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du error output should match GNU (#1776)

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* du error output should match GNU

* Created a new error macro which allows the customization of the
  "error:" string part
* Match the du output based on the type of error encountered. Can extend
  to handling other errors I guess.

* Rustfmt updates

* Added non-windows test for du no permission output
This commit is contained in:
Andrew Rowson 2021-04-17 09:26:52 +01:00 • committed by GitHub
parent fe207640e2
commit d0c7e8c09e
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3 changed files with 54 additions and 2 deletions
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30
tests/by-util/test_du.rs
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@ -190,3 +190,33 @@ fn test_du_time() {
assert_eq!(result.stderr, "");
assert_eq!(result.stdout, "0\t2015-05-15 00:00\tdate_test\n");
}
#[cfg(not(target_os = "windows"))]
#[cfg(feature = "chmod")]
#[test]
fn test_du_no_permission() {
let ts = TestScenario::new("du");
let chmod = ts.ccmd("chmod").arg("-r").arg(SUB_DIR_LINKS).run();
println!("chmod output: {:?}", chmod);
assert!(chmod.success);
let result = ts.ucmd().arg(SUB_DIR_LINKS).run();
ts.ccmd("chmod").arg("+r").arg(SUB_DIR_LINKS).run();
assert!(result.success);
assert_eq!(
result.stderr,
"du: cannot read directory ‘subdir/links‘: Permission denied (os error 13)\n"
);
_du_no_permission(result.stdout);
}
#[cfg(target_vendor = "apple")]
fn _du_no_permission(s: String) {
assert_eq!(s, "0\tsubdir/links\n");
}
#[cfg(all(not(target_vendor = "apple"), not(target_os = "windows")))]
fn _du_no_permission(s: String) {
assert_eq!(s, "4\tsubdir/links\n");
}