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test: test new systemd-dissect --attach/--detach/--loop-ref= and /dev/loop/* symlinks

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Let's test that everything we just added works in combination.
This commit is contained in:
Lennart Poettering 2023-03-06 13:23:48 +01:00
parent 5ac52d1f7b
commit f5e46b9e09
1 changed files with 22 additions and 0 deletions
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22
test/units/testsuite-50.sh
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@ -430,6 +430,28 @@ mount -t ddi "${image}.gpt" "$T" -o ro,X-mount.mkdir,discard
umount -R "$T"
rmdir "$T"
LOOP="$(systemd-dissect --attach --loop-ref=waldo "${image}.raw")"
# Wait until the symlinks we want to test are established
udevadm trigger -w "$LOOP"
# Check if the /dev/loop/* symlinks really reference the right device
test /dev/loop/by-ref/waldo -ef "$LOOP"
if [ "$(stat -c '%Hd:%Ld' "${image}.raw")" != '?d:?d' ] ; then
# Old stat didn't know the %Hd and %Ld specifiers and turned them into ?d
# instead. Let's simply skip the test on such old systems.
test "$(stat -c '/dev/loop/by-inode/%Hd:%Ld-%i' "${image}.raw")" -ef "$LOOP"
fi
# Detach by loopback device
systemd-dissect --detach "$LOOP"
# Detach by backing inode
systemd-dissect --attach --loop-ref=waldo "${image}.raw"
systemd-dissect --detach "${image}.raw"
(! systemd-dissect --detach "${image}.raw")
echo OK >/testok
exit 0