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use codex_state::StateRuntime;
use std::sync::Arc;
use crate::AgentGraphStore;
use crate::AgentGraphStoreError;
use crate::AgentGraphStoreFuture;
use crate::ThreadSpawnEdgeStatus;
/// SQLite-backed implementation of [`AgentGraphStore`] using an existing state runtime.
#[derive(Clone)]
pub struct LocalAgentGraphStore {
state_db: Arc<StateRuntime>,
}
impl std::fmt::Debug for LocalAgentGraphStore {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("LocalAgentGraphStore")
.field("sqlite", self.state_db.sqlite())
.finish_non_exhaustive()
}
}
impl LocalAgentGraphStore {
/// Create a local graph store from an already-initialized state runtime.
pub fn new(state_db: Arc<StateRuntime>) -> Self {
Self { state_db }
}
}
impl AgentGraphStore for LocalAgentGraphStore {
fn upsert_thread_spawn_edge(
&self,
parent_thread_id: ThreadId,
child_thread_id: ThreadId,
status: ThreadSpawnEdgeStatus,
) -> AgentGraphStoreFuture<'_, ()> {
Box::pin(async move {
self.state_db
.upsert_thread_spawn_edge(
parent_thread_id,
child_thread_id,
to_state_status(status),
)
.await
.map_err(internal_error)
})
}
fn set_thread_spawn_edge_status(
&self,
child_thread_id: ThreadId,
status: ThreadSpawnEdgeStatus,
) -> AgentGraphStoreFuture<'_, ()> {
Box::pin(async move {
self.state_db
.set_thread_spawn_edge_status(child_thread_id, to_state_status(status))
.await
.map_err(internal_error)
})
}
fn list_thread_spawn_children(
&self,
parent_thread_id: ThreadId,
status_filter: Option<ThreadSpawnEdgeStatus>,
) -> AgentGraphStoreFuture<'_, Vec<ThreadId>> {
Box::pin(async move {
if let Some(status) = status_filter {
return self
.state_db
.list_thread_spawn_children_with_status(
parent_thread_id,
to_state_status(status),
)
.await
.map_err(internal_error);
}
self.state_db
.list_thread_spawn_children(parent_thread_id)
.await
.map_err(internal_error)
})
}
fn list_thread_spawn_descendants(
&self,
root_thread_id: ThreadId,
status_filter: Option<ThreadSpawnEdgeStatus>,
) -> AgentGraphStoreFuture<'_, Vec<ThreadId>> {
Box::pin(async move {
match status_filter {
Some(status) => self
.state_db
.list_thread_spawn_descendants_with_status(
root_thread_id,
to_state_status(status),
)
.await
.map_err(internal_error),
None => self
.state_db
.list_thread_spawn_descendants(root_thread_id)
.await
.map_err(internal_error),
}
})
}
}
fn to_state_status(status: ThreadSpawnEdgeStatus) -> codex_state::DirectionalThreadSpawnEdgeStatus {
match status {
ThreadSpawnEdgeStatus::Open => codex_state::DirectionalThreadSpawnEdgeStatus::Open,
ThreadSpawnEdgeStatus::Closed => codex_state::DirectionalThreadSpawnEdgeStatus::Closed,
}
}
fn internal_error(err: impl std::fmt::Display) -> AgentGraphStoreError {
AgentGraphStoreError::Internal {
message: err.to_string(),
}
}
#[cfg(test)]
mod tests {
use super::*;
use codex_state::DirectionalThreadSpawnEdgeStatus;
use codex_utils_absolute_path::test_support::PathExt;
use pretty_assertions::assert_eq;
use tempfile::TempDir;
struct TestRuntime {
state_db: Arc<StateRuntime>,
_codex_home: TempDir,
}
fn thread_id(suffix: u128) -> ThreadId {
ThreadId::from_string(&format!("00000000-0000-0000-0000-{suffix:012}"))
.expect("valid thread id")
}
async fn state_runtime() -> TestRuntime {
let codex_home = TempDir::new().expect("tempdir should be created");
let state_db = StateRuntime::init(
codex_state::SqliteConfig::new_for_testing(codex_home.path().abs()),
"test-provider".to_string(),
)
.await
.expect("state db should initialize");
TestRuntime {
state_db,
_codex_home: codex_home,
}
}
#[tokio::test]
async fn local_store_upserts_and_lists_direct_children_with_status_filters() {
let fixture = state_runtime().await;
let state_db = fixture.state_db;
let store = LocalAgentGraphStore::new(state_db.clone());
let parent_thread_id = thread_id(/*suffix*/ 1);
let first_child_thread_id = thread_id(/*suffix*/ 2);
let second_child_thread_id = thread_id(/*suffix*/ 3);
store
.upsert_thread_spawn_edge(
parent_thread_id,
second_child_thread_id,
ThreadSpawnEdgeStatus::Closed,
)
.await
.expect("closed child edge should insert");
store
.upsert_thread_spawn_edge(
parent_thread_id,
first_child_thread_id,
ThreadSpawnEdgeStatus::Open,
)
.await
.expect("open child edge should insert");
let all_children = store
