//! `write` 工具的单元测试。
//! Unit tests for the `write` tool.

use focus_core::tool::Tool;
use focus_json::JsonValue;
use focus_tools::WriteTool;
use std::fs;
use std::path::PathBuf;

fn temp_dir(tag: &str) -> PathBuf {
    let d = std::env::temp_dir().join(format!("focus-tools-write-{}-{}", tag, std::process::id()));
    let _ = fs::remove_dir_all(&d);
    fs::create_dir_all(&d).unwrap();
    d
}

#[test]
fn writes_and_overwrites() {
    let dir = temp_dir("overwrite");
    fs::write(dir.join("a.txt"), "old").unwrap();
    let tool = WriteTool::new(&dir);
    let mut args = JsonValue::obj();
    args.insert("path", "a.txt".into()).ok();
    args.insert("content", "new content".into()).ok();
    let r = tool.execute("id", &args, None).unwrap();
    assert!(r.content[0].as_text().unwrap().text.contains("11 bytes"));
    assert_eq!(
        fs::read_to_string(dir.join("a.txt")).unwrap(),
        "new content"
    );
}

#[test]
fn creates_parent_directories() {
    let dir = temp_dir("nested");
    let tool = WriteTool::new(&dir);
    let mut args = JsonValue::obj();
    args.insert("path", "deep/nested/file.txt".into()).ok();
    args.insert("content", "hi".into()).ok();
    tool.execute("id", &args, None).unwrap();
    assert_eq!(
        fs::read_to_string(dir.join("deep/nested/file.txt")).unwrap(),
        "hi"
    );
}