test/integration/framework

   1 #!/bin/sh -- # no runable script, just for vi
   2
   3 # we all like colorful messages
   4 CERROR="\e[1;31m" # red
   5 CWARNING="\e[1;33m" # yellow
   6 CMSG="\e[1;32m" # green
   7 CINFO="\e[1;96m" # light blue
   8 CDEBUG="\e[1;94m" # blue
   9 CNORMAL="\e[0;39m" # default system console color
  10 CDONE="\e[1;32m" # green
  11 CPASS="\e[1;32m" # green
  12 CFAIL="\e[1;31m" # red
  13 CCMD="\e[1;35m" # pink
  14
  15 msgdie() { echo "${CERROR}E: $1${CNORMAL}" >&2; exit 1; }
  16 msgwarn() { echo "${CWARNING}W: $1${CNORMAL}" >&2; }
  17 msgmsg() { echo "${CMSG}$1${CNORMAL}" >&2; }
  18 msginfo() { echo "${CINFO}I: $1${CNORMAL}" >&2; }
  19 msgdebug() { echo "${CDEBUG}D: $1${CNORMAL}" >&2; }
  20 msgdone() { echo "${CDONE}DONE${CNORMAL}" >&2; }
  21 msgnwarn() { echo -n "${CWARNING}W: $1${CNORMAL}" >&2; }
  22 msgnmsg() { echo -n "${CMSG}$1${CNORMAL}" >&2; }
  23 msgninfo() { echo -n "${CINFO}I: $1${CNORMAL}" >&2; }
  24 msgndebug() { echo -n "${CDEBUG}D: $1${CNORMAL}" >&2; }
  25 msgtest() { echo -n "${CINFO}$1 ${CCMD}$(echo "$2" | sed -e 's/^aptc/apt-c/' -e 's/^aptg/apt-g/' -e 's/^aptf/apt-f/')${CINFO} …${CNORMAL} " >&2; }
  26 msgpass() { echo "${CPASS}PASS${CNORMAL}" >&2; }
  27 msgskip() { echo "${CWARNING}SKIP${CNORMAL}" >&2; }
  28 msgfail() { echo "${CFAIL}FAIL${CNORMAL}" >&2; }
  29
  30 # enable / disable Debugging
  31 MSGLEVEL=${MSGLEVEL:-3}
  32 if [ $MSGLEVEL -le 0 ]; then
  33         msgdie() { true; }
  34 fi
  35 if [ $MSGLEVEL -le 1 ]; then
  36         msgwarn() { true; }
  37         msgnwarn() { true; }
  38 fi
  39 if [ $MSGLEVEL -le 2 ]; then
  40         msgmsg() { true; }
  41         msgnmsg() { true; }
  42 fi
  43 if [ $MSGLEVEL -le 3 ]; then
  44         msginfo() { true; }
  45         msgninfo() { true; }
  46 fi
  47 if [ $MSGLEVEL -le 4 ]; then
  48         msgdebug() { true; }
  49         msgndebug() { true; }
  50 fi
  51 msgdone() {
  52         if [ "$1" = "debug" -a $MSGLEVEL -le 4 ] ||
  53            [ "$1" = "info" -a $MSGLEVEL -le 3 ] ||
  54            [ "$1" = "msg" -a $MSGLEVEL -le 2 ] ||
  55            [ "$1" = "warn" -a $MSGLEVEL -le 1 ] ||
  56            [ "$1" = "die" -a $MSGLEVEL -le 0 ]; then
  57                 true;
  58         else
  59                 echo "${CDONE}DONE${CNORMAL}" >&2;
  60         fi
  61 }
  62
  63 runapt() {
  64         msgdebug "Executing: ${CCMD}$*${CDEBUG} "
  65         if [ -f ./aptconfig.conf ]; then
  66                 APT_CONFIG=aptconfig.conf LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
  67         else
  68                 LD_LIBRARY_PATH=${BUILDDIRECTORY} ${BUILDDIRECTORY}/$*
  69         fi
  70 }
  71 aptconfig() { runapt apt-config $*; }
  72 aptcache() { runapt apt-cache $*; }
  73 aptget() { runapt apt-get $*; }
  74 aptftparchive() { runapt apt-ftparchive $*; }
  75 aptkey() { runapt apt-key $*; }
  76 dpkg() {
  77         $(which dpkg) --root=${TMPWORKINGDIRECTORY}/rootdir --force-not-root --force-bad-path --log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log $*
  78 }
  79
  80 setupenvironment() {
  81         TMPWORKINGDIRECTORY=$(mktemp -d)
