TEST-22: add --dry-run calls

aCdDefLprRwxXz are tested with --dry-run.
I added a primitive test of bc.
There were no tests for AhHt, and I didn't add those either.

test/units/testsuite-22.02.sh

@@ -14,6 +14,14 @@ mkdir  /tmp/{C,d,D,e}
 mkdir /tmp/d/2
 chmod 777 /tmp/d/2
 
+systemd-tmpfiles --dry-run --create - <<EOF
+d     /tmp/d/1    0755 daemon daemon - -
+d     /tmp/d/2    0755 daemon daemon - -
+EOF
+
+test ! -d /tmp/d/1
+test -d /tmp/d/2
+
 systemd-tmpfiles --create - <<EOF
 d     /tmp/d/1    0755 daemon daemon - -
 d     /tmp/d/2    0755 daemon daemon - -
@@ -104,6 +112,14 @@ chmod 755 /tmp/C/{1,2,3}-origin/f1
 mkdir /tmp/C/{2,3}
 touch /tmp/C/3/f1
 
+systemd-tmpfiles --dry-run --create - <<EOF
+C     /tmp/C/1    0755 daemon daemon - /tmp/C/1-origin
+C     /tmp/C/2    0755 daemon daemon - /tmp/C/2-origin
+EOF
+
+test ! -d /tmp/C/1
+test -d /tmp/C/2
+
 systemd-tmpfiles --create - <<EOF
 C     /tmp/C/1    0755 daemon daemon - /tmp/C/1-origin
 C     /tmp/C/2    0755 daemon daemon - /tmp/C/2-origin

test/units/testsuite-22.03.sh

@@ -12,6 +12,14 @@ touch /tmp/file-owned-by-root
 #
 # 'f'
 #
+systemd-tmpfiles --dry-run --create - <<EOF
+f     /tmp/f/1    0644 - - - -
+f     /tmp/f/2    0644 - - - This string should be written
+EOF
+
+test ! -e /tmp/f/1
+test ! -e /tmp/f/2
+
 systemd-tmpfiles --create - <<EOF
 f     /tmp/f/1    0644 - - - -
 f     /tmp/f/2    0644 - - - This string should be written
@@ -189,6 +197,11 @@ touch /tmp/w/overwritten
 touch /tmp/w/appended
 
 ### nop if the target does not exist.
+systemd-tmpfiles --dry-run --create - <<EOF
+w     /tmp/w/unexistent    0644 - - - new content
+EOF
+test ! -e /tmp/w/unexistent
+
 systemd-tmpfiles --create - <<EOF
 w     /tmp/w/unexistent    0644 - - - new content
 EOF
@@ -200,6 +213,12 @@ w     /tmp/w/unexistent    0644 - - - -
 EOF
 
 ### write into an empty file.
+systemd-tmpfiles --dry-run --create - <<EOF
+w     /tmp/w/overwritten    0644 - - - old content
+EOF
+test -f /tmp/w/overwritten
+test -z "$(< /tmp/w/overwritten)"
+
 systemd-tmpfiles --create - <<EOF
 w     /tmp/w/overwritten    0644 - - - old content
 EOF
@@ -207,6 +226,12 @@ test -f /tmp/w/overwritten
 test "$(< /tmp/w/overwritten)" = "old content"
 
 ### old content is overwritten
+systemd-tmpfiles --dry-run --create - <<EOF
+w     /tmp/w/overwritten    0644 - - - new content
+EOF
+test -f /tmp/w/overwritten
+test "$(< /tmp/w/overwritten)" = "old content"
+
 systemd-tmpfiles --create - <<EOF
 w     /tmp/w/overwritten    0644 - - - new content
 EOF
@@ -223,6 +248,10 @@ test -f /tmp/w/appended
 test "$(< /tmp/w/appended)" = "$(echo -ne '12\n3')"
 
