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test: apply fork truncation to materialized history

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Friel
2026-05-04 09:46:59 +00:00
parent 00b1170161
commit a0d775d588
1 changed files with 9 additions and 3 deletions
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12
codex-rs/core/tests/suite/fork_thread.rs
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@@ -127,8 +127,9 @@ async fn fork_thread_twice_drops_to_first_message() {
serde_json::to_value(&expected_after_first).unwrap()
);
// Fork again with n=0. Because fork1 has no new user turn after its
// compact reference, this should preserve the same materialized history.
// Fork again with n=0. The first fork's raw rollout only contains a
// ForkReference, but truncation still applies to the materialized history
// referenced by that item.
let NewThread {
thread: codex_fork2,
..
@@ -145,7 +146,12 @@ async fn fork_thread_twice_drops_to_first_message() {
let fork2_path = codex_fork2.rollout_path().expect("rollout path");
// GetHistory on fork2 flushed; the file is ready.
let expected_after_second = fork1_items.clone();
let fork1_user_inputs = find_user_input_positions(&fork1_items);
let cut2 = fork1_user_inputs
.first()
.copied()
.unwrap_or(fork1_items.len());
let expected_after_second = fork1_items[..cut2].to_vec();
let fork2_raw_items = read_rollout_items(&fork2_path);
assert!(
fork2_raw_items