test: move TEST-25-IMPORT setup to static files

Also run mask_supporting_services() here.

test/units/testsuite-25.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=TEST-25-IMPORT
+
+[Service]
+ExecStart=/usr/lib/systemd/tests/testdata/units/%N.sh
+Type=oneshot

test/units/testsuite-25.sh

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+#!/usr/bin/env bash
+set -ex
+set -o pipefail
+
+export SYSTEMD_PAGER=cat
+
+dd if=/dev/urandom of=/var/tmp/testimage.raw bs=$((1024*1024+7)) count=5
+
+# Test import
+machinectl import-raw /var/tmp/testimage.raw
+machinectl image-status testimage
+test -f /var/lib/machines/testimage.raw
+cmp /var/tmp/testimage.raw /var/lib/machines/testimage.raw
+
+# Test export
+machinectl export-raw testimage /var/tmp/testimage2.raw
+cmp /var/tmp/testimage.raw /var/tmp/testimage2.raw
+rm /var/tmp/testimage2.raw
+
+# Test compressed export (gzip)
+machinectl export-raw testimage /var/tmp/testimage2.raw.gz
+gunzip /var/tmp/testimage2.raw.gz
+cmp /var/tmp/testimage.raw /var/tmp/testimage2.raw
+rm /var/tmp/testimage2.raw
+
+# Test clone
+machinectl clone testimage testimage3
+test -f /var/lib/machines/testimage3.raw
+machinectl image-status testimage3
+test -f /var/lib/machines/testimage.raw
+machinectl image-status testimage
+cmp /var/tmp/testimage.raw /var/lib/machines/testimage.raw
+cmp /var/tmp/testimage.raw /var/lib/machines/testimage3.raw
+
+# Test removal
+machinectl remove testimage
+! test -f /var/lib/machines/testimage.raw
+! machinectl image-status testimage
+
+# Test export of clone
+machinectl export-raw testimage3 /var/tmp/testimage3.raw
+cmp /var/tmp/testimage.raw /var/tmp/testimage3.raw
+rm /var/tmp/testimage3.raw
+
+# Test rename
+machinectl rename testimage3 testimage4
+test -f /var/lib/machines/testimage4.raw
+machinectl image-status testimage4
+! test -f /var/lib/machines/testimage3.raw
+! machinectl image-status testimage3
+cmp /var/tmp/testimage.raw /var/lib/machines/testimage4.raw
+
+# Test export of rename
+machinectl export-raw testimage4 /var/tmp/testimage4.raw
+cmp /var/tmp/testimage.raw /var/tmp/testimage4.raw
+rm /var/tmp/testimage4.raw
+
+# Test removal
+machinectl remove testimage4
+! test -f /var/lib/machines/testimage4.raw
+! machinectl image-status testimage4
+
+# → And now, let's test directory trees ← #
+
+# Set up a directory we can import
+mkdir /var/tmp/scratch
+mv /var/tmp/testimage.raw /var/tmp/scratch/
+touch /var/tmp/scratch/anotherfile
+mkdir /var/tmp/scratch/adirectory
+echo "piep" > /var/tmp/scratch/adirectory/athirdfile
+
+# Test import-fs
+machinectl import-fs /var/tmp/scratch/
+test -d /var/lib/machines/scratch
+machinectl image-status scratch
+
+# Test export-tar
+machinectl export-tar scratch /var/tmp/scratch.tar.gz
+test -f /var/tmp/scratch.tar.gz
+mkdir /var/tmp/extract
+(cd /var/tmp/extract ; tar xzf /var/tmp/scratch.tar.gz)
+diff -r /var/tmp/scratch/ /var/tmp/extract/
+rm -rf /var/tmp/extract
+
+# Test import-tar
+machinectl import-tar /var/tmp/scratch.tar.gz scratch2
+test -d /var/lib/machines/scratch2
+machinectl image-status scratch2
+diff -r /var/tmp/scratch/ /var/lib/machines/scratch2
+
+# Test removal
+machinectl remove scratch
+! test -f /var/lib/machines/scratch
+! machinectl image-status scratch
+
+# Test clone
+machinectl clone scratch2 scratch3
+test -d /var/lib/machines/scratch2
+machinectl image-status scratch2
+test -d /var/lib/machines/scratch3
+machinectl image-status scratch3
+diff -r /var/tmp/scratch/ /var/lib/machines/scratch3
+
+# Test removal
+machinectl remove scratch2
+! test -f /var/lib/machines/scratch2
+! machinectl image-status scratch2
+
+# Test rename
+machinectl rename scratch3 scratch4
+test -d /var/lib/machines/scratch4
+machinectl image-status scratch4
+! test -f /var/lib/machines/scratch3
+! machinectl image-status scratch3
+diff -r /var/tmp/scratch/ /var/lib/machines/scratch4
+
+# Test removal
+machinectl remove scratch4
+! test -f /var/lib/machines/scratch4
+! machinectl image-status scratch4
+
+# Test import-tar hypen/stdin pipe behavior
+cat /var/tmp/scratch.tar.gz | machinectl import-tar - scratch5
+test -d /var/lib/machines/scratch5
+machinectl image-status scratch5
+diff -r /var/tmp/scratch/ /var/lib/machines/scratch5
+
+# Test export-tar hypen/stdout pipe behavior
+mkdir -p /var/tmp/extract
+machinectl export-tar scratch5 - | tar xvf - -C /var/tmp/extract/
+diff -r /var/tmp/scratch/ /var/tmp/extract/
+rm -rf /var/tmp/extract
+
+rm -rf /var/tmp/scratch
+
+echo OK > /testok
+
+exit 0