test/units/testsuite-15.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -eux
   4 set -o pipefail
   5
   6 _clear_service () {
   7     local SERVICE_NAME="${1:?_clear_service: missing argument}"
   8     systemctl stop "$SERVICE_NAME.service" 2>/dev/null || :
   9     rm -f  /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service
  10     rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service.d
  11     rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service.{wants,requires}
  12     if [[ $SERVICE_NAME == *@ ]]; then
  13         systemctl stop "$SERVICE_NAME"*.service 2>/dev/null || :
  14         rm -f  /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME"*.service
  15         rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME"*.service.d
  16         rm -fr /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME"*.service.{wants,requires}
  17     fi
  18 }
  19
  20 clear_services () {
  21     for u in "$@"; do
  22         _clear_service "$u"
  23     done
  24     systemctl daemon-reload
  25 }
  26
  27 create_service () {
  28     local SERVICE_NAME="${1:?create_service: missing argument}"
  29     clear_services "$SERVICE_NAME"
  30
  31     cat >/etc/systemd/system/"$SERVICE_NAME".service <<EOF
  32 [Unit]
  33 Description=$SERVICE_NAME unit
  34
  35 [Service]
  36 ExecStart=sleep 100000
  37 EOF
  38     mkdir -p /{etc,run,usr/lib}/systemd/system/"$SERVICE_NAME".service.{d,wants,requires}
  39 }
  40
  41 create_services () {
  42     for u in "$@"; do
  43         create_service "$u"
  44     done
  45 }
  46
  47 check_ok () {
  48     x="$(systemctl show --value -p "${2:?}" "${1:?}")"
  49     case "$x" in
  50         *${3:?}*) return 0 ;;
  51         *)        return 1 ;;
  52     esac
  53 }
  54
  55 check_ko () {
  56     ! check_ok "$@"
  57 }
  58
  59 test_basic_dropins () {
  60     echo "Testing basic dropins..."
  61
  62     echo "*** test a wants b wants c"
  63     create_services test15-a test15-b test15-c
  64     ln -s ../test15-b.service /etc/systemd/system/test15-a.service.wants/
  65     ln -s ../test15-c.service /etc/systemd/system/test15-b.service.wants/
  66     check_ok test15-a Wants test15-b.service
  67     check_ok test15-b Wants test15-c.service
  68
  69     echo "*** test a wants,requires b"
  70     create_services test15-a test15-b test15-c
  71     ln -s ../test15-b.service /etc/systemd/system/test15-a.service.wants/
  72     ln -s ../test15-b.service /etc/systemd/system/test15-a.service.requires/
  73     check_ok test15-a Wants test15-b.service
  74     check_ok test15-a Requires test15-b.service
  75
  76     echo "*** test a wants nonexistent"
  77     create_service test15-a
  78     ln -s ../nonexistent.service /etc/systemd/system/test15-a.service.wants/
  79     check_ok test15-a Wants nonexistent.service
  80     systemctl start test15-a
  81     systemctl stop  test15-a
  82
  83     echo "*** test a requires nonexistent"
  84     ln -sf ../nonexistent.service /etc/systemd/system/test15-a.service.requires/
  85     systemctl daemon-reload
  86     check_ok test15-a Requires nonexistent.service
  87
  88     # 'b' is already loaded when 'c' pulls it in via a dropin.
  89     echo "*** test a,c require b"
  90     create_services test15-a test15-b test15-c
  91     ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
  92     ln -sf ../test15-b.service /etc/systemd/system/test15-c.service.requires/
  93     systemctl start test15-a
  94     check_ok test15-c Requires test15-b.service
  95     systemctl stop test15-a test15-b
  96
  97     # 'b'  is already loaded when 'c' pulls it in via an alias dropin.
