Andrew's git - gitweb.git/blob - t/t4012-diff-binary.sh

   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
  11cat >expect.binary-numstat <<\EOF
  121       1       a
  13-       -       b
  141       1       c
  15-       -       d
  16EOF
  17
  18test_expect_success 'prepare repository' '
  19        echo AIT >a && echo BIT >b && echo CIT >c && echo DIT >d &&
  20        git update-index --add a b c d &&
  21        echo git >a &&
  22        cat "$TEST_DIRECTORY"/test-binary-1.png >b &&
  23        echo git >c &&
  24        cat b b >d
  25'
  26
  27cat > expected <<\EOF
  28 a |    2 +-
  29 b |  Bin
  30 c |    2 +-
  31 d |  Bin
  32 4 files changed, 2 insertions(+), 2 deletions(-)
  33EOF
  34test_expect_success 'apply --stat output for binary file change' '
  35        git diff >diff &&
  36        git apply --stat --summary <diff >current &&
  37        test_i18ncmp expected current
  38'
  39
  40test_expect_success 'diff --shortstat output for binary file change' '
  41        tail -n 1 expected >expect &&
  42        git diff --shortstat >current &&
  43        test_i18ncmp expect current
  44'
  45
  46test_expect_success 'diff --shortstat output for binary file change only' '
  47        echo " 1 file changed, 0 insertions(+), 0 deletions(-)" >expected &&
  48        git diff --shortstat -- b >current &&
  49        test_i18ncmp expected current
  50'
  51
  52test_expect_success 'apply --numstat notices binary file change' '
  53        git diff >diff &&
  54        git apply --numstat <diff >current &&
  55        test_cmp expect.binary-numstat current
  56'
  57
  58test_expect_success 'apply --numstat understands diff --binary format' '
  59        git diff --binary >diff &&
  60        git apply --numstat <diff >current &&
  61        test_cmp expect.binary-numstat current
  62'
  63
  64# apply needs to be able to skip the binary material correctly
  65# in order to report the line number of a corrupt patch.
  66test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' '
  67        git diff >output &&
  68        sed -e "s/-CIT/xCIT/" <output >broken &&
  69        test_must_fail git apply --stat --summary broken 2>detected &&
  70        detected=$(cat detected) &&
  71        detected=$(expr "$detected" : "fatal.*at line \\([0-9]*\\)\$") &&
  72        detected=$(sed -ne "${detected}p" broken) &&
  73        test "$detected" = xCIT
  74'
  75
  76test_expect_success C_LOCALE_OUTPUT 'apply detecting corrupt patch correctly' '
  77        git diff --binary | sed -e "s/-CIT/xCIT/" >broken &&
  78        test_must_fail git apply --stat --summary broken 2>detected &&
  79        detected=$(cat detected) &&
  80        detected=$(expr "$detected" : "fatal.*at line \\([0-9]*\\)\$") &&
  81        detected=$(sed -ne "${detected}p" broken) &&
  82        test "$detected" = xCIT
  83'
  84
  85test_expect_success 'initial commit' 'git commit -a -m initial'
  86
  87# Try removal (b), modification (d), and creation (e).
  88test_expect_success 'diff-index with --binary' '
  89        echo AIT >a && mv b e && echo CIT >c && cat e >d &&
  90        git update-index --add --remove a b c d e &&
  91        tree0=$(git write-tree) &&
  92        git diff --cached --binary >current &&
  93        git apply --stat --summary current
  94'
  95
  96test_expect_success 'apply binary patch' '
  97        git reset --hard &&
  98        git apply --binary --index <current &&
  99        tree1=$(git write-tree) &&
 100        test "$tree1" = "$tree0"
 101'
 102
 103test_expect_success 'diff --no-index with binary creation' '
 104        echo Q | q_to_nul >binary &&
 105        (: hide error code from diff, which just indicates differences
 106         git diff --binary --no-index /dev/null binary >current ||
 107         true
 108        ) &&
 109        rm binary &&
 110        git apply --binary <current &&
 111        echo Q >expected &&
 112        nul_to_q <binary >actual &&
 113        test_cmp expected actual
 114'
 115
 116cat >expect <<EOF
 117 binfile  |   Bin 0 -> 1026 bytes
 118 textfile | 10000 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 119EOF
 120
 121test_expect_success 'diff --stat with binary files and big change count' '
 122        printf "\01\00%1024d" 1 >binfile &&
 123        git add binfile &&
 124        i=0 &&
 125        while test $i -lt 10000; do
 126                echo $i &&
 127                i=$(($i + 1))
 128        done >textfile &&
 129        git add textfile &&
 130        git diff --cached --stat binfile textfile >output &&
 131        grep " | " output >actual &&
 132        test_cmp expect actual
 133'
 134
 135test_done