.list_thread_spawn_children(parent_thread_id, /*status_filter*/ None)
.await
.expect("all children should load");
assert_eq!(
all_children,
vec![first_child_thread_id, second_child_thread_id]
);
let open_children = store
.list_thread_spawn_children(parent_thread_id, Some(ThreadSpawnEdgeStatus::Open))
.await
.expect("open children should load");
let state_open_children = state_db
.list_thread_spawn_children_with_status(
parent_thread_id,
DirectionalThreadSpawnEdgeStatus::Open,
)
.await
.expect("state open children should load");
assert_eq!(open_children, state_open_children);
assert_eq!(open_children, vec![first_child_thread_id]);
let closed_children = store
.list_thread_spawn_children(parent_thread_id, Some(ThreadSpawnEdgeStatus::Closed))
.await
.expect("closed children should load");
assert_eq!(closed_children, vec![second_child_thread_id]);
}
#[tokio::test]
async fn local_store_updates_edge_status() {
let fixture = state_runtime().await;
let state_db = fixture.state_db;
let store = LocalAgentGraphStore::new(state_db);
let parent_thread_id = thread_id(/*suffix*/ 10);
let child_thread_id = thread_id(/*suffix*/ 11);
store
.upsert_thread_spawn_edge(
parent_thread_id,
child_thread_id,
ThreadSpawnEdgeStatus::Open,
)
.await
.expect("child edge should insert");
store
.set_thread_spawn_edge_status(child_thread_id, ThreadSpawnEdgeStatus::Closed)
.await
.expect("child edge should close");
let open_children = store
.list_thread_spawn_children(parent_thread_id, Some(ThreadSpawnEdgeStatus::Open))
.await
.expect("open children should load");
assert_eq!(open_children, Vec::<ThreadId>::new());
let closed_children = store
.list_thread_spawn_children(parent_thread_id, Some(ThreadSpawnEdgeStatus::Closed))
.await
.expect("closed children should load");
assert_eq!(closed_children, vec![child_thread_id]);
}
#[tokio::test]
async fn local_store_lists_descendants_breadth_first_with_status_filters() {
let fixture = state_runtime().await;
let state_db = fixture.state_db;
let store = LocalAgentGraphStore::new(state_db.clone());
let root_thread_id = thread_id(/*suffix*/ 20);
let later_child_thread_id = thread_id(/*suffix*/ 22);
let earlier_child_thread_id = thread_id(/*suffix*/ 21);
let closed_grandchild_thread_id = thread_id(/*suffix*/ 23);
let open_grandchild_thread_id = thread_id(/*suffix*/ 24);
let closed_child_thread_id = thread_id(/*suffix*/ 25);
let closed_great_grandchild_thread_id = thread_id(/*suffix*/ 26);
for (parent_thread_id, child_thread_id, status) in [
(
root_thread_id,
later_child_thread_id,
ThreadSpawnEdgeStatus::Open,
),
(
root_thread_id,
earlier_child_thread_id,
ThreadSpawnEdgeStatus::Open,
),
(
earlier_child_thread_id,
open_grandchild_thread_id,
ThreadSpawnEdgeStatus::Open,
),
(
later_child_thread_id,
closed_grandchild_thread_id,
ThreadSpawnEdgeStatus::Closed,
),
(
root_thread_id,
closed_child_thread_id,
ThreadSpawnEdgeStatus::Closed,
),
(
closed_child_thread_id,
closed_great_grandchild_thread_id,
ThreadSpawnEdgeStatus::Closed,
),
] {
store
.upsert_thread_spawn_edge(parent_thread_id, child_thread_id, status)
.await
.expect("edge should insert");
}
let all_descendants = store
.list_thread_spawn_descendants(root_thread_id, /*status_filter*/ None)
.await
.expect("all descendants should load");
assert_eq!(
all_descendants,
vec![
earlier_child_thread_id,
later_child_thread_id,
closed_child_thread_id,
closed_grandchild_thread_id,
open_grandchild_thread_id,
closed_great_grandchild_thread_id,
]
);
let open_descendants = store
.list_thread_spawn_descendants(root_thread_id, Some(ThreadSpawnEdgeStatus::Open))
.await
.expect("open descendants should load");
let state_open_descendants = state_db
.list_thread_spawn_descendants_with_status(
root_thread_id,
DirectionalThreadSpawnEdgeStatus::Open,
)
.await
.expect("state open descendants should load");
assert_eq!(open_descendants, state_open_descendants);
assert_eq!(
open_descendants,
vec![
earlier_child_thread_id,
later_child_thread_id,
open_grandchild_thread_id,
]
);
let closed_descendants = store
.list_thread_spawn_descendants(root_thread_id, Some(ThreadSpawnEdgeStatus::Closed))
.await
.expect("closed descendants should load");
assert_eq!(
closed_descendants,
vec![closed_child_thread_id, closed_great_grandchild_thread_id]
);
}
}
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