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use std::fs::{self, File};
use std::io;
use std::path::Path;
use tempfile::tempdir;
use reflink_copy::{reflink, reflink_or_copy};
#[test]
fn reflink_file_does_not_exist() {
let from = Path::new("test/nonexistent-bogus-path");
let to = Path::new("test/other-bogus-path");
reflink(from, to).unwrap_err();
assert!(!from.exists());
assert!(!to.exists());
}
#[test]
fn reflink_src_does_not_exist() {
let tmpdir = tempdir().unwrap();
let from = Path::new("test/nonexistent-bogus-path");
let to = tmpdir.path().join("out.txt");
fs::write(&to, b"hello").unwrap();
assert!(reflink(from, &to).is_err());
assert!(!from.exists());
assert_eq!(fs::read(&to).unwrap(), b"hello");
}
#[test]
fn reflink_dest_is_dir() {
let dir = tempdir().unwrap();
let src_file_path = dir.path().join("src.txt");
let _src_file = File::create(&src_file_path).unwrap();
let err = reflink(&src_file_path, dir.path()).unwrap_err();
println!("{:?}", err);
if cfg!(windows) {
assert_eq!(err.kind(), io::ErrorKind::PermissionDenied);
} else {
assert_eq!(err.kind(), io::ErrorKind::AlreadyExists);
}
}
#[cfg(not(any(
target_os = "macos",
target_os = "ios",
target_os = "tvos",
target_os = "watchos"
)))]
#[test]
fn reflink_src_is_dir() {
let dir = tempdir().unwrap();
let dest_file_path = dir.path().join("dest.txt");
let err = reflink(dir.path(), dest_file_path).unwrap_err();
println!("{:?}", err);
assert_eq!(err.kind(), io::ErrorKind::InvalidInput);
}
#[test]
fn reflink_existing_dest_dir_results_in_error() {
let dir = tempdir().unwrap();
let src_file_path = dir.path().join("src");
let dest_file_path = dir.path().join("dest");
fs::create_dir(&src_file_path).unwrap();
fs::create_dir(&dest_file_path).unwrap();
let err = reflink(&src_file_path, &dest_file_path).unwrap_err();
println!("{:?}", err);
if cfg!(any(
target_os = "macos",
target_os = "ios",
target_os = "tvos",
target_os = "watchos"
)) {
assert_eq!(err.kind(), io::ErrorKind::AlreadyExists);
} else {
assert_eq!(err.kind(), io::ErrorKind::InvalidInput);
}
}
#[test]
fn reflink_existing_dest_results_in_error() {
let dir = tempdir().unwrap();
let src_file_path = dir.path().join("src.txt");
let dest_file_path = dir.path().join("dest.txt");
let _src_file = File::create(&src_file_path).unwrap();
let _dest_file = File::create(&dest_file_path).unwrap();
let err = reflink(&src_file_path, &dest_file_path).unwrap_err();
println!("{:?}", err);
assert_eq!(err.kind(), io::ErrorKind::AlreadyExists)
}
#[test]
fn reflink_ok() {
let dir = tempdir().unwrap();
let src_file_path = dir.path().join("src.txt");
let dest_file_path = dir.path().join("dest.txt");
fs::write(&src_file_path, b"this is a test").unwrap();
let err = reflink(&src_file_path, dest_file_path);
println!("{:?}", err);
// do not panic for now, CI envs are old and will probably error out
// assert_eq!(fs::read(&dest_file_path).unwrap(), b"this is a test");
}
#[test]
fn reflink_or_copy_ok() {
let tmpdir = tempdir().unwrap();
let input = tmpdir.path().join("in.txt");
let out = tmpdir.path().join("out.txt");
fs::write(&input, b"hello").unwrap();
reflink_or_copy(&input, &out).unwrap();
assert_eq!(fs::read(&out).unwrap(), b"hello");
assert_eq!(
input.metadata().unwrap().permissions(),
out.metadata().unwrap().permissions()
);
}
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