  82         local TESTDIR=$(readlink -f $(dirname $0))
  83         msgninfo "Preparing environment for ${CCMD}$(basename $0)${CINFO} in ${TMPWORKINGDIRECTORY}… "
  84         BUILDDIRECTORY="${TESTDIR}/../../build/bin"
  85         test -x "${BUILDDIRECTORY}/apt-get" || msgdie "You need to build tree first"
  86         local OLDWORKINGDIRECTORY=$(pwd)
  87         CURRENTTRAP="cd /; rm -rf $TMPWORKINGDIRECTORY; cd $OLDWORKINGDIRECTORY"
  88         trap "$CURRENTTRAP" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
  89         cd $TMPWORKINGDIRECTORY
  90         mkdir rootdir aptarchive keys
  91         cd rootdir
  92         mkdir -p etc/apt/apt.conf.d etc/apt/sources.list.d etc/apt/trusted.gpg.d etc/apt/preferences.d
  93         mkdir -p var/cache var/lib var/log
  94         mkdir -p var/lib/dpkg/info var/lib/dpkg/updates var/lib/dpkg/triggers
  95         local STATUSFILE=$(echo "$(basename $0)" | sed -e 's/^test-/status-/' -e 's/^skip-/status-/')
  96         if [ -f "${TESTDIR}/${STATUSFILE}" ]; then
  97                 cp "${TESTDIR}/${STATUSFILE}" var/lib/dpkg/status
  98         else
  99                 touch var/lib/dpkg/status
 100         fi
 101         touch var/lib/dpkg/available
 102         mkdir -p usr/lib/apt
 103         ln -s ${BUILDDIRECTORY}/methods usr/lib/apt/methods
 104         cd ..
 105         local PACKAGESFILE=$(echo "$(basename $0)" | sed -e 's/^test-/Packages-/' -e 's/^skip-/Packages-/')
 106         if [ -f "${TESTDIR}/${PACKAGESFILE}" ]; then
 107                 cp "${TESTDIR}/${PACKAGESFILE}" aptarchive/Packages
 108         else
 109                 touch aptarchive/Packages
 110         fi
 111         cp $(find $TESTDIR -name '*.pub' -o -name '*.sec') keys/
 112         ln -s ${TMPWORKINGDIRECTORY}/keys/joesixpack.pub rootdir/etc/apt/trusted.gpg.d/joesixpack.gpg
 113         echo "Dir \"${TMPWORKINGDIRECTORY}/rootdir\";" > aptconfig.conf
 114         echo "Debug::NoLocking \"true\";" >> aptconfig.conf
 115         echo "APT::Get::Show-User-Simulation-Note \"false\";" >> aptconfig.conf
 116         echo "Dir::Bin::dpkg \"fakeroot\";" >> aptconfig.conf
 117         echo "DPKG::options:: \"dpkg\";" >> aptconfig.conf
 118         echo "DPKG::options:: \"--root=${TMPWORKINGDIRECTORY}/rootdir\";" >> aptconfig.conf
 119         echo "DPKG::options:: \"--force-not-root\";" >> aptconfig.conf
 120         echo "DPKG::options:: \"--force-bad-path\";" >> aptconfig.conf
 121         echo "DPKG::options:: \"--log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log\";" >> aptconfig.conf
 122         export LC_ALL=C
 123         msgdone "info"
 124 }
 125
 126 configarchitecture() {
 127         local CONFFILE=rootdir/etc/apt/apt.conf.d/01multiarch.conf
 128         echo "APT::Architecture \"$1\";" > $CONFFILE
 129         shift
 130         while [ -n "$1" ]; do
 131                 echo "APT::Architectures:: \"$1\";" >> $CONFFILE
 132                 shift
 133         done
 134 }
 135
 136 setupsimplenativepackage() {
 137         local NAME="$1"
 138         local ARCH="$2"
 139         local VERSION="$3"
 140         local RELEASE="${4:-unstable}"
 141         local DEPENDENCIES="$5"
