diff options
Diffstat (limited to 'src/tests.rs')
| -rw-r--r-- | src/tests.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/tests.rs b/src/tests.rs index 8847323..b1df193 100644 --- a/src/tests.rs +++ b/src/tests.rs @@ -828,3 +828,40 @@ fn walk_dir_send_sync_traits() { assert_send::<FilterEntry<IntoIter, u8>>(); assert_sync::<FilterEntry<IntoIter, u8>>(); } + +// We cannot mount different volumes for the sake of the test, but +// on Linux systems we can assume that /sys is a mounted volume. +#[test] +#[cfg(target_os = "linux")] +fn walk_dir_stay_on_file_system() { + // If for some reason /sys doesn't exist or isn't a directory, just skip + // this test. + if !Path::new("/sys").is_dir() { + return; + } + + let actual = td("same_file", vec![ + td("a", vec![tld("/sys", "alink")]), + ]); + let unfollowed = td("same_file", vec![ + td("a", vec![tld("/sys", "alink")]), + ]); + let (_tmp, got) = dir_setup_with(&actual, |wd| wd); + assert_tree_eq!(unfollowed, got); + + // Create a symlink to sys and enable following symlinks. If the + // same_file_system option doesn't work, then this probably will hit a + // permission error. Otherwise, it should just skip over the symlink + // completely. + let actual = td("same_file", vec![ + td("a", vec![tld("/sys", "alink")]), + ]); + let followed = td("same_file", vec![ + td("a", vec![td("alink", vec![])]), + ]); + let (_tmp, got) = dir_setup_with(&actual, |wd| { + wd.follow_links(true).same_file_system(true) + }); + assert_tree_eq!(followed, got); +} + |