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_expect_success "Type of $type is correct using --allow-unknown-type" '
  51         echo $type >expect &&
  52         git cat-file -t --allow-unknown-type $sha1 >actual &&
  53         test_cmp expect actual
  54     '
  55
  56     test_expect_success "Size of $type is correct using --allow-unknown-type" '
  57         echo $size >expect &&
  58         git cat-file -s --allow-unknown-type $sha1 >actual &&
  59         test_cmp expect actual
  60     '
  61
  62     test -z "$content" ||
  63     test_expect_success "Content of $type is correct" '
  64         maybe_remove_timestamp "$content" $no_ts >expect &&
  65         maybe_remove_timestamp "$(git cat-file $type $sha1)" $no_ts >actual &&
  66         test_cmp expect actual
  67     '
  68
  69     test_expect_success "Pretty content of $type is correct" '
  70         maybe_remove_timestamp "$pretty_content" $no_ts >expect &&
  71         maybe_remove_timestamp "$(git cat-file -p $sha1)" $no_ts >actual &&
  72         test_cmp expect actual
  73     '
  74
  75     test -z "$content" ||
  76     test_expect_success "--batch output of $type is correct" '
  77         maybe_remove_timestamp "$batch_output" $no_ts >expect &&
  78         maybe_remove_timestamp "$(echo $sha1 | git cat-file --batch)" $no_ts >actual &&
  79         test_cmp expect actual
  80     '
  81
  82     test_expect_success "--batch-check output of $type is correct" '
  83         echo "$sha1 $type $size" >expect &&
  84         echo_without_newline $sha1 | git cat-file --batch-check >actual &&
  85         test_cmp expect actual
  86     '
  87
  88     test_expect_success "custom --batch-check format" '
  89         echo "$type $sha1" >expect &&
  90         echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
  91         test_cmp expect actual
  92     '
  93
  94     test_expect_success '--batch-check with %(rest)' '
  95         echo "$type this is some extra content" >expect &&
  96         echo "$sha1    this is some extra content" |
  97                 git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
  98         test_cmp expect actual
  99     '
 100
 101     test -z "$content" ||
 102     test_expect_success "--batch without type ($type)" '
 103         {
 104                 echo "$size" &&
 105                 maybe_remove_timestamp "$content" $no_ts
 106         } >expect &&
 107         echo $sha1 | git cat-file --batch="%(objectsize)" >actual.full &&
 108         maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
 109         test_cmp expect actual
 110     '
 111
 112     test -z "$content" ||
 113     test_expect_success "--batch without size ($type)" '
 114         {
 115                 echo "$type" &&
 116                 maybe_remove_timestamp "$content" $no_ts
 117         } >expect &&
 118         echo $sha1 | git cat-file --batch="%(objecttype)" >actual.full &&
 119         maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
 120         test_cmp expect actual
 121     '
 122 }
 123
 124 hello_content="Hello World"
 125 hello_size=$(strlen "$hello_content")
 126 hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin)
 127
 128 test_expect_success "setup" '
 129         echo_without_newline "$hello_content" > hello &&
 130         git update-index --add hello
 131 '
 132
 133 run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content"
 134
 135 test_expect_success '--batch-check without %(rest) considers whole line' '
 136         echo "$hello_sha1 blob $hello_size" >expect &&
 137         git update-index --add --cacheinfo 100644 $hello_sha1 "white space" &&
 138         test_when_finished "git update-index --remove \"white space\"" &&
 139         echo ":white space" | git cat-file --batch-check >actual &&
 140         test_cmp expect actual
 141 '
 142
 143 tree_sha1=$(git write-tree)
 144 tree_size=33
 145 tree_pretty_content="100644 blob $hello_sha1    hello"
 146
 147 run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content"
 148
 149 commit_message="Initial commit"
 150 commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
 151 commit_size=177
 152 commit_content="tree $tree_sha1
 153 author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
 154 committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
 155
 156 $commit_message"
 157
 158 run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1
 159
 160 tag_header_without_timestamp="object $hello_sha1
 161 type blob
 162 tag hellotag
 163 tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
 164 tag_description="This is a tag"
 165 tag_content="$tag_header_without_timestamp 0000000000 +0000
 166
 167 $tag_description"
 168
 169 tag_sha1=$(echo_without_newline "$tag_content" | git mktag)
 170 tag_size=$(strlen "$tag_content")
 171
 172 run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" 1
 173
 174 test_expect_success \
 175     "Reach a blob from a tag pointing to it" \
 176     "test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\""
 177
 178 for batch in batch batch-check
 179 do
 180     for opt in t s e p
 181     do
 182         test_expect_success "Passing -$opt with --$batch fails" '
 183             test_must_fail git cat-file --$batch -$opt $hello_sha1
 184         '
 185
 186         test_expect_success "Passing --$batch with -$opt fails" '
 187             test_must_fail git cat-file -$opt --$batch $hello_sha1
 188         '
