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b2132068c6
Teach "cat-file --batch" to show delta-base object name for a packed object that is represented as a delta. * jk/oi-delta-base: cat-file: provide %(deltabase) batch format sha1_object_info_extended: provide delta base sha1s
299 lines
8.2 KiB
Bash
Executable file
299 lines
8.2 KiB
Bash
Executable file
#!/bin/sh
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test_description='git cat-file'
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. ./test-lib.sh
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echo_without_newline () {
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printf '%s' "$*"
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}
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strlen () {
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echo_without_newline "$1" | wc -c | sed -e 's/^ *//'
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}
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maybe_remove_timestamp () {
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if test -z "$2"; then
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echo_without_newline "$1"
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else
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echo_without_newline "$(printf '%s\n' "$1" | sed -e 's/ [0-9][0-9]* [-+][0-9][0-9][0-9][0-9]$//')"
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fi
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}
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run_tests () {
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type=$1
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sha1=$2
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size=$3
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content=$4
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pretty_content=$5
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no_ts=$6
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batch_output="$sha1 $type $size
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$content"
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test_expect_success "$type exists" '
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git cat-file -e $sha1
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'
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test_expect_success "Type of $type is correct" '
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echo $type >expect &&
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git cat-file -t $sha1 >actual &&
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test_cmp expect actual
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'
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test_expect_success "Size of $type is correct" '
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echo $size >expect &&
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git cat-file -s $sha1 >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "Content of $type is correct" '
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maybe_remove_timestamp "$content" $no_ts >expect &&
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maybe_remove_timestamp "$(git cat-file $type $sha1)" $no_ts >actual &&
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test_cmp expect actual
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'
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test_expect_success "Pretty content of $type is correct" '
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maybe_remove_timestamp "$pretty_content" $no_ts >expect &&
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maybe_remove_timestamp "$(git cat-file -p $sha1)" $no_ts >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "--batch output of $type is correct" '
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maybe_remove_timestamp "$batch_output" $no_ts >expect &&
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maybe_remove_timestamp "$(echo $sha1 | git cat-file --batch)" $no_ts >actual &&
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test_cmp expect actual
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'
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test_expect_success "--batch-check output of $type is correct" '
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echo "$sha1 $type $size" >expect &&
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echo_without_newline $sha1 | git cat-file --batch-check >actual &&
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test_cmp expect actual
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'
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test_expect_success "custom --batch-check format" '
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echo "$type $sha1" >expect &&
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echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual &&
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test_cmp expect actual
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'
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test_expect_success '--batch-check with %(rest)' '
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echo "$type this is some extra content" >expect &&
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echo "$sha1 this is some extra content" |
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git cat-file --batch-check="%(objecttype) %(rest)" >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "--batch without type ($type)" '
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{
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echo "$size" &&
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maybe_remove_timestamp "$content" $no_ts
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} >expect &&
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echo $sha1 | git cat-file --batch="%(objectsize)" >actual.full &&
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maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
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test_cmp expect actual
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'
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test -z "$content" ||
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test_expect_success "--batch without size ($type)" '
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{
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echo "$type" &&
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maybe_remove_timestamp "$content" $no_ts
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} >expect &&
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echo $sha1 | git cat-file --batch="%(objecttype)" >actual.full &&
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maybe_remove_timestamp "$(cat actual.full)" $no_ts >actual &&
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test_cmp expect actual
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'
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}
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hello_content="Hello World"
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hello_size=$(strlen "$hello_content")
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hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin)
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test_expect_success "setup" '
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echo_without_newline "$hello_content" > hello &&
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git update-index --add hello
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'
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run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content"
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test_expect_success '--batch-check without %(rest) considers whole line' '
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echo "$hello_sha1 blob $hello_size" >expect &&
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git update-index --add --cacheinfo 100644 $hello_sha1 "white space" &&
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test_when_finished "git update-index --remove \"white space\"" &&
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echo ":white space" | git cat-file --batch-check >actual &&
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test_cmp expect actual
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'
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tree_sha1=$(git write-tree)
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tree_size=33
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tree_pretty_content="100644 blob $hello_sha1 hello"
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run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content"
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commit_message="Initial commit"
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commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1)
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commit_size=177
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commit_content="tree $tree_sha1
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author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> 0000000000 +0000
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committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 0000000000 +0000
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$commit_message"
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run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" 1
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tag_header_without_timestamp="object $hello_sha1
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type blob
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tag hellotag
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tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"
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tag_description="This is a tag"
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tag_content="$tag_header_without_timestamp 0000000000 +0000
