test: add test for setting service manager environment variables

This is a follow-up for #10594. I somehow forgot to commit this when I
worked on that.

1 files changed, 33 insertions, 0 deletions

diff --git a/test/TEST-26-SETENV/testsuite.sh b/test/TEST-26-SETENV/testsuite.sh
new file mode 100755
index 0000000000..2d93cb49c9
--- /dev/null
+++ b/test/TEST-26-SETENV/testsuite.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+# ex: ts=8 sw=4 sts=4 et filetype=sh
+set -ex
+set -o pipefail
+
+# 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$'
+systemctl show-environment | grep -q '^FOO=BAR$'
+
+# Drop both
+systemctl unset-environment FOO PATH
+
+# Check that one is gone and the other reverted to the built-in
+! (systemctl show-environment | grep -q '^FOO=$')
+! (systemctl show-environment | grep -q '^PATH=.*testaddition$')
+systemctl show-environment | grep -q '^PATH='
+
+echo OK > /testok
+
+exit 0