Michael Bolin 4fa304306b tests: centralize in-flight turn cleanup helper (#12271)
## Why

Several tests intentionally exercise behavior while a turn is still
active. The cleanup sequence for those tests (`turn/interrupt` + waiting
for `codex/event/turn_aborted`) was duplicated across files, which made
the rationale easy to lose and the pattern easy to apply inconsistently.

This change centralizes that cleanup in one place with a single
explanatory doc comment.

## What Changed

### Added shared helper

In `codex-rs/app-server/tests/common/mcp_process.rs`:

- Added `McpProcess::interrupt_turn_and_wait_for_aborted(...)`.
- Added a doc comment explaining why explicit interrupt + terminal wait
is required for tests that intentionally leave a turn in-flight.

### Migrated call sites

Replaced duplicated interrupt/aborted blocks with the helper in:

- `codex-rs/app-server/tests/suite/v2/thread_resume.rs`
  - `thread_resume_rejects_history_when_thread_is_running`
  - `thread_resume_rejects_mismatched_path_when_thread_is_running`
- `codex-rs/app-server/tests/suite/v2/turn_start_zsh_fork.rs`
  - `turn_start_shell_zsh_fork_executes_command_v2`
-
`turn_start_shell_zsh_fork_subcommand_decline_marks_parent_declined_v2`
- `codex-rs/app-server/tests/suite/v2/turn_steer.rs`
  - `turn_steer_returns_active_turn_id`

### Existing cleanup retained

In `codex-rs/app-server/tests/suite/v2/turn_start.rs`:

- `turn_start_accepts_local_image_input` continues to explicitly wait
for `turn/completed` so the turn lifecycle is fully drained before test
exit.

## Verification

- `cargo test -p codex-app-server`
4fa304306b · 2026-02-20 01:47:34 +00:00
3,844 Commits
2026-01-08 07:50:58 -08:00
2025-04-16 12:56:08 -04:00
2026-02-06 14:41:53 +01:00
2025-04-16 12:56:08 -04:00

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