 142         local DESCRIPTION="$6"
 143         local SECTION="${7:-others}"
 144         local DISTSECTION
 145         if [ "$SECTION" = "$(echo "$SECTION" | cut -d'/' -f 2)" ]; then
 146                 DISTSECTION="main"
 147         else
 148                 DISTSECTION="$(echo "$SECTION" | cut -d'/' -f 1)"
 149         fi
 150         local BUILDDIR=incoming/${NAME}-${VERSION}
 151         mkdir -p ${BUILDDIR}/debian/source
 152         cd ${BUILDDIR}
 153         echo "* most suckless software product ever" > FEATURES
 154         test -e debian/copyright || echo "Copyleft by Joe Sixpack $(date +%Y)" > debian/copyright
 155         test -e debian/changelog || echo "$NAME ($VERSION) $RELEASE; urgency=low
 156
 157   * Initial release
 158
 159  -- Joe Sixpack <joe@example.org>  $(date -R)" > debian/changelog
 160         test -e debian/control || echo "Source: $NAME
 161 Section: $SECTION
 162 Priority: optional
 163 Maintainer: Joe Sixpack <joe@example.org>
 164 Build-Depends: debhelper (>= 7)
 165 Standards-Version: 3.9.1
 166
 167 Package: $NAME
 168 Architecture: $ARCH" > debian/control
 169         test -z "$DEPENDENCIES" || echo "$DEPENDENCIES" >> debian/control
 170         if [ -z "$DESCRIPTION" ]; then
 171                 echo "Description: an autogenerated dummy ${NAME}=${VERSION}/${RELEASE}
 172  If you find such a package installed on your system,
 173  YOU did something horribly wrong! They are autogenerated
 174  und used only by testcases for APT and surf no other propose…" >> debian/control
 175         else
 176                 echo "Description: $DESCRIPTION" >> debian/control
 177         fi
 178         test -e debian/compat || echo "7" > debian/compat
 179         test -e debian/source/format || echo "3.0 (native)" > debian/source/format
 180         test -e debian/rules || cp /usr/share/doc/debhelper/examples/rules.tiny debian/rules
 181         cd - > /dev/null
 182 }
 183
 184 buildsimplenativepackage() {
 185         local NAME="$1"
 186         local ARCH="$2"
 187         local VERSION="$3"
 188         local RELEASE="${4:-unstable}"
 189         local DEPENDENCIES="$5"
 190         local DESCRIPTION="$6"
 191         local SECTION="${7:-others}"
 192         local DISTSECTION
 193         if [ "$SECTION" = "$(echo "$SECTION" | cut -d'/' -f 2)" ]; then
 194                 DISTSECTION="main"
 195         else
 196                 DISTSECTION="$(echo "$SECTION" | cut -d'/' -f 1)"
 197         fi
 198         setupsimplenativepackage "$NAME" "$ARCH" "$VERSION" "$RELEASE" "$DEPENDENCIES" "$DESCRIPTION" "$SECTION"
 199         buildpackage "incoming/${NAME}-${VERSION}" "$RELEASE" "$DISTSECTION"
 200         rm -rf "incoming/${NAME}-${VERSION}"
 201 }
 202
 203 buildpackage() {
 204         local BUILDDIR=$1
 205         local RELEASE=$2
 206         local SECTION=$3
 207         msgninfo "Build package $(echo "$BUILDDIR" | grep -o '[^/]*$') for ${RELEASE} in ${SECTION}… "
 208         cd $BUILDDIR
 209         if [ "$ARCH" = "all" ]; then
 210                 ARCH="$(dpkg-architecture -qDEB_HOST_ARCH 2> /dev/null)"
 211         fi
 212         local BUILT="$(dpkg-buildpackage -uc -us -a$ARCH 2> /dev/null)"
