summaryrefslogtreecommitdiffstats
path: root/t/t4032-diff-inter-hunk-context.sh
diff options
context:
space:
mode:
Diffstat (limited to '')
-rwxr-xr-xt/t4032-diff-inter-hunk-context.sh118
1 files changed, 118 insertions, 0 deletions
diff --git a/t/t4032-diff-inter-hunk-context.sh b/t/t4032-diff-inter-hunk-context.sh
new file mode 100755
index 0000000..7db92d0
--- /dev/null
+++ b/t/t4032-diff-inter-hunk-context.sh
@@ -0,0 +1,118 @@
+#!/bin/sh
+
+test_description='diff hunk fusing'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+f() {
+ echo $1
+ i=1
+ while test $i -le $2
+ do
+ echo $i
+ i=$(expr $i + 1)
+ done
+ echo $3
+}
+
+t() {
+ use_config=
+ git config --unset diff.interHunkContext
+
+ case $# in
+ 4) hunks=$4; cmd="diff -U$3";;
+ 5) hunks=$5; cmd="diff -U$3 --inter-hunk-context=$4";;
+ 6) hunks=$5; cmd="diff -U$3"; git config diff.interHunkContext $4; use_config="(diff.interHunkContext=$4) ";;
+ esac
+ label="$use_config$cmd, $1 common $2"
+ file=f$1
+ expected=expected.$file.$3.$hunks
+
+ if ! test -f $file
+ then
+ f A $1 B >$file
+ git add $file
+ git commit -q -m. $file
+ f X $1 Y >$file
+ fi
+
+ test_expect_success "$label: count hunks ($hunks)" "
+ test $(git $cmd $file | grep '^@@ ' | wc -l) = $hunks
+ "
+
+ test -f $expected &&
+ test_expect_success "$label: check output" "
+ git $cmd $file | grep -v '^index ' >actual &&
+ test_cmp $expected actual
+ "
+}
+
+cat <<EOF >expected.f1.0.1 || exit 1
+diff --git a/f1 b/f1
+--- a/f1
++++ b/f1
+@@ -1,3 +1,3 @@
+-A
++X
+ 1
+-B
++Y
+EOF
+
+cat <<EOF >expected.f1.0.2 || exit 1
+diff --git a/f1 b/f1
+--- a/f1
++++ b/f1
+@@ -1 +1 @@
+-A
++X
+@@ -3 +3 @@ A
+-B
++Y
+EOF
+
+# common lines ctx intrctx hunks
+t 1 line 0 2
+t 1 line 0 0 2
+t 1 line 0 1 1
+t 1 line 0 2 1
+t 1 line 1 1
+
+t 2 lines 0 2
+t 2 lines 0 0 2
+t 2 lines 0 1 2
+t 2 lines 0 2 1
+t 2 lines 1 1
+
+t 3 lines 1 2
+t 3 lines 1 0 2
+t 3 lines 1 1 1
+t 3 lines 1 2 1
+
+t 9 lines 3 2
+t 9 lines 3 2 2
+t 9 lines 3 3 1
+
+# use diff.interHunkContext?
+t 1 line 0 0 2 config
+t 1 line 0 1 1 config
+t 1 line 0 2 1 config
+t 9 lines 3 3 1 config
+t 2 lines 0 0 2 config
+t 2 lines 0 1 2 config
+t 2 lines 0 2 1 config
+t 3 lines 1 0 2 config
+t 3 lines 1 1 1 config
+t 3 lines 1 2 1 config
+t 9 lines 3 2 2 config
+t 9 lines 3 3 1 config
+
+test_expect_success 'diff.interHunkContext invalid' '
+ git config diff.interHunkContext asdf &&
+ test_must_fail git diff &&
+ git config diff.interHunkContext -1 &&
+ test_must_fail git diff
+'
+
+test_done