 189     done
 190
 191     test_expect_success "Passing <type> with --$batch fails" '
 192         test_must_fail git cat-file --$batch blob $hello_sha1
 193     '
 194
 195     test_expect_success "Passing --$batch with <type> fails" '
 196         test_must_fail git cat-file blob --$batch $hello_sha1
 197     '
 198
 199     test_expect_success "Passing sha1 with --$batch fails" '
 200         test_must_fail git cat-file --$batch $hello_sha1
 201     '
 202 done
 203
 204 test_expect_success "--batch-check for a non-existent named object" '
 205     test "foobar42 missing
 206 foobar84 missing" = \
 207     "$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)"
 208 '
 209
 210 test_expect_success "--batch-check for a non-existent hash" '
 211     test "0000000000000000000000000000000000000042 missing
 212 0000000000000000000000000000000000000084 missing" = \
 213     "$( ( echo 0000000000000000000000000000000000000042;
 214          echo_without_newline 0000000000000000000000000000000000000084; ) \
 215        | git cat-file --batch-check)"
 216 '
 217
 218 test_expect_success "--batch for an existent and a non-existent hash" '
 219     test "$tag_sha1 tag $tag_size
 220 $tag_content
 221 0000000000000000000000000000000000000000 missing" = \
 222     "$( ( echo $tag_sha1;
 223          echo_without_newline 0000000000000000000000000000000000000000; ) \
 224        | git cat-file --batch)"
 225 '
 226
 227 test_expect_success "--batch-check for an emtpy line" '
 228     test " missing" = "$(echo | git cat-file --batch-check)"
 229 '
 230
 231 test_expect_success 'empty --batch-check notices missing object' '
 232         echo "$_z40 missing" >expect &&
 233         echo "$_z40" | git cat-file --batch-check="" >actual &&
 234         test_cmp expect actual
 235 '
 236
 237 batch_input="$hello_sha1
 238 $commit_sha1
 239 $tag_sha1
 240 deadbeef
 241
 242 "
 243
 244 batch_output="$hello_sha1 blob $hello_size
 245 $hello_content
 246 $commit_sha1 commit $commit_size
 247 $commit_content
 248 $tag_sha1 tag $tag_size
 249 $tag_content
 250 deadbeef missing
 251  missing"
 252
 253 test_expect_success '--batch with multiple sha1s gives correct format' '
 254         test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)"
 255 '
 256
 257 batch_check_input="$hello_sha1
 258 $tree_sha1
 259 $commit_sha1
 260 $tag_sha1
 261 deadbeef
 262
 263 "
 264
 265 batch_check_output="$hello_sha1 blob $hello_size
 266 $tree_sha1 tree $tree_size
 267 $commit_sha1 commit $commit_size
 268 $tag_sha1 tag $tag_size
 269 deadbeef missing
 270  missing"
 271
 272 test_expect_success "--batch-check with multiple sha1s gives correct format" '
 273     test "$batch_check_output" = \
 274     "$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)"
 275 '
 276
 277 test_expect_success 'setup blobs which are likely to delta' '
 278         test-genrandom foo 10240 >foo &&
 279         { cat foo; echo plus; } >foo-plus &&
 280         git add foo foo-plus &&
 281         git commit -m foo &&
 282         cat >blobs <<-\EOF
 283         HEAD:foo
 284         HEAD:foo-plus
 285         EOF
 286 '
 287
 288 test_expect_success 'confirm that neither loose blob is a delta' '
 289         cat >expect <<-EOF &&
 290         $_z40
 291         $_z40
 292         EOF
 293         git cat-file --batch-check="%(deltabase)" <blobs >actual &&
 294         test_cmp expect actual
 295 '
 296
 297 # To avoid relying too much on the current delta heuristics,
 298 # we will check only that one of the two objects is a delta
 299 # against the other, but not the order. We can do so by just
 300 # asking for the base of both, and checking whether either
 301 # sha1 appears in the output.
 302 test_expect_success '%(deltabase) reports packed delta bases' '
 303         git repack -ad &&
 304         git cat-file --batch-check="%(deltabase)" <blobs >actual &&
 305         {
 306                 grep "$(git rev-parse HEAD:foo)" actual ||
 307                 grep "$(git rev-parse HEAD:foo-plus)" actual
 308         }
 309 '
 310
 311 bogus_type="bogus"
 312 bogus_content="bogus"
 313 bogus_size=$(strlen "$bogus_content")
 314 bogus_sha1=$(echo_without_newline "$bogus_content" | git hash-object -t $bogus_type --literally -w --stdin)
 315
 316 test_expect_success "Type of broken object is correct" '
 317         echo $bogus_type >expect &&
 318         git cat-file -t --allow-unknown-type $bogus_sha1 >actual &&
 319         test_cmp expect actual
 320 '
 321
 322 test_expect_success "Size of broken object is correct" '
 323         echo $bogus_size >expect &&
 324         git cat-file -s --allow-unknown-type $bogus_sha1 >actual &&
 325         test_cmp expect actual
 326 '
 327 bogus_type="abcdefghijklmnopqrstuvwxyz1234679"
 328 bogus_content="bogus"
 329 bogus_size=$(strlen "$bogus_content")
 330 bogus_sha1=$(echo_without_newline "$bogus_content" | git hash-object -t $bogus_type --literally -w --stdin)
 331
 332 test_expect_success "Type of broken object is correct when type is large" '
 333         echo $bogus_type >expect &&
 334         git cat-file -t --allow-unknown-type $bogus_sha1 >actual &&
 335         test_cmp expect actual
 336 '
 337
 338 test_expect_success "Size of large broken object is correct when type is large" '
 339         echo $bogus_size >expect &&
 340         git cat-file -s --allow-unknown-type $bogus_sha1 >actual &&
 341         test_cmp expect actual
 342 '
 343
 344 test_done