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Subject[PATCH net-next v3 09/11] testing/vsock: add parameters to list and skip tests
Date
Some tests can fail with transports that have a slightly
different behavior, so let's add the possibility to specify
which tests to skip.

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
tools/testing/vsock/control.c | 15 +++++-
tools/testing/vsock/control.h | 1 +
tools/testing/vsock/util.c | 76 +++++++++++++++++++++------
tools/testing/vsock/util.h | 6 ++-
tools/testing/vsock/vsock_diag_test.c | 19 ++++++-
tools/testing/vsock/vsock_test.c | 20 ++++++-
6 files changed, 117 insertions(+), 20 deletions(-)

diff --git a/tools/testing/vsock/control.c b/tools/testing/vsock/control.c
index 45f328c6ff23..4874872fc5a3 100644
--- a/tools/testing/vsock/control.c
+++ b/tools/testing/vsock/control.c
@@ -205,11 +205,22 @@ void control_expectln(const char *str)
char *line;

line = control_readln();
- if (strcmp(str, line) != 0) {
+
+ control_cmpln(line, str, true);
+
+ free(line);
+}
+
+bool control_cmpln(char *line, const char *str, bool fail)
+{
+ if (strcmp(str, line) == 0)
+ return true;
+
+ if (fail) {
fprintf(stderr, "expected \"%s\" on control socket, got \"%s\"\n",
str, line);
exit(EXIT_FAILURE);
}

- free(line);
+ return false;
}
diff --git a/tools/testing/vsock/control.h b/tools/testing/vsock/control.h
index dac3964a891d..51814b4f9ac1 100644
--- a/tools/testing/vsock/control.h
+++ b/tools/testing/vsock/control.h
@@ -10,5 +10,6 @@ void control_cleanup(void);
void control_writeln(const char *str);
char *control_readln(void);
void control_expectln(const char *str);
+bool control_cmpln(char *line, const char *str, bool fail);

#endif /* CONTROL_H */
diff --git a/tools/testing/vsock/util.c b/tools/testing/vsock/util.c
index b132c96c87fc..b290fa78405f 100644
--- a/tools/testing/vsock/util.c
+++ b/tools/testing/vsock/util.c
@@ -299,32 +299,78 @@ void run_tests(const struct test_case *test_cases,

for (i = 0; test_cases[i].name; i++) {
void (*run)(const struct test_opts *opts);
+ char *line;

- printf("%s...", test_cases[i].name);
+ printf("%d - %s...", i, test_cases[i].name);
fflush(stdout);

- if (opts->mode == TEST_MODE_CLIENT) {
- /* Full barrier before executing the next test. This
- * ensures that client and server are executing the
- * same test case. In particular, it means whoever is
- * faster will not see the peer still executing the
- * last test. This is important because port numbers
- * can be used by multiple test cases.
- */
- control_expectln("NEXT");
+ /* Full barrier before executing the next test. This
+ * ensures that client and server are executing the
+ * same test case. In particular, it means whoever is
+ * faster will not see the peer still executing the
+ * last test. This is important because port numbers
+ * can be used by multiple test cases.
+ */
+ if (test_cases[i].skip)
+ control_writeln("SKIP");
+ else
control_writeln("NEXT");

- run = test_cases[i].run_client;
- } else {
- control_writeln("NEXT");
- control_expectln("NEXT");
+ line = control_readln();
+ if (control_cmpln(line, "SKIP", false) || test_cases[i].skip) {

- run = test_cases[i].run_server;
+ printf("skipped\n");
+
+ free(line);
+ continue;
}

+ control_cmpln(line, "NEXT", true);
+ free(line);
+
+ if (opts->mode == TEST_MODE_CLIENT)
+ run = test_cases[i].run_client;
+ else
+ run = test_cases[i].run_server;
+
if (run)
run(opts);