  98     echo "*** test a wants alias"
  99     create_services test15-a test15-b test15-c
 100     ln -sf test15-c.service /etc/systemd/system/test15-c1.service
 101     ln -sf ../test15-c.service  /etc/systemd/system/test15-a.service.wants/
 102     ln -sf ../test15-c1.service /etc/systemd/system/test15-b.service.wants/
 103     systemctl start test15-a
 104     check_ok test15-a Wants test15-c.service
 105     check_ok test15-b Wants test15-c.service
 106     systemctl stop test15-a test15-c
 107
 108     echo "*** test service.d/ top level drop-in"
 109     create_services test15-a test15-b
 110     check_ko test15-a ExecCondition "/bin/echo a"
 111     check_ko test15-b ExecCondition "/bin/echo b"
 112     mkdir -p /usr/lib/systemd/system/service.d
 113     cat >/usr/lib/systemd/system/service.d/override.conf <<EOF
 114 [Service]
 115 ExecCondition=/bin/echo %n
 116 EOF
 117     systemctl daemon-reload
 118     check_ok test15-a ExecCondition "/bin/echo test15-a"
 119     check_ok test15-b ExecCondition "/bin/echo test15-b"
 120     rm -rf /usr/lib/systemd/system/service.d
 121
 122     clear_services test15-a test15-b test15-c test15-c1
 123 }
 124
 125 test_linked_units () {
 126     echo "Testing linked units..."
 127     echo "*** test linked unit (same basename)"
 128
 129     create_service test15-a
 130     mv /etc/systemd/system/test15-a.service /
 131     ln -s /test15-a.service /etc/systemd/system/
 132     ln -s test15-a.service /etc/systemd/system/test15-b.service
 133
 134     check_ok test15-a Names test15-a.service
 135     check_ok test15-a Names test15-b.service
 136
 137     echo "*** test linked unit (cross basename)"
 138
 139     mv /test15-a.service /test15-a@.scope
 140     ln -fs /test15-a@.scope /etc/systemd/system/test15-a.service
 141     systemctl daemon-reload
 142
 143     check_ok test15-a Names test15-a.service
 144     check_ok test15-a Names test15-b.service
 145     check_ko test15-a Names test15-a@     # test15-a@.scope is the symlink target.
 146                                           # Make sure it is completely ignored.
 147
 148     rm /test15-a@.scope
 149     clear_services test15-a test15-b
 150 }
 151
 152 test_template_alias() {
 153     echo "Testing instance alias..."
 154     echo "*** forward"
 155
 156     create_service test15-a@
 157     ln -s test15-a@inst.service /etc/systemd/system/test15-b@inst.service  # alias
 158
 159     check_ok test15-a@inst Names test15-a@inst.service
 160     check_ok test15-a@inst Names test15-b@inst.service
 161
 162     check_ok test15-a@other Names test15-a@other.service
 163     check_ko test15-a@other Names test15-b@other.service
 164
 165     echo "*** reverse"
 166
 167     systemctl daemon-reload
 168
 169     check_ok test15-b@inst Names test15-a@inst.service
 170     check_ok test15-b@inst Names test15-b@inst.service
 171
 172     check_ko test15-b@other Names test15-a@other.service
 173     check_ok test15-b@other Names test15-b@other.service
 174
 175     clear_services test15-a@ test15-b@
 176 }
 177
 178 test_hierarchical_dropins () {
 179     echo "Testing hierarchical dropins..."
 180     echo "*** test service.d/ top level drop-in"
 181     create_services a-b-c
 182     check_ko a-b-c ExecCondition "/bin/echo service.d"
 183     check_ko a-b-c ExecCondition "/bin/echo a-.service.d"
 184     check_ko a-b-c ExecCondition "/bin/echo a-b-.service.d"
 185     check_ko a-b-c ExecCondition "/bin/echo a-b-c.service.d"
 186
 187     for dropin in service.d a-.service.d a-b-.service.d a-b-c.service.d; do
 188         mkdir -p /usr/lib/systemd/system/$dropin
 189         echo "
 190 [Service]
 191 ExecCondition=/bin/echo $dropin
 192         " >/usr/lib/systemd/system/$dropin/override.conf
 193         systemctl daemon-reload
 194         check_ok a-b-c ExecCondition "/bin/echo $dropin"
 195     done
 196     for dropin in service.d a-.service.d a-b-.service.d a-b-c.service.d; do
 197         rm -rf /usr/lib/systemd/system/$dropin
 198     done
 199
 200     clear_services a-b-c
 201 }
 202
 203 test_template_dropins () {
 204     echo "Testing template dropins..."
