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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:47:53 +0000
commitc8bae7493d2f2910b57f13ded012e86bdcfb0532 (patch)
tree24e09d9f84dec336720cf393e156089ca2835791 /t/t4012-diff-binary.sh
parentInitial commit. (diff)
downloadgit-upstream/1%2.39.2.tar.xz
git-upstream/1%2.39.2.zip
Adding upstream version 1:2.39.2.upstream/1%2.39.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 't/t4012-diff-binary.sh')
-rwxr-xr-xt/t4012-diff-binary.sh134
1 files changed, 134 insertions, 0 deletions
diff --git a/t/t4012-diff-binary.sh b/t/t4012-diff-binary.sh
new file mode 100755
index 0000000..c64d9d2
--- /dev/null
+++ b/t/t4012-diff-binary.sh
@@ -0,0 +1,134 @@
+#!/bin/sh
+#
+# Copyright (c) 2006 Junio C Hamano
+#
+
+test_description='Binary diff and apply
+'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+cat >expect.binary-numstat <<\EOF
+1 1 a
+- - b
+1 1 c
+- - d
+EOF
+
+test_expect_success 'prepare repository' '
+ echo AIT >a && echo BIT >b && echo CIT >c && echo DIT >d &&
+ git update-index --add a b c d &&
+ echo git >a &&
+ cat "$TEST_DIRECTORY"/test-binary-1.png >b &&
+ echo git >c &&
+ cat b b >d
+'
+
+cat > expected <<\EOF
+ a | 2 +-
+ b | Bin
+ c | 2 +-
+ d | Bin
+ 4 files changed, 2 insertions(+), 2 deletions(-)
+EOF
+test_expect_success 'apply --stat output for binary file change' '
+ git diff >diff &&
+ git apply --stat --summary <diff >current &&
+ test_cmp expected current
+'
+
+test_expect_success 'diff --shortstat output for binary file change' '
+ tail -n 1 expected >expect &&
+ git diff --shortstat >current &&
+ test_cmp expect current
+'
+
+test_expect_success 'diff --shortstat output for binary file change only' '
+ echo " 1 file changed, 0 insertions(+), 0 deletions(-)" >expected &&
+ git diff --shortstat -- b >current &&
+ test_cmp expected current
+'
+
+test_expect_success 'apply --numstat notices binary file change' '
+ git diff >diff &&
+ git apply --numstat <diff >current &&
+ test_cmp expect.binary-numstat current
+'
+
+test_expect_success 'apply --numstat understands diff --binary format' '
+ git diff --binary >diff &&
+ git apply --numstat <diff >current &&
+ test_cmp expect.binary-numstat current
+'
+
+# apply needs to be able to skip the binary material correctly
+# in order to report the line number of a corrupt patch.
+test_expect_success 'apply detecting corrupt patch correctly' '
+ git diff >output &&
+ sed -e "s/-CIT/xCIT/" <output >broken &&
+ test_must_fail git apply --stat --summary broken 2>detected &&
+ detected=$(cat detected) &&
+ detected=$(expr "$detected" : "error.*at line \\([0-9]*\\)\$") &&
+ detected=$(sed -ne "${detected}p" broken) &&
+ test "$detected" = xCIT
+'
+
+test_expect_success 'apply detecting corrupt patch correctly' '
+ git diff --binary | sed -e "s/-CIT/xCIT/" >broken &&
+ test_must_fail git apply --stat --summary broken 2>detected &&
+ detected=$(cat detected) &&
+ detected=$(expr "$detected" : "error.*at line \\([0-9]*\\)\$") &&
+ detected=$(sed -ne "${detected}p" broken) &&
+ test "$detected" = xCIT
+'
+
+test_expect_success 'initial commit' 'git commit -a -m initial'
+
+# Try removal (b), modification (d), and creation (e).
+test_expect_success 'diff-index with --binary' '
+ echo AIT >a && mv b e && echo CIT >c && cat e >d &&
+ git update-index --add --remove a b c d e &&
+ tree0=$(git write-tree) &&
+ git diff --cached --binary >current &&
+ git apply --stat --summary current
+'
+
+test_expect_success 'apply binary patch' '
+ git reset --hard &&
+ git apply --binary --index <current &&
+ tree1=$(git write-tree) &&
+ test "$tree1" = "$tree0"
+'
+
+test_expect_success 'diff --no-index with binary creation' '
+ echo Q | q_to_nul >binary &&
+ # hide error code from diff, which just indicates differences
+ test_might_fail git diff --binary --no-index /dev/null binary >current &&
+ rm binary &&
+ git apply --binary <current &&
+ echo Q >expected &&
+ nul_to_q <binary >actual &&
+ test_cmp expected actual
+'
+
+cat >expect <<EOF
+ binfilë | Bin 0 -> 1026 bytes
+ tëxtfilë | 10000 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+EOF
+
+test_expect_success 'diff --stat with binary files and big change count' '
+ printf "\01\00%1024d" 1 >binfilë &&
+ git add binfilë &&
+ i=0 &&
+ while test $i -lt 10000; do
+ echo $i &&
+ i=$(($i + 1)) || return 1
+ done >tëxtfilë &&
+ git add tëxtfilë &&
+ git -c core.quotepath=false diff --cached --stat binfilë tëxtfilë >output &&
+ grep " | " output >actual &&
+ test_cmp expect actual
+'
+
+test_done