 213         local PKGS="$( echo "$BUILT" | grep '^dpkg-deb: building package' | cut -d'/' -f 2 | sed -e "s#'\.##")"
 214         local SRCS="$( echo "$BUILT" | grep '^dpkg-source: info: building' | grep -o '[a-z0-9._+~-]*$')"
 215         cd - > /dev/null
 216         for PKG in $PKGS; do
 217                 echo "pool/${PKG}" >> ${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.pkglist
 218         done
 219         for SRC in $SRCS; do
 220                 echo "pool/${SRC}" >> ${TMPWORKINGDIRECTORY}/incoming/${RELEASE}.${SECTION}.srclist
 221         done
 222         msgdone "info"
 223 }
 224
 225 buildaptarchive() {
 226         if [ -d incoming ]; then
 227                 buildaptarchivefromincoming $*
 228         else
 229                 buildaptarchivefromfiles $*
 230         fi
 231 }
 232
 233 createaptftparchiveconfig() {
 234         local ARCHS="$(find pool/ -name '*.deb' | grep -oE '_[a-z0-9-]+\.deb$' | sort | uniq | sed -e '/^_all.deb$/ d' -e 's#^_\([a-z0-9-]*\)\.deb$#\1#' | tr '\n' ' ')"
 235         if [ -z "$ARCHS" ]; then
 236                 # the pool is empty, so we will operate on faked packages - let us use the configured archs
 237                 ARCHS="$(aptconfig dump | grep APT::Architecture | cut -d'"' -f 2 | sed '/^$/ d' | sort | uniq | tr '\n' ' ')"
 238         fi
 239         echo -n 'Dir {
 240         ArchiveDir "' >> ftparchive.conf
 241         echo -n $(readlink -f .) >> ftparchive.conf
 242         echo -n '";
 243         CacheDir "' >> ftparchive.conf
 244         echo -n $(readlink -f ..) >> ftparchive.conf
 245         echo -n '";
 246         FileListDir "' >> ftparchive.conf
 247         echo -n $(readlink -f pool/) >> ftparchive.conf
 248         echo -n '";
 249 };
 250 Default {
 251         Packages::Compress ". gzip bzip2 lzma";
 252         Sources::Compress ". gzip bzip2 lzma";
 253         Contents::Compress ". gzip bzip2 lzma";
 254 };
 255 TreeDefault {
 256         Directory "pool/";
 257         SrcDirectory "pool/";
 258 };
 259 APT {
 260         FTPArchive {
 261                 Release {
 262                         Origin "joesixpack";
 263                         Label "apttestcases";
 264                         Suite "unstable";
 265                         Description "repository with dummy packages";
 266                         Architectures "' >> ftparchive.conf
 267         echo -n "$ARCHS" >> ftparchive.conf
 268         echo 'source";
 269                 };
 270         };
 271 };' >> ftparchive.conf
 272         for DIST in $(find ./pool/ -maxdepth 1 -name '*.pkglist' -type f | cut -d'/' -f 3 | cut -d'.' -f 1 | sort | uniq); do
 273                 echo -n 'tree "dists/' >> ftparchive.conf
 274                 echo -n "$DIST" >> ftparchive.conf
 275                 echo -n '" {
 276         Architectures "' >> ftparchive.conf
 277                 echo -n "$ARCHS" >> ftparchive.conf
 278                 echo -n 'source";
 279         FileList "' >> ftparchive.conf
 280                 echo -n "${DIST}.\$(SECTION).pkglist" >> ftparchive.conf
 281                 echo -n '";
 282         SourceFileList "' >> ftparchive.conf
