rust/tests/run-make/run-in-tmpdir-self-test/rmake.rs
2024-08-10 18:06:10 +00:00

39 lines
1.4 KiB
Rust

//! This is a self-test for the `run_in_tmpdir` helper in the support library. This test tries to
//! check that files and directories created within the temporary directory gets properly cleared
//! when returning from the closure.
use std::fs;
use std::path::PathBuf;
use run_make_support::{cwd, run_in_tmpdir};
fn main() {
let mut file_path = PathBuf::new();
let mut dir_path = PathBuf::new();
let mut readonly_file_path = PathBuf::new();
let test_cwd = cwd();
run_in_tmpdir(|| {
assert_ne!(test_cwd, cwd(), "test cwd should not be the same as tmpdir cwd");
file_path = cwd().join("foo.txt");
fs::write(&file_path, "hi").unwrap();
dir_path = cwd().join("bar");
fs::create_dir_all(&dir_path).unwrap();
readonly_file_path = cwd().join("readonly-file.txt");
fs::write(&readonly_file_path, "owo").unwrap();
let mut perms = fs::metadata(&readonly_file_path).unwrap().permissions();
perms.set_readonly(true);
fs::set_permissions(&mut readonly_file_path, perms).unwrap();
assert!(file_path.exists());
assert!(dir_path.exists());
assert!(readonly_file_path.exists());
});
assert!(!file_path.exists());
assert!(!dir_path.exists());
assert!(!readonly_file_path.exists());
assert_eq!(test_cwd, cwd(), "test cwd is not correctly restored");
}