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From 680d2b33d3b2a0bed17c2c1594690155bdb910bb Mon Sep 17 00:00:00 2001
From: Frantisek Sumsal <frantisek@sumsal.cz>
Date: Tue, 1 Nov 2022 20:47:37 +0100
Subject: [PATCH] test: add a couple of sanity tests for systemctl

(cherry picked from commit d16684fe13e1d56e55df19b57b6c01b9a9303086)

Related #2138081
---
 test/units/testsuite-26.sh | 209 +++++++++++++++++++++++++++++++++++--
 1 file changed, 202 insertions(+), 7 deletions(-)

diff --git a/test/units/testsuite-26.sh b/test/units/testsuite-26.sh
index ad08415317..b83f85917b 100755
--- a/test/units/testsuite-26.sh
+++ b/test/units/testsuite-26.sh
@@ -3,32 +3,227 @@
 set -eux
 set -o pipefail
 
+at_exit() {
+    if [[ -v UNIT_NAME && -e "/usr/lib/systemd/system/$UNIT_NAME" ]]; then
+        rm -fv "/usr/lib/systemd/system/$UNIT_NAME"
+    fi
+}
+
+trap at_exit EXIT
+
+# Create a simple unit file for testing
+# Note: the service file is created under /usr on purpose to test
+#       the 'revert' verb as well
+UNIT_NAME="systemctl-test-$RANDOM.service"
+cat >"/usr/lib/systemd/system/$UNIT_NAME" <<\EOF
+[Unit]
+Description=systemctl test
+
+[Service]
+ExecStart=sleep infinity
+ExecReload=true
+
+# For systemctl clean
+CacheDirectory=%n
+ConfigurationDirectory=%n
+LogsDirectory=%n
+RuntimeDirectory=%n
+StateDirectory=%n
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+# Configure the preset setting for the unit file
+mkdir /run/systemd/system-preset/
+echo "disable $UNIT_NAME" >/run/systemd/system-preset/99-systemd-test.preset
+
+systemctl daemon-reload
+
+# Argument help
+systemctl --state help
+systemctl --signal help
+systemctl --type help
+
+# list-dependencies
+systemctl list-dependencies systemd-journald
+systemctl list-dependencies --after systemd-journald
+systemctl list-dependencies --before systemd-journald
+systemctl list-dependencies --after --reverse systemd-journald
+systemctl list-dependencies --before --reverse systemd-journald
+systemctl list-dependencies --plain systemd-journald
+
+# list-* verbs
+systemctl list-units
+systemctl list-units --recursive
+systemctl list-units --type=socket
+systemctl list-units --type=service,timer
+systemctl list-units --legend=yes -a "systemd-*"
+systemctl list-units --state=active
+systemctl list-units --with-dependencies systemd-journald.service
+systemctl list-units --with-dependencies --after systemd-journald.service
+systemctl list-units --with-dependencies --before --reverse systemd-journald.service
+systemctl list-sockets
+systemctl list-sockets --legend=no -a "*journal*"
+systemctl list-sockets --show-types
+systemctl list-sockets --state=listening
+systemctl list-timers -a -l
+systemctl list-unit-files
+systemctl list-unit-files "*journal*"
+systemctl list-jobs
+systemctl list-jobs --after
+systemctl list-jobs --before
+systemctl list-jobs --after --before
+systemctl list-jobs "*"
+
+# Basic service management
+systemctl start --show-transaction "$UNIT_NAME"
+systemctl status -n 5 "$UNIT_NAME"
+systemctl is-active "$UNIT_NAME"
+systemctl reload -T "$UNIT_NAME"
+systemctl restart -T "$UNIT_NAME"
+systemctl try-restart --show-transaction "$UNIT_NAME"
+systemctl try-reload-or-restart --show-transaction "$UNIT_NAME"
+systemctl kill "$UNIT_NAME"
+(! systemctl is-active "$UNIT_NAME")
+systemctl restart "$UNIT_NAME"
+systemctl is-active "$UNIT_NAME"
+systemctl restart "$UNIT_NAME"
+systemctl stop "$UNIT_NAME"
+(! systemctl is-active "$UNIT_NAME")
+
+# enable/disable/preset
+(! systemctl is-enabled "$UNIT_NAME")
+systemctl enable "$UNIT_NAME"
+systemctl is-enabled -l "$UNIT_NAME"
+# We created a preset file for this unit above with a "disable" policy
+systemctl preset "$UNIT_NAME"
+(! systemctl is-enabled "$UNIT_NAME")
+systemctl reenable "$UNIT_NAME"
+systemctl is-enabled "$UNIT_NAME"
+systemctl preset --preset-mode=enable-only "$UNIT_NAME"
+systemctl is-enabled "$UNIT_NAME"
+systemctl preset --preset-mode=disable-only "$UNIT_NAME"
+(! systemctl is-enabled "$UNIT_NAME")
+systemctl enable --runtime "$UNIT_NAME"
+[[ -e "/run/systemd/system/multi-user.target.wants/$UNIT_NAME" ]]
+systemctl is-enabled "$UNIT_NAME"
+systemctl disable "$UNIT_NAME"
+# The unit should be still enabled, as we didn't use the --runtime switch
+systemctl is-enabled "$UNIT_NAME"
+systemctl disable --runtime "$UNIT_NAME"
+(! systemctl is-enabled "$UNIT_NAME")
+
+# mask/unmask/revert
+systemctl disable "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == disabled ]]
+systemctl mask "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == masked ]]
+systemctl unmask "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == disabled ]]
