tests

codex-rs/core/src/state/session.rs

@@ -71,7 +71,14 @@ impl SessionState {
     pub(crate) fn token_info_and_rate_limits(
         &self,
     ) -> (Option<TokenUsageInfo>, Option<RateLimitSnapshot>) {
-        (self.token_info(), self.latest_rate_limits.clone())
+        let info = self.token_info().and_then(|info| {
+            if info.total_token_usage.is_zero() && info.last_token_usage.is_zero() {
+                None
+            } else {
+                Some(info)
+            }
+        });
+        (info, self.latest_rate_limits.clone())
     }
 
     pub(crate) fn set_token_usage_full(&mut self, context_window: i64) {

codex-rs/core/tests/suite/compact.rs

@@ -817,7 +817,7 @@ async fn auto_compact_triggers_after_function_call_over_95_percent_usage() {
 
     let server = start_mock_server().await;
 
-    let context_window = 100;
+    let context_window = 20_000;
     let limit = context_window * 90 / 100;
     let over_limit_tokens = context_window * 95 / 100 + 1;