codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: second_user_message.into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&override_codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let override_compact_mock = responses::mount_compact_user_history_with_summary_once(
override_harness.server(),
"REMOTE_OVERRIDE_SUMMARY",
)
.await;
override_codex.submit(Op::Compact).await?;
wait_for_event(&override_codex, |event| {
matches!(event, EventMsg::TurnComplete(_))
})
.await;
let override_compact_request = override_compact_mock.single_request();
assert_eq!(
override_compact_request.instructions_text(),
override_base_instructions
);
assert!(
override_compact_request.has_function_call(override_retained_call_id),
"expected remote compact request to preserve older function call history"
);
assert!(
!override_compact_request.has_function_call(override_trailing_call_id),
"expected remote compact request to trim trailing function call history with override instructions"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_manual_compact_emits_context_compaction_items() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing()),
)
.await?;
let codex = harness.test().codex.clone();
mount_sse_once(
harness.server(),
sse(vec![
responses::ev_assistant_message("m1", "REMOTE_REPLY"),
responses::ev_completed("resp-1"),
]),
)
.await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
"REMOTE_COMPACTED_SUMMARY",
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "manual remote compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
codex.submit(Op::Compact).await?;
let mut started_item = None;
let mut completed_item = None;
let mut legacy_event = false;
let mut saw_turn_complete = false;
while !saw_turn_complete || started_item.is_none() || completed_item.is_none() || !legacy_event
{
let event = codex.next_event().await.unwrap();
match event.msg {
EventMsg::ItemStarted(ItemStartedEvent {
item: TurnItem::ContextCompaction(item),
..
}) => {
started_item = Some(item);
}
EventMsg::ItemCompleted(ItemCompletedEvent {
item: TurnItem::ContextCompaction(item),
..
}) => {
completed_item = Some(item);
}
EventMsg::ContextCompacted(_) => {
legacy_event = true;
}
EventMsg::TurnComplete(_) => {
saw_turn_complete = true;
}
_ => {}
}
}
let started_item = started_item.expect("context compaction item started");
let completed_item = completed_item.expect("context compaction item completed");
assert_eq!(started_item.id, completed_item.id);
assert!(legacy_event);
assert_eq!(compact_mock.requests().len(), 1);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_manual_compact_failure_emits_task_error_event() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing()),
)
.await?;
let codex = harness.test().codex.clone();
mount_sse_once(
harness.server(),
sse(vec![
responses::ev_assistant_message("m1", "REMOTE_REPLY"),
responses::ev_completed("resp-1"),
]),
)
.await;
let compact_mock = responses::mount_compact_json_once(
harness.server(),
serde_json::json!({ "output": "invalid compact payload shape" }),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "manual remote compact".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
codex.submit(Op::Compact).await?;
let error_message = wait_for_event_match(&codex, |event| match event {
EventMsg::Error(err) => Some(err.message.clone()),
_ => None,
})
.await;
assert!(
error_message.contains("Error running remote compact task"),
"expected remote compact task error prefix, got {error_message}"
);
assert!(
error_message.contains("invalid compact payload shape")
|| error_message.contains("invalid type: string"),
"expected invalid compact payload details, got {error_message}"
);
wait_for_event(&codex, |event| matches!(event, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
// TODO(ccunningham): Re-enable after the follow-up compaction behavior PR lands.
// Current main behavior for rollout replacement-history persistence is known-incorrect.
