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