 ### writing into an 'exotic' file should be allowed.
+systemd-tmpfiles --dry-run --create - <<EOF
+w     /dev/null    - - - - new content
+EOF
+
 systemd-tmpfiles --create - <<EOF
 w     /dev/null    - - - - new content
 EOF

test/units/testsuite-22.04.sh

@@ -9,6 +9,12 @@ rm -fr /tmp/p
 mkdir  /tmp/p
 touch  /tmp/p/f1
 
+systemd-tmpfiles --dry-run --create - <<EOF
+p     /tmp/p/fifo1    0666 - - - -
+EOF
+
+test ! -p /tmp/p/fifo1
+
 systemd-tmpfiles --create - <<EOF
 p     /tmp/p/fifo1    0666 - - - -
 EOF

test/units/testsuite-22.05.sh

@@ -12,6 +12,15 @@ mkdir  /tmp/{z,Z}
 mkdir /tmp/z/d{1,2}
 touch /tmp/z/f1 /tmp/z/d1/f11 /tmp/z/d2/f21
 
+systemd-tmpfiles --dry-run --create - <<EOF
+z     /tmp/z/f1    0755 daemon daemon - -
+z     /tmp/z/d1    0755 daemon daemon - -
+EOF
+
+test "$(stat -c %U /tmp/z/f1)" = "$USER"
+test "$(stat -c %U /tmp/z/d1)" = "$USER"
+test "$(stat -c %U /tmp/z/d1/f11)" = "$USER"
+
 systemd-tmpfiles --create - <<EOF
 z     /tmp/z/f1    0755 daemon daemon - -
 z     /tmp/z/d1    0755 daemon daemon - -

test/units/testsuite-22.06.sh

@@ -6,7 +6,14 @@ set -eux
 set -o pipefail
 
 test_snippet() {
-        systemd-tmpfiles "$@" - <<EOF
+    # First call with --dry-run to test the code paths
+    systemd-tmpfiles --dry-run "$@" - <<EOF
+d /var/tmp/foobar-test-06
+d /var/tmp/foobar-test-06/important
+R /var/tmp/foobar-test-06
+EOF
+
+    systemd-tmpfiles "$@" - <<EOF
 d /var/tmp/foobar-test-06
 d /var/tmp/foobar-test-06/important
 R /var/tmp/foobar-test-06

test/units/testsuite-22.11.sh

@@ -12,6 +12,19 @@ mkdir  /tmp/x
 mkdir -p /tmp/x/{1,2}
 touch /tmp/x/1/{x1,x2} /tmp/x/2/{y1,y2} /tmp/x/{z1,z2}
 
+systemd-tmpfiles --clean --dry-run - <<EOF
+d /tmp/x - - - 0
+x /tmp/x/1
+EOF
+
+find /tmp/x | sort
+test -f /tmp/x/1/x1
+test -f /tmp/x/1/x2
+test -f /tmp/x/2/y1
+test -f /tmp/x/2/y2
+test -f /tmp/x/z1
+test -f /tmp/x/z2
+
 systemd-tmpfiles --clean - <<EOF
 d /tmp/x - - - 0
 x /tmp/x/1
@@ -34,6 +47,19 @@ test ! -f /tmp/x/z2
 mkdir -p /tmp/x/{1,2}
 touch /tmp/x/1/{x1,x2} /tmp/x/2/{y1,y2} /tmp/x/{z1,z2}
 
+systemd-tmpfiles --dry-run --clean - <<EOF
+d /tmp/x - - - 0
+X /tmp/x/1
+EOF
+
+find /tmp/x | sort
+test -f /tmp/x/1/x1
+test -f /tmp/x/1/x2
+test -f /tmp/x/2/y1
+test -f /tmp/x/2/y2
+test -f /tmp/x/z1
+test -f /tmp/x/z2
+
 systemd-tmpfiles --clean - <<EOF
 d /tmp/x - - - 0
 X /tmp/x/1
@@ -56,6 +82,20 @@ test ! -f /tmp/x/z2
 mkdir -p /tmp/x/{1,2}
 touch /tmp/x/1/{x1,x2} /tmp/x/2/{y1,y2} /tmp/x/{z1,z2}
 