 283                 echo -n "${DIST}.\$(SECTION).srclist" >> ftparchive.conf
 284                 echo -n '";
 285         Sections "' >> ftparchive.conf
 286                 echo -n "$(find ./pool/ -maxdepth 1 -name "${DIST}.*.pkglist" -type f | cut -d'/' -f 3 | cut -d'.' -f 2 | sort | uniq | tr '\n' ' ')" >> ftparchive.conf
 287                 echo '";
 288 };' >> ftparchive.conf
 289         done
 290 }
 291
 292 buildaptftparchivedirectorystructure() {
 293         local DISTS="$(grep -i '^tree ' ftparchive.conf | cut -d'/' -f 2 | sed -e 's#".*##')"
 294         for DIST in $DISTS; do
 295                 local SECTIONS="$(grep -i -A 5 "dists/$DIST" ftparchive.conf | grep -i 'Sections' | cut -d'"' -f 2)"
 296                 for SECTION in $SECTIONS; do
 297                         local ARCHS="$(grep -A 5 "dists/$DIST" ftparchive.conf | grep Architectures | cut -d'"' -f 2 | sed -e 's#source##')"
 298                         for ARCH in $ARCHS; do
 299                                 mkdir -p dists/${DIST}/${SECTION}/binary-${ARCH}
 300                         done
 301                         mkdir -p dists/${DIST}/${SECTION}/source
 302                         mkdir -p dists/${DIST}/${SECTION}/i18n
 303                 done
 304         done
 305 }
 306
 307 buildaptarchivefromincoming() {
 308         msginfo "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on incoming packages…"
 309         cd aptarchive
 310         [ -e pool ] || ln -s ../incoming pool
 311         [ -e ftparchive.conf ] || createaptftparchiveconfig
 312         [ -e dists ] || buildaptftparchivedirectorystructure
 313         msgninfo "\tGenerate Packages, Sources and Contents files… "
 314         aptftparchive -qq generate ftparchive.conf
 315         msgdone "info"
 316         msgninfo "\tGenerate Release files… "
 317         for dir in $(find ./dists -mindepth 1 -maxdepth 1 -type d); do
 318                 aptftparchive -qq release $dir -o APT::FTPArchive::Release::Codename="$(echo "$dir" | cut -d'/' -f 3)" | sed -e '/0 Release$/ d' > $dir/Release # remove the self reference
 319         done
 320         cd - > /dev/null
 321         msgdone "info"
 322 }
 323
 324 buildaptarchivefromfiles() {
 325         msginfo "Build APT archive for ${CCMD}$(basename $0)${CINFO} based on prebuild files…"
 326         cd aptarchive
 327         if [ -f Packages ]; then
 328                 msgninfo "\tPackages file… "
 329                 cat Packages | gzip > Packages.gz
 330                 cat Packages | bzip2 > Packages.bz2
 331                 cat Packages | lzma > Packages.lzma
 332                 msgdone "info"
 333         fi
 334         if [ -f Sources ]; then
 335                 msgninfo "\tSources file… "
 336                 cat Sources | gzip > Sources.gz
 337                 cat Sources | bzip2 > Sources.bz2
 338                 cat Sources | lzma > Sources.lzma
 339                 msgdone "info"
 340         fi
 341         msgninfo "\tRelease file… "
 342         aptftparchive -qq release . | sed -e '/0 Release$/ d' > Release # remove the self reference
 343         msgdone "info"
 344         cd ..
