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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/t4107-apply-ignore-whitespace.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/t4107-apply-ignore-whitespace.sh')
-rwxr-xr-xt/t4107-apply-ignore-whitespace.sh195
1 files changed, 195 insertions, 0 deletions
diff --git a/t/t4107-apply-ignore-whitespace.sh b/t/t4107-apply-ignore-whitespace.sh
new file mode 100755
index 0000000..ac72eea
--- /dev/null
+++ b/t/t4107-apply-ignore-whitespace.sh
@@ -0,0 +1,195 @@
+#!/bin/sh
+#
+# Copyright (c) 2009 Giuseppe Bilotta
+#
+
+test_description='git-apply --ignore-whitespace.
+
+'
+. ./test-lib.sh
+
+# This primes main.c file that indents without using HT at all.
+# Various patches with HT and other spaces are attempted in the test.
+
+cat > patch1.patch <<\EOF
+diff --git a/main.c b/main.c
+new file mode 100644
+--- /dev/null
++++ b/main.c
+@@ -0,0 +1,22 @@
++#include <stdio.h>
++
++void print_int(int num);
++int func(int num);
++
++int main() {
++ int i;
++
++ for (i = 0; i < 10; i++) {
++ print_int(func(i)); /* stuff */
++ }
++
++ return 0;
++}
++
++int func(int num) {
++ return num * num;
++}
++
++void print_int(int num) {
++ printf("%d", num);
++}
+EOF
+
+# Since whitespace is very significant and we want to prevent whitespace
+# mangling when creating this test from a patch, we protect 'fixable'
+# whitespace by replacing spaces with Z and replacing them at patch
+# creation time, hence the sed trick.
+
+# This patch will fail unless whitespace differences are being ignored
+
+sed -e 's/Z/ /g' > patch2.patch <<\EOF
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -10,6 +10,8 @@
+Z print_int(func(i)); /* stuff */
+Z }
+Z
++ printf("\n");
++
+Z return 0;
+Z}
+Z
+EOF
+
+# This patch will fail even if whitespace differences are being ignored,
+# because of the missing string at EOL. TODO: this testcase should be
+# improved by creating a line that has the same hash with and without
+# the final string.
+
+sed -e 's/Z/ /g' > patch3.patch <<\EOF
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -10,3 +10,4 @@
+Z for (i = 0; i < 10; i++) {
+Z print_int(func(i));Z
++ /* stuff */
+Z }
+EOF
+
+# This patch will fail even if whitespace differences are being ignored,
+# because of the missing EOL at EOF.
+
+sed -e 's/Z/ /g' > patch4.patch <<\EOF
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -21,1 +21,1 @@
+- };Z
+\ No newline at end of file
++ };
+EOF
+
+# This patch will fail unless whitespace differences are being ignored.
+
+sed -e 's/Z/ /g' > patch5.patch <<\EOF
+diff --git a/main.c b/main.c
+--- a/main.c
++++ b/main.c
+@@ -2,2 +2,3 @@
+Z void print_int(int num);
++ /* a comment */
+Z int func(int num);
+EOF
+
+# And this is how the final output should be. Patches introduce
+# HTs but the original SP indents are mostly kept.
+
+sed -e 's/T/ /g' > main.c.final <<\EOF
+#include <stdio.h>
+
+void print_int(int num);
+int func(int num);
+
+int main() {
+ int i;
+
+ for (i = 0; i < 10; i++) {
+ print_int(func(i)); /* stuff */
+ }
+
+Tprintf("\n");
+
+ return 0;
+}
+
+int func(int num) {
+ return num * num;
+}
+
+void print_int(int num) {
+ printf("%d", num);
+}
+EOF
+
+test_expect_success 'file creation' '
+ git apply patch1.patch
+'
+
+test_expect_success 'patch2 fails (retab)' '
+ test_must_fail git apply patch2.patch
+'
+
+test_expect_success 'patch2 applies with --ignore-whitespace' '
+ git apply --ignore-whitespace patch2.patch
+'
+
+test_expect_success 'patch2 reverse applies with --ignore-space-change' '
+ git apply -R --ignore-space-change patch2.patch
+'
+
+git config apply.ignorewhitespace change
+
+test_expect_success 'patch2 applies (apply.ignorewhitespace = change)' '
+ git apply patch2.patch &&
+ test_cmp main.c.final main.c
+'
+
+test_expect_success 'patch3 fails (missing string at EOL)' '
+ test_must_fail git apply patch3.patch
+'
+
+test_expect_success 'patch4 fails (missing EOL at EOF)' '
+ test_must_fail git apply patch4.patch
+'
+
+test_expect_success 'patch5 fails (leading whitespace differences matter)' '
+ test_must_fail git apply patch5.patch
+'
+
+test_expect_success 're-create file (with --ignore-whitespace)' '
+ rm -f main.c &&
+ git apply patch1.patch
+'
+
+test_expect_success 'patch5 fails (--no-ignore-whitespace)' '
+ test_must_fail git apply --no-ignore-whitespace patch5.patch
+'
+
+test_expect_success 'apply --ignore-space-change --inaccurate-eof' '
+ echo 1 >file &&
+ git apply --ignore-space-change --inaccurate-eof <<-\EOF &&
+ diff --git a/file b/file
+ --- a/file
+ +++ b/file
+ @@ -1 +1 @@
+ -1
+ +2
+ EOF
+ printf 2 >expect &&
+ test_cmp expect file
+'
+
+test_done