summaryrefslogtreecommitdiff
path: root/t/t4015-diff-whitespace.sh
diff options
context:
space:
mode:
Diffstat (limited to 't/t4015-diff-whitespace.sh')
-rwxr-xr-xt/t4015-diff-whitespace.sh221
1 files changed, 206 insertions, 15 deletions
diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh
index 2c13b62d3c..f3e20dd5bb 100755
--- a/t/t4015-diff-whitespace.sh
+++ b/t/t4015-diff-whitespace.sh
@@ -6,6 +6,8 @@
test_description='Test special whitespace in diff engine.
'
+
+TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-diff.sh
@@ -843,7 +845,7 @@ test_expect_success 'whitespace changes with modification reported (diffstat)' '
test_expect_success 'whitespace-only changes reported across renames (diffstat)' '
git reset --hard &&
- for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i"; done >x &&
+ for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i" || return 1; done >x &&
git add x &&
git commit -m "base" &&
sed -e "5s/^/ /" x >z &&
@@ -859,7 +861,7 @@ test_expect_success 'whitespace-only changes reported across renames (diffstat)'
test_expect_success 'whitespace-only changes reported across renames' '
git reset --hard HEAD~1 &&
- for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i"; done >x &&
+ for i in 1 2 3 4 5 6 7 8 9; do echo "$i$i$i$i$i$i" || return 1; done >x &&
git add x &&
hash_x=$(git hash-object x) &&
before=$(git rev-parse --short "$hash_x") &&
@@ -1442,6 +1444,143 @@ test_expect_success 'detect permutations inside moved code -- dimmed-zebra' '
test_cmp expected actual
'
+test_expect_success 'zebra alternate color is only used when necessary' '
+ cat >old.txt <<-\EOF &&
+ line 1A should be marked as oldMoved newMovedAlternate
+ line 1B should be marked as oldMoved newMovedAlternate
+ unchanged
+ line 2A should be marked as oldMoved newMovedAlternate
+ line 2B should be marked as oldMoved newMovedAlternate
+ line 3A should be marked as oldMovedAlternate newMoved
+ line 3B should be marked as oldMovedAlternate newMoved
+ unchanged
+ line 4A should be marked as oldMoved newMovedAlternate
+ line 4B should be marked as oldMoved newMovedAlternate
+ line 5A should be marked as oldMovedAlternate newMoved
+ line 5B should be marked as oldMovedAlternate newMoved
+ line 6A should be marked as oldMoved newMoved
+ line 6B should be marked as oldMoved newMoved
+ EOF
+ cat >new.txt <<-\EOF &&
+ line 1A should be marked as oldMoved newMovedAlternate
+ line 1B should be marked as oldMoved newMovedAlternate
+ unchanged
+ line 3A should be marked as oldMovedAlternate newMoved
+ line 3B should be marked as oldMovedAlternate newMoved
+ line 2A should be marked as oldMoved newMovedAlternate
+ line 2B should be marked as oldMoved newMovedAlternate
+ unchanged
+ line 6A should be marked as oldMoved newMoved
+ line 6B should be marked as oldMoved newMoved
+ line 4A should be marked as oldMoved newMovedAlternate
+ line 4B should be marked as oldMoved newMovedAlternate
+ line 5A should be marked as oldMovedAlternate newMoved
+ line 5B should be marked as oldMovedAlternate newMoved
+ EOF
+ test_expect_code 1 git diff --no-index --color --color-moved=zebra \
+ --color-moved-ws=allow-indentation-change \
+ old.txt new.txt >output &&
+ grep -v index output | test_decode_color >actual &&
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/old.txt b/new.txt<RESET>
+ <BOLD>--- a/old.txt<RESET>
+ <BOLD>+++ b/new.txt<RESET>
+ <CYAN>@@ -1,14 +1,14 @@<RESET>
+ <BOLD;MAGENTA>-line 1A should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;MAGENTA>-line 1B should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 1A should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 1B should be marked as oldMoved newMovedAlternate<RESET>
+ unchanged<RESET>
+ <BOLD;MAGENTA>-line 2A should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;MAGENTA>-line 2B should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;BLUE>-line 3A should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;BLUE>-line 3B should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 3A should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 3B should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;YELLOW>+<RESET><BOLD;YELLOW> line 2A should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;YELLOW>+<RESET><BOLD;YELLOW> line 2B should be marked as oldMoved newMovedAlternate<RESET>