 205
 206     create_services foo bar@ yup@
 207
 208     # Declare some deps to check if the body was loaded
 209     cat >>/etc/systemd/system/bar@.service <<EOF
 210 [Unit]
 211 After=bar-template-after.device
 212 EOF
 213
 214     cat >>/etc/systemd/system/yup@.service <<EOF
 215 [Unit]
 216 After=yup-template-after.device
 217 EOF
 218
 219     ln -s /etc/systemd/system/bar@.service /etc/systemd/system/foo.service.wants/bar@1.service
 220     check_ok foo Wants bar@1.service
 221
 222     echo "*** test bar-alias@.service→bar@.service, but instance symlinks point to yup@.service ***"
 223     ln -s bar@.service  /etc/systemd/system/bar-alias@.service
 224     ln -s bar@1.service /etc/systemd/system/bar-alias@1.service
 225     ln -s yup@.service  /etc/systemd/system/bar-alias@2.service
 226     ln -s yup@3.service /etc/systemd/system/bar-alias@3.service
 227
 228     # create some dropin deps
 229     mkdir -p /etc/systemd/system/bar@{,0,1,2,3}.service.requires/
 230     mkdir -p /etc/systemd/system/yup@{,0,1,2,3}.service.requires/
 231     mkdir -p /etc/systemd/system/bar-alias@{,0,1,2,3}.service.requires/
 232
 233     ln -s ../bar-template-requires.device /etc/systemd/system/bar@.service.requires/
 234     ln -s ../bar-0-requires.device /etc/systemd/system/bar@0.service.requires/
 235     ln -s ../bar-1-requires.device /etc/systemd/system/bar@1.service.requires/
 236     ln -s ../bar-2-requires.device /etc/systemd/system/bar@2.service.requires/
 237     ln -s ../bar-3-requires.device /etc/systemd/system/bar@3.service.requires/
 238
 239     ln -s ../yup-template-requires.device /etc/systemd/system/yup@.service.requires/
 240     ln -s ../yup-0-requires.device /etc/systemd/system/yup@0.service.requires/
 241     ln -s ../yup-1-requires.device /etc/systemd/system/yup@1.service.requires/
 242     ln -s ../yup-2-requires.device /etc/systemd/system/yup@2.service.requires/
 243     ln -s ../yup-3-requires.device /etc/systemd/system/yup@3.service.requires/
 244
 245     ln -s ../bar-alias-template-requires.device /etc/systemd/system/bar-alias@.service.requires/
 246     ln -s ../bar-alias-0-requires.device /etc/systemd/system/bar-alias@0.service.requires/
 247     ln -s ../bar-alias-1-requires.device /etc/systemd/system/bar-alias@1.service.requires/
 248     ln -s ../bar-alias-2-requires.device /etc/systemd/system/bar-alias@2.service.requires/
 249     ln -s ../bar-alias-3-requires.device /etc/systemd/system/bar-alias@3.service.requires/
 250
 251     systemctl daemon-reload
 252
 253     echo '*** bar@0 is aliased by bar-alias@0 ***'
 254     systemctl show -p Names,Requires bar@0
 255     systemctl show -p Names,Requires bar-alias@0
 256     check_ok bar@0 Names bar@0
 257     check_ok bar@0 Names bar-alias@0
 258
 259     check_ok bar@0 After bar-template-after.device
 260
 261     check_ok bar@0 Requires bar-0-requires.device
 262     check_ok bar@0 Requires bar-alias-0-requires.device
 263     check_ok bar@0 Requires bar-template-requires.device
 264     check_ok bar@0 Requires bar-alias-template-requires.device
 265     check_ko bar@0 Requires yup-template-requires.device
 266
 267     check_ok bar-alias@0 After bar-template-after.device
 268
 269     check_ok bar-alias@0 Requires bar-0-requires.device
 270     check_ok bar-alias@0 Requires bar-alias-0-requires.device
 271     check_ok bar-alias@0 Requires bar-template-requires.device
 272     check_ok bar-alias@0 Requires bar-alias-template-requires.device
 273     check_ko bar-alias@0 Requires yup-template-requires.device
 274     check_ko bar-alias@0 Requires yup-0-requires.device
 275
 276     echo '*** bar@1 is aliased by bar-alias@1 ***'
