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         cmp_op="$1" want_code="$2" name="$3" # stdin is the body of the test code
  15         shift 3
  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=$skip &&
  49                 export GIT_SKIP_TESTS &&
  50                 sane_unset GIT_TEST_FAIL_PREREQS &&
  51                 ./"$name.sh" "$@" >out 2>err;
  52                 ret=$? &&
  53                 test "$ret" "$cmp_op" "$want_code"
  54         )
  55 }
  56
  57 write_and_run_sub_test_lib_test () {
  58         name="$1" descr="$2" # stdin is the body of the test code
  59         write_sub_test_lib_test "$@" || return 1
  60         _run_sub_test_lib_test_common -eq 0 "$@"
  61 }
  62
  63 write_and_run_sub_test_lib_test_err () {
  64         name="$1" descr="$2" # stdin is the body of the test code
  65         write_sub_test_lib_test "$@" || return 1
  66         _run_sub_test_lib_test_common -eq 1 "$@"
  67 }
  68
  69 run_sub_test_lib_test () {
  70         _run_sub_test_lib_test_common -eq 0 "$@"
  71 }
  72
  73 run_sub_test_lib_test_err () {
  74         _run_sub_test_lib_test_common -eq 1 "$@"
  75 }
  76
  77 _check_sub_test_lib_test_common () {
  78         name="$1" &&
  79         sed -e 's/^> //' -e 's/Z$//' >"$name"/expect.out &&
  80         test_cmp "$name"/expect.out "$name"/out
  81 }
  82
  83 check_sub_test_lib_test () {
  84         name="$1" # stdin is the expected output from the test
  85         _check_sub_test_lib_test_common "$name" &&
  86         test_must_be_empty "$name"/err
  87 }
  88
  89 check_sub_test_lib_test_err () {
  90         name="$1" # stdin is the expected output from the test
  91         _check_sub_test_lib_test_common "$name" &&
  92         # expected error output is in descriptor 3
  93         sed -e 's/^> //' -e 's/Z$//' <&3 >"$name"/expect.err &&
  94         test_cmp "$name"/expect.err "$name"/err
  95 }