Andrew's git - gitweb.git/blob - t/t1006-cat-file.sh

   1#!/bin/sh
   2
   3test_description='git cat-file'
   4
   5. ./test-lib.sh
   6
   7echo_without_newline () {
   8    printf '%s' "$*"
   9}
  10
  11strlen () {
  12    echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
  13}
  14
  15maybe_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
  23run_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)" $no_ts >actual &&
 120        test_cmp expect actual
 121    '
 122}
 123
 124hello_content="Hello World"
 125hello_size=$(strlen "$hello_content")
 126hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin)
 127
 128test_expect_success "setup" '
 129        echo_without_newline "$hello_content" > hello &&
 130        git update-index --add hello
 131'
 132
 133run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content"
 134
 135test_expect_success '--batch-check without %(rest) considers whole line' '
 136        echo "$hello_sha1 blob $hello_size" >expect &&
 137        git update-index --add --cacheinfo 100644 $hello_sha1 "white space" &&
 138        test_when_finished "git update-index --remove \"white space\"" &&
 139        echo ":white space" | git cat-file --batch-check >actual &&
 140        test_cmp expect actual
 141'
 142
 143tree_sha1=$(git write-tree)
 144tree_size=33
 145tree_pretty_content="100644 blob $hello_sha1    hello"
 146
 147run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content"
 148
 149commit_message="Initial commit"
 150commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
 151commit_size=177
 152commit_content="tree $tree_sha1
 153author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
 154committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
 155
 156$commit_message"
 157
 158run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1
 159
 160tag_header_without_timestamp="object $hello_sha1
 161type blob
 162tag hellotag
 163tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
 164tag_description="This is a tag"
 165tag_content="$tag_header_without_timestamp 0000000000 +0000
 166
 167$tag_description"
 168
 169tag_sha1=$(echo_without_newline "$tag_content" | git mktag)
 170tag_size=$(strlen "$tag_content")
 171
 172run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" 1
 173
 174test_expect_success \
 175    "Reach a blob from a tag pointing to it" \
 176    "test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\""
 177
 178for batch in batch batch-check
 179do
 180    for opt in t s e p
 181    do
 182        test_expect_success "Passing -$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 $hello_sha1
 201    '
 202done
 203
 204test_expect_success "--batch-check for a non-existent named object" '
 205    test "foobar42 missing
 206foobar84 missing" = \
 207    "$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)"
 208'
 209
 210test_expect_success "--batch-check for a non-existent hash" '
 211    test "0000000000000000000000000000000000000042 missing
 2120000000000000000000000000000000000000084 missing" = \
 213    "$( ( echo 0000000000000000000000000000000000000042;
 214         echo_without_newline 0000000000000000000000000000000000000084; ) \
 215       | git cat-file --batch-check)"
 216'
 217
 218test_expect_success "--batch for an existent and a non-existent hash" '
 219    test "$tag_sha1 tag $tag_size
 220$tag_content
 2210000000000000000000000000000000000000000 missing" = \
 222    "$( ( echo $tag_sha1;
 223         echo_without_newline 0000000000000000000000000000000000000000; ) \
 224       | git cat-file --batch)"
 225'
 226
 227test_expect_success "--batch-check for an emtpy line" '
 228    test " missing" = "$(echo | git cat-file --batch-check)"
 229'
 230
 231test_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
 237batch_input="$hello_sha1
 238$commit_sha1
 239$tag_sha1
 240deadbeef
 241
 242"
 243
 244batch_output="$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
 250deadbeef missing
 251 missing"
 252
 253test_expect_success '--batch with multiple sha1s gives correct format' '
 254        test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)"
 255'
 256
 257batch_check_input="$hello_sha1
 258$tree_sha1
 259$commit_sha1
 260$tag_sha1
 261deadbeef
 262
 263"
 264
 265batch_check_output="$hello_sha1 blob $hello_size
 266$tree_sha1 tree $tree_size
 267$commit_sha1 commit $commit_size
 268$tag_sha1 tag $tag_size
 269deadbeef missing
 270 missing"
 271
 272test_expect_success "--batch-check with multiple sha1s gives correct format" '
 273    test "$batch_check_output" = \
 274    "$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)"
 275'
 276
 277test_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
 288test_expect_success 'confirm that neither loose blob is a delta' '
 289        cat >expect <<-EOF &&
 290        $_z40
 291        $_z40
 292        EOF
 293        git cat-file --batch-check="%(deltabase)" <blobs >actual &&
 294        test_cmp expect actual
 295'
 296
 297# To avoid relying too much on the current delta heuristics,
 298# we will check only that one of the two objects is a delta
 299# against the other, but not the order. We can do so by just
 300# asking for the base of both, and checking whether either
 301# sha1 appears in the output.
 302test_expect_success '%(deltabase) reports packed delta bases' '
 303        git repack -ad &&
 304        git cat-file --batch-check="%(deltabase)" <blobs >actual &&
 305        {
 306                grep "$(git rev-parse HEAD:foo)" actual ||
 307                grep "$(git rev-parse HEAD:foo-plus)" actual
 308        }
 309'
 310
 311bogus_type="bogus"
 312bogus_content="bogus"
 313bogus_size=$(strlen "$bogus_content")
 314bogus_sha1=$(echo_without_newline "$bogus_content" | git hash-object -t $bogus_type --literally -w --stdin)
 315
 316test_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
 322test_expect_success "Size of broken object is correct" '
 323        echo $bogus_size >expect &&
 324        git cat-file -s --allow-unknown-type $bogus_sha1 >actual &&
 325        test_cmp expect actual
 326'
 327bogus_type="abcdefghijklmnopqrstuvwxyz1234679"
 328bogus_content="bogus"
 329bogus_size=$(strlen "$bogus_content")
 330bogus_sha1=$(echo_without_newline "$bogus_content" | git hash-object -t $bogus_type --literally -w --stdin)
 331
 332test_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
 338test_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
 344test_done