 277     systemctl show -p Names,Requires bar@1
 278     systemctl show -p Names,Requires bar-alias@1
 279     check_ok bar@1 Names bar@1
 280     check_ok bar@1 Names bar-alias@1
 281
 282     check_ok bar@1 After bar-template-after.device
 283
 284     check_ok bar@1 Requires bar-1-requires.device
 285     check_ok bar@1 Requires bar-alias-1-requires.device
 286     check_ok bar@1 Requires bar-template-requires.device
 287     # See https://github.com/systemd/systemd/pull/13119#discussion_r308145418
 288     check_ok bar@1 Requires bar-alias-template-requires.device
 289     check_ko bar@1 Requires yup-template-requires.device
 290     check_ko bar@1 Requires yup-1-requires.device
 291
 292     check_ok bar-alias@1 After bar-template-after.device
 293
 294     check_ok bar-alias@1 Requires bar-1-requires.device
 295     check_ok bar-alias@1 Requires bar-alias-1-requires.device
 296     check_ok bar-alias@1 Requires bar-template-requires.device
 297     check_ok bar-alias@1 Requires bar-alias-template-requires.device
 298     check_ko bar-alias@1 Requires yup-template-requires.device
 299     check_ko bar-alias@1 Requires yup-1-requires.device
 300
 301     echo '*** bar-alias@2 aliases yup@2, bar@2 is independent ***'
 302     systemctl show -p Names,Requires bar@2
 303     systemctl show -p Names,Requires bar-alias@2
 304     check_ok bar@2 Names bar@2
 305     check_ko bar@2 Names bar-alias@2
 306
 307     check_ok bar@2 After bar-template-after.device
 308
 309     check_ok bar@2 Requires bar-2-requires.device
 310     check_ko bar@2 Requires bar-alias-2-requires.device
 311     check_ok bar@2 Requires bar-template-requires.device
 312     check_ko bar@2 Requires bar-alias-template-requires.device
 313     check_ko bar@2 Requires yup-template-requires.device
 314     check_ko bar@2 Requires yup-2-requires.device
 315
 316     check_ko bar-alias@2 After bar-template-after.device
 317
 318     check_ko bar-alias@2 Requires bar-2-requires.device
 319     check_ok bar-alias@2 Requires bar-alias-2-requires.device
 320     check_ko bar-alias@2 Requires bar-template-requires.device
 321     check_ok bar-alias@2 Requires bar-alias-template-requires.device
 322     check_ok bar-alias@2 Requires yup-template-requires.device
 323     check_ok bar-alias@2 Requires yup-2-requires.device
 324
 325     echo '*** bar-alias@3 aliases yup@3, bar@3 is independent ***'
 326     systemctl show -p Names,Requires bar@3
 327     systemctl show -p Names,Requires bar-alias@3
 328     check_ok bar@3 Names bar@3
 329     check_ko bar@3 Names bar-alias@3
 330
 331     check_ok bar@3 After bar-template-after.device
 332
 333     check_ok bar@3 Requires bar-3-requires.device
 334     check_ko bar@3 Requires bar-alias-3-requires.device
 335     check_ok bar@3 Requires bar-template-requires.device
 336     check_ko bar@3 Requires bar-alias-template-requires.device
 337     check_ko bar@3 Requires yup-template-requires.device
 338     check_ko bar@3 Requires yup-3-requires.device
 339
 340     check_ko bar-alias@3 After bar-template-after.device
 341
 342     check_ko bar-alias@3 Requires bar-3-requires.device
 343     check_ok bar-alias@3 Requires bar-alias-3-requires.device
 344     check_ko bar-alias@3 Requires bar-template-requires.device
 345     check_ok bar-alias@3 Requires bar-alias-template-requires.device
 346     check_ok bar-alias@3 Requires yup-template-requires.device
 347     check_ok bar-alias@3 Requires yup-3-requires.device
 348
 349     clear_services foo {bar,yup,bar-alias}@{,1,2,3}
 350 }
 351
 352 test_alias_dropins () {
 353     echo "Testing alias dropins..."
