t/t1006-cat-file.sh

   1 #!/bin/sh
   2
   3 test_description='git cat-file'
   4
   5 . ./test-lib.sh
   6
   7 echo_without_newline () {
   8     printf '%s' "$*"
   9 }
  10
  11 strlen () {
  12     echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
  13 }
  14
  15 maybe_remove_timestamp () {
  16     if test -z "$2"; then
  17         echo_without_newline "$1"
  18     else
  19         echo_without_newline "$(printf '%s\n' "$1" | sed -e 's/ [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$//')"
  20     fi
  21 }
  22
  23 run_tests () {
  24     type=$1
  25     sha1=$2
  26     size=$3
  27     content=$4
  28     pretty_content=$5
  29     no_ts=$6
  30
  31     batch_output="$sha1 $type $size
  32 $content"
  33
  34     test_expect_success "$type exists" '
  35         git cat-file -e $sha1
  36     '
  37
  38     test_expect_success "Type of $type is correct" '
  39         echo $type >expect &&
  40         git cat-file -t $sha1 >actual &&
  41         test_cmp expect actual
  42     '
  43
  44     test_expect_success "Size of $type is correct" '
  45         echo $size >expect &&
  46         git cat-file -s $sha1 >actual &&
  47         test_cmp expect actual
  48     '
  49
  50     test -z "$content" ||
  51     test_expect_success "Content of $type is correct" '
  52         maybe_remove_timestamp "$content" $no_ts >expect &&
  53         maybe_remove_timestamp "$(git cat-file $type $sha1)" $no_ts >actual &&
  54         test_cmp expect actual
  55     '
  56
  57     test_expect_success "Pretty content of $type is correct" '
  58         maybe_remove_timestamp "$pretty_content" $no_ts >expect &&
  59         maybe_remove_timestamp "$(git cat-file -p $sha1)" $no_ts >actual &&
  60         test_cmp expect actual
  61     '
  62
  63     test -z "$content" ||
  64     test_expect_success "--batch output of $type is correct" '
  65         maybe_remove_timestamp "$batch_output" $no_ts >expect &&
  66         maybe_remove_timestamp "$(echo $sha1 | git cat-file --batch)" $no_ts >actual &&
  67         test_cmp expect actual
  68     '
  69
  70     test_expect_success "--batch-check output of $type is correct" '
  71         echo "$sha1 $type $size" >expect &&
  72         echo_without_newline $sha1 | git cat-file --batch-check >actual &&
  73         test_cmp expect actual
  74     '
  75
  76     test_expect_success "custom --batch-check format" '
  77         echo "$type $sha1" >expect &&
  78         echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
  79         test_cmp expect actual
  80     '
  81
  82     test_expect_success '--batch-check with %(rest)' '
  83         echo "$type this is some extra content" >expect &&
  84         echo "$sha1    this is some extra content" |
  85                 git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
  86         test_cmp expect actual
  87     '
  88
  89     test -z "$content" ||
  90     test_expect_success "--batch without type ($type)" '
  91         {
  92                 echo "$size" &&
  93                 maybe_remove_timestamp "$content" $no_ts
  94         } >expect &&
  95         echo $sha1 | git cat-file --batch="%(objectsize)" >actual.full &&
  96         maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
  97         test_cmp expect actual
  98     '
  99
 100     test -z "$content" ||
 101     test_expect_success "--batch without size ($type)" '
 102         {
 103                 echo "$type" &&
 104                 maybe_remove_timestamp "$content" $no_ts
 105         } >expect &&
 106         echo $sha1 | git cat-file --batch="%(objecttype)" >actual.full &&
 107         maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
 108         test_cmp expect actual
 109     '
 110 }
 111
 112 hello_content="Hello World"
 113 hello_size=$(strlen "$hello_content")
 114 hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin)
 115
 116 test_expect_success "setup" '
 117         echo_without_newline "$hello_content" > hello &&
 118         git update-index --add hello
 119 '
 120
 121 run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content"
 122
 123 test_expect_success '--batch-check without %(rest) considers whole line' '
 124         echo "$hello_sha1 blob $hello_size" >expect &&
 125         git update-index --add --cacheinfo 100644 $hello_sha1 "white space" &&
 126         test_when_finished "git update-index --remove \"white space\"" &&
 127         echo ":white space" | git cat-file --batch-check >actual &&
 128         test_cmp expect actual
 129 '
 130
 131 tree_sha1=$(git write-tree)
 132 tree_size=33
 133 tree_pretty_content="100644 blob $hello_sha1    hello"
 134
 135 run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content"
 136
 137 commit_message="Initial commit"
 138 commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
 139 commit_size=177
 140 commit_content="tree $tree_sha1
 141 author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
 142 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
 143
 144 $commit_message"
 145
 146 run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1
