diff options
Diffstat (limited to 't/t4045-diff-relative.sh')
| -rwxr-xr-x | t/t4045-diff-relative.sh | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/t/t4045-diff-relative.sh b/t/t4045-diff-relative.sh new file mode 100755 index 0000000..9b46c4c --- /dev/null +++ b/t/t4045-diff-relative.sh @@ -0,0 +1,249 @@ +#!/bin/sh + +test_description='diff --relative tests' + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh + +test_expect_success 'setup' ' + git commit --allow-empty -m empty && + echo content >file1 && + mkdir subdir && + echo other content >subdir/file2 && + blob_file1=$(git hash-object file1) && + blob_file2=$(git hash-object subdir/file2) && + git add . && + git commit -m one +' + +check_diff () { + dir=$1 + shift + expect=$1 + shift + short_blob=$(git rev-parse --short $blob_file2) + cat >expected <<-EOF + diff --git a/$expect b/$expect + new file mode 100644 + index 0000000..$short_blob + --- /dev/null + +++ b/$expect + @@ -0,0 +1 @@ + +other content + EOF + test_expect_success "-p $*" " + git -C '$dir' diff -p $* HEAD^ >actual && + test_cmp expected actual + " +} + +check_numstat () { + dir=$1 + shift + expect=$1 + shift + cat >expected <<-EOF + 1 0 $expect + EOF + test_expect_success "--numstat $*" " + echo '1 0 $expect' >expected && + git -C '$dir' diff --numstat $* HEAD^ >actual && + test_cmp expected actual + " +} + +check_stat () { + dir=$1 + shift + expect=$1 + shift + cat >expected <<-EOF + $expect | 1 + + 1 file changed, 1 insertion(+) + EOF + test_expect_success "--stat $*" " + git -C '$dir' diff --stat $* HEAD^ >actual && + test_cmp expected actual + " +} + +check_raw () { + dir=$1 + shift + expect=$1 + shift + cat >expected <<-EOF + :000000 100644 $ZERO_OID $blob_file2 A $expect + EOF + test_expect_success "--raw $*" " + git -C '$dir' diff --no-abbrev --raw $* HEAD^ >actual && + test_cmp expected actual + " +} + +for type in diff numstat stat raw +do + check_$type . file2 --relative=subdir/ + check_$type . file2 --relative=subdir + check_$type subdir file2 --relative + check_$type . dir/file2 --relative=sub +done + +check_diff_relative_option () { + dir=$1 + shift + expect=$1 + shift + relative_opt=$1 + shift + test_expect_success "config diff.relative $relative_opt -p $*" " + short_blob=\$(git rev-parse --short $blob_file2) && + cat >expected <<-EOF && + diff --git a/$expect b/$expect + new file mode 100644 + index 0000000..\$short_blob + --- /dev/null + +++ b/$expect + @@ -0,0 +1 @@ + +other content + EOF + test_config -C $dir diff.relative $relative_opt && + git -C '$dir' diff -p $* HEAD^ >actual && + test_cmp expected actual + " +} + +check_diff_no_relative_option () { + dir=$1 + shift + expect=$1 + shift + relative_opt=$1 + shift + test_expect_success "config diff.relative $relative_opt -p $*" " + short_blob_file1=\$(git rev-parse --short $blob_file1) && + short_blob_file2=\$(git rev-parse --short $blob_file2) && + cat >expected <<-EOF && + diff --git a/file1 b/file1 + new file mode 100644 + index 0000000..\$short_blob_file1 + --- /dev/null + +++ b/file1 + @@ -0,0 +1 @@ + +content + diff --git a/$expect b/$expect + new file mode 100644 + index 0000000..\$short_blob_file2 + --- /dev/null + +++ b/$expect + @@ -0,0 +1 @@ + +other content + EOF + test_config -C $dir diff.relative $relative_opt && + git -C '$dir' diff -p $* HEAD^ >actual && + test_cmp expected actual + " +} + +check_diff_no_relative_option . subdir/file2 false +check_diff_no_relative_option . subdir/file2 true --no-relative +check_diff_no_relative_option . subdir/file2 false --no-relative +check_diff_no_relative_option subdir subdir/file2 false +check_diff_no_relative_option subdir subdir/file2 true --no-relative +check_diff_no_relative_option subdir subdir/file2 false --no-relative + +check_diff_relative_option . file2 false --relative=subdir/ +check_diff_relative_option . file2 false --relative=subdir +check_diff_relative_option . file2 true --relative=subdir/ +check_diff_relative_option . file2 true --relative=subdir +check_diff_relative_option subdir file2 false --relative +check_diff_relative_option subdir file2 true --relative +check_diff_relative_option subdir file2 true +check_diff_relative_option subdir file2 false --no-relative --relative +check_diff_relative_option subdir file2 true --no-relative --relative +check_diff_relative_option . file2 false --no-relative --relative=subdir +check_diff_relative_option . file2 true --no-relative --relative=subdir + +test_expect_success 'external diff with --relative' ' + test_when_finished "git reset --hard" && + echo changed >file1 && + echo changed >subdir/file2 && + + write_script mydiff <<-\EOF && + # hacky pretend diff; the goal here is just to make sure we got + # passed sensible input that we _could_ diff, without relying on + # the specific output of a system diff tool. + echo "diff a/$1 b/$1" && + echo "--- a/$1" && + echo "+++ b/$1" && + echo "@@ -1 +0,0 @@" && + sed "s/^/-/" "$2" && + sed "s/^/+/" "$5" + EOF + + cat >expect <<-\EOF && + diff a/file2 b/file2 + --- a/file2 + +++ b/file2 + @@ -1 +0,0 @@ + -other content + +changed + EOF + GIT_EXTERNAL_DIFF=./mydiff git diff --relative=subdir >actual && + test_cmp expect actual +' + +test_expect_success 'setup diff --relative unmerged' ' + test_commit zero file0 && + test_commit base subdir/file0 && + git switch -c br1 && + test_commit one file0 && + test_commit sub1 subdir/file0 && + git switch -c br2 base && + test_commit two file0 && + git switch -c br3 && + test_commit sub3 subdir/file0 +' + +test_expect_success 'diff --relative without change in subdir' ' + git switch br2 && + test_when_finished "git merge --abort" && + test_must_fail git merge one && + git -C subdir diff --relative >out && + test_must_be_empty out && + git -C subdir diff --relative --name-only >out && + test_must_be_empty out +' + +test_expect_success 'diff --relative --name-only with change in subdir' ' + git switch br3 && + test_when_finished "git merge --abort" && + test_must_fail git merge sub1 && + test_write_lines file0 file0 >expected && + git -C subdir diff --relative --name-only >out && + test_cmp expected out +' + +test_expect_failure 'diff --relative with change in subdir' ' + git switch br3 && + br1_blob=$(git rev-parse --short --verify br1:subdir/file0) && + br3_blob=$(git rev-parse --short --verify br3:subdir/file0) && + test_when_finished "git merge --abort" && + test_must_fail git merge br1 && + cat >expected <<-EOF && + diff --cc file0 + index $br3_blob,$br1_blob..0000000 + --- a/file0 + +++ b/file0 + @@@ -1,1 -1,1 +1,5 @@@ + ++<<<<<<< HEAD + +sub3 + ++======= + + sub1 + ++>>>>>>> br1 + EOF + git -C subdir diff --relative >out && + test_cmp expected out +' + +test_done |