 354
 355     echo "*** test a wants b1 alias of b"
 356     create_services test15-a test15-b
 357     ln -sf test15-b.service /etc/systemd/system/test15-b1.service
 358     ln -sf ../test15-b1.service /etc/systemd/system/test15-a.service.wants/
 359     check_ok test15-a Wants test15-b.service
 360     systemctl start test15-a
 361     systemctl --quiet is-active test15-b
 362     systemctl stop test15-a test15-b
 363     rm /etc/systemd/system/test15-b1.service
 364     clear_services test15-a test15-b
 365
 366     # Check that dependencies don't vary.
 367     echo "*** test 2"
 368     create_services test15-a test15-x test15-y
 369     mkdir -p /etc/systemd/system/test15-a1.service.wants/
 370     ln -sf test15-a.service /etc/systemd/system/test15-a1.service
 371     ln -sf ../test15-x.service /etc/systemd/system/test15-a.service.wants/
 372     ln -sf ../test15-y.service /etc/systemd/system/test15-a1.service.wants/
 373     check_ok test15-a1 Wants test15-x.service # see [1]
 374     check_ok test15-a1 Wants test15-y.service
 375     systemctl start test15-a
 376     check_ok test15-a1 Wants test15-x.service # see [2]
 377     check_ok test15-a1 Wants test15-y.service
 378     systemctl stop test15-a test15-x test15-y
 379     rm /etc/systemd/system/test15-a1.service
 380
 381     clear_services test15-a test15-x test15-y
 382 }
 383
 384 test_masked_dropins () {
 385     echo "Testing masked dropins..."
 386
 387     create_services test15-a test15-b
 388
 389     # 'b' is masked for both deps
 390     echo "*** test a wants,requires b is masked"
 391     ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
 392     ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b.service
 393     check_ko test15-a Wants test15-b.service
 394     check_ko test15-a Requires test15-b.service
 395
 396     # 'a' wants 'b' and 'b' is masked at a lower level
 397     echo "*** test a wants b, mask override"
 398     ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.wants/test15-b.service
 399     ln -sf /dev/null /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
 400     check_ok test15-a Wants test15-b.service
 401
 402     # 'a' wants 'b' and 'b' is masked at a higher level
 403     echo "*** test a wants b, mask"
 404     ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
 405     ln -sf ../test15-b.service /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
 406     check_ko test15-a Wants test15-b.service
 407
 408     # 'a' is masked but has an override config file
 409     echo "*** test a is masked but has an override"
 410     create_services test15-a test15-b
 411     ln -sf /dev/null /etc/systemd/system/test15-a.service
 412     cat >/usr/lib/systemd/system/test15-a.service.d/override.conf <<EOF
 413 [Unit]
 414 After=test15-b.service
 415 EOF
 416     check_ok test15-a UnitFileState masked
 417
 418     # 'b1' is an alias for 'b': masking 'b' dep should not influence 'b1' dep
 419     echo "*** test a wants b, b1, and one is masked"
 420     create_services test15-a test15-b
 421     ln -sf test15-b.service /etc/systemd/system/test15-b1.service
 422     ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
 423     ln -sf ../test15-b1.service /usr/lib/systemd/system/test15-a.service.wants/test15-b1.service
 424     systemctl cat test15-a
 425     systemctl show -p Wants,Requires test15-a
 426     systemctl cat test15-b1
 427     systemctl show -p Wants,Requires test15-b1
 428     check_ok test15-a Wants test15-b.service
 429     check_ko test15-a Wants test15-b1.service # the alias does not show up in the list of units
 430     rm /etc/systemd/system/test15-b1.service
 431
 432     # 'b1' is an alias for 'b': masking 'b1' should not influence 'b' dep
 433     echo "*** test a wants b, alias dep is masked"
 434     create_services test15-a test15-b
 435     ln -sf test15-b.service /etc/systemd/system/test15-b1.service
 436     ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b1.service
 437     ln -sf ../test15-b.service /usr/lib/systemd/system/test15-a.service.wants/test15-b.service
 438     check_ok test15-a Wants test15-b.service
 439     check_ko test15-a Wants test15-b1.service # the alias does not show up in the list of units
 440     rm /etc/systemd/system/test15-b1.service
 441
 442     # 'a' has Wants=b.service but also has a masking
 443     # dropin 'b': 'b' should still be pulled in.