+systemd-tmpfiles --dry-run --clean - <<EOF
+d /tmp/x - - - 0
+x /tmp/x/[1345]
+x /tmp/x/z*
+EOF
+
+find /tmp/x | sort
+test -f /tmp/x/1/x1
+test -f /tmp/x/1/x2
+test -f /tmp/x/2/y1
+test -f /tmp/x/2/y2
+test -f /tmp/x/z1
+test -f /tmp/x/z2
+
 systemd-tmpfiles --clean - <<EOF
 d /tmp/x - - - 0
 x /tmp/x/[1345]
@@ -79,6 +119,20 @@ test -f /tmp/x/z2
 mkdir -p /tmp/x/{1,2}
 touch /tmp/x/1/{x1,x2} /tmp/x/2/{y1,y2} /tmp/x/{z1,z2}
 
+systemd-tmpfiles --dry-run --clean - <<EOF
+d /tmp/x - - - 0
+X /tmp/x/[1345]
+X /tmp/x/?[12]
+EOF
+
+find /tmp/x | sort
+test -f /tmp/x/1/x1
+test -f /tmp/x/1/x2
+test -f /tmp/x/2/y1
+test -f /tmp/x/2/y2
+test -f /tmp/x/z1
+test -f /tmp/x/z2
+
 systemd-tmpfiles --clean - <<EOF
 d /tmp/x - - - 0
 X /tmp/x/[1345]
@@ -102,6 +156,19 @@ test -f /tmp/x/z2
 mkdir -p /tmp/x/{1,2}/a
 touch /tmp/x/1/a/{x1,x2} /tmp/x/2/a/{y1,y2}
 
+systemd-tmpfiles --dry-run --clean - <<EOF
+# x/X is not supposed to influence r
+x /tmp/x/1/a
+X /tmp/x/2/a
+r /tmp/x/1
+r /tmp/x/2
+EOF
+
+test -f /tmp/x/1/a/x1
+test -f /tmp/x/1/a/x2
+test -f /tmp/x/2/a/y1
+test -f /tmp/x/2/a/y2
+
 systemd-tmpfiles --clean - <<EOF
 # x/X is not supposed to influence r
 x /tmp/x/1/a
@@ -125,6 +192,18 @@ test -f /tmp/x/2/a/y2
 mkdir -p /tmp/x/{1,2}/a
 touch /tmp/x/1/a/{x1,x2} /tmp/x/2/a/{y1,y2}
 
+systemd-tmpfiles --dry-run --remove - <<EOF
+# Check that X is honoured below R
+X /tmp/x/1/a
+X /tmp/x/2/a
+R /tmp/x/1
+EOF
+
+test -f /tmp/x/1/a/x1
+test -f /tmp/x/1/a/x2
+test -f /tmp/x/2/a/y1
+test -f /tmp/x/2/a/y2
+
 systemd-tmpfiles --remove - <<EOF
 # Check that X is honoured below R
 X /tmp/x/1/a
@@ -146,6 +225,17 @@ test -f /tmp/x/2/a/y2
 
 touch /tmp/x/{11,22,33}
 
+systemd-tmpfiles --dry-run --remove - <<EOF
+# Check that X is honoured below R
+r /tmp/x/11
+R /tmp/x/22
+D /tmp/x/33
+EOF
+
+test -f /tmp/x/11
+test -f /tmp/x/22
+test -f /tmp/x/33
+
 systemd-tmpfiles --remove - <<EOF
 # Check that X is honoured below R
 r /tmp/x/11

test/units/testsuite-22.12.sh

@@ -52,6 +52,16 @@ sleep 1
 touch /tmp/ageby/d{3,4}/f{2..4}
 
 # Check for cleanup of "f1" in each of "/tmp/d{1..4}".
+systemd-tmpfiles --dry-run --clean - <<-EOF
+d /tmp/ageby/d1 - - - a:1m -
+e /tmp/ageby/d2 - - - m:3m -
+D /tmp/ageby/d3 - - - c:2s -
+EOF
+
+for d in d{1..3}; do
+    test -f "/tmp/ageby/${d}/f1"
+done
+
 systemd-tmpfiles --clean - <<-EOF
 d /tmp/ageby/d1 - - - a:1m -
 e /tmp/ageby/d2 - - - m:3m -