#[ignore = "behavior change covered in follow-up compaction PR"]
async fn remote_compact_persists_replacement_history_in_rollout() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing()),
)
.await?;
let codex = harness.test().codex.clone();
let rollout_path = harness
.test()
.session_configured
.rollout_path
.clone()
.expect("rollout path");
let responses_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m1", "COMPACT_BASELINE_REPLY"),
responses::ev_completed("resp-1"),
]),
)
.await;
let compacted_history = vec![
ResponseItem::Compaction {
encrypted_content: "ENCRYPTED_COMPACTION_SUMMARY".to_string(),
},
ResponseItem::Message {
id: None,
role: "assistant".to_string(),
content: vec![ContentItem::OutputText {
text: "COMPACTED_ASSISTANT_NOTE".to_string(),
}],
end_turn: None,
phase: None,
},
];
let compact_mock = responses::mount_compact_json_once(
harness.server(),
serde_json::json!({ "output": compacted_history.clone() }),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "needs compaction".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex.submit(Op::Compact).await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex.submit(Op::Shutdown).await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::ShutdownComplete)).await;
assert_eq!(responses_mock.requests().len(), 1);
assert_eq!(compact_mock.requests().len(), 1);
let rollout_text = fs::read_to_string(&rollout_path)?;
let mut saw_compacted_history = false;
for line in rollout_text
.lines()
.map(str::trim)
.filter(|l| !l.is_empty())
{
let Ok(entry) = serde_json::from_str::<RolloutLine>(line) else {
continue;
};
if let RolloutItem::Compacted(compacted) = entry.item
&& compacted.message.is_empty()
&& let Some(replacement_history) = compacted.replacement_history.as_ref()
{
let has_compaction_item = replacement_history.iter().any(|item| {
matches!(
item,
ResponseItem::Compaction { encrypted_content }
if encrypted_content == "ENCRYPTED_COMPACTION_SUMMARY"
)
});
let has_compacted_assistant_note = replacement_history.iter().any(|item| {
matches!(
item,
ResponseItem::Message { role, content, .. }
if role == "assistant"
&& content.iter().any(|part| matches!(
part,
ContentItem::OutputText { text } if text == "COMPACTED_ASSISTANT_NOTE"
))
)
});
let has_permissions_developer_message = replacement_history.iter().any(|item| {
matches!(
item,
ResponseItem::Message { role, content, .. }
if role == "developer"
&& content.iter().any(|part| matches!(
part,
ContentItem::InputText { text }
if text.contains("<permissions instructions>")
))
)
});
if has_compaction_item && has_compacted_assistant_note {
assert!(
!has_permissions_developer_message,
"manual remote compact rollout replacement history should not inject permissions context"
);
saw_compacted_history = true;
break;
}
}
}
assert!(
saw_compacted_history,
"expected rollout to persist remote compaction history"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_compact_and_resume_refresh_stale_developer_instructions() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let stale_developer_message = "STALE_DEVELOPER_INSTRUCTIONS_SHOULD_BE_REMOVED";
let mut start_builder =
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing());
let initial = start_builder.build(&server).await?;
let home = initial.home.clone();
let rollout_path = initial
.session_configured
.rollout_path
.clone()
.expect("rollout path");
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "BASELINE_REPLY"),
responses::ev_completed("resp-1"),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "AFTER_COMPACT_REPLY"),
responses::ev_completed("resp-2"),
]),
responses::sse(vec![
responses::ev_assistant_message("m3", "AFTER_RESUME_REPLY"),
responses::ev_completed("resp-3"),
]),
],
)
.await;
let compacted_history = vec![
ResponseItem::Message {
id: None,
role: "developer".to_string(),
content: vec![ContentItem::InputText {
text: stale_developer_message.to_string(),
}],
end_turn: None,
phase: None,
},
ResponseItem::Compaction {
encrypted_content: "ENCRYPTED_COMPACTION_SUMMARY".to_string(),
},
];
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({ "output": compacted_history }),
)
.await;
initial
.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "start remote compact flow".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&initial.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
initial.codex.submit(Op::Compact).await?;
wait_for_event(&initial.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
initial
.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "after compact in same session".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&initial.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
initial.codex.submit(Op::Shutdown).await?;
