From 6fb0c52295c21687a344d3ea8b076b64ebb43c95 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 25 Oct 2024 09:29:38 +0200
Subject: [PATCH] ci: add some basic testing of the new --pty and --pipe
 switches

---
 test/units/TEST-74-AUX-UTILS.run.sh | 10 ++++++++++
 test/units/util.sh                  |  9 +++++++++
 2 files changed, 19 insertions(+)

diff --git a/test/units/TEST-74-AUX-UTILS.run.sh b/test/units/TEST-74-AUX-UTILS.run.sh
index 3ef9c88d792..903ddde70ef 100755
--- a/test/units/TEST-74-AUX-UTILS.run.sh
+++ b/test/units/TEST-74-AUX-UTILS.run.sh
@@ -261,4 +261,14 @@ if [[ -e /usr/lib/pam.d/systemd-run0 ]] || [[ -e /etc/pam.d/systemd-run0 ]]; the
     assert_eq "$(run0 -D / pwd)" "/"
     assert_eq "$(run0 --user=testuser pwd)" "/home/testuser"
     assert_eq "$(run0 -D / --user=testuser pwd)" "/"
+
+    # Verify that all combinations of --pty/--pipe come to the sam results
+    assert_eq "$(run0 echo -n foo)" "foo"
+    assert_eq "$(run0 --pty echo -n foo)" "foo"
+    assert_eq "$(run0 --pipe echo -n foo)" "foo"
+    assert_eq "$(run0 --pipe --pty echo -n foo)" "foo"
+
+    # Validate when we invoke run0 without a tty, that depending on --pty it either allocates a tty or not
+    assert_neq "$(run0 --pty tty < /dev/null)" "not a tty"
+    assert_eq "$(run0 --pipe tty < /dev/null)" "not a tty"
 fi
diff --git a/test/units/util.sh b/test/units/util.sh
index 80ae8ffc5b5..51e0ad1ec0e 100755
--- a/test/units/util.sh
+++ b/test/units/util.sh
@@ -39,6 +39,15 @@ assert_eq() {(
     fi
 )}
 
+assert_neq() {(
+    set +ex
+
+    if [[ "${1?}" = "${2?}" ]]; then
+        echo "FAIL: not expected: '$2' actual: '$1'" >&2
+        exit 1
+    fi
+)}
+
 assert_le() {(
     set +ex
 
-- 
2.47.3