 345 }
 346
 347 setupdistsaptarchive() {
 348         local APTARCHIVE=$(readlink -f ./aptarchive)
 349         rm -f root/etc/apt/sources.list.d/apt-test-*-deb.list
 350         rm -f root/etc/apt/sources.list.d/apt-test-*-deb-src.list
 351         for DISTS in $(find ./aptarchive/dists/ -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 4); do
 352                 SECTIONS=$(find ./aptarchive/dists/${DISTS}/ -mindepth 1 -maxdepth 1 -type d | cut -d'/' -f 5 | tr '\n' ' ')
 353                 msgninfo "\tadd deb and deb-src sources.list lines for ${CCMD}${DISTS} ${SECTIONS}${CINFO}… "
 354                 echo "deb file://$APTARCHIVE $DISTS $SECTIONS" > rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb.list
 355                 echo "deb-src file://$APTARCHIVE $DISTS $SECTIONS" > rootdir/etc/apt/sources.list.d/apt-test-${DISTS}-deb-src.list
 356                 msgdone "info"
 357         done
 358 }
 359
 360 setupflataptarchive() {
 361         local APTARCHIVE=$(readlink -f ./aptarchive)
 362         if [ -f ${APTARCHIVE}/Packages ]; then
 363                 msgninfo "\tadd deb sources.list line… "
 364                 echo "deb file://$APTARCHIVE /" > rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list
 365                 msgdone "info"
 366         else
 367                 rm -f rootdir/etc/apt/sources.list.d/apt-test-archive-deb.list
 368         fi
 369         if [ -f ${APTARCHIVE}/Sources ]; then
 370                 msgninfo "\tadd deb-src sources.list line… "
 371                 echo "deb-src file://$APTARCHIVE /" > rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list
 372                 msgdone "info"
 373         else
 374                 rm -f rootdir/etc/apt/sources.list.d/apt-test-archive-deb-src.list
 375         fi
 376 }
 377
 378 setupaptarchive() {
 379         buildaptarchive
 380         if [ -e aptarchive/dists ]; then
 381                 setupdistsaptarchive
 382         else
 383                 setupflataptarchive
 384         fi
 385         signreleasefiles
 386         msgninfo "\tSync APT's cache with the archive… "
 387         aptget update -qq
 388         msgdone "info"
 389 }
 390
 391 signreleasefiles() {
 392         local SIGNER="${1:-Joe Sixpack}"
 393         msgninfo "\tSign archive with $SIGNER key… "
 394         local SECKEYS=""
 395         for KEY in $(find keys/ -name '*.sec'); do
 396                 SECKEYS="$SECKEYS --secret-keyring $KEY"
 397         done
 398         local PUBKEYS=""
 399         for KEY in $(find keys/ -name '*.pub'); do
 400                 PUBKEYS="$PUBKEYS --keyring $KEY"
 401         done
 402         for RELEASE in $(find aptarchive/ -name Release); do
 403                 gpg --yes --no-default-keyring $SECKEYS $PUBKEYS --default-key "$SIGNER" -abs -o ${RELEASE}.gpg ${RELEASE}
 404         done
 405         msgdone "info"
 406 }
 407
 408 changetowebserver() {
 409         if which weborf > /dev/null; then
 410                 weborf -xb aptarchive/ 2>&1 > /dev/null &
 411                 CURRENTTRAP="kill $(ps | grep weborf | sed -e 's#^[ ]*##' | cut -d' ' -f 1); $CURRENTTRAP"
 412                 trap "$CURRENTTRAP" 0 HUP INT QUIT ILL ABRT FPE SEGV PIPE TERM
 413                 local APTARCHIVE="file://$(readlink -f ./aptarchive)"
