t/t4030-diff-textconv.sh

   1 #!/bin/sh
   2
   3 test_description='diff.*.textconv tests'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 find_diff() {
   9         sed '1,/^index /d' | sed '/^-- $/,$d'
  10 }
  11
  12 cat >expect.binary <<'EOF'
  13 Binary files a/file and b/file differ
  14 EOF
  15
  16 cat >expect.text <<'EOF'
  17 --- a/file
  18 +++ b/file
  19 @@ -1 +1,2 @@
  20  0
  21 +1
  22 EOF
  23
  24 cat >hexdump <<'EOF'
  25 #!/bin/sh
  26 "$PERL_PATH" -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' < "$1"
  27 EOF
  28 chmod +x hexdump
  29
  30 test_expect_success 'setup binary file with history' '
  31         test_commit --printf one file "\\0\\n" &&
  32         test_commit --printf --append two file "\\01\\n"
  33 '
  34
  35 test_expect_success 'file is considered binary by porcelain' '
  36         git diff HEAD^ HEAD >diff &&
  37         find_diff <diff >actual &&
  38         test_cmp expect.binary actual
  39 '
  40
  41 test_expect_success 'file is considered binary by plumbing' '
  42         git diff-tree -p HEAD^ HEAD >diff &&
  43         find_diff <diff >actual &&
  44         test_cmp expect.binary actual
  45 '
  46
  47 test_expect_success 'setup textconv filters' '
  48         echo file diff=foo >.gitattributes &&
  49         git config diff.foo.textconv "\"$(pwd)\""/hexdump &&
  50         git config diff.fail.textconv false
  51 '
  52
  53 test_expect_success 'diff produces text' '
  54         git diff HEAD^ HEAD >diff &&
  55         find_diff <diff >actual &&
  56         test_cmp expect.text actual
  57 '
  58
  59 test_expect_success 'show commit produces text' '
  60         git show HEAD >diff &&
  61         find_diff <diff >actual &&
  62         test_cmp expect.text actual
  63 '
  64
  65 test_expect_success 'diff-tree produces binary' '
  66         git diff-tree -p HEAD^ HEAD >diff &&
  67         find_diff <diff >actual &&
  68         test_cmp expect.binary actual
  69 '
  70
  71 test_expect_success 'log produces text' '
  72         git log -1 -p >log &&
  73         find_diff <log >actual &&
  74         test_cmp expect.text actual
  75 '
  76
  77 test_expect_success 'format-patch produces binary' '
  78         git format-patch --no-binary --stdout HEAD^ >patch &&
  79         find_diff <patch >actual &&
  80         test_cmp expect.binary actual
  81 '
  82
  83 test_expect_success 'status -v produces text' '
  84         git reset --soft HEAD^ &&
  85         git status -v >diff &&
  86         find_diff <diff >actual &&
  87         test_cmp expect.text actual &&
  88         git reset --soft HEAD@{1}
  89 '
  90
  91 test_expect_success 'show blob produces binary' '
  92         git show HEAD:file >actual &&
  93         printf "\\0\\n\\01\\n" >expect &&
  94         test_cmp expect actual
  95 '
  96
  97 test_expect_success 'show --textconv blob produces text' '
  98         git show --textconv HEAD:file >actual &&
  99         printf "0\\n1\\n" >expect &&
 100         test_cmp expect actual
 101 '
 102
 103 test_expect_success 'show --no-textconv blob produces binary' '
 104         git show --no-textconv HEAD:file >actual &&
 105         printf "\\0\\n\\01\\n" >expect &&
 106         test_cmp expect actual
 107 '
 108
 109 test_expect_success 'grep-diff (-G) operates on textconv data (add)' '
 110         echo one >expect &&
 111         git log --root --format=%s -G0 >actual &&
 112         test_cmp expect actual
 113 '
 114
 115 test_expect_success 'grep-diff (-G) operates on textconv data (modification)' '
 116         echo two >expect &&
 117         git log --root --format=%s -G1 >actual &&
 118         test_cmp expect actual
 119 '
 120
 121 test_expect_success 'pickaxe (-S) operates on textconv data (add)' '
 122         echo one >expect &&
 123         git log --root --format=%s -S0 >actual &&
 124         test_cmp expect actual
 125 '
 126
 127 test_expect_success 'pickaxe (-S) operates on textconv data (modification)' '
 128         echo two >expect &&
 129         git log --root --format=%s -S1 >actual &&
 130         test_cmp expect actual
 131 '
 132
 133 cat >expect.stat <<'EOF'
 134  file | Bin 2 -> 4 bytes
 135  1 file changed, 0 insertions(+), 0 deletions(-)
 136 EOF
 137 test_expect_success 'diffstat does not run textconv' '
 138         echo file diff=fail >.gitattributes &&
 139         git diff --stat HEAD^ HEAD >actual &&
 140         test_cmp expect.stat actual &&
 141
 142         head -n1 <expect.stat >expect.line1 &&
 143         head -n1 <actual >actual.line1 &&
 144         test_cmp expect.line1 actual.line1
 145 '
 146 # restore working setup
 147 echo file diff=foo >.gitattributes
 148
 149 symlink=$(git rev-parse --short $(printf frotz | git hash-object --stdin))
 150 cat >expect.typechange <<EOF
 151 --- a/file
 152 +++ /dev/null
 153 @@ -1,2 +0,0 @@
 154 -0
 155 -1
 156 diff --git a/file b/file
 157 new file mode 120000
 158 index 0000000..$symlink
 159 --- /dev/null
 160 +++ b/file
 161 @@ -0,0 +1 @@
 162 +frotz
 163 \ No newline at end of file
 164 EOF
 165
 166 test_expect_success 'textconv does not act on symlinks' '
 167         rm -f file &&
 168         test_ln_s_add frotz file &&
 169         git commit -m typechange &&
 170         git show >diff &&
 171         find_diff <diff >actual &&
 172         test_cmp expect.typechange actual
 173 '
 174
 175 test_done