wait_for_event(&initial.codex, |ev| {
matches!(ev, EventMsg::ShutdownComplete)
})
.await;
let mut resume_builder =
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing());
let resumed = resume_builder.resume(&server, home, rollout_path).await?;
resumed
.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "after resume".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&resumed.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 3, "expected three model requests");
let after_compact_request = &requests[1];
let after_resume_request = &requests[2];
let after_compact_body = after_compact_request.body_json().to_string();
assert!(
!after_compact_body.contains(stale_developer_message),
"stale developer instructions should be removed immediately after compaction"
);
assert!(
after_compact_body.contains("<permissions instructions>"),
"fresh developer instructions should be present after compaction"
);
assert!(
after_compact_body.contains("ENCRYPTED_COMPACTION_SUMMARY"),
"compaction item should be present after compaction"
);
let after_resume_body = after_resume_request.body_json().to_string();
assert!(
!after_resume_body.contains(stale_developer_message),
"stale developer instructions should be removed after resume"
);
assert!(
after_resume_body.contains("<permissions instructions>"),
"fresh developer instructions should be present after resume"
);
assert!(
after_resume_body.contains("ENCRYPTED_COMPACTION_SUMMARY"),
"compaction item should persist after resume"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn remote_compact_refreshes_stale_developer_instructions_without_resume() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let stale_developer_message = "STALE_DEVELOPER_INSTRUCTIONS_SHOULD_BE_REMOVED";
let mut builder = test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing());
let test = builder.build(&server).await?;
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "BASELINE_REPLY"),
responses::ev_completed("resp-1"),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "AFTER_COMPACT_REPLY"),
responses::ev_completed("resp-2"),
]),
],
)
.await;
let compacted_history = vec![
ResponseItem::Message {
id: None,
role: "developer".to_string(),
content: vec![ContentItem::InputText {
text: stale_developer_message.to_string(),
}],
end_turn: None,
phase: None,
},
ResponseItem::Compaction {
encrypted_content: "ENCRYPTED_COMPACTION_SUMMARY".to_string(),
},
];
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({ "output": compacted_history }),
)
.await;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "start remote compact flow".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
test.codex.submit(Op::Compact).await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "after compact in same session".into(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 2, "expected two model requests");
let after_compact_body = requests[1].body_json().to_string();
assert!(
!after_compact_body.contains(stale_developer_message),
"stale developer instructions should be removed immediately after compaction"
);
assert!(
after_compact_body.contains("<permissions instructions>"),
"fresh developer instructions should be present after compaction"
);
assert!(
after_compact_body.contains("ENCRYPTED_COMPACTION_SUMMARY"),
"compaction item should be present after compaction"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_pre_turn_compaction_restates_realtime_start() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let realtime_server = start_remote_realtime_server().await;
let mut builder = remote_realtime_test_codex_builder(&realtime_server).with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
});
let test = builder.build(&server).await?;
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_FIRST_REPLY"),
responses::ev_completed_with_tokens("r1", 500),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_SECOND_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({
"output": compacted_summary_only_output(
"REMOTE_PRETURN_REALTIME_STILL_ACTIVE_SUMMARY"
)
}),
)
.await;
start_realtime_conversation(test.codex.as_ref()).await?;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 2, "expected two model requests");
let compact_request = compact_mock.single_request();
let post_compact_request = &requests[1];
assert_request_contains_realtime_start(post_compact_request);
insta::assert_snapshot!(
"remote_pre_turn_compaction_restates_realtime_start_shapes",
format_labeled_requests_snapshot(
"Remote pre-turn auto-compaction while realtime remains active: compaction clears the reference baseline, so the follow-up request restates realtime-start instructions.",
&[
("Remote Compaction Request", &compact_request),
(
