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Diffstat (limited to 't/t4061-diff-indent.sh')
| -rwxr-xr-x | t/t4061-diff-indent.sh | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/t/t4061-diff-indent.sh b/t/t4061-diff-indent.sh new file mode 100755 index 000000000..556450609 --- /dev/null +++ b/t/t4061-diff-indent.sh @@ -0,0 +1,216 @@ +#!/bin/sh + +test_description='Test diff indent heuristic. + +' +. ./test-lib.sh +. "$TEST_DIRECTORY"/diff-lib.sh + +# Compare two diff outputs. Ignore "index" lines, because we don't +# care about SHA-1s or file modes. +compare_diff () { + sed -e "/^index /d" <"$1" >.tmp-1 + sed -e "/^index /d" <"$2" >.tmp-2 + test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 +} + +# Compare blame output using the expectation for a diff as reference. +# Only look for the lines coming from non-boundary commits. +compare_blame () { + sed -n -e "1,4d" -e "s/^\+//p" <"$1" >.tmp-1 + sed -ne "s/^[^^][^)]*) *//p" <"$2" >.tmp-2 + test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2 +} + +test_expect_success 'prepare' ' + cat <<-\EOF >spaces.txt && + 1 + 2 + a + + b + 3 + 4 + EOF + + cat <<-\EOF >functions.c && + 1 + 2 + /* function */ + foo() { + foo + } + + 3 + 4 + EOF + + git add spaces.txt functions.c && + test_tick && + git commit -m initial && + git branch old && + + cat <<-\EOF >spaces.txt && + 1 + 2 + a + + b + a + + b + 3 + 4 + EOF + + cat <<-\EOF >functions.c && + 1 + 2 + /* function */ + bar() { + foo + } + + /* function */ + foo() { + foo + } + + 3 + 4 + EOF + + git add spaces.txt functions.c && + test_tick && + git commit -m initial && + git branch new && + + tr "_" " " <<-\EOF >spaces-expect && + diff --git a/spaces.txt b/spaces.txt + --- a/spaces.txt + +++ b/spaces.txt + @@ -3,5 +3,8 @@ + a + _ + b + +a + + + +b + 3 + 4 + EOF + + tr "_" " " <<-\EOF >spaces-compacted-expect && + diff --git a/spaces.txt b/spaces.txt + --- a/spaces.txt + +++ b/spaces.txt + @@ -2,6 +2,9 @@ + 2 + a + _ + +b + +a + + + b + 3 + 4 + EOF + + tr "_" " " <<-\EOF >functions-expect && + diff --git a/functions.c b/functions.c + --- a/functions.c + +++ b/functions.c + @@ -1,6 +1,11 @@ + 1 + 2 + /* function */ + +bar() { + + foo + +} + + + +/* function */ + foo() { + foo + } + EOF + + tr "_" " " <<-\EOF >functions-compacted-expect + diff --git a/functions.c b/functions.c + --- a/functions.c + +++ b/functions.c + @@ -1,5 +1,10 @@ + 1 + 2 + +/* function */ + +bar() { + + foo + +} + + + /* function */ + foo() { + foo + EOF +' + +test_expect_success 'diff: ugly spaces' ' + git diff old new -- spaces.txt >out && + compare_diff spaces-expect out +' + +test_expect_success 'diff: nice spaces with --indent-heuristic' ' + git diff --indent-heuristic old new -- spaces.txt >out-compacted && + compare_diff spaces-compacted-expect out-compacted +' + +test_expect_success 'diff: nice spaces with diff.indentHeuristic' ' + git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 && + compare_diff spaces-compacted-expect out-compacted2 +' + +test_expect_success 'diff: --no-indent-heuristic overrides config' ' + git -c diff.indentHeuristic=true diff --no-indent-heuristic old new -- spaces.txt >out2 && + compare_diff spaces-expect out2 +' + +test_expect_success 'diff: --indent-heuristic with --patience' ' + git diff --indent-heuristic --patience old new -- spaces.txt >out-compacted3 && + compare_diff spaces-compacted-expect out-compacted3 +' + +test_expect_success 'diff: --indent-heuristic with --histogram' ' + git diff --indent-heuristic --histogram old new -- spaces.txt >out-compacted4 && + compare_diff spaces-compacted-expect out-compacted4 +' + +test_expect_success 'diff: ugly functions' ' + git diff old new -- functions.c >out && + compare_diff functions-expect out +' + +test_expect_success 'diff: nice functions with --indent-heuristic' ' + git diff --indent-heuristic old new -- functions.c >out-compacted && + compare_diff functions-compacted-expect out-compacted +' + +test_expect_success 'blame: ugly spaces' ' + git blame old..new -- spaces.txt >out-blame && + compare_blame spaces-expect out-blame +' + +test_expect_success 'blame: nice spaces with --indent-heuristic' ' + git blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted && + compare_blame spaces-compacted-expect out-blame-compacted +' + +test_expect_success 'blame: nice spaces with diff.indentHeuristic' ' + git -c diff.indentHeuristic=true blame old..new -- spaces.txt >out-blame-compacted2 && + compare_blame spaces-compacted-expect out-blame-compacted2 +' + +test_expect_success 'blame: --no-indent-heuristic overrides config' ' + git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame2 && + git blame old..new -- spaces.txt >out-blame && + compare_blame spaces-expect out-blame2 +' + +test_done |