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