test/units/testsuite-22.15.sh

@@ -12,6 +12,12 @@ mkdir  /tmp/L
 home='/somewhere'
 dst='/tmp/L/1'
 src="$home"
+HOME="$home" \
+systemd-tmpfiles --dry-run --create - <<EOF
+L     $dst    - - - - %h
+EOF
+test ! -h "$dst"
+
 HOME="$home" \
 systemd-tmpfiles --create - <<EOF
 L     $dst    - - - - %h
@@ -25,6 +31,12 @@ home='/%U'
 src="/usr/share/factory$home"
 mkdir -p "$root$src"
 dst="$root$home"
+HOME="$home" \
+systemd-tmpfiles --create --dry-run --root="$root" - <<EOF
+L     %h    - - - -
+EOF
+test ! -h "$dst"
+
 HOME="$home" \
 systemd-tmpfiles --create --root="$root" - <<EOF
 L     %h    - - - -

test/units/testsuite-22.16.sh

@@ -12,6 +12,11 @@ rm -f /tmp/acl_exec
 touch /tmp/acl_exec
 
 # No ACL set yet
+systemd-tmpfiles --dry-run --create - <<EOF
+a /tmp/acl_exec - - - - u:root:rwX
+EOF
+assert_not_in 'user:root:rw-' "$(getfacl -Ec /tmp/acl_exec)"
+
 systemd-tmpfiles --create - <<EOF
 a /tmp/acl_exec - - - - u:root:rwX
 EOF

test/units/testsuite-22.18.sh

@@ -8,26 +8,27 @@ set -o pipefail
 
 export SYSTEMD_LOG_LEVEL=debug
 
-systemd-tmpfiles --create - <<EOF
+c='
 d /tmp/somedir
 f /tmp/somedir/somefile - - - - baz
-EOF
+'
 
+systemd-tmpfiles --create - <<<"$c"
 test -f /tmp/somedir/somefile
 grep -q baz /tmp/somedir/somefile
 
-systemd-tmpfiles --purge - <<EOF
+systemd-tmpfiles --purge --dry-run - <<<"$c"
-d /tmp/somedir
+test -f /tmp/somedir/somefile
-f /tmp/somedir/somefile - - - - baz
+grep -q baz /tmp/somedir/somefile
-EOF
 
+systemd-tmpfiles --purge - <<<"$c"
 test ! -f /tmp/somedir/somefile
 test ! -d /tmp/somedir/
 
-systemd-tmpfiles --create --purge - <<EOF
+systemd-tmpfiles --create --purge --dry-run - <<<"$c"
-d /tmp/somedir
+test ! -f /tmp/somedir/somefile
-f /tmp/somedir/somefile - - - - baz
+test ! -d /tmp/somedir/
-EOF
 
+systemd-tmpfiles --create --purge - <<<"$c"
 test -f /tmp/somedir/somefile
 grep -q baz /tmp/somedir/somefile

test/units/testsuite-22.19.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# Tests for character and block device creation
+#
+set -eux
+set -o pipefail
+
+rm -rf /tmp/dev
+mkdir /tmp/dev
+
+# We are running tests in /tmp, which would normally be mounted nodev,
+# so we only try with --dry-run.
+
+systemd-tmpfiles --dry-run --create - <<EOF
+c /tmp/dev/char  - - - - 11:12
+b /tmp/dev/block - - - - 11:14
+EOF
+
+test ! -e /tmp/dev/char
+test ! -e /tmp/dev/block
+
+systemd-tmpfiles --dry-run --create - <<EOF
+c+ /tmp/dev/char  - - - - 11:12
+b+ /tmp/dev/block - - - - 11:14
+EOF
+
+test ! -e /tmp/dev/char
+test ! -e /tmp/dev/block