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Diffstat (limited to 't/t4001-diff-rename.sh')
| -rwxr-xr-x | t/t4001-diff-rename.sh | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/t/t4001-diff-rename.sh b/t/t4001-diff-rename.sh new file mode 100755 index 0000000000..2f327b7495 --- /dev/null +++ b/t/t4001-diff-rename.sh @@ -0,0 +1,159 @@ +#!/bin/sh +# +# Copyright (c) 2005 Junio C Hamano +# + +test_description='Test rename detection in diff engine. + +' +. ./test-lib.sh +. "$TEST_DIRECTORY"/diff-lib.sh + +echo >path0 'Line 1 +Line 2 +Line 3 +Line 4 +Line 5 +Line 6 +Line 7 +Line 8 +Line 9 +Line 10 +line 11 +Line 12 +Line 13 +Line 14 +Line 15 +' + +test_expect_success \ + 'update-index --add a file.' \ + 'git update-index --add path0' + +test_expect_success \ + 'write that tree.' \ + 'tree=$(git write-tree) && echo $tree' + +sed -e 's/line/Line/' <path0 >path1 +rm -f path0 +test_expect_success \ + 'renamed and edited the file.' \ + 'git update-index --add --remove path0 path1' + +test_expect_success \ + 'git diff-index -p -M after rename and editing.' \ + 'git diff-index -p -M $tree >current' +cat >expected <<\EOF +diff --git a/path0 b/path1 +rename from path0 +rename to path1 +--- a/path0 ++++ b/path1 +@@ -8,7 +8,7 @@ Line 7 + Line 8 + Line 9 + Line 10 +-line 11 ++Line 11 + Line 12 + Line 13 + Line 14 +EOF + +test_expect_success \ + 'validate the output.' \ + 'compare_diff_patch current expected' + +test_expect_success 'favour same basenames over different ones' ' + cp path1 another-path && + git add another-path && + git commit -m 1 && + git rm path1 && + mkdir subdir && + git mv another-path subdir/path1 && + git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"' + +test_expect_success 'favour same basenames even with minor differences' ' + git show HEAD:path1 | sed "s/15/16/" > subdir/path1 && + git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"' + +test_expect_success 'setup for many rename source candidates' ' + git reset --hard && + for i in 0 1 2 3 4 5 6 7 8 9; + do + for j in 0 1 2 3 4 5 6 7 8 9; + do + echo "$i$j" >"path$i$j" + done + done && + git add "path??" && + test_tick && + git commit -m "hundred" && + (cat path1; echo new) >new-path && + echo old >>path1 && + git add new-path path1 && + git diff -l 4 -C -C --cached --name-status >actual 2>actual.err && + sed -e "s/^\([CM]\)[0-9]* /\1 /" actual >actual.munged && + cat >expect <<-EOF && + C path1 new-path + M path1 + EOF + test_cmp expect actual.munged && + grep warning actual.err +' + +test_expect_success 'rename pretty print with nothing in common' ' + mkdir -p a/b/ && + : >a/b/c && + git add a/b/c && + git commit -m "create a/b/c" && + mkdir -p c/b/ && + git mv a/b/c c/b/a && + git commit -m "a/b/c -> c/b/a" && + git diff -M --summary HEAD^ HEAD >output && + test_i18ngrep " a/b/c => c/b/a " output && + git diff -M --stat HEAD^ HEAD >output && + test_i18ngrep " a/b/c => c/b/a " output +' + +test_expect_success 'rename pretty print with common prefix' ' + mkdir -p c/d && + git mv c/b/a c/d/e && + git commit -m "c/b/a -> c/d/e" && + git diff -M --summary HEAD^ HEAD >output && + test_i18ngrep " c/{b/a => d/e} " output && + git diff -M --stat HEAD^ HEAD >output && + test_i18ngrep " c/{b/a => d/e} " output +' + +test_expect_success 'rename pretty print with common suffix' ' + mkdir d && + git mv c/d/e d/e && + git commit -m "c/d/e -> d/e" && + git diff -M --summary HEAD^ HEAD >output && + test_i18ngrep " {c/d => d}/e " output && + git diff -M --stat HEAD^ HEAD >output && + test_i18ngrep " {c/d => d}/e " output +' + +test_expect_success 'rename pretty print with common prefix and suffix' ' + mkdir d/f && + git mv d/e d/f/e && + git commit -m "d/e -> d/f/e" && + git diff -M --summary HEAD^ HEAD >output && + test_i18ngrep " d/{ => f}/e " output && + git diff -M --stat HEAD^ HEAD >output && + test_i18ngrep " d/{ => f}/e " output +' + +test_expect_success 'rename pretty print common prefix and suffix overlap' ' + mkdir d/f/f && + git mv d/f/e d/f/f/e && + git commit -m "d/f/e d/f/f/e" && + git diff -M --summary HEAD^ HEAD >output && + test_i18ngrep " d/f/{ => f}/e " output && + git diff -M --stat HEAD^ HEAD >output && + test_i18ngrep " d/f/{ => f}/e " output +' + +test_done |