netdev - [PATCH net-next v2 2/6] vsock/test: Introduce option to run a single test

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Message-Id: <20241216-test-vsock-leaks-v2-2-55e1405742fc@rbox.co>
Date: Mon, 16 Dec 2024 13:00:58 +0100
From: Michal Luczaj <mhal@...x.co>
To: Stefano Garzarella <sgarzare@...hat.com>
Cc: netdev@...r.kernel.org, Michal Luczaj <mhal@...x.co>
Subject: [PATCH net-next v2 2/6] vsock/test: Introduce option to run a
 single test

Allow for singling out a specific test ID to be executed.

Signed-off-by: Michal Luczaj <mhal@...x.co>
---
 tools/testing/vsock/util.c       | 20 ++++++++++++++++++--
 tools/testing/vsock/util.h       |  2 ++
 tools/testing/vsock/vsock_test.c | 10 ++++++++++
 3 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/tools/testing/vsock/util.c b/tools/testing/vsock/util.c
index 34e9dac0a105f8aeb8c9af379b080d5ce8cb2782..5a3b5908ba88e5011906d67fb82342d2a6a6ba74 100644
--- a/tools/testing/vsock/util.c
+++ b/tools/testing/vsock/util.c
@@ -486,8 +486,7 @@ void list_tests(const struct test_case *test_cases)
 	exit(EXIT_FAILURE);
 }
 
-void skip_test(struct test_case *test_cases, size_t test_cases_len,
-	       const char *test_id_str)
+static unsigned long parse_test_id(const char *test_id_str, size_t test_cases_len)
 {
 	unsigned long test_id;
 	char *endptr = NULL;
@@ -505,9 +504,26 @@ void skip_test(struct test_case *test_cases, size_t test_cases_len,
 		exit(EXIT_FAILURE);
 	}
 
+	return test_id;
+}
+
+void skip_test(struct test_case *test_cases, size_t test_cases_len,
+	       const char *test_id_str)
+{
+	unsigned long test_id = parse_test_id(test_id_str, test_cases_len);
 	test_cases[test_id].skip = true;
 }
 
+void pick_test(struct test_case *test_cases, size_t test_cases_len,
+	       const char *test_id_str)
+{
+	unsigned long i, test_id;
+
+	test_id = parse_test_id(test_id_str, test_cases_len);
+	for (i = 0; i < test_cases_len; ++i)
+		test_cases[i].skip = (i != test_id);
+}
+
 unsigned long hash_djb2(const void *data, size_t len)
 {
 	unsigned long hash = 5381;
diff --git a/tools/testing/vsock/util.h b/tools/testing/vsock/util.h
index ba84d296d8b71e1bcba2abdad337e07aac45e75e..e62f46b2b92a7916e83e1e623b43c811b077db3e 100644
--- a/tools/testing/vsock/util.h
+++ b/tools/testing/vsock/util.h
@@ -62,6 +62,8 @@ void run_tests(const struct test_case *test_cases,
 void list_tests(const struct test_case *test_cases);
 void skip_test(struct test_case *test_cases, size_t test_cases_len,
 	       const char *test_id_str);
+void pick_test(struct test_case *test_cases, size_t test_cases_len,
+	       const char *test_id_str);
 unsigned long hash_djb2(const void *data, size_t len);
 size_t iovec_bytes(const struct iovec *iov, size_t iovnum);
 unsigned long iovec_hash_djb2(const struct iovec *iov, size_t iovnum);
diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
index 38fd8d96eb83ef1bd45728cfaac6adb3c1e07cfe..1ad1fbba10307c515e31816a2529befd547f7fd7 100644
--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -1644,6 +1644,11 @@ static const struct option longopts[] = {
 		.has_arg = required_argument,
 		.val = 's',
 	},
+	{
+		.name = "test",
+		.has_arg = required_argument,
+		.val = 't',
+	},
 	{
 		.name = "help",
 		.has_arg = no_argument,
@@ -1681,6 +1686,7 @@ static void usage(void)
 		"  --peer-cid <cid>       CID of the other side\n"
 		"  --peer-port <port>     AF_VSOCK port used for the test [default: %d]\n"
 		"  --list                 List of tests that will be executed\n"
+		"  --test <test_id>       Single test ID to be executed\n"
 		"  --skip <test_id>       Test ID to skip;\n"
 		"                         use multiple --skip options to skip more tests\n",
 		DEFAULT_PEER_PORT
@@ -1737,6 +1743,10 @@ int main(int argc, char **argv)
 			skip_test(test_cases, ARRAY_SIZE(test_cases) - 1,
 				  optarg);
 			break;
+		case 't':
+			pick_test(test_cases, ARRAY_SIZE(test_cases) - 1,
+				  optarg);
+			break;
 		case '?':
 		default:
 			usage();

-- 
2.47.1