Function tmp_env::set_current_dir [−][src]
pub fn set_current_dir<P: AsRef<Path>>(path: P) -> Result<CurrentDir, Error>
Expand description
Memorize the current path and switch to the given path. Once the datastructure is dropped, switch back to the original path automatically.
{ let _tmp_current_dir = tmp_env::set_current_dir("src").expect("should set the new current_dir"); let current_dir = std::env::current_dir().expect("cannot get current dir from std env"); assert!(current_dir.ends_with("src")); } let current_dir = std::env::current_dir().expect("cannot get current dir from std env"); assert!(!current_dir.ends_with("src")); // Because guard is dropped tmp_env::set_current_dir("target").expect("should set the new current_dir"); assert!(!current_dir.ends_with("target"));