printf("ok\n");
}
}
+
+void list_tests(const struct test_case *test_cases)
+{
+ int i;
+
+ printf("ID\tTest name\n");
+
+ for (i = 0; test_cases[i].name; i++)
+ printf("%d\t%s\n", i, test_cases[i].name);
+
+ exit(EXIT_FAILURE);
+}
+
+void skip_test(struct test_case *test_cases, size_t test_cases_len,
+ const char *test_id_str)
+{
+ unsigned long test_id;
+ char *endptr = NULL;
+
+ errno = 0;
+ test_id = strtoul(test_id_str, &endptr, 10);
+ if (errno || *endptr != '\0') {
+ fprintf(stderr, "malformed test ID \"%s\"\n", test_id_str);
+ exit(EXIT_FAILURE);
+ }
+
+ if (test_id >= test_cases_len) {
+ fprintf(stderr, "test ID (%lu) larger than the max allowed (%lu)\n",
+ test_id, test_cases_len - 1);
+ exit(EXIT_FAILURE);
+ }
+
+ test_cases[test_id].skip = true;
+}
+
diff --git a/tools/testing/vsock/util.h b/tools/testing/vsock/util.h
index 331e945f3ae6..e53dd09d26d9 100644
--- a/tools/testing/vsock/util.h
+++ b/tools/testing/vsock/util.h
@@ -29,6 +29,8 @@ struct test_case {

/* Called when test mode is TEST_MODE_SERVER */
void (*run_server)(const struct test_opts *opts);
+
+ bool skip;
};

void init_signals(void);
@@ -41,5 +43,7 @@ void send_byte(int fd, int expected_ret, int flags);
void recv_byte(int fd, int expected_ret, int flags);
void run_tests(const struct test_case *test_cases,
const struct test_opts *opts);
-
+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);
#endif /* UTIL_H */
diff --git a/tools/testing/vsock/vsock_diag_test.c b/tools/testing/vsock/vsock_diag_test.c
index abd7dc2a9631..b82483627259 100644
--- a/tools/testing/vsock/vsock_diag_test.c
+++ b/tools/testing/vsock/vsock_diag_test.c
@@ -463,6 +463,16 @@ static const struct option longopts[] = {
.has_arg = required_argument,
.val = 'p',
},
+ {
+ .name = "list",
+ .has_arg = no_argument,
+ .val = 'l',
+ },
+ {
+ .name = "skip",
+ .has_arg = required_argument,
+ .val = 's',
+ },
{
.name = "help",
.has_arg = no_argument,
@@ -473,7 +483,7 @@ static const struct option longopts[] = {

static void usage(void)
{
- fprintf(stderr, "Usage: vsock_diag_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid>\n"
+ fprintf(stderr, "Usage: vsock_diag_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--list] [--skip=<test_id>]\n"
"\n"
" Server: vsock_diag_test --control-port=1234 --mode=server --peer-cid=3\n"
" Client: vsock_diag_test --control-host=192.168.0.1 --control-port=1234 --mode=client --peer-cid=2\n"
@@ -528,6 +538,13 @@ int main(int argc, char **argv)
case 'P':
control_port = optarg;
break;
+ case 'l':
+ list_tests(test_cases);
+ break;
+ case 's':
+ skip_test(test_cases, ARRAY_SIZE(test_cases) - 1,
+ optarg);
+ break;
case '?':
default:
usage();
diff --git a/tools/testing/vsock/vsock_test.c b/tools/testing/vsock/vsock_test.c
index 629d7ce58202..3ac56651f3f9 100644
--- a/tools/testing/vsock/vsock_test.c
+++ b/tools/testing/vsock/vsock_test.c
@@ -13,6 +13,7 @@
#include <string.h>
#include <errno.h>
#include <unistd.h>
+#include <linux/kernel.h>

#include "timeout.h"
#include "control.h"
@@ -222,6 +223,16 @@ static const struct option longopts[] = {
.has_arg = required_argument,
.val = 'p',
},
+ {
+ .name = "list",
+ .has_arg = no_argument,
+ .val = 'l',
+ },
+ {
+ .name = "skip",
+ .has_arg = required_argument,
+ .val = 's',
+ },
{
.name = "help",
.has_arg = no_argument,
@@ -232,7 +243,7 @@ static const struct option longopts[] = {

static void usage(void)
{
- fprintf(stderr, "Usage: vsock_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid>\n"
+ fprintf(stderr, "Usage: vsock_test [--help] [--control-host=<host>] --control-port=<port> --mode=client|server --peer-cid=<cid> [--list] [--skip=<test_id>]\n"
"\n"
" Server: vsock_test --control-port=1234 --mode=server --peer-cid=3\n"
" Client: vsock_test --control-host=192.168.0.1 --control-port=1234 --mode=client --peer-cid=2\n"
@@ -287,6 +298,13 @@ int main(int argc, char **argv)
case 'P':
control_port = optarg;
break;
+ case 'l':
+ list_tests(test_cases);
+ break;
+ case 's':
+ skip_test(test_cases, ARRAY_SIZE(test_cases) - 1,
+ optarg);
+ break;
case '?':
default:
usage();
--
2.24.1
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