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 PAGER=cat
   9 TZ=UTC
  10 export LANG PAGER TZ
  11 unset AUTHOR_DATE
  12 unset AUTHOR_EMAIL
  13 unset AUTHOR_NAME
  14 unset COMMIT_AUTHOR_EMAIL
  15 unset COMMIT_AUTHOR_NAME
  16 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
  17 unset GIT_AUTHOR_DATE
  18 unset GIT_AUTHOR_EMAIL
  19 unset GIT_AUTHOR_NAME
  20 unset GIT_COMMITTER_EMAIL
  21 unset GIT_COMMITTER_NAME
  22 unset GIT_DIFF_OPTS
  23 unset GIT_DIR
  24 unset GIT_EXTERNAL_DIFF
  25 unset GIT_INDEX_FILE
  26 unset GIT_OBJECT_DIRECTORY
  27 unset SHA1_FILE_DIRECTORIES
  28 unset SHA1_FILE_DIRECTORY
  29
  30 # Each test should start with something like this, after copyright notices:
  31 #
  32 # test_description='Description of this test...
  33 # This test checks if command xyzzy does the right thing...
  34 # '
  35 # . ./test-lib.sh
  36
  37 error () {
  38         echo "* error: $*"
  39         trap - exit
  40         exit 1
  41 }
  42
  43 say () {
  44         echo "* $*"
  45 }
  46
  47 test "${test_description}" != "" ||
  48 error "Test script did not set test_description."
  49
  50 while test "$#" -ne 0
  51 do
  52         case "$1" in
  53         -d|--d|--de|--deb|--debu|--debug)
  54                 debug=t; shift ;;
  55         -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
  56                 immediate=t; shift ;;
  57         -h|--h|--he|--hel|--help)
  58                 echo "$test_description"
  59                 exit 0 ;;
  60         -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
  61                 verbose=t; shift ;;
  62         *)
  63                 break ;;
  64         esac
  65 done
  66
  67 exec 5>&1
  68 if test "$verbose" = "t"
  69 then
  70         exec 4>&2 3>&1
  71 else
  72         exec 4>/dev/null 3>/dev/null
  73 fi
  74
  75 test_failure=0
  76 test_count=0
  77
  78 trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
  79
  80
  81 # You are not expected to call test_ok_ and test_failure_ directly, use
  82 # the text_expect_* functions instead.
  83
  84 test_ok_ () {
  85         test_count=$(expr "$test_count" + 1)
  86         say "  ok $test_count: $@"
  87 }
  88
  89 test_failure_ () {
  90         test_count=$(expr "$test_count" + 1)
  91         test_failure=$(expr "$test_failure" + 1);
  92         say "FAIL $test_count: $1"
  93         shift
  94         echo "$@" | sed -e 's/^/        /'
  95         test "$immediate" = "" || { trap - exit; exit 1; }
  96 }
  97
  98
  99 test_debug () {
 100         test "$debug" = "" || eval "$1"
 101 }
 102
 103 test_run_ () {
 104         eval >&3 2>&4 "$1"
 105         eval_ret="$?"
 106         return 0
 107 }
 108
 109 test_expect_failure () {
 110         test "$#" = 2 ||
 111         error "bug in the test script: not 2 parameters to test-expect-failure"
 112         say >&3 "expecting failure: $2"
 113         test_run_ "$2"
 114         if [ "$?" = 0 -a "$eval_ret" != 0 ]
 115         then
 116                 test_ok_ "$1"
 117         else
 118                 test_failure_ "$@"
 119         fi
 120 }
 121
 122 test_expect_success () {
 123         test "$#" = 2 ||
 124         error "bug in the test script: not 2 parameters to test-expect-success"
 125         say >&3 "expecting success: $2"
 126         test_run_ "$2"
 127         if [ "$?" = 0 -a "$eval_ret" = 0 ]
 128         then
 129                 test_ok_ "$1"
 130         else
 131                 test_failure_ "$@"
 132         fi
 133 }
 134
 135 test_done () {
 136         trap - exit
 137         case "$test_failure" in
 138         0)
 139                 # We could:
 140                 # cd .. && rm -fr trash
 141                 # but that means we forbid any tests that use their own
 142                 # subdirectory from calling test_done without coming back
 143                 # to where they started from.
 144                 # The Makefile provided will clean this test area so
 145                 # we will leave things as they are.
 146
 147                 say "passed all $test_count test(s)"
 148                 exit 0 ;;
 149
 150         *)
 151                 say "failed $test_failure among $test_count test(s)"
 152                 exit 1 ;;
 153
 154         esac
 155 }
 156
 157 # Test the binaries we have just built.  The tests are kept in
 158 # t/ subdirectory and are run in trash subdirectory.
 159 PATH=$(pwd)/..:$PATH
 160
 161 # Test repository
 162 test=trash
 163 rm -fr "$test"
 164 mkdir "$test"
 165 cd "$test"
 166 git-init-db 2>/dev/null || error "cannot run git-init-db"