+systemctl mask "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == masked ]]
+systemctl revert "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == disabled ]]
+systemctl mask --runtime "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == masked-runtime ]]
+# This should be a no-op without the --runtime switch
+systemctl unmask "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == masked-runtime ]]
+systemctl unmask --runtime "$UNIT_NAME"
+[[ "$(systemctl is-enabled "$UNIT_NAME")" == disabled ]]
+
+# add-wants/add-requires
+(! systemctl show -P Wants "$UNIT_NAME" | grep "systemd-journald.service")
+systemctl add-wants "$UNIT_NAME" "systemd-journald.service"
+systemctl show -P Wants "$UNIT_NAME" | grep "systemd-journald.service"
+(! systemctl show -P Requires "$UNIT_NAME" | grep "systemd-journald.service")
+systemctl add-requires "$UNIT_NAME" "systemd-journald.service"
+systemctl show -P Requires "$UNIT_NAME" | grep "systemd-journald.service"
+
+# set-property
+systemctl set-property "$UNIT_NAME" IPAccounting=yes MemoryMax=1234567
+systemctl cat "$UNIT_NAME"
+# These properties should be saved to a persistent storage
+grep -r "IPAccounting=yes" "/etc/systemd/system.control/${UNIT_NAME}.d/"
+grep -r "MemoryMax=1234567" "/etc/systemd/system.control/${UNIT_NAME}.d"
+systemctl revert "$UNIT_NAME"
+(! grep -r "IPAccounting=" "/etc/systemd/system.control/${UNIT_NAME}.d/")
+(! grep -r "MemoryMax=" "/etc/systemd/system.control/${UNIT_NAME}.d/")
+# Same stuff, but with --runtime, which should use /run
+systemctl set-property --runtime "$UNIT_NAME" CPUAccounting=no CPUQuota=10%
+systemctl cat "$UNIT_NAME"
+grep -r "CPUAccounting=no" "/run/systemd/system.control/${UNIT_NAME}.d/"
+grep -r "CPUQuota=10%" "/run/systemd/system.control/${UNIT_NAME}.d/"
+systemctl revert "$UNIT_NAME"
+(! grep -r "CPUAccounting=" "/run/systemd/system.control/${UNIT_NAME}.d/")
+(! grep -r "CPUQuota=" "/run/systemd/system.control/${UNIT_NAME}.d/")
+
+# Failed-unit related tests
+systemd-run --unit "failed.service" /bin/false
+systemctl is-failed failed.service
+systemctl --state=failed | grep failed.service
+systemctl --failed | grep failed.service
+systemctl reset-failed "fail*.service"
+(! systemctl is-failed failed.service)
+
+# clean
+systemctl restart "$UNIT_NAME"
+systemctl stop "$UNIT_NAME"
+# Check if the directories from *Directory= directives exist
+# (except RuntimeDirectory= in /run, which is removed when the unit is stopped)
+for path in /var/lib /var/cache /var/log /etc; do
+    [[ -e "$path/$UNIT_NAME" ]]
+done
+# Run the cleanup
+for what in "" configuration state cache logs runtime all; do
+    systemctl clean ${what:+--what="$what"} "$UNIT_NAME"
+done
+# All respective directories should be removed
+for path in /run /var/lib /var/cache /var/log /etc; do
+    [[ ! -e "$path/$UNIT_NAME" ]]
+done
+
+# --timestamp
+for value in pretty us µs utc us+utc µs+utc; do
+    systemctl show -P KernelTimestamp --timestamp="$value"
+done
+
+# Aux verbs & assorted checks
+systemctl is-active "*-journald.service"
+systemctl cat "*journal*"
+systemctl cat "$UNIT_NAME"
+systemctl help "$UNIT_NAME"
+
+# show/set-environment
 # Make sure PATH is set
 systemctl show-environment | grep -q '^PATH='
-
 # Let's add an entry and override a built-in one
 systemctl set-environment PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/testaddition FOO=BAR
-
 # Check that both are set
 systemctl show-environment | grep -q '^PATH=.*testaddition$'
 systemctl show-environment | grep -q '^FOO=BAR$'
-
 systemctl daemon-reload
-
 # Check again after the reload
 systemctl show-environment | grep -q '^PATH=.*testaddition$'
 systemctl show-environment | grep -q '^FOO=BAR$'
-
 # Check that JSON output is supported
 systemctl show-environment --output=json | grep -q '^{.*"FOO":"BAR".*}$'
-
 # Drop both
 systemctl unset-environment FOO PATH
-
 # Check that one is gone and the other reverted to the built-in
 systemctl show-environment | grep '^FOO=$' && exit 1
 systemctl show-environment | grep '^PATH=.*testaddition$' && exit 1
 systemctl show-environment | grep -q '^PATH='
+# Check import-environment
+export IMPORT_THIS=hello
+export IMPORT_THIS_TOO=world
+systemctl import-environment IMPORT_THIS IMPORT_THIS_TOO
+systemctl show-environment | grep "^IMPORT_THIS=$IMPORT_THIS"
+systemctl show-environment | grep "^IMPORT_THIS_TOO=$IMPORT_THIS_TOO"
+systemctl unset-environment IMPORT_THIS IMPORT_THIS_TOO
+(! systemctl show-environment | grep "^IMPORT_THIS=")
+(! systemctl show-environment | grep "^IMPORT_THIS_TOO=")
 
 echo OK >/testok
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