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46 lines
1.9 KiB
46 lines
1.9 KiB
use nix::dir::{Dir, Type};
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use nix::fcntl::OFlag;
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use nix::sys::stat::Mode;
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use std::fs::File;
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use tempfile::tempdir;
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#[test]
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fn read() {
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let tmp = tempdir().unwrap();
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File::create(&tmp.path().join("foo")).unwrap();
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::std::os::unix::fs::symlink("foo", tmp.path().join("bar")).unwrap();
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let mut dir = Dir::open(tmp.path(), OFlag::O_DIRECTORY | OFlag::O_RDONLY | OFlag::O_CLOEXEC,
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Mode::empty()).unwrap();
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let mut entries: Vec<_> = dir.iter().map(|e| e.unwrap()).collect();
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entries.sort_by(|a, b| a.file_name().cmp(b.file_name()));
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let entry_names: Vec<_> = entries
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.iter()
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.map(|e| e.file_name().to_str().unwrap().to_owned())
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.collect();
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assert_eq!(&entry_names[..], &[".", "..", "bar", "foo"]);
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// Check file types. The system is allowed to return DT_UNKNOWN (aka None here) but if it does
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// return a type, ensure it's correct.
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assert!(&[Some(Type::Directory), None].contains(&entries[0].file_type())); // .: dir
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assert!(&[Some(Type::Directory), None].contains(&entries[1].file_type())); // ..: dir
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assert!(&[Some(Type::Symlink), None].contains(&entries[2].file_type())); // bar: symlink
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assert!(&[Some(Type::File), None].contains(&entries[3].file_type())); // foo: regular file
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}
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#[test]
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fn rewind() {
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let tmp = tempdir().unwrap();
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let mut dir = Dir::open(tmp.path(), OFlag::O_DIRECTORY | OFlag::O_RDONLY | OFlag::O_CLOEXEC,
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Mode::empty()).unwrap();
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let entries1: Vec<_> = dir.iter().map(|e| e.unwrap().file_name().to_owned()).collect();
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let entries2: Vec<_> = dir.iter().map(|e| e.unwrap().file_name().to_owned()).collect();
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let entries3: Vec<_> = dir.into_iter().map(|e| e.unwrap().file_name().to_owned()).collect();
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assert_eq!(entries1, entries2);
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assert_eq!(entries2, entries3);
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}
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#[test]
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fn ebadf() {
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assert_eq!(Dir::from_fd(-1).unwrap_err(), nix::Error::Sys(nix::errno::Errno::EBADF));
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}
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