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#![warn(rust_2018_idioms)]
use tokio::fs;
use tokio_test::assert_ok;
use std::sync::{Arc, Mutex};
use tempfile::tempdir;
#[tokio::test]
async fn create_dir() {
let base_dir = tempdir().unwrap();
let new_dir = base_dir.path().join("foo");
let new_dir_2 = new_dir.clone();
assert_ok!(fs::create_dir(new_dir).await);
assert!(new_dir_2.is_dir());
}
#[tokio::test]
async fn create_all() {
let base_dir = tempdir().unwrap();
let new_dir = base_dir.path().join("foo").join("bar");
let new_dir_2 = new_dir.clone();
assert_ok!(fs::create_dir_all(new_dir).await);
assert!(new_dir_2.is_dir());
}
#[tokio::test]
async fn remove() {
let base_dir = tempdir().unwrap();
let new_dir = base_dir.path().join("foo");
let new_dir_2 = new_dir.clone();
std::fs::create_dir(new_dir.clone()).unwrap();
assert_ok!(fs::remove_dir(new_dir).await);
assert!(!new_dir_2.exists());
}
#[tokio::test]
async fn read_inherent() {
let base_dir = tempdir().unwrap();
let p = base_dir.path();
std::fs::create_dir(p.join("aa")).unwrap();
std::fs::create_dir(p.join("bb")).unwrap();
std::fs::create_dir(p.join("cc")).unwrap();
let files = Arc::new(Mutex::new(Vec::new()));
let f = files.clone();
let p = p.to_path_buf();
let mut entries = fs::read_dir(p).await.unwrap();
while let Some(e) = assert_ok!(entries.next_entry().await) {
let s = e.file_name().to_str().unwrap().to_string();
f.lock().unwrap().push(s);
}
let mut files = files.lock().unwrap();
files.sort(); // because the order is not guaranteed
assert_eq!(
*files,
vec!["aa".to_string(), "bb".to_string(), "cc".to_string()]
);
}
#[tokio::test]
async fn read_stream() {
use futures::StreamExt;
let base_dir = tempdir().unwrap();
let p = base_dir.path();
std::fs::create_dir(p.join("aa")).unwrap();
std::fs::create_dir(p.join("bb")).unwrap();
std::fs::create_dir(p.join("cc")).unwrap();
let files = Arc::new(Mutex::new(Vec::new()));
let f = files.clone();
let p = p.to_path_buf();
let mut entries = fs::read_dir(p).await.unwrap();
while let Some(res) = entries.next().await {
let e = assert_ok!(res);
let s = e.file_name().to_str().unwrap().to_string();
f.lock().unwrap().push(s);
}
let mut files = files.lock().unwrap();
files.sort(); // because the order is not guaranteed
assert_eq!(
*files,
vec!["aa".to_string(), "bb".to_string(), "cc".to_string()]
);
}
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