"Remote Post-Compaction History Layout",
post_compact_request
),
]
)
);
close_realtime_conversation(test.codex.as_ref()).await?;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_pre_turn_compaction_restates_realtime_end() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let realtime_server = start_remote_realtime_server().await;
let mut builder = remote_realtime_test_codex_builder(&realtime_server).with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
});
let test = builder.build(&server).await?;
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_FIRST_REPLY"),
responses::ev_completed_with_tokens("r1", 500),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_SECOND_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({
"output": compacted_summary_only_output(
"REMOTE_PRETURN_REALTIME_CLOSED_SUMMARY"
)
}),
)
.await;
start_realtime_conversation(test.codex.as_ref()).await?;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
close_realtime_conversation(test.codex.as_ref()).await?;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 2, "expected two model requests");
let compact_request = compact_mock.single_request();
let post_compact_request = &requests[1];
assert_request_contains_realtime_end(post_compact_request);
insta::assert_snapshot!(
"remote_pre_turn_compaction_restates_realtime_end_shapes",
format_labeled_requests_snapshot(
"Remote pre-turn auto-compaction after realtime was closed between turns: the follow-up request emits realtime-end instructions from previous-turn settings even though compaction cleared the reference baseline.",
&[
("Remote Compaction Request", &compact_request),
(
"Remote Post-Compaction History Layout",
post_compact_request
),
]
)
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_manual_compact_restates_realtime_start() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let realtime_server = start_remote_realtime_server().await;
let mut builder = remote_realtime_test_codex_builder(&realtime_server);
let test = builder.build(&server).await?;
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_FIRST_REPLY"),
responses::ev_completed_with_tokens("r1", 60),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_SECOND_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({
"output": compacted_summary_only_output(
"REMOTE_MANUAL_REALTIME_STILL_ACTIVE_SUMMARY"
)
}),
)
.await;
start_realtime_conversation(test.codex.as_ref()).await?;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
test.codex.submit(Op::Compact).await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 2, "expected two model requests");
let compact_request = compact_mock.single_request();
let post_compact_request = &requests[1];
assert_request_contains_realtime_start(post_compact_request);
insta::assert_snapshot!(
"remote_manual_compact_restates_realtime_start_shapes",
format_labeled_requests_snapshot(
"Remote manual /compact while realtime remains active: the next regular turn restates realtime-start instructions after compaction clears the baseline.",
&[
("Remote Compaction Request", &compact_request),
(
"Remote Post-Compaction History Layout",
post_compact_request
),
]
)
);
close_realtime_conversation(test.codex.as_ref()).await?;
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_mid_turn_compaction_does_not_restate_realtime_end()
-> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let realtime_server = start_remote_realtime_server().await;
let mut builder = remote_realtime_test_codex_builder(&realtime_server).with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
});
let test = builder.build(&server).await?;
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("setup", "REMOTE_SETUP_REPLY"),
responses::ev_completed_with_tokens("setup-response", 60),
]),
responses::sse(vec![
responses::ev_function_call("call-remote-mid-turn", DUMMY_FUNCTION_NAME, "{}"),
responses::ev_completed_with_tokens("r1", 500),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_MID_TURN_FINAL_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({
"output": compacted_summary_only_output(
"REMOTE_MID_TURN_REALTIME_CLOSED_SUMMARY"
)
}),
)
.await;
start_realtime_conversation(test.codex.as_ref()).await?;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "SETUP_USER".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
close_realtime_conversation(test.codex.as_ref()).await?;
test.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&test.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 3, "expected three model requests");
let second_turn_request = &requests[1];
let compact_request = compact_mock.single_request();
let post_compact_request = &requests[2];
assert_request_contains_realtime_end(second_turn_request);
assert!(
!post_compact_request
