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From 1c2a0bde1bc3510d9bdc07410ff90429ebed391f Mon Sep 17 00:00:00 2001
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From: Michal Sekletar <msekleta@redhat.com>
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Date: Wed, 23 Mar 2022 13:35:44 +0100
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Subject: [PATCH] tests: add test case for long unit names
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(cherry picked from commit 2ef0101e0b2813e8c99fc8f137dbaa763ca16057)
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Related: #1940973
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---
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 test/TEST-60-MOUNT-RATELIMIT/testsuite.sh | 19 +++++++++++++++++++
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 1 file changed, 19 insertions(+)
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diff --git a/test/TEST-60-MOUNT-RATELIMIT/testsuite.sh b/test/TEST-60-MOUNT-RATELIMIT/testsuite.sh
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index 8158754667..6211050faf 100755
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--- a/test/TEST-60-MOUNT-RATELIMIT/testsuite.sh
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+++ b/test/TEST-60-MOUNT-RATELIMIT/testsuite.sh
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@@ -7,6 +7,25 @@ systemd-analyze log-target journal
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 NUM_DIRS=20
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+# make sure we can handle mounts at very long paths such that mount unit name must be hashed to fall within our unit name limit
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+LONGPATH="$(printf "/$(printf "x%0.s" {1..255})%0.s" {1..7})"
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+LONGMNT="$(systemd-escape --suffix=mount --path "$LONGPATH")"
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+TS="$(date '+%H:%M:%S')"
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+
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+mkdir -p "$LONGPATH"
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+mount -t tmpfs tmpfs "$LONGPATH"
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+systemctl daemon-reload
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+
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+# check that unit is active(mounted)
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+systemctl --no-pager show -p SubState --value "$LONGPATH" | grep -q mounted
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+
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+# check that relevant part of journal doesn't contain any errors related to unit
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+[ "$(journalctl -b --since="$TS" --priority=err | grep -c "$LONGMNT")" = "0" ]
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+
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+# check that we can successfully stop the mount unit
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+systemctl stop "$LONGPATH"
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+rm -rf "$LONGPATH"
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+
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 # mount/unmount enough times to trigger the /proc/self/mountinfo parsing rate limiting
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 for ((i = 0; i < NUM_DIRS; i++)); do