 444     echo "*** test a wants b both ways"
 445     create_services test15-a test15-b
 446     ln -sf /dev/null /etc/systemd/system/test15-a.service.wants/test15-b.service
 447     cat >/usr/lib/systemd/system/test15-a.service.d/wants-b.conf<<EOF
 448 [Unit]
 449 Wants=test15-b.service
 450 EOF
 451     check_ok test15-a Wants test15-b.service
 452
 453     # mask a dropin that points to an nonexistent unit.
 454     echo "*** test a wants nonexistent is masked"
 455     create_services test15-a
 456     ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/nonexistent.service
 457     ln -sf ../nonexistent.service /usr/lib/systemd/system/test15-a.service.requires/
 458     check_ko test15-a Requires nonexistent.service
 459
 460     # 'b' is already loaded when 'c' pulls it in via a dropin but 'b' is
 461     # masked at a higher level.
 462     echo "*** test a wants b is masked"
 463     create_services test15-a test15-b test15-c
 464     ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
 465     ln -sf ../test15-b.service /run/systemd/system/test15-c.service.requires/
 466     ln -sf /dev/null /etc/systemd/system/test15-c.service.requires/test15-b.service
 467     systemctl start test15-a
 468     check_ko test15-c Requires test15-b.service
 469     systemctl stop test15-a test15-b
 470
 471     # 'b' is already loaded when 'c' pulls it in via a dropin but 'b' is
 472     # masked at a lower level.
 473     echo "*** test a requires b is masked"
 474     create_services test15-a test15-b test15-c
 475     ln -sf ../test15-b.service /etc/systemd/system/test15-a.service.requires/
 476     ln -sf ../test15-b.service /etc/systemd/system/test15-c.service.requires/
 477     ln -sf /dev/null /run/systemd/system/test15-c.service.requires/test15-b.service
 478     systemctl start test15-a
 479     check_ok test15-c Requires test15-b.service
 480     systemctl stop test15-a test15-b
 481
 482     # 'a' requires 2 aliases of 'b' and one of them is a mask.
 483     echo "*** test a requires alias of b, other alias masked"
 484     create_services test15-a test15-b
 485     ln -sf test15-b.service /etc/systemd/system/test15-b1.service
 486     ln -sf test15-b.service /etc/systemd/system/test15-b2.service
 487     ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b1.service
 488     ln -sf ../test15-b1.service /run/systemd/system/test15-a.service.requires/
 489     ln -sf ../test15-b2.service /usr/lib/systemd/system/test15-a.service.requires/
 490     check_ok test15-a Requires test15-b
 491
 492     # Same as above but now 'b' is masked.
 493     echo "*** test a requires alias of b, b dep masked"
 494     create_services test15-a test15-b
 495     ln -sf test15-b.service /etc/systemd/system/test15-b1.service
 496     ln -sf test15-b.service /etc/systemd/system/test15-b2.service
 497     ln -sf ../test15-b1.service /run/systemd/system/test15-a.service.requires/
 498     ln -sf ../test15-b2.service /usr/lib/systemd/system/test15-a.service.requires/
 499     ln -sf /dev/null /etc/systemd/system/test15-a.service.requires/test15-b.service
 500     check_ok test15-a Requires test15-b
 501
 502     clear_services test15-a test15-b
 503 }
 504
 505 test_invalid_dropins () {
 506     echo "Testing invalid dropins..."
 507     # Assertion failed on earlier versions, command exits unsuccessfully on later versions
 508     systemctl cat nonexistent@.service || true
 509     create_services a
 510     systemctl daemon-reload
 511     # Assertion failed on earlier versions, command exits unsuccessfully on later versions
 512     systemctl cat a@.service || true
 513     systemctl stop a
 514     clear_services a
 515     return 0
 516 }
 517
 518 test_basic_dropins
 519 test_linked_units
 520 test_template_alias
 521 test_hierarchical_dropins
 522 test_template_dropins
 523 test_alias_dropins
 524 test_masked_dropins
 525 test_invalid_dropins
 526
 527 touch /testok