 147
 148 tag_header_without_timestamp="object $hello_sha1
 149 type blob
 150 tag hellotag
 151 tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
 152 tag_description="This is a tag"
 153 tag_content="$tag_header_without_timestamp 0000000000 +0000
 154
 155 $tag_description"
 156
 157 tag_sha1=$(echo_without_newline "$tag_content" | git mktag)
 158 tag_size=$(strlen "$tag_content")
 159
 160 run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" 1
 161
 162 test_expect_success \
 163     "Reach a blob from a tag pointing to it" \
 164     "test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\""
 165
 166 for batch in batch batch-check
 167 do
 168     for opt in t s e p
 169     do
 170         test_expect_success "Passing -$opt with --$batch fails" '
 171             test_must_fail git cat-file --$batch -$opt $hello_sha1
 172         '
 173
 174         test_expect_success "Passing --$batch with -$opt fails" '
 175             test_must_fail git cat-file -$opt --$batch $hello_sha1
 176         '
 177     done
 178
 179     test_expect_success "Passing <type> with --$batch fails" '
 180         test_must_fail git cat-file --$batch blob $hello_sha1
 181     '
 182
 183     test_expect_success "Passing --$batch with <type> fails" '
 184         test_must_fail git cat-file blob --$batch $hello_sha1
 185     '
 186
 187     test_expect_success "Passing sha1 with --$batch fails" '
 188         test_must_fail git cat-file --$batch $hello_sha1
 189     '
 190 done
 191
 192 test_expect_success "--batch-check for a non-existent named object" '
 193     test "foobar42 missing
 194 foobar84 missing" = \
 195     "$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)"
 196 '
 197
 198 test_expect_success "--batch-check for a non-existent hash" '
 199     test "0000000000000000000000000000000000000042 missing
 200 0000000000000000000000000000000000000084 missing" = \
 201     "$( ( echo 0000000000000000000000000000000000000042;
 202          echo_without_newline 0000000000000000000000000000000000000084; ) \
 203        | git cat-file --batch-check)"
 204 '
 205
 206 test_expect_success "--batch for an existent and a non-existent hash" '
 207     test "$tag_sha1 tag $tag_size
 208 $tag_content
 209 0000000000000000000000000000000000000000 missing" = \
 210     "$( ( echo $tag_sha1;
 211          echo_without_newline 0000000000000000000000000000000000000000; ) \
 212        | git cat-file --batch)"
 213 '
 214
 215 test_expect_success "--batch-check for an emtpy line" '
 216     test " missing" = "$(echo | git cat-file --batch-check)"
 217 '
 218
 219 test_expect_success 'empty --batch-check notices missing object' '
 220         echo "$_z40 missing" >expect &&
 221         echo "$_z40" | git cat-file --batch-check="" >actual &&
 222         test_cmp expect actual
 223 '
 224
 225 batch_input="$hello_sha1
 226 $commit_sha1
 227 $tag_sha1
 228 deadbeef
 229
 230 "
 231
 232 batch_output="$hello_sha1 blob $hello_size
 233 $hello_content
 234 $commit_sha1 commit $commit_size
 235 $commit_content
 236 $tag_sha1 tag $tag_size
 237 $tag_content
 238 deadbeef missing
 239  missing"
 240
 241 test_expect_success '--batch with multiple sha1s gives correct format' '
 242         test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)"
 243 '
 244
 245 batch_check_input="$hello_sha1
 246 $tree_sha1
 247 $commit_sha1
 248 $tag_sha1
 249 deadbeef
 250
 251 "
 252
 253 batch_check_output="$hello_sha1 blob $hello_size
 254 $tree_sha1 tree $tree_size
 255 $commit_sha1 commit $commit_size
 256 $tag_sha1 tag $tag_size
 257 deadbeef missing
 258  missing"
 259
 260 test_expect_success "--batch-check with multiple sha1s gives correct format" '
 261     test "$batch_check_output" = \
 262     "$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)"
 263 '
 264
 265 test_expect_success 'setup blobs which are likely to delta' '
 266         test-genrandom foo 10240 >foo &&
 267         { cat foo; echo plus; } >foo-plus &&
 268         git add foo foo-plus &&
 269         git commit -m foo &&
 270         cat >blobs <<-\EOF
 271         HEAD:foo
 272         HEAD:foo-plus
 273         EOF
 274 '
 275
 276 test_expect_success 'confirm that neither loose blob is a delta' '
 277         cat >expect <<-EOF
 278         $_z40
 279         $_z40
 280         EOF
 281         git cat-file --batch-check="%(deltabase)" <blobs >actual &&
 282         test_cmp expect actual
 283 '
 284
 285 # To avoid relying too much on the current delta heuristics,
 286 # we will check only that one of the two objects is a delta
 287 # against the other, but not the order. We can do so by just
 288 # asking for the base of both, and checking whether either
 289 # sha1 appears in the output.
 290 test_expect_success '%(deltabase) reports packed delta bases' '
 291         git repack -ad &&
 292         git cat-file --batch-check="%(deltabase)" <blobs >actual &&
 293         {
 294                 grep "$(git rev-parse HEAD:foo)" actual ||
 295                 grep "$(git rev-parse HEAD:foo-plus)" actual
 296         }
 297 '
 298
 299 test_done