+ unchanged<RESET>
+ <BOLD;MAGENTA>-line 4A should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;MAGENTA>-line 4B should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;BLUE>-line 5A should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;BLUE>-line 5B should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;MAGENTA>-line 6A should be marked as oldMoved newMoved<RESET>
+ <BOLD;MAGENTA>-line 6B should be marked as oldMoved newMoved<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 6A should be marked as oldMoved newMoved<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 6B should be marked as oldMoved newMoved<RESET>
+ <BOLD;YELLOW>+<RESET><BOLD;YELLOW> line 4A should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;YELLOW>+<RESET><BOLD;YELLOW> line 4B should be marked as oldMoved newMovedAlternate<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 5A should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN> line 5B should be marked as oldMovedAlternate newMoved<RESET>
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'short lines of opposite sign do not get marked as moved' '
+ cat >old.txt <<-\EOF &&
+ this line should be marked as moved
+ unchanged
+ unchanged
+ unchanged
+ unchanged
+ too short
+ this line should be marked as oldMoved newMoved
+ this line should be marked as oldMovedAlternate newMoved
+ unchanged 1
+ unchanged 2
+ unchanged 3
+ unchanged 4
+ this line should be marked as oldMoved newMoved/newMovedAlternate
+ EOF
+ cat >new.txt <<-\EOF &&
+ too short
+ unchanged
+ unchanged
+ this line should be marked as moved
+ too short
+ unchanged
+ unchanged
+ this line should be marked as oldMoved newMoved/newMovedAlternate
+ unchanged 1
+ unchanged 2
+ this line should be marked as oldMovedAlternate newMoved
+ this line should be marked as oldMoved newMoved/newMovedAlternate
+ unchanged 3
+ this line should be marked as oldMoved newMoved
+ unchanged 4
+ EOF
+ test_expect_code 1 git diff --no-index --color --color-moved=zebra \
+ old.txt new.txt >output && cat output &&
+ grep -v index output | test_decode_color >actual &&
+ cat >expect <<-\EOF &&
+ <BOLD>diff --git a/old.txt b/new.txt<RESET>
+ <BOLD>--- a/old.txt<RESET>
+ <BOLD>+++ b/new.txt<RESET>
+ <CYAN>@@ -1,13 +1,15 @@<RESET>
+ <BOLD;MAGENTA>-this line should be marked as moved<RESET>
+ <GREEN>+<RESET><GREEN>too short<RESET>
+ unchanged<RESET>
+ unchanged<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>this line should be marked as moved<RESET>
+ <GREEN>+<RESET><GREEN>too short<RESET>
+ unchanged<RESET>
+ unchanged<RESET>
+ <RED>-too short<RESET>
+ <BOLD;MAGENTA>-this line should be marked as oldMoved newMoved<RESET>
+ <BOLD;BLUE>-this line should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>this line should be marked as oldMoved newMoved/newMovedAlternate<RESET>
+ unchanged 1<RESET>
+ unchanged 2<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>this line should be marked as oldMovedAlternate newMoved<RESET>
+ <BOLD;YELLOW>+<RESET><BOLD;YELLOW>this line should be marked as oldMoved newMoved/newMovedAlternate<RESET>
+ unchanged 3<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>this line should be marked as oldMoved newMoved<RESET>
+ unchanged 4<RESET>
+ <BOLD;MAGENTA>-this line should be marked as oldMoved newMoved/newMovedAlternate<RESET>
+ EOF
+ test_cmp expect actual
+'
+
test_expect_success 'cmd option assumes configured colored-moved' '
test_config color.diff.oldMoved "magenta" &&
test_config color.diff.newMoved "cyan" &&
@@ -1485,7 +1624,7 @@ test_expect_success 'cmd option assumes configured colored-moved' '
test_cmp expected actual
'
-test_expect_success 'no effect from --color-moved with --word-diff' '
+test_expect_success 'no effect on diff from --color-moved with --word-diff' '
cat <<-\EOF >text.txt &&
Lorem Ipsum is simply dummy text of the printing and typesetting industry.
EOF
@@ -1499,6 +1638,12 @@ test_expect_success 'no effect from --color-moved with --word-diff' '
test_cmp expect actual
'
+test_expect_success !SANITIZE_LEAK 'no effect on show from --color-moved with --word-diff' '
+ git show --color-moved --word-diff >actual &&
+ git show --word-diff >expect &&
+ test_cmp expect actual
+'
+
test_expect_success 'set up whitespace tests' '
