t/test-lib.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano
   4 #
   5
   6 # For repeatability, reset the environment to known value.
   7 LANG=C
   8 LC_ALL=C
   9 PAGER=cat
  10 TZ=UTC
  11 export LANG LC_ALL PAGER TZ
  12 EDITOR=:
  13 VISUAL=:
  14 unset AUTHOR_DATE
  15 unset AUTHOR_EMAIL
  16 unset AUTHOR_NAME
  17 unset COMMIT_AUTHOR_EMAIL
  18 unset COMMIT_AUTHOR_NAME
  19 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  20 unset GIT_AUTHOR_DATE
  21 GIT_AUTHOR_EMAIL=author@example.com
  22 GIT_AUTHOR_NAME='A U Thor'
  23 unset GIT_COMMITTER_DATE
  24 GIT_COMMITTER_EMAIL=committer@example.com
  25 GIT_COMMITTER_NAME='C O Mitter'
  26 unset GIT_DIFF_OPTS
  27 unset GIT_DIR
  28 unset GIT_EXTERNAL_DIFF
  29 unset GIT_INDEX_FILE
  30 unset GIT_OBJECT_DIRECTORY
  31 unset SHA1_FILE_DIRECTORIES
  32 unset SHA1_FILE_DIRECTORY
  33 GIT_MERGE_VERBOSITY=5
  34 export GIT_MERGE_VERBOSITY
  35 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
  36 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
  37 export EDITOR VISUAL
  38
  39 case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
  40         1|2|true)
  41                 echo "* warning: Some tests will not work if GIT_TRACE" \
  42                         "is set as to trace on STDERR ! *"
  43                 echo "* warning: Please set GIT_TRACE to something" \
  44                         "other than 1, 2 or true ! *"
  45                 ;;
  46 esac
  47
  48 # Each test should start with something like this, after copyright notices:
  49 #
  50 # test_description='Description of this test...
  51 # This test checks if command xyzzy does the right thing...
  52 # '
  53 # . ./test-lib.sh
  54
  55 error () {
  56         echo "* error: $*"
  57         trap - exit
  58         exit 1
  59 }
  60
  61 say () {
  62         echo "* $*"
  63 }
  64
  65 test "${test_description}" != "" ||
  66 error "Test script did not set test_description."
  67
  68 while test "$#" -ne 0
  69 do
  70         case "$1" in
  71         -d|--d|--de|--deb|--debu|--debug)
  72                 debug=t; shift ;;
  73         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
  74                 immediate=t; shift ;;
  75         -h|--h|--he|--hel|--help)
  76                 echo "$test_description"
  77                 exit 0 ;;
  78         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
  79                 verbose=t; shift ;;
  80         --no-python)
  81                 # noop now...
  82                 shift ;;
  83         *)
  84                 break ;;
  85         esac
  86 done
  87
  88 exec 5>&1
  89 if test "$verbose" = "t"
  90 then
  91         exec 4>&2 3>&1
  92 else
  93         exec 4>/dev/null 3>/dev/null
  94 fi
  95
  96 test_failure=0
  97 test_count=0
  98
  99 trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
 100
 101 test_tick () {
 102         if test -z "${test_tick+set}"
 103         then
 104                 test_tick=1112911993
 105         else
 106                 test_tick=$(($test_tick + 60))
 107         fi
 108         GIT_COMMITTER_DATE="$test_tick -0700"
 109         GIT_AUTHOR_DATE="$test_tick -0700"
 110         export GIT_COMMITTER_DATE GIT_AUTHOR_DATE
 111 }
 112
 113 # You are not expected to call test_ok_ and test_failure_ directly, use
 114 # the text_expect_* functions instead.
 115
 116 test_ok_ () {
 117         test_count=$(expr "$test_count" + 1)
 118         say "  ok $test_count: $@"
 119 }
 120
 121 test_failure_ () {
 122         test_count=$(expr "$test_count" + 1)
 123         test_failure=$(expr "$test_failure" + 1);
 124         say "FAIL $test_count: $1"
 125         shift
 126         echo "$@" | sed -e 's/^/        /'
 127         test "$immediate" = "" || { trap - exit; exit 1; }
 128 }
 129
 130
 131 test_debug () {
 132         test "$debug" = "" || eval "$1"
 133 }
 134
 135 test_run_ () {
 136         eval >&3 2>&4 "$1"
 137         eval_ret="$?"
