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 unset AUTHOR_DATE
  13 unset AUTHOR_EMAIL
  14 unset AUTHOR_NAME
  15 unset COMMIT_AUTHOR_EMAIL
  16 unset COMMIT_AUTHOR_NAME
  17 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  18 unset GIT_AUTHOR_DATE
  19 GIT_AUTHOR_EMAIL=author@example.com
  20 GIT_AUTHOR_NAME='A U Thor'
  21 unset GIT_COMMITTER_DATE
  22 GIT_COMMITTER_EMAIL=committer@example.com
  23 GIT_COMMITTER_NAME='C O Mitter'
  24 unset GIT_DIFF_OPTS
  25 unset GIT_DIR
  26 unset GIT_EXTERNAL_DIFF
  27 unset GIT_INDEX_FILE
  28 unset GIT_OBJECT_DIRECTORY
  29 unset SHA1_FILE_DIRECTORIES
  30 unset SHA1_FILE_DIRECTORY
  31 export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
  32 export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
  33
  34 # Each test should start with something like this, after copyright notices:
  35 #
  36 # test_description='Description of this test...
  37 # This test checks if command xyzzy does the right thing...
  38 # '
  39 # . ./test-lib.sh
  40
  41 error () {
  42         echo "* error: $*"
  43         trap - exit
  44         exit 1
  45 }
  46
  47 say () {
  48         echo "* $*"
  49 }
  50
  51 test "${test_description}" != "" ||
  52 error "Test script did not set test_description."
  53
  54 while test "$#" -ne 0
  55 do
  56         case "$1" in
  57         -d|--d|--de|--deb|--debu|--debug)
  58                 debug=t; shift ;;
  59         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
  60                 immediate=t; shift ;;
  61         -h|--h|--he|--hel|--help)
  62                 echo "$test_description"
  63                 exit 0 ;;
  64         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
  65                 verbose=t; shift ;;
  66         --no-python)
  67                 no_python=t; shift ;;
  68         *)
  69                 break ;;
  70         esac
  71 done
  72
  73 exec 5>&1
  74 if test "$verbose" = "t"
  75 then
  76         exec 4>&2 3>&1
  77 else
  78         exec 4>/dev/null 3>/dev/null
  79 fi
  80
  81 test_failure=0
  82 test_count=0
  83
  84 trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
  85
  86
  87 # You are not expected to call test_ok_ and test_failure_ directly, use
  88 # the text_expect_* functions instead.
  89
  90 test_ok_ () {
  91         test_count=$(expr "$test_count" + 1)
  92         say "  ok $test_count: $@"
  93 }
  94
  95 test_failure_ () {
  96         test_count=$(expr "$test_count" + 1)
  97         test_failure=$(expr "$test_failure" + 1);
  98         say "FAIL $test_count: $1"
  99         shift
 100         echo "$@" | sed -e 's/^/        /'
 101         test "$immediate" = "" || { trap - exit; exit 1; }
 102 }
 103
 104
 105 test_debug () {
 106         test "$debug" = "" || eval "$1"
 107 }
 108
 109 test_run_ () {
 110         eval >&3 2>&4 "$1"
 111         eval_ret="$?"
 112         return 0
 113 }
 114
 115 test_expect_failure () {
 116         test "$#" = 2 ||
 117         error "bug in the test script: not 2 parameters to test-expect-failure"
 118         say >&3 "expecting failure: $2"
 119         test_run_ "$2"
 120         if [ "$?" = 0 -a "$eval_ret" != 0 ]
 121         then
 122                 test_ok_ "$1"
 123         else
 124                 test_failure_ "$@"
 125         fi
 126 }
 127
 128 test_expect_success () {
 129         test "$#" = 2 ||
 130         error "bug in the test script: not 2 parameters to test-expect-success"
 131         say >&3 "expecting success: $2"
 132         test_run_ "$2"
 133         if [ "$?" = 0 -a "$eval_ret" = 0 ]
 134         then
 135                 test_ok_ "$1"
 136         else
 137                 test_failure_ "$@"
 138         fi
 139 }
 140
 141 test_expect_code () {
 142         test "$#" = 3 ||
 143         error "bug in the test script: not 3 parameters to test-expect-code"
 144         say >&3 "expecting exit code $1: $3"
 145         test_run_ "$3"
 146         if [ "$?" = 0 -a "$eval_ret" = "$1" ]
 147         then
 148                 test_ok_ "$2"
 149         else
 150                 test_failure_ "$@"
 151         fi
 152 }
 153
 154 # Most tests can use the created repository, but some amy need to create more.
 155 # Usage: test_create_repo <directory>
 156 test_create_repo () {
 157         test "$#" = 1 ||
 158         error "bug in the test script: not 1 parameter to test-create-repo"
 159         owd=`pwd`
 160         repo="$1"
 161         mkdir "$repo"
 162         cd "$repo" || error "Cannot setup test environment"
 163         "$GIT_EXEC_PATH/git" init-db --template=$GIT_EXEC_PATH/templates/blt/ 2>/dev/null ||
 164         error "cannot run git init-db -- have you built things yet?"
 165         mv .git/hooks .git/hooks-disabled
 166         cd "$owd"
 167 }
 168
 169 test_done () {
 170         trap - exit
 171         case "$test_failure" in
 172         0)
 173                 # We could:
 174                 # cd .. && rm -fr trash
 175                 # but that means we forbid any tests that use their own
 176                 # subdirectory from calling test_done without coming back
 177                 # to where they started from.
 178                 # The Makefile provided will clean this test area so
 179                 # we will leave things as they are.
 180
 181                 say "passed all $test_count test(s)"
 182                 exit 0 ;;
 183
 184         *)
 185                 say "failed $test_failure among $test_count test(s)"
 186                 exit 1 ;;
 187
 188         esac
 189 }
 190
 191 # Test the binaries we have just built.  The tests are kept in
 192 # t/ subdirectory and are run in trash subdirectory.
 193 PATH=$(pwd)/..:$PATH
 194 GIT_EXEC_PATH=$(pwd)/..
 195 export PATH GIT_EXEC_PATH
 196
 197 # Similarly use ../compat/subprocess.py if our python does not
 198 # have subprocess.py on its own.
 199 PYTHON=`sed -e '1{
 200         s/^#!//
 201         q
 202 }' ../git-merge-recursive` || {
 203         error "You haven't built things yet, have you?"
 204 }
 205 "$PYTHON" -c 'import subprocess' 2>/dev/null || {
 206         PYTHONPATH=$(pwd)/../compat
 207         export PYTHONPATH
 208 }
 209 test -d ../templates/blt || {
 210         error "You haven't built things yet, have you?"
 211 }
 212
 213 # Test repository
 214 test=trash
 215 rm -fr "$test"
 216 test_create_repo $test
 217 cd "$test"