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go-mtree/test/cli/0003.sh
Aleksa Sarai 945eeeda2d
tests: cli: properly check for exit status codes in error cases
POSIX explicitly requires "set -e" to NOT treat "! cmd" as an error even
if fails[1]:

> The -e setting shall be ignored when executing the compound list
> following the while, until, if, or elif reserved word, *a pipeline
> beginning with the ! reserved word*, or any command of an AND-OR list
> other than the last. *[emphasis added]*

And bash has similar documentation on this behaviour[2].

This means that our tests were completely ineffective at detecting error
codes from gomtree, and as a result we did not detect the regression in
commit 83c9fdb78b ("refactor: prefactor for adding new subcommands").

The simplest solution (as done in this patch) is to just wrap all of the
failing examples in a subshell, which causes the shell to no longer
consider them exempt from "set -e". A more complete solution would be to
either switch to something like bats entirely or at least use something
like their "run" helper function to test for exit status codes
correctly.

[1]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#set
[2]: https://www.gnu.org/software/bash/manual/html_node/The-Set-Builtin.html

Fixes: 5d7f6c36e0 ("walk: directory is expected to be walked. A file is not.")
Fixes: 2d841d54bf ("test: testing the double -f comparison")
Fixes: f6c295f2e9 ("test: cli: add unicode verification test")
Fixes: 071977cef6 ("test: cli: add xattr tests")
Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
2025-09-08 23:53:21 +10:00

33 lines
1 KiB
Bash

#!/bin/bash
set -e
name=$(basename $0)
root="$(dirname $(dirname $(dirname $0)))"
gomtree=$(go run ${root}/test/realpath/main.go ${root}/gomtree)
t=$(mktemp -d -t go-mtree.XXXXXX)
setfattr -n user.has.xattrs -v "true" "${t}" || exit 0
echo "[${name}] Running in ${t}"
mkdir "${t}/dir"
touch "${t}/dir/file"
setfattr -n user.mtree.testing -v "apples and=bananas" "${t}/dir/file"
$gomtree -c -k "sha256digest,xattrs" -p ${t}/dir > ${t}/${name}.mtree
setfattr -n user.mtree.testing -v "bananas and lemons" "${t}/dir/file"
(! $gomtree -p ${t}/dir -f ${t}/${name}.mtree)
setfattr -x user.mtree.testing "${t}/dir/file"
(! $gomtree -p ${t}/dir -f ${t}/${name}.mtree)
setfattr -n user.mtree.testing -v "apples and=bananas" "${t}/dir/file"
setfattr -n user.mtree.another -v "another a=b" "${t}/dir/file"
(! $gomtree -p ${t}/dir -f ${t}/${name}.mtree)
setfattr -n user.mtree.testing -v "apples and=bananas" "${t}/dir/file"
setfattr -x user.mtree.another "${t}/dir/file"
$gomtree -p ${t}/dir -f ${t}/${name}.mtree
rm -fr ${t}