git reset --hard &&
# Note that these lines have no leading or trailing whitespace.
@@ -1833,7 +1978,53 @@ test_expect_success '--color-moved treats adjacent blocks as separate for MIN_AL
test_cmp expected actual
'
-test_expect_success 'move detection with submodules' '
+test_expect_success '--color-moved rewinds for MIN_ALNUM_COUNT' '
+ git reset --hard &&
+ test_write_lines >file \
+ A B C one two three four five six seven D E F G H I J &&
+ git add file &&
+ test_write_lines >file \
+ one two A B C D E F G H I J two three four five six seven &&
+ git diff --color-moved=zebra -- file &&
+
+ git diff --color-moved=zebra --color -- file >actual.raw &&
+ grep -v "index" actual.raw | test_decode_color >actual &&
+ cat >expected <<-\EOF &&
+ <BOLD>diff --git a/file b/file<RESET>
+ <BOLD>--- a/file<RESET>
+ <BOLD>+++ b/file<RESET>
+ <CYAN>@@ -1,13 +1,8 @@<RESET>
+ <GREEN>+<RESET><GREEN>one<RESET>
+ <GREEN>+<RESET><GREEN>two<RESET>
+ A<RESET>
+ B<RESET>
+ C<RESET>
+ <RED>-one<RESET>
+ <BOLD;MAGENTA>-two<RESET>
+ <BOLD;MAGENTA>-three<RESET>
+ <BOLD;MAGENTA>-four<RESET>
+ <BOLD;MAGENTA>-five<RESET>
+ <BOLD;MAGENTA>-six<RESET>
+ <BOLD;MAGENTA>-seven<RESET>
+ D<RESET>
+ E<RESET>
+ F<RESET>
+ <CYAN>@@ -15,3 +10,9 @@<RESET> <RESET>G<RESET>
+ H<RESET>
+ I<RESET>
+ J<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>two<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>three<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>four<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>five<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>six<RESET>
+ <BOLD;CYAN>+<RESET><BOLD;CYAN>seven<RESET>
+ EOF
+
+ test_cmp expected actual
+'
+
+test_expect_success !SANITIZE_LEAK 'move detection with submodules' '
test_create_repo bananas &&
echo ripe >bananas/recipe &&
git -C bananas add recipe &&
@@ -2023,10 +2214,10 @@ EMPTY=''
test_expect_success 'compare mixed whitespace delta across moved blocks' '
git reset --hard &&
- tr Q_ "\t " <<-EOF >text.txt &&
- ${EMPTY}
- ____too short without
- ${EMPTY}
+ tr "^|Q_" "\f\v\t " <<-EOF >text.txt &&
+ ^__
+ |____too short without
+ ^
___being grouped across blank line
${EMPTY}
context
@@ -2045,7 +2236,7 @@ test_expect_success 'compare mixed whitespace delta across moved blocks' '
git add text.txt &&
git commit -m "add text.txt" &&
- tr Q_ "\t " <<-EOF >text.txt &&
+ tr "^|Q_" "\f\v\t " <<-EOF >text.txt &&
context
lines
to
@@ -2056,7 +2247,7 @@ test_expect_success 'compare mixed whitespace delta across moved blocks' '
${EMPTY}
QQtoo short without
${EMPTY}
- Q_______being grouped across blank line
+ ^Q_______being grouped across blank line
${EMPTY}
Q_QThese two lines have had their
indentation reduced by four spaces
@@ -2068,16 +2259,16 @@ test_expect_success 'compare mixed whitespace delta across moved blocks' '
-c core.whitespace=space-before-tab \
diff --color --color-moved --ws-error-highlight=all \
--color-moved-ws=allow-indentation-change >actual.raw &&
- grep -v "index" actual.raw | test_decode_color >actual &&
+ grep -v "index" actual.raw | tr "\f\v" "^|" | test_decode_color >actual &&
cat <<-\EOF >expected &&
<BOLD>diff --git a/text.txt b/text.txt<RESET>
<BOLD>--- a/text.txt<RESET>
<BOLD>+++ b/text.txt<RESET>
<CYAN>@@ -1,16 +1,16 @@<RESET>
- <BOLD;MAGENTA>-<RESET>
- <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA> too short without<RESET>
- <BOLD;MAGENTA>-<RESET>
+ <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA>^<RESET><BRED> <RESET>
+ <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA>| too short without<RESET>
+ <BOLD;MAGENTA>-<RESET><BOLD;MAGENTA>^<RESET>
<BOLD;MAGENTA>-<RESET><BOLD;MAGENTA> being grouped across blank line<RESET>
<BOLD;MAGENTA>-<RESET>
<RESET>context<RESET>
@@ -2097,7 +2288,7 @@ test_expect_success 'compare mixed whitespace delta across moved blocks' '
<BOLD;YELLOW>+<RESET>
<BOLD;YELLOW>+<RESET> <BOLD;YELLOW>too short without<RESET>
<BOLD;YELLOW>+<RESET>
- <BOLD;YELLOW>+<RESET> <BOLD;YELLOW> being grouped across blank line<RESET>
+ <BOLD;YELLOW>+<RESET><BOLD;YELLOW>^ being grouped across blank line<RESET>
<BOLD;YELLOW>+<RESET>
<BOLD;CYAN>+<RESET> <BRED> <RESET> <BOLD;CYAN>These two lines have had their<RESET>
<BOLD;CYAN>+<RESET><BOLD;CYAN>indentation reduced by four spaces<RESET>