.body_json()
.to_string()
.contains("<realtime_conversation>"),
"did not expect post-compaction history to restate realtime instructions once the current turn had already established an inactive baseline"
);
insta::assert_snapshot!(
"remote_mid_turn_compaction_does_not_restate_realtime_end_shapes",
format_labeled_requests_snapshot(
"Remote mid-turn continuation compaction after realtime was closed before the turn: the initial second-turn request emits realtime-end instructions, but the continuation request does not restate them after compaction because the current turn already established the inactive baseline.",
&[
("Second Turn Initial Request", second_turn_request),
("Remote Compaction Request", &compact_request),
(
"Remote Post-Compaction History Layout",
post_compact_request
),
]
)
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_compact_resume_restates_realtime_end() -> Result<()> {
skip_if_no_network!(Ok(()));
let server = wiremock::MockServer::start().await;
let realtime_server = start_remote_realtime_server().await;
let mut builder = remote_realtime_test_codex_builder(&realtime_server);
let initial = builder.build(&server).await?;
let home = initial.home.clone();
let rollout_path = initial
.session_configured
.rollout_path
.clone()
.expect("rollout path");
let responses_mock = responses::mount_sse_sequence(
&server,
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_FIRST_REPLY"),
responses::ev_completed_with_tokens("r1", 60),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_AFTER_RESUME_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_json_once(
&server,
serde_json::json!({
"output": compacted_summary_only_output(
"REMOTE_RESUME_REALTIME_CLOSED_SUMMARY"
)
}),
)
.await;
start_realtime_conversation(initial.codex.as_ref()).await?;
initial
.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&initial.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
close_realtime_conversation(initial.codex.as_ref()).await?;
initial.codex.submit(Op::Compact).await?;
wait_for_event(&initial.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
initial.codex.submit(Op::Shutdown).await?;
wait_for_event(&initial.codex, |ev| {
matches!(ev, EventMsg::ShutdownComplete)
})
.await;
let mut resume_builder =
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing());
let resumed = resume_builder.resume(&server, home, rollout_path).await?;
resumed
.codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&resumed.codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(requests.len(), 2, "expected two model requests");
let compact_request = compact_mock.single_request();
let after_resume_request = &requests[1];
assert_request_contains_realtime_end(after_resume_request);
insta::assert_snapshot!(
"remote_compact_resume_restates_realtime_end_shapes",
format_labeled_requests_snapshot(
"After remote manual /compact and resume, the first resumed turn rebuilds history from the compaction item and restates realtime-end instructions from reconstructed previous-turn settings.",
&[
("Remote Compaction Request", &compact_request),
("Remote Post-Resume History Layout", after_resume_request),
]
)
);
realtime_server.shutdown().await;
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
// TODO(ccunningham): Update once remote pre-turn compaction includes incoming user input.
async fn snapshot_request_shape_remote_pre_turn_compaction_including_incoming_user_message()
-> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
}),
)
.await?;
let codex = harness.test().codex.clone();
let responses_mock = responses::mount_sse_sequence(
harness.server(),
vec![
responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_FIRST_REPLY"),
responses::ev_completed_with_tokens("r1", 60),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_SECOND_REPLY"),
responses::ev_completed_with_tokens("r2", 500),
]),
responses::sse(vec![
responses::ev_assistant_message("m3", "REMOTE_FINAL_REPLY"),
responses::ev_completed_with_tokens("r3", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
&summary_with_prefix("REMOTE_PRE_TURN_SUMMARY"),
)
.await;
for user in ["USER_ONE", "USER_TWO", "USER_THREE"] {
if user == "USER_THREE" {
codex
.submit(Op::OverrideTurnContext {
cwd: Some(PathBuf::from(PRETURN_CONTEXT_DIFF_CWD)),
approval_policy: None,
sandbox_policy: None,
windows_sandbox_level: None,
model: None,
effort: None,
summary: None,
collaboration_mode: None,
personality: None,
})
.await?;
}
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: user.to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
}
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(
requests.len(),
3,
"expected user, user, and post-compact turn"
);
let compact_request = compact_mock.single_request();
