agcodex-core 0.1.0

Core business logic with AST-RAG engine and tree-sitter integration
Documentation 
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//! Verifies that the agent retries when the SSE stream terminates before
//! delivering a `response.completed` event.

use std::time::Duration;

use agcodex_core::ConversationManager;
use agcodex_core::ModelProviderInfo;
use agcodex_core::protocol::EventMsg;
use agcodex_core::protocol::InputItem;
use agcodex_core::protocol::Op;
use agcodex_core::spawn::CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR;
use agcodex_login::CodexAuth;
use core_test_support::load_default_config_for_test;
use core_test_support::load_sse_fixture;
use core_test_support::load_sse_fixture_with_id;
use tempfile::TempDir;
use tokio::time::timeout;
use wiremock::Mock;
use wiremock::MockServer;
use wiremock::Request;
use wiremock::Respond;
use wiremock::ResponseTemplate;
use wiremock::matchers::method;
use wiremock::matchers::path;

fn sse_incomplete() -> String {
    load_sse_fixture("tests/fixtures/incomplete_sse.json")
}

fn sse_completed(id: &str) -> String {
    load_sse_fixture_with_id("tests/fixtures/completed_template.json", id)
}

#[tokio::test(flavor = "multi_thread", worker_threads = 2)]
async fn retries_on_early_close() {
    if std::env::var(CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR).is_ok() {
        println!(
            "Skipping test because it cannot execute when network is disabled in a Codex sandbox."
        );
        return;
    }

    let server = MockServer::start().await;

    struct SeqResponder;
    impl Respond for SeqResponder {
        fn respond(&self, _: &Request) -> ResponseTemplate {
            use std::sync::atomic::AtomicUsize;
            use std::sync::atomic::Ordering;
            static CALLS: AtomicUsize = AtomicUsize::new(0);
            let n = CALLS.fetch_add(1, Ordering::SeqCst);
            if n == 0 {
                ResponseTemplate::new(200)
                    .insert_header("content-type", "text/event-stream")
                    .set_body_raw(sse_incomplete(), "text/event-stream")
            } else {
                ResponseTemplate::new(200)
                    .insert_header("content-type", "text/event-stream")
                    .set_body_raw(sse_completed("resp_ok"), "text/event-stream")
            }
        }
    }

    Mock::given(method("POST"))
        .and(path("/v1/responses"))
        .respond_with(SeqResponder {})
        .expect(2)
        .mount(&server)
        .await;

    // Configure retry behavior explicitly to avoid mutating process-wide
    // environment variables.

    let model_provider = ModelProviderInfo {
        name: "openai".into(),
        base_url: Some(format!("{}/v1", server.uri())),
        // Environment variable that should exist in the test environment.
        // ModelClient will return an error if the environment variable for the
        // provider is not set.
        env_key: Some("PATH".into()),
        env_key_instructions: None,
        wire_api: agcodex_core::WireApi::Responses,
        query_params: None,
        http_headers: None,
        env_http_headers: None,
        // exercise retry path: first attempt yields incomplete stream, so allow 1 retry
        request_max_retries: Some(0),
        stream_max_retries: Some(1),
        stream_idle_timeout_ms: Some(2000),
        requires_openai_auth: false,
    };

    let agcodex_home = TempDir::new().unwrap();
    let mut config = load_default_config_for_test(&agcodex_home);
    config.model_provider = model_provider;
    let conversation_manager = ConversationManager::default();
    let codex = conversation_manager
        .new_conversation_with_auth(config, Some(CodexAuth::from_api_key("Test API Key")))
        .await
        .unwrap()
        .conversation;

    codex
        .submit(Op::UserInput {
            items: vec![InputItem::Text {
                text: "hello".into(),
            }],
        })
        .await
        .unwrap();

    // Wait until TaskComplete (should succeed after retry).
    loop {
        let ev = timeout(Duration::from_secs(10), codex.next_event())
            .await
            .unwrap()
            .unwrap();
        if matches!(ev.msg, EventMsg::TaskComplete(_)) {
            break;
        }
    }
}