 138         return 0
 139 }
 140
 141 test_skip () {
 142         this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$')
 143         this_test="$this_test.$(expr "$test_count" + 1)"
 144         to_skip=
 145         for skp in $GIT_SKIP_TESTS
 146         do
 147                 case "$this_test" in
 148                 $skp)
 149                         to_skip=t
 150                 esac
 151         done
 152         case "$to_skip" in
 153         t)
 154                 say >&3 "skipping test: $@"
 155                 test_count=$(expr "$test_count" + 1)
 156                 say "skip $test_count: $1"
 157                 : true
 158                 ;;
 159         *)
 160                 false
 161                 ;;
 162         esac
 163 }
 164
 165 test_expect_failure () {
 166         test "$#" = 2 ||
 167         error "bug in the test script: not 2 parameters to test-expect-failure"
 168         if ! test_skip "$@"
 169         then
 170                 say >&3 "expecting failure: $2"
 171                 test_run_ "$2"
 172                 if [ "$?" = 0 -a "$eval_ret" != 0 -a "$eval_ret" -lt 129 ]
 173                 then
 174                         test_ok_ "$1"
 175                 else
 176                         test_failure_ "$@"
 177                 fi
 178         fi
 179         echo >&3 ""
 180 }
 181
 182 test_expect_success () {
 183         test "$#" = 2 ||
 184         error "bug in the test script: not 2 parameters to test-expect-success"
 185         if ! test_skip "$@"
 186         then
 187                 say >&3 "expecting success: $2"
 188                 test_run_ "$2"
 189                 if [ "$?" = 0 -a "$eval_ret" = 0 ]
 190                 then
 191                         test_ok_ "$1"
 192                 else
 193                         test_failure_ "$@"
 194                 fi
 195         fi
 196         echo >&3 ""
 197 }
 198
 199 test_expect_code () {
 200         test "$#" = 3 ||
 201         error "bug in the test script: not 3 parameters to test-expect-code"
 202         if ! test_skip "$@"
 203         then
 204                 say >&3 "expecting exit code $1: $3"
 205                 test_run_ "$3"
 206                 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 207                 then
 208                         test_ok_ "$2"
 209                 else
 210                         test_failure_ "$@"
 211                 fi
 212         fi
 213         echo >&3 ""
 214 }
 215
 216 # Most tests can use the created repository, but some amy need to create more.
 217 # Usage: test_create_repo <directory>
 218 test_create_repo () {
 219         test "$#" = 1 ||
 220         error "bug in the test script: not 1 parameter to test-create-repo"
 221         owd=`pwd`
 222         repo="$1"
 223         mkdir "$repo"
 224         cd "$repo" || error "Cannot setup test environment"
 225         "$GIT_EXEC_PATH/git" init --template=$GIT_EXEC_PATH/templates/blt/ >/dev/null 2>&1 ||
 226         error "cannot run git init -- have you built things yet?"
 227         mv .git/hooks .git/hooks-disabled
 228         cd "$owd"
 229 }
 230
 231 test_done () {
 232         trap - exit
 233         case "$test_failure" in
 234         0)
 235                 # We could:
 236                 # cd .. && rm -fr trash
 237                 # but that means we forbid any tests that use their own
 238                 # subdirectory from calling test_done without coming back
 239                 # to where they started from.
 240                 # The Makefile provided will clean this test area so
 241                 # we will leave things as they are.
 242
 243                 say "passed all $test_count test(s)"
 244                 exit 0 ;;
 245
 246         *)
 247                 say "failed $test_failure among $test_count test(s)"
 248                 exit 1 ;;
 249
 250         esac
 251 }
 252
 253 # Test the binaries we have just built.  The tests are kept in
 254 # t/ subdirectory and are run in trash subdirectory.
 255 PATH=$(pwd)/..:$PATH
 256 GIT_EXEC_PATH=$(pwd)/..
 257 GIT_TEMPLATE_DIR=$(pwd)/../templates/blt
 258 HOME=$(pwd)/trash
 259 export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR HOME
 260
 261 GITPERLLIB=$(pwd)/../perl/blib/lib:$(pwd)/../perl/blib/arch/auto/Git
 262 export GITPERLLIB
 263 test -d ../templates/blt || {
 264         error "You haven't built things yet, have you?"
 265 }
 266
 267 # Test repository
 268 test=trash
 269 rm -fr "$test"
 270 test_create_repo $test
 271 cd "$test"
 272
 273 this_test=$(expr "./$0" : '.*/\(t[0-9]*\)-[^/]*$')
 274 for skp in $GIT_SKIP_TESTS
 275 do
 276         to_skip=
 277         for skp in $GIT_SKIP_TESTS
 278         do
 279                 case "$this_test" in
 280                 $skp)
 281                         to_skip=t
 282                 esac
 283         done
 284         case "$to_skip" in
 285         t)
 286                 say >&3 "skipping test $this_test altogether"
 287                 say "skip all tests in $this_test"
 288                 test_done
 289         esac
 290 done