insta::assert_snapshot!(
"remote_pre_turn_compaction_including_incoming_shapes",
format_labeled_requests_snapshot(
"Remote pre-turn auto-compaction with a context override emits the context diff in the compact request while excluding the incoming user message.",
&[
("Remote Compaction Request", &compact_request),
("Remote Post-Compaction History Layout", &requests[2]),
]
)
);
assert_eq!(
requests[2]
.message_input_texts("user")
.iter()
.filter(|text| text.as_str() == "USER_THREE")
.count(),
1,
"post-compaction request should contain incoming user exactly once from runtime append"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_pre_turn_compaction_strips_incoming_model_switch()
-> Result<()> {
skip_if_no_network!(Ok(()));
let previous_model = "gpt-5.1-codex-max";
let next_model = "gpt-5.2-codex";
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_model(previous_model)
.with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
}),
)
.await?;
let codex = harness.test().codex.clone();
let initial_turn_request_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m1", "BEFORE_SWITCH_REPLY"),
responses::ev_completed_with_tokens("r1", 500),
]),
)
.await;
let post_compact_turn_request_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m2", "AFTER_SWITCH_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
)
.await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
&summary_with_prefix("REMOTE_SWITCH_SUMMARY"),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "BEFORE_SWITCH_USER".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::OverrideTurnContext {
cwd: None,
approval_policy: None,
sandbox_policy: None,
windows_sandbox_level: None,
model: Some(next_model.to_string()),
effort: None,
summary: None,
collaboration_mode: None,
personality: None,
})
.await?;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "AFTER_SWITCH_USER".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(
compact_mock.requests().len(),
1,
"expected a single remote pre-turn compaction request"
);
assert_eq!(
initial_turn_request_mock.requests().len(),
1,
"expected initial turn request"
);
assert_eq!(
post_compact_turn_request_mock.requests().len(),
1,
"expected post-compaction follow-up request"
);
let initial_turn_request = initial_turn_request_mock.single_request();
let compact_request = compact_mock.single_request();
let post_compact_turn_request = post_compact_turn_request_mock.single_request();
let compact_body = compact_request.body_json().to_string();
assert!(
!compact_body.contains("AFTER_SWITCH_USER"),
"current behavior excludes incoming user from the pre-turn remote compaction request"
);
assert!(
!compact_body.contains("<model_switch>"),
"pre-turn remote compaction request should strip incoming model-switch update item"
);
let follow_up_body = post_compact_turn_request.body_json().to_string();
assert!(
follow_up_body.contains("BEFORE_SWITCH_USER"),
"post-compaction follow-up should preserve older user messages when they fit"
);
assert!(
follow_up_body.contains("AFTER_SWITCH_USER"),
"post-compaction follow-up should preserve incoming user message via runtime append"
);
assert!(
follow_up_body.contains("<model_switch>"),
"post-compaction follow-up should include the model-switch update item"
);
insta::assert_snapshot!(
"remote_pre_turn_compaction_strips_incoming_model_switch_shapes",
format_labeled_requests_snapshot(
"Remote pre-turn compaction during model switch currently excludes incoming user input, strips incoming <model_switch> from the compact request payload, and restores it in the post-compaction follow-up request.",
&[
("Initial Request (Previous Model)", &initial_turn_request),
("Remote Compaction Request", &compact_request),
(
"Remote Post-Compaction History Layout",
&post_compact_turn_request
),
]
)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
// TODO(ccunningham): Update once remote pre-turn compaction context-overflow handling includes
// incoming user input and emits richer oversized-input messaging.
async fn snapshot_request_shape_remote_pre_turn_compaction_context_window_exceeded() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
}),
)
.await?;
let codex = harness.test().codex.clone();
let responses_mock = responses::mount_sse_sequence(
harness.server(),
vec![responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_FIRST_REPLY"),
responses::ev_completed_with_tokens("r1", 500),
])],
)
.await;
let compact_mock = responses::mount_compact_response_once(
harness.server(),
ResponseTemplate::new(400).set_body_json(serde_json::json!({
"error": {
"code": "context_length_exceeded",
"message": "Your input exceeds the context window of this model. Please adjust your input and try again."
