diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:49:36 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 09:49:36 +0000 |
commit | 5ec6074f0633939fd17d94111d10c6c6b062978c (patch) | |
tree | bfaa17b5a64abc66c918e9c70969e519d9e1df8e /t/t8011-blame-split-file.sh | |
parent | Initial commit. (diff) | |
download | git-5ec6074f0633939fd17d94111d10c6c6b062978c.tar.xz git-5ec6074f0633939fd17d94111d10c6c6b062978c.zip |
Adding upstream version 1:2.30.2.upstream/1%2.30.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t8011-blame-split-file.sh')
-rwxr-xr-x | t/t8011-blame-split-file.sh | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/t/t8011-blame-split-file.sh b/t/t8011-blame-split-file.sh new file mode 100755 index 0000000..bdda0c0 --- /dev/null +++ b/t/t8011-blame-split-file.sh @@ -0,0 +1,117 @@ +#!/bin/sh + +test_description=' +The general idea is that we have a single file whose lines come from +multiple other files, and those individual files were modified in the same +commits. That means that we will see the same commit in multiple contexts, +and each one should be attributed to the correct file. + +Note that we need to use "blame -C" to find the commit for all lines. We will +not bother testing that the non-C case fails to find it. That is how blame +behaves now, but it is not a property we want to make sure is retained. +' +. ./test-lib.sh + +# help avoid typing and reading long strings of similar lines +# in the tests below +generate_expect () { + while read nr data + do + i=0 + while test $i -lt $nr + do + echo $data + i=$((i + 1)) + done + done +} + +test_expect_success 'setup split file case' ' + # use lines long enough to trigger content detection + test_seq 1000 1010 >one && + test_seq 2000 2010 >two && + git add one two && + test_commit base && + + sed "6s/^/modified /" <one >one.tmp && + mv one.tmp one && + sed "6s/^/modified /" <two >two.tmp && + mv two.tmp two && + git add -u && + test_commit modified && + + cat one two >combined && + git add combined && + git rm one two && + test_commit combined +' + +test_expect_success 'setup simulated porcelain' ' + # This just reads porcelain-ish output and tries + # to output the value of a given field for each line (either by + # reading the field that accompanies this line, or referencing + # the information found last time the commit was mentioned). + cat >read-porcelain.pl <<-\EOF + my $field = shift; + while (<>) { + if (/^[0-9a-f]{40,} /) { + flush(); + $hash = $&; + } elsif (/^$field (.*)/) { + $cache{$hash} = $1; + } + } + flush(); + + sub flush { + return unless defined $hash; + if (defined $cache{$hash}) { + print "$cache{$hash}\n"; + } else { + print "NONE\n"; + } + } + EOF +' + +for output in porcelain line-porcelain +do + test_expect_success "generate --$output output" ' + git blame --root -C --$output combined >output + ' + + test_expect_success "$output output finds correct commits" ' + generate_expect >expect <<-\EOF && + 5 base + 1 modified + 10 base + 1 modified + 5 base + EOF + perl read-porcelain.pl summary <output >actual && + test_cmp expect actual + ' + + test_expect_success "$output output shows correct filenames" ' + generate_expect >expect <<-\EOF && + 11 one + 11 two + EOF + perl read-porcelain.pl filename <output >actual && + test_cmp expect actual + ' + + test_expect_success "$output output shows correct previous pointer" ' + generate_expect >expect <<-EOF && + 5 NONE + 1 $(git rev-parse modified^) one + 10 NONE + 1 $(git rev-parse modified^) two + 5 NONE + EOF + perl read-porcelain.pl previous <output >actual && + test_cmp expect actual + ' +done + +test_done |