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$tag_description"
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tag_sha1=$(echo_without_newline "$tag_content" | git mktag)
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tag_size=$(strlen "$tag_content")
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run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" 1
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test_expect_success \
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"Reach a blob from a tag pointing to it" \
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"test '$hello_content' = \"\$(git cat-file blob $tag_sha1)\""
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for batch in batch batch-check
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do
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for opt in t s e p
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do
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test_expect_success "Passing -$opt with --$batch fails" '
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test_must_fail git cat-file --$batch -$opt $hello_sha1
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'
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test_expect_success "Passing --$batch with -$opt fails" '
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test_must_fail git cat-file -$opt --$batch $hello_sha1
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'
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done
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test_expect_success "Passing <type> with --$batch fails" '
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test_must_fail git cat-file --$batch blob $hello_sha1
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'
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test_expect_success "Passing --$batch with <type> fails" '
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test_must_fail git cat-file blob --$batch $hello_sha1
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'
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test_expect_success "Passing sha1 with --$batch fails" '
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test_must_fail git cat-file --$batch $hello_sha1
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'
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done
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test_expect_success "--batch-check for a non-existent named object" '
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test "foobar42 missing
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foobar84 missing" = \
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"$( ( echo foobar42; echo_without_newline foobar84; ) | git cat-file --batch-check)"
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'
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test_expect_success "--batch-check for a non-existent hash" '
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test "0000000000000000000000000000000000000042 missing
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0000000000000000000000000000000000000084 missing" = \
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"$( ( echo 0000000000000000000000000000000000000042;
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echo_without_newline 0000000000000000000000000000000000000084; ) \
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| git cat-file --batch-check)"
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'
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test_expect_success "--batch for an existent and a non-existent hash" '
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test "$tag_sha1 tag $tag_size
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$tag_content
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0000000000000000000000000000000000000000 missing" = \
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"$( ( echo $tag_sha1;
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echo_without_newline 0000000000000000000000000000000000000000; ) \
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| git cat-file --batch)"
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'
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test_expect_success "--batch-check for an emtpy line" '
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test " missing" = "$(echo | git cat-file --batch-check)"
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'
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test_expect_success 'empty --batch-check notices missing object' '
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echo "$_z40 missing" >expect &&
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echo "$_z40" | git cat-file --batch-check="" >actual &&
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test_cmp expect actual
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'
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batch_input="$hello_sha1
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$commit_sha1
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$tag_sha1
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deadbeef
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"
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batch_output="$hello_sha1 blob $hello_size
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$hello_content
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$commit_sha1 commit $commit_size
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$commit_content
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$tag_sha1 tag $tag_size
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$tag_content
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deadbeef missing
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missing"
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test_expect_success '--batch with multiple sha1s gives correct format' '
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test "$(maybe_remove_timestamp "$batch_output" 1)" = "$(maybe_remove_timestamp "$(echo_without_newline "$batch_input" | git cat-file --batch)" 1)"
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'
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batch_check_input="$hello_sha1
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$tree_sha1
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$commit_sha1
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$tag_sha1
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deadbeef
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"
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batch_check_output="$hello_sha1 blob $hello_size
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$tree_sha1 tree $tree_size
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$commit_sha1 commit $commit_size
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$tag_sha1 tag $tag_size
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deadbeef missing
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missing"
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test_expect_success "--batch-check with multiple sha1s gives correct format" '
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test "$batch_check_output" = \
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"$(echo_without_newline "$batch_check_input" | git cat-file --batch-check)"
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'
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test_expect_success 'setup blobs which are likely to delta' '
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test-genrandom foo 10240 >foo &&
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{ cat foo; echo plus; } >foo-plus &&
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git add foo foo-plus &&
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git commit -m foo &&
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cat >blobs <<-\EOF
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HEAD:foo
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HEAD:foo-plus
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EOF
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'
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test_expect_success 'confirm that neither loose blob is a delta' '
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cat >expect <<-EOF
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$_z40
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$_z40
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EOF
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git cat-file --batch-check="%(deltabase)" <blobs >actual &&
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test_cmp expect actual
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'
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# To avoid relying too much on the current delta heuristics,
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# we will check only that one of the two objects is a delta
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# against the other, but not the order. We can do so by just
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# asking for the base of both, and checking whether either
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# sha1 appears in the output.
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test_expect_success '%(deltabase) reports packed delta bases' '
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git repack -ad &&
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git cat-file --batch-check="%(deltabase)" <blobs >actual &&
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{
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grep "$(git rev-parse HEAD:foo)" actual ||
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grep "$(git rev-parse HEAD:foo-plus)" actual
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}
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'
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test_done
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