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#![warn(rust_2018_idioms)]
#![cfg(all(feature = "full", not(target_os = "wasi")))] // WASI does not support all fs operations
use tempfile::tempdir;
use tokio::fs;
#[tokio::test]
async fn rename_file() {
let temp_dir = tempdir().unwrap();
let file_path = temp_dir.path().join("a.txt");
fs::write(&file_path, b"Hello File!").await.unwrap();
assert!(fs::try_exists(&file_path).await.unwrap());
let new_file_path = temp_dir.path().join("b.txt");
fs::rename(&file_path, &new_file_path).await.unwrap();
assert!(fs::try_exists(new_file_path).await.unwrap());
// original file should no longer exist
match fs::try_exists(file_path).await {
Ok(exists) => assert!(!exists),
Err(_) => println!("ignored try_exists error after rename"),
};
}