}
})),
)
.await;
let post_compact_turn_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_POST_COMPACT_SHOULD_NOT_RUN"),
responses::ev_completed_with_tokens("r2", 80),
]),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
let error_message = wait_for_event_match(&codex, |event| match event {
EventMsg::Error(err) => Some(err.message.clone()),
_ => None,
})
.await;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(
requests.len(),
1,
"expected no post-compaction follow-up turn request after compact failure"
);
assert!(
post_compact_turn_mock.requests().is_empty(),
"expected turn to stop after compaction failure"
);
let include_attempt_request = compact_mock.single_request();
insta::assert_snapshot!(
"remote_pre_turn_compaction_context_window_exceeded_shapes",
format_labeled_requests_snapshot(
"Remote pre-turn auto-compaction context-window failure: compaction request excludes the incoming user message and the turn errors.",
&[(
"Remote Compaction Request (Incoming User Excluded)",
&include_attempt_request
),]
)
);
assert!(
error_message.to_lowercase().contains("context window"),
"expected context window failure to surface, got {error_message}"
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_mid_turn_continuation_compaction() -> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
}),
)
.await?;
let codex = harness.test().codex.clone();
let responses_mock = responses::mount_sse_sequence(
harness.server(),
vec![
responses::sse(vec![
responses::ev_function_call("call-remote-mid-turn", DUMMY_FUNCTION_NAME, "{}"),
responses::ev_completed_with_tokens("r1", 500),
]),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_MID_TURN_FINAL_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
],
)
.await;
let compact_mock = responses::mount_compact_user_history_with_summary_once(
harness.server(),
&summary_with_prefix("REMOTE_MID_TURN_SUMMARY"),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
let requests = responses_mock.requests();
assert_eq!(
requests.len(),
2,
"expected initial and post-compact requests"
);
let compact_request = compact_mock.single_request();
insta::assert_snapshot!(
"remote_mid_turn_compaction_shapes",
format_labeled_requests_snapshot(
"Remote mid-turn continuation compaction after tool output: compact request includes tool artifacts and the follow-up request includes the returned compaction item.",
&[
("Remote Compaction Request", &compact_request),
("Remote Post-Compaction History Layout", &requests[1]),
]
)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_mid_turn_compaction_summary_only_reinjects_context()
-> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
}),
)
.await?;
let codex = harness.test().codex.clone();
let initial_turn_request_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_function_call("call-remote-summary-only", DUMMY_FUNCTION_NAME, "{}"),
responses::ev_completed_with_tokens("r1", 500),
]),
)
.await;
let post_compact_turn_request_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m2", "REMOTE_SUMMARY_ONLY_FINAL_REPLY"),
responses::ev_completed_with_tokens("r2", 80),
]),
)
.await;
let compacted_history = vec![ResponseItem::Compaction {
encrypted_content: summary_with_prefix("REMOTE_SUMMARY_ONLY"),
}];
let compact_mock = responses::mount_compact_json_once(
harness.server(),
serde_json::json!({ "output": compacted_history }),
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 1);
assert_eq!(
initial_turn_request_mock.requests().len(),
1,
"expected initial turn request"
);
assert_eq!(
post_compact_turn_request_mock.requests().len(),
1,
"expected post-compaction request"
);
let compact_request = compact_mock.single_request();
let post_compact_turn_request = post_compact_turn_request_mock.single_request();
insta::assert_snapshot!(
"remote_mid_turn_compaction_summary_only_reinjects_context_shapes",
format_labeled_requests_snapshot(
"Remote mid-turn compaction where compact output has only a compaction item: continuation layout reinjects context before that compaction item.",
&[
("Remote Compaction Request", &compact_request),
(
"Remote Post-Compaction History Layout",
&post_compact_turn_request
),
]
)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn snapshot_request_shape_remote_mid_turn_compaction_multi_summary_reinjects_above_last_summary()
