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// Copyright 2013-2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![deny(rust_2018_idioms)]
use std::env;
use std::fs;
use std::path::Path;
use std::sync::mpsc::channel;
use std::thread;
use tempfile::{Builder, TempDir};
fn test_tempdir() {
let path = {
let p = Builder::new().prefix("foobar").tempdir_in(".").unwrap();
let p = p.path();
assert!(p.to_str().unwrap().contains("foobar"));
p.to_path_buf()
};
assert!(!path.exists());
}
fn test_prefix() {
let tmpfile = TempDir::with_prefix_in("prefix", ".").unwrap();
let name = tmpfile.path().file_name().unwrap().to_str().unwrap();
assert!(name.starts_with("prefix"));
}
fn test_customnamed() {
let tmpfile = Builder::new()
.prefix("prefix")
.suffix("suffix")
.rand_bytes(12)
.tempdir()
.unwrap();
let name = tmpfile.path().file_name().unwrap().to_str().unwrap();
assert!(name.starts_with("prefix"));
assert!(name.ends_with("suffix"));
assert_eq!(name.len(), 24);
}
fn test_rm_tempdir() {
let (tx, rx) = channel();
let f = move || {
let tmp = TempDir::new().unwrap();
tx.send(tmp.path().to_path_buf()).unwrap();
panic!("panic to unwind past `tmp`");
};
let _ = thread::spawn(f).join();
let path = rx.recv().unwrap();
assert!(!path.exists());
let tmp = TempDir::new().unwrap();
let path = tmp.path().to_path_buf();
let f = move || {
let _tmp = tmp;
panic!("panic to unwind past `tmp`");
};
let _ = thread::spawn(f).join();
assert!(!path.exists());
let path;
{
let f = move || TempDir::new().unwrap();
let tmp = thread::spawn(f).join().unwrap();
path = tmp.path().to_path_buf();
assert!(path.exists());
}
assert!(!path.exists());
let path;
{
let tmp = TempDir::new().unwrap();
path = tmp.into_path();
}
assert!(path.exists());
fs::remove_dir_all(&path).unwrap();
assert!(!path.exists());
}
fn test_rm_tempdir_close() {
let (tx, rx) = channel();
let f = move || {
let tmp = TempDir::new().unwrap();
tx.send(tmp.path().to_path_buf()).unwrap();
tmp.close().unwrap();
panic!("panic when unwinding past `tmp`");
};
let _ = thread::spawn(f).join();
let path = rx.recv().unwrap();
assert!(!path.exists());
let tmp = TempDir::new().unwrap();
let path = tmp.path().to_path_buf();
let f = move || {
let tmp = tmp;
tmp.close().unwrap();
panic!("panic when unwinding past `tmp`");
};
let _ = thread::spawn(f).join();
assert!(!path.exists());
let path;
{
let f = move || TempDir::new().unwrap();
let tmp = thread::spawn(f).join().unwrap();
path = tmp.path().to_path_buf();
assert!(path.exists());
tmp.close().unwrap();
}
assert!(!path.exists());
let path;
{
let tmp = TempDir::new().unwrap();
path = tmp.into_path();
}
assert!(path.exists());
fs::remove_dir_all(&path).unwrap();
assert!(!path.exists());
}
fn dont_double_panic() {
let r: Result<(), _> = thread::spawn(move || {
let tmpdir = TempDir::new().unwrap();
// Remove the temporary directory so that TempDir sees
// an error on drop
fs::remove_dir(tmpdir.path()).unwrap();
// Panic. If TempDir panics *again* due to the rmdir
// error then the process will abort.
panic!();
})
.join();
assert!(r.is_err());
}
fn in_tmpdir<F>(f: F)
where
F: FnOnce(),
{
let tmpdir = TempDir::new().unwrap();
assert!(env::set_current_dir(tmpdir.path()).is_ok());
f();
}
fn pass_as_asref_path() {
let tempdir = TempDir::new().unwrap();
takes_asref_path(&tempdir);
fn takes_asref_path<T: AsRef<Path>>(path: T) {
let path = path.as_ref();
assert!(path.exists());
}
}
#[test]
fn main() {
in_tmpdir(test_tempdir);
in_tmpdir(test_prefix);
in_tmpdir(test_customnamed);
in_tmpdir(test_rm_tempdir);
in_tmpdir(test_rm_tempdir_close);
in_tmpdir(dont_double_panic);
in_tmpdir(pass_as_asref_path);
}