t/t4213-log-tabexpand.sh

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