 414                 for LIST in $(find rootdir/etc/apt/sources.list.d/ -name 'apt-test-*.list'); do
 415                         sed -i $LIST -e "s#$APTARCHIVE#http://localhost:8080/#"
 416                 done
 417                 return 0
 418         fi
 419         return 1
 420 }
 421
 422 checkdiff() {
 423         local DIFFTEXT="$($(which diff) -u $* | sed -e '/^---/ d' -e '/^+++/ d' -e '/^@@/ d')"
 424         if [ -n "$DIFFTEXT" ]; then
 425                 echo
 426                 echo "$DIFFTEXT"
 427                 return 1
 428         else
 429                 return 0
 430         fi
 431 }
 432
 433 testfileequal() {
 434         local FILE="$1"
 435         shift
 436         msgtest "Test for correctness of file" "$FILE"
 437         if [ -z "$*" ]; then
 438                 echo -n "" | checkdiff $FILE - && msgpass || msgfail
 439         else
 440                 echo "$*" | checkdiff $FILE - && msgpass || msgfail
 441         fi
 442 }
 443
 444 testequal() {
 445         local COMPAREFILE=$(mktemp)
 446         echo "$1" > $COMPAREFILE
 447         shift
 448         msgtest "Test for equality of" "$*"
 449         $* 2>&1 | checkdiff $COMPAREFILE - && msgpass || msgfail
 450         rm $COMPAREFILE
 451 }
 452
 453 testequalor2() {
 454         local COMPAREFILE1=$(mktemp)
 455         local COMPAREFILE2=$(mktemp)
 456         local COMPAREAGAINST=$(mktemp)
 457         echo "$1" > $COMPAREFILE1
 458         echo "$2" > $COMPAREFILE2
 459         shift 2
 460         msgtest "Test for equality OR of" "$*"
 461         $* 2>&1 1> $COMPAREAGAINST
 462         (checkdiff $COMPAREFILE1 $COMPAREAGAINST 1> /dev/null ||
 463                 checkdiff $COMPAREFILE2 $COMPAREAGAINST 1> /dev/null) && msgpass ||
 464                 ( echo "\n${CINFO}Diff against OR 1${CNORMAL}" "$(checkdiff $COMPAREFILE1 $COMPAREAGAINST)" \
 465                        "\n${CINFO}Diff against OR 2${CNORMAL}" "$(checkdiff $COMPAREFILE2 $COMPAREAGAINST)" &&
 466                   msgfail )
 467         rm $COMPAREFILE1 $COMPAREFILE2 $COMPAREAGAINST
 468 }
 469
 470 testshowvirtual() {
 471         local VIRTUAL="N: Can't select versions from package '$1' as it purely virtual"
 472         local PACKAGE="$1"
 473         shift
 474         while [ -n "$1" ]; do
 475                 VIRTUAL="${VIRTUAL}
 476 N: Can't select versions from package '$1' as it purely virtual"
 477                 PACKAGE="${PACKAGE} $1"
 478                 shift
 479         done
 480         msgtest "Test for virtual packages" "apt-cache show $PACKAGE"
 481         VIRTUAL="${VIRTUAL}
 482 N: No packages found"
 483         local COMPAREFILE=$(mktemp)
 484         local ARCH=$(dpkg-architecture -qDEB_HOST_ARCH_CPU)
 485         eval `apt-config shell ARCH APT::Architecture`
 486         echo "$VIRTUAL" | sed -e "s/:$ARCH//" -e 's/:all//' > $COMPAREFILE
 487         aptcache show -q=0 $PACKAGE 2>&1 | checkdiff $COMPAREFILE - && msgpass || msgfail
 488         rm $COMPAREFILE
 489 }
 490
 491 testnopackage() {
 492         msgtest "Test for non-existent packages" "apt-cache show $*"
 493         local SHOWPKG="$(aptcache show $* 2>&1 | grep '^Package: ')"
 494         if [ -n "$SHOWPKG" ]; then
 495                 echo
 496                 echo "$SHOWPKG"
 497                 msgfail
 498                 return 1
 499         fi
 500         msgpass
 501 }