t/lib-subtest.sh

   1 write_sub_test_lib_test () {
   2         name="$1" # stdin is the body of the test code
   3         mkdir "$name" &&
   4         write_script "$name/$name.sh" "$TEST_SHELL_PATH" <<-EOF &&
   5         test_description='A test of test-lib.sh itself'
   6
   7         # Point to the t/test-lib.sh, which isn't in ../ as usual
   8         . "\$TEST_DIRECTORY"/test-lib.sh
   9         EOF
  10         cat >>"$name/$name.sh"
  11 }
  12
  13 _run_sub_test_lib_test_common () {
  14         neg="$1" name="$2" # stdin is the body of the test code
  15         shift 2
  16
  17         # intercept pseudo-options at the front of the argument list that we
  18         # will not pass to child script
  19         skip=
  20         while test $# -gt 0
  21         do
  22                 case "$1" in
  23                 --skip=*)
  24                         skip=${1#--*=}
  25                         shift
  26                         ;;
  27                 *)
  28                         break
  29                         ;;
  30                 esac
  31         done
  32
  33         (
  34                 cd "$name" &&
  35
  36                 # Pretend we're not running under a test harness, whether we
  37                 # are or not. The test-lib output depends on the setting of
  38                 # this variable, so we need a stable setting under which to run
  39                 # the sub-test.
  40                 sane_unset HARNESS_ACTIVE &&
  41
  42                 export TEST_DIRECTORY &&
  43                 # The child test re-sources GIT-BUILD-OPTIONS and may thus
  44                 # override the test output directory. We thus pass it as an
  45                 # explicit override to the child.
  46                 TEST_OUTPUT_DIRECTORY_OVERRIDE=$(pwd) &&
  47                 export TEST_OUTPUT_DIRECTORY_OVERRIDE &&
  48                 GIT_SKIP_TESTS=$skip &&
  49                 export GIT_SKIP_TESTS &&
  50                 sane_unset GIT_TEST_FAIL_PREREQS &&
  51                 if test -z "$neg"
  52                 then
  53                         ./"$name.sh" "$@" >out 2>err
  54                 else
  55                         ! ./"$name.sh" "$@" >out 2>err
  56                 fi
  57         )
  58 }
  59
  60 write_and_run_sub_test_lib_test () {
  61         name="$1" descr="$2" # stdin is the body of the test code
  62         write_sub_test_lib_test "$@" || return 1
  63         _run_sub_test_lib_test_common '' "$@"
  64 }
  65
  66 write_and_run_sub_test_lib_test_err () {
  67         name="$1" descr="$2" # stdin is the body of the test code
  68         write_sub_test_lib_test "$@" || return 1
  69         _run_sub_test_lib_test_common '!' "$@"
  70 }
  71
  72 run_sub_test_lib_test () {
  73         _run_sub_test_lib_test_common '' "$@"
  74 }
  75
  76 run_sub_test_lib_test_err () {
  77         _run_sub_test_lib_test_common '!' "$@"
  78 }
  79
  80 check_sub_test_lib_test () {
  81         name="$1" # stdin is the expected output from the test
  82         test_must_be_empty "$name"/err &&
  83         sed -e 's/^> //' -e 's/Z$//' >"$name"/expect &&
  84         test_cmp "$name/"expect "$name"/out
  85 }
  86
  87 check_sub_test_lib_test_err () {
  88         name="$1" # stdin is the expected output from the test
  89         # expected error output is in descriptor 3
  90         sed -e 's/^> //' -e 's/Z$//' >"$name"/expect.out &&
  91         test_cmp "$name"/expect.out "$name"/out &&
  92         sed -e 's/^> //' -e 's/Z$//' <&3 >"$name"/expect.err &&
  93         test_cmp "$name"/expect.err "$name"/err
  94 }