-> Result<()> {
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex()
.with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing())
.with_config(|config| {
config.model_auto_compact_token_limit = Some(200);
}),
)
.await?;
let codex = harness.test().codex.clone();
let setup_turn_request_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("setup", "REMOTE_SETUP_REPLY"),
responses::ev_completed_with_tokens("setup-response", 60),
]),
)
.await;
let second_turn_request_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_shell_command_call("call-remote-multi-summary", "echo multi-summary"),
responses::ev_completed_with_tokens("r1", 1_000),
]),
)
.await;
let compact_mock = responses::mount_compact_user_history_with_summary_sequence(
harness.server(),
vec![
summary_with_prefix("REMOTE_OLDER_SUMMARY"),
summary_with_prefix("REMOTE_LATEST_SUMMARY"),
],
)
.await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex.submit(Op::Compact).await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_TWO".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(compact_mock.requests().len(), 2);
assert_eq!(
setup_turn_request_mock.requests().len(),
1,
"expected setup turn request"
);
assert_eq!(
second_turn_request_mock.requests().len(),
1,
"expected second-turn pre-compaction request"
);
let compact_requests = compact_mock.requests();
assert_eq!(
compact_requests.len(),
2,
"expected one setup compact and one mid-turn compact request"
);
let compact_request = compact_requests[1].clone();
let second_turn_request = second_turn_request_mock.single_request();
assert!(
compact_request.body_contains_text("REMOTE_OLDER_SUMMARY"),
"older summary should round-trip from conversation history into the next compact request"
);
insta::assert_snapshot!(
"remote_mid_turn_compaction_multi_summary_reinjects_above_last_summary_shapes",
format_labeled_requests_snapshot(
"After a prior manual /compact produced an older remote compaction item, the next turn hits remote auto-compaction before the next sampling request. The compact request carries forward that earlier compaction item, and the next sampling request shows the latest compaction item with context reinjected before USER_TWO.",
&[
("Remote Compaction Request", &compact_request),
(
"Second Turn Request (After Compaction)",
&second_turn_request
),
]
)
);
Ok(())
}
#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
// TODO(ccunningham): Update once manual remote /compact with no prior user turn becomes a no-op.
async fn snapshot_request_shape_remote_manual_compact_without_previous_user_messages() -> Result<()>
{
skip_if_no_network!(Ok(()));
let harness = TestCodexHarness::with_builder(
test_codex().with_auth(CodexAuth::create_dummy_chatgpt_auth_for_testing()),
)
.await?;
let codex = harness.test().codex.clone();
let responses_mock = responses::mount_sse_once(
harness.server(),
responses::sse(vec![
responses::ev_assistant_message("m1", "REMOTE_MANUAL_EMPTY_FOLLOW_UP_REPLY"),
responses::ev_completed_with_tokens("r1", 80),
]),
)
.await;
let compact_mock =
responses::mount_compact_json_once(harness.server(), serde_json::json!({ "output": [] }))
.await;
codex.submit(Op::Compact).await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
codex
.submit(Op::UserInput {
items: vec![UserInput::Text {
text: "USER_ONE".to_string(),
text_elements: Vec::new(),
}],
final_output_json_schema: None,
})
.await?;
wait_for_event(&codex, |ev| matches!(ev, EventMsg::TurnComplete(_))).await;
assert_eq!(
compact_mock.requests().len(),
1,
"current behavior still issues remote compaction for manual /compact without prior user"
);
let compact_request = compact_mock.single_request();
let follow_up_request = responses_mock.single_request();
insta::assert_snapshot!(
"remote_manual_compact_without_prev_user_shapes",
format_labeled_requests_snapshot(
"Remote manual /compact with no prior user turn still issues a compact request; follow-up turn carries canonical context and new user message.",
&[
("Remote Compaction Request", &compact_request),
("Remote Post-Compaction History Layout", &follow_up_request),
]
)
);
Ok(())
}
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