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-rwxr-xr-xt/t4038-diff-combined.sh240
1 files changed, 240 insertions, 0 deletions
diff --git a/t/t4038-diff-combined.sh b/t/t4038-diff-combined.sh
index 614425adac..1261dbbdf5 100755
--- a/t/t4038-diff-combined.sh
+++ b/t/t4038-diff-combined.sh
@@ -3,6 +3,7 @@
test_description='combined diff'
. ./test-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
setup_helper () {
one=$1 branch=$2 side=$3 &&
@@ -113,4 +114,243 @@ test_expect_success 'check --cc --raw with forty trees' '
grep "^::::::::::::::::::::::::::::::::::::::::[^:]" out
'
+test_expect_success 'setup combined ignore spaces' '
+ git checkout master &&
+ >test &&
+ git add test &&
+ git commit -m initial &&
+
+ tr -d Q <<-\EOF >test &&
+ always coalesce
+ eol space coalesce Q
+ space change coalesce
+ all spa ces coalesce
+ eol spaces Q
+ space change
+ all spa ces
+ EOF
+ git commit -m "test space change" -a &&
+
+ git checkout -b side HEAD^ &&
+ tr -d Q <<-\EOF >test &&
+ always coalesce
+ eol space coalesce
+ space change coalesce
+ all spaces coalesce
+ eol spaces
+ space change
+ all spaces
+ EOF
+ git commit -m "test other space changes" -a &&
+
+ test_must_fail git merge master &&
+ tr -d Q <<-\EOF >test &&
+ eol spaces Q
+ space change
+ all spa ces
+ EOF
+ git commit -m merged -a
+'
+
+test_expect_success 'check combined output (no ignore space)' '
+ git show >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ --always coalesce
+ - eol space coalesce
+ - space change coalesce
+ - all spaces coalesce
+ - eol spaces
+ - space change
+ - all spaces
+ -eol space coalesce Q
+ -space change coalesce
+ -all spa ces coalesce
+ + eol spaces Q
+ + space change
+ + all spa ces
+ EOF
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'check combined output (ignore space at eol)' '
+ git show --ignore-space-at-eol >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ --always coalesce
+ --eol space coalesce
+ - space change coalesce
+ - all spaces coalesce
+ -space change coalesce
+ -all spa ces coalesce
+ eol spaces Q
+ - space change
+ - all spaces
+ + space change
+ + all spa ces
+ EOF
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'check combined output (ignore space change)' '
+ git show -b >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ --always coalesce
+ --eol space coalesce
+ --space change coalesce
+ - all spaces coalesce
+ -all spa ces coalesce
+ eol spaces Q
+ space change
+ - all spaces
+ + all spa ces
+ EOF
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'check combined output (ignore all spaces)' '
+ git show -w >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ --always coalesce
+ --eol space coalesce
+ --space change coalesce
+ --all spaces coalesce
+ eol spaces Q
+ space change
+ all spa ces
+ EOF
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'combine diff coalesce simple' '
+ >test &&
+ git add test &&
+ git commit -m initial &&
+ test_seq 4 >test &&
+ git commit -a -m empty1 &&
+ git branch side1 &&
+ git checkout HEAD^ &&
+ test_seq 5 >test &&
+ git commit -a -m empty2 &&
+ test_must_fail git merge side1 &&
+ >test &&
+ git commit -a -m merge &&
+ git show >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ --1
+ --2
+ --3
+ --4
+ - 5
+ EOF
+ compare_diff_patch expected actual
+'
+
+test_expect_success 'combine diff coalesce tricky' '
+ >test &&
+ git add test &&
+ git commit -m initial --allow-empty &&
+ cat <<-\EOF >test &&
+ 3
+ 1
+ 2
+ 3
+ 4
+ EOF
+ git commit -a -m empty1 &&
+ git branch -f side1 &&
+ git checkout HEAD^ &&
+ cat <<-\EOF >test &&
+ 1
+ 3
+ 5
+ 4
+ EOF
+ git commit -a -m empty2 &&
+ git branch -f side2 &&
+ test_must_fail git merge side1 &&
+ >test &&
+ git commit -a -m merge &&
+ git show >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ -3
+ --1
+ -2
+ --3
+ - 5
+ --4
+ EOF
+ compare_diff_patch expected actual &&
+ git checkout -f side1 &&
+ test_must_fail git merge side2 &&
+ >test &&
+ git commit -a -m merge &&
+ git show >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ - 3
+ --1
+ - 2
+ --3
+ -5
+ --4
+ EOF
+ compare_diff_patch expected actual
+'
+
+test_expect_failure 'combine diff coalesce three parents' '
+ >test &&
+ git add test &&
+ git commit -m initial --allow-empty &&
+ cat <<-\EOF >test &&
+ 3
+ 1
+ 2
+ 3
+ 4
+ EOF
+ git commit -a -m empty1 &&
+ git checkout -B side1 &&
+ git checkout HEAD^ &&
+ cat <<-\EOF >test &&
+ 1
+ 3
+ 7
+ 5
+ 4
+ EOF
+ git commit -a -m empty2 &&
+ git branch -f side2 &&
+ git checkout HEAD^ &&
+ cat <<-\EOF >test &&
+ 3
+ 1
+ 6
+ 5
+ 4
+ EOF
+ git commit -a -m empty3 &&
+ >test &&
+ git add test &&
+ TREE=$(git write-tree) &&
+ COMMIT=$(git commit-tree -p HEAD -p side1 -p side2 -m merge $TREE) &&
+ git show $COMMIT >actual.tmp &&
+ sed -e "1,/^@@@/d" < actual.tmp >actual &&
+ tr -d Q <<-\EOF >expected &&
+ -- 3
+ ---1
+ - 6
+ - 2
+ --3
+ -7
+ - -5
+ ---4
+ EOF
+ compare_diff_patch expected actual
+'
+
test_done