linux-kernel - [PATCH v2 1/3] binderfs: port tests to test harness infrastructure

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Message-Id: <20200313152420.138777-1-christian.brauner@ubuntu.com>
Date:   Fri, 13 Mar 2020 16:24:18 +0100
From:   Christian Brauner <christian.brauner@...ntu.com>
To:     gregkh@...uxfoundation.org, tkjos@...roid.com,
        keescook@...omium.org, linux-kernel@...r.kernel.org
Cc:     christian.brauner@...ntu.com, ard.biesheuvel@...aro.org,
        ardb@...nel.org, arve@...roid.com, hridya@...gle.com,
        joel@...lfernandes.org, john.stultz@...aro.org,
        kernel-team@...roid.com, linux-kselftest@...r.kernel.org,
        maco@...roid.com, naresh.kamboju@...aro.org, shuah@...nel.org
Subject: [PATCH v2 1/3] binderfs: port tests to test harness infrastructure

Makes for nicer output and prepares for additional tests.

Cc: Kees Cook <keescook@...omium.org>:
Signed-off-by: Christian Brauner <christian.brauner@...ntu.com>
---
/* v2 */
- Kees Cook <keescook@...omium.org>:
  - Switch to XFAIL() to skip tests.
---
 .../selftests/filesystems/binderfs/Makefile   |  2 ++
 .../filesystems/binderfs/binderfs_test.c      | 31 +++++++++----------
 2 files changed, 17 insertions(+), 16 deletions(-)

diff --git a/tools/testing/selftests/filesystems/binderfs/Makefile b/tools/testing/selftests/filesystems/binderfs/Makefile
index 58cb659b56b4..75315d9ba7a9 100644
--- a/tools/testing/selftests/filesystems/binderfs/Makefile
+++ b/tools/testing/selftests/filesystems/binderfs/Makefile
@@ -3,4 +3,6 @@
 CFLAGS += -I../../../../../usr/include/
 TEST_GEN_PROGS := binderfs_test
 
+binderfs_test: binderfs_test.c ../../kselftest.h ../../kselftest_harness.h
+
 include ../../lib.mk
diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
index 8c2ed962e1c7..0cfca65e095a 100644
--- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
+++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
@@ -15,7 +15,9 @@
 #include <unistd.h>
 #include <linux/android/binder.h>
 #include <linux/android/binderfs.h>
+
 #include "../../kselftest.h"
+#include "../../kselftest_harness.h"
 
 static ssize_t write_nointr(int fd, const void *buf, size_t count)
 {
@@ -132,7 +134,7 @@ static void rmdir_protect_errno(const char *dir)
 	errno = saved_errno;
 }
 
-static void __do_binderfs_test(void)
+static int __do_binderfs_test(void)
 {
 	int fd, ret, saved_errno;
 	size_t len;
@@ -160,8 +162,7 @@ static void __do_binderfs_test(void)
 					   strerror(errno));
 
 		keep ? : rmdir_protect_errno("/dev/binderfs");
-		ksft_exit_skip(
-			"The Android binderfs filesystem is not available\n");
+		return 1;
 	}
 
 	/* binderfs mount test passed */
@@ -250,26 +251,24 @@ static void __do_binderfs_test(void)
 
 	/* binderfs unmount test passed */
 	ksft_inc_pass_cnt();
+	return 0;
 }
 
-static void binderfs_test_privileged()
+TEST(binderfs_test_privileged)
 {
 	if (geteuid() != 0)
-		ksft_print_msg(
-			"Tests are not run as root. Skipping privileged tests\n");
-	else
-		__do_binderfs_test();
+		XFAIL(return, "Tests are not run as root. Skipping privileged tests");
+
+	if (__do_binderfs_test() == 1)
+		XFAIL(return, "The Android binderfs filesystem is not available");
 }
 
-static void binderfs_test_unprivileged()
+TEST(binderfs_test_unprivileged)
 {
 	change_to_userns();
-	__do_binderfs_test();
-}
 
-int main(int argc, char *argv[])
-{
-	binderfs_test_privileged();
-	binderfs_test_unprivileged();
-	ksft_exit_pass();
+	if (__do_binderfs_test() == 1)
+		XFAIL(return, "The Android binderfs filesystem is not available");
 }
+
+TEST_HARNESS_MAIN

base-commit: 2c523b344dfa65a3738e7039832044aa133c75fb
-- 
2.25.1