t / t4012-diff-binary.shon commit simple euristic for further free packing improvements (4e8da19)
   1#!/bin/sh
   2#
   3# Copyright (c) 2006 Junio C Hamano
   4#
   5
   6test_description='Binary diff and apply
   7'
   8
   9. ./test-lib.sh
  10
  11test_expect_success 'prepare repository' \
  12        'echo AIT >a && echo BIT >b && echo CIT >c && echo DIT >d &&
  13         git-update-index --add a b c d &&
  14         echo git >a &&
  15         cat ../test4012.png >b &&
  16         echo git >c &&
  17         cat b b >d'
  18
  19test_expect_success 'diff without --binary' \
  20        'git-diff | git-apply --stat --summary >current &&
  21         cmp current - <<\EOF
  22 a |    2 +-
  23 b |  Bin
  24 c |    2 +-
  25 d |  Bin
  26 4 files changed, 2 insertions(+), 2 deletions(-)
  27EOF'
  28
  29test_expect_success 'diff with --binary' \
  30        'git-diff --binary | git-apply --stat --summary >current &&
  31         cmp current - <<\EOF
  32 a |    2 +-
  33 b |  Bin
  34 c |    2 +-
  35 d |  Bin
  36 4 files changed, 2 insertions(+), 2 deletions(-)
  37EOF'
  38
  39# apply needs to be able to skip the binary material correctly
  40# in order to report the line number of a corrupt patch.
  41test_expect_success 'apply detecting corrupt patch correctly' \
  42        'git-diff | sed -e 's/-CIT/xCIT/' >broken &&
  43         if git-apply --stat --summary broken 2>detected
  44         then
  45                echo unhappy - should have detected an error
  46                (exit 1)
  47         else
  48                echo happy
  49         fi &&
  50         detected=`cat detected` &&
  51         detected=`expr "$detected" : "fatal.*at line \\([0-9]*\\)\$"` &&
  52         detected=`sed -ne "${detected}p" broken` &&
  53         test "$detected" = xCIT'
  54
  55test_expect_success 'apply detecting corrupt patch correctly' \
  56        'git-diff --binary | sed -e 's/-CIT/xCIT/' >broken &&
  57         if git-apply --stat --summary broken 2>detected
  58         then
  59                echo unhappy - should have detected an error
  60                (exit 1)
  61         else
  62                echo happy
  63         fi &&
  64         detected=`cat detected` &&
  65         detected=`expr "$detected" : "fatal.*at line \\([0-9]*\\)\$"` &&
  66         detected=`sed -ne "${detected}p" broken` &&
  67         test "$detected" = xCIT'
  68
  69test_expect_success 'initial commit' 'git-commit -a -m initial'
  70
  71# Try removal (b), modification (d), and creation (e).
  72test_expect_success 'diff-index with --binary' \
  73        'echo AIT >a && mv b e && echo CIT >c && cat e >d &&
  74         git-update-index --add --remove a b c d e &&
  75         tree0=`git-write-tree` &&
  76         git-diff --cached --binary >current &&
  77         git-apply --stat --summary current'
  78
  79test_expect_success 'apply binary patch' \
  80        'git-reset --hard &&
  81         git-apply --binary --index <current &&
  82         tree1=`git-write-tree` &&
  83         test "$tree1" = "$tree0"'
  84
  85test_done