t/t4213-log-tabexpand.sh

   1 #!/bin/sh
   2
   3 test_description='log/show --expand-tabs'
   4
   5 . ./test-lib.sh
   6
   7 HT="    "
   8 title='tab indent at the beginning of the title line'
   9 body='tab indent on a line in the body'
  10
  11 # usage: count_expand $indent $numSP $numHT @format_args
  12 count_expand ()
  13 {
  14         expect=
  15         count=$(( $1 + $2 )) ;# expected spaces
  16         while test $count -gt 0
  17         do
  18                 expect="$expect "
  19                 count=$(( $count - 1 ))
  20         done
  21         shift 2
  22         count=$1 ;# expected tabs
  23         while test $count -gt 0
  24         do
  25                 expect="$expect$HT"
  26                 count=$(( $count - 1 ))
  27         done
  28         shift
  29
  30         # The remainder of the command line is "git show -s" options
  31         case " $* " in
  32         *' --pretty=short '*)
  33                 line=$title ;;
  34         *)
  35                 line=$body ;;
  36         esac
  37
  38         # Prefix the output with the command line arguments, and
  39         # replace SP with a dot both in the expected and actual output
  40         # so that test_cmp would show the difference together with the
  41         # breakage in a way easier to consume by the debugging user.
  42         {
  43                 echo "git show -s $*"
  44                 echo "$expect$line"
  45         } | sed -e 's/ /./g' >expect
  46
  47         {
  48                 echo "git show -s $*"
  49                 git show -s "$@" |
  50                 sed -n -e "/$line\$/p"
  51         } | sed -e 's/ /./g' >actual
  52
  53         test_cmp expect actual
  54 }
  55
  56 test_expand ()
  57 {
  58         fmt=$1
  59         case "$fmt" in
  60         *=raw | *=short | *=email)
  61                 default="0 1" ;;
  62         *)
  63                 default="8 0" ;;
  64         esac
  65         case "$fmt" in
  66         *=email)
  67                 in=0 ;;
  68         *)
  69                 in=4 ;;
  70         esac
  71         test_expect_success "expand/no-expand${fmt:+ for $fmt}" '
  72                 count_expand $in $default $fmt &&
  73                 count_expand $in 8 0 $fmt --expand-tabs &&
  74                 count_expand $in 8 0 --expand-tabs $fmt &&
  75                 count_expand $in 8 0 $fmt --expand-tabs=8 &&
  76                 count_expand $in 8 0 --expand-tabs=8 $fmt &&
  77                 count_expand $in 0 1 $fmt --no-expand-tabs &&
  78                 count_expand $in 0 1 --no-expand-tabs $fmt &&
  79                 count_expand $in 0 1 $fmt --expand-tabs=0 &&
  80                 count_expand $in 0 1 --expand-tabs=0 $fmt &&
  81                 count_expand $in 4 0 $fmt --expand-tabs=4 &&
  82                 count_expand $in 4 0 --expand-tabs=4 $fmt
  83         '
  84 }
  85
  86 test_expect_success 'setup' '
  87         test_tick &&
  88         sed -e "s/Q/$HT/g" <<-EOF >msg &&
  89         Q$title
  90
  91         Q$body
  92         EOF
  93         git commit --allow-empty -F msg
  94 '
  95
  96 test_expand ""
  97 test_expand --pretty
  98 test_expand --pretty=short
  99 test_expand --pretty=medium
 100 test_expand --pretty=full
 101 test_expand --pretty=fuller
 102 test_expand --pretty=raw
 103 test_expand --pretty=email
 104
 105 test_done