ai-dispatch 9.6.0

Multi-AI CLI team orchestrator
// Tests for merge worktree isolation before group-level side effects.
// Covers group approval and GitButler lane setup guard ordering.
// Deps: merge handlers, Store, temp repos, command shims.

use super::*;
use crate::test_subprocess;
use crate::types::{AgentKind, Task, TaskId, TaskStatus, VerifyStatus};
use chrono::Local;
use std::env;
use std::path::{Path, PathBuf};

fn git(repo: &Path, args: &[&str]) {
    let status = Command::new("git")
        .args(["-C", &repo.to_string_lossy()])
        .args(args)
        .status()
        .unwrap();
    assert!(status.success());
}

fn init_repo() -> tempfile::TempDir {
    let repo = tempfile::tempdir().unwrap();
    git(repo.path(), &["init", "-b", "main"]);
    git(repo.path(), &["config", "user.email", "test@aid.dev"]);
    git(repo.path(), &["config", "user.name", "Test"]);
    std::fs::write(repo.path().join("init.txt"), "init\n").unwrap();
    git(repo.path(), &["add", "init.txt"]);
    git(repo.path(), &["commit", "-m", "init"]);
    repo
}

fn grouped_task(id: &str, group: &str, repo: &Path) -> Task {
    Task {
        id: TaskId(id.to_string()),
        agent: AgentKind::Codex,
        custom_agent_name: None,
        prompt: "test".to_string(),
        resolved_prompt: None,
        category: None,
        status: TaskStatus::Done,
        parent_task_id: None,
        workgroup_id: Some(group.to_string()),
        caller_kind: None,
        caller_session_id: None,
        agent_session_id: None,
        repo_path: Some(repo.to_string_lossy().to_string()),
        worktree_path: Some(repo.to_string_lossy().to_string()),
        worktree_branch: Some("main".to_string()),
        final_head_sha: None,
        final_branch: None,
        start_sha: None,
        log_path: None,
        output_path: None,
        tokens: None,
        prompt_tokens: None,
        duration_ms: None,
        model: None,
        cost_usd: None,
        exit_code: None,
        created_at: Local::now(),
        completed_at: None,
        verify: None,
        verify_status: VerifyStatus::Skipped,
        pending_reason: None,
        read_only: false,
        budget: false,
        audit_verdict: None,
        audit_report_path: None,
        delivery_assessment: None,
    }
}

#[test]
fn merge_group_with_output_refuses_first_poisoned_task_before_approval() {
    let _permit = test_subprocess::acquire();
    let repo = init_repo();
    let temp = tempfile::tempdir().unwrap();
    let log = temp.path().join("hiboss.log");
    let _path = PathGuard::prepend(temp.path());
    write_command(temp.path(), "hiboss", &format!("printf called > '{}'\n", log.display()));
    let store = Store::open_memory().unwrap();
    let group = "wg-poisoned-merge";
    let mut task = grouped_task("t-poisoned-first", group, repo.path());
    task.created_at = Local::now();
    store.insert_task(&task).unwrap();

    let err = merge_group_with_output(&store, group, true, false, false, None, false)
        .unwrap_err();

    assert!(err.to_string().contains("recorded worktree path"));
    assert!(!log.exists(), "approval ran before poisoned worktree validation");
}

#[test]
fn merge_group_lanes_refuses_first_poisoned_task_before_gitbutler_setup() {
    let _permit = test_subprocess::acquire();
    let repo = init_repo();
    std::fs::create_dir(repo.path().join(".aid")).unwrap();
    std::fs::write(
        repo.path().join(".aid/project.toml"),
        "[project]\nid = \"demo\"\ngitbutler = \"auto\"\n",
    )
    .unwrap();
    let temp = tempfile::tempdir().unwrap();
    let setup_log = temp.path().join("setup.log");
    let _cwd = CurrentDirGuard::set(repo.path());
    let _path = PathGuard::prepend(temp.path());
    let _but = EnvGuard::set("AID_GITBUTLER_TEST_PRESENT", "1");
    write_command(temp.path(), "but", &format!("pwd > '{}'\n", setup_log.display()));
    let store = Store::open_memory().unwrap();
    let group = "wg-poisoned-lanes";
    let mut task = grouped_task("t-poisoned-lanes-first", group, repo.path());
    task.created_at = Local::now();
    store.insert_task(&task).unwrap();

    let err = merge_lanes::merge_group_lanes(&store, group).unwrap_err();

    assert!(err.to_string().contains("recorded worktree path"));
    assert!(!setup_log.exists(), "GitButler setup ran before worktree validation");
}

fn write_command(dir: &Path, name: &str, body: &str) {
    let path = dir.join(name);
    std::fs::write(&path, format!("#!/bin/sh\n{body}")).unwrap();
    let mut perms = std::fs::metadata(&path).unwrap().permissions();
    #[cfg(unix)]
    {
        use std::os::unix::fs::PermissionsExt;
        perms.set_mode(0o755);
    }
    std::fs::set_permissions(path, perms).unwrap();
}

struct EnvGuard {
    key: &'static str,
    previous: Option<String>,
}

impl EnvGuard {
    fn set(key: &'static str, value: &str) -> Self {
        let previous = env::var(key).ok();
        unsafe { env::set_var(key, value) };
        Self { key, previous }
    }
}

impl Drop for EnvGuard {
    fn drop(&mut self) {
        match self.previous.take() {
            Some(value) => unsafe { env::set_var(self.key, value) },
            None => unsafe { env::remove_var(self.key) },
        }
    }
}

struct PathGuard {
    previous: Option<String>,
}

impl PathGuard {
    fn prepend(dir: &Path) -> Self {
        let previous = env::var("PATH").ok();
        let next = match previous.as_deref() {
            Some(path) => format!("{}:{path}", dir.display()),
            None => dir.display().to_string(),
        };
        unsafe { env::set_var("PATH", next) };
        Self { previous }
    }
}

impl Drop for PathGuard {
    fn drop(&mut self) {
        match self.previous.take() {
            Some(value) => unsafe { env::set_var("PATH", value) },
            None => unsafe { env::remove_var("PATH") },
        }
    }
}

struct CurrentDirGuard {
    previous: PathBuf,
}

impl CurrentDirGuard {
    fn set(path: &Path) -> Self {
        let previous = env::current_dir().unwrap();
        env::set_current_dir(path).unwrap();
        Self { previous }
    }
}

impl Drop for CurrentDirGuard {
    fn drop(&mut self) {
        env::set_current_dir(&self.previous).unwrap();
    }
}