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[8/9] trace-cmd: Unit test for tracefs_tracers() API

Message ID 20200129095421.881786-9-tz.stoyanov@gmail.com (mailing list archive)
State Accepted
Commit 6c221d359c3415bd6e53437bf0f1225129728b32
Headers show
Series libtracefs: few fixes and a lot of unit tests | expand

Commit Message

Tzvetomir Stoyanov (VMware) Jan. 29, 2020, 9:54 a.m. UTC 
A unit test for tracefs_tracers() API.

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
 utest/tracefs-utest.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
diff mbox series

Patch

diff --git a/utest/tracefs-utest.c b/utest/tracefs-utest.c
index e4ab64f..1fd7f09 100644
--- a/utest/tracefs-utest.c
+++ b/utest/tracefs-utest.c
@@ -322,6 +322,35 @@  static void test_system_event(void)
 	free(sdir);
 }
 
+static void test_tracers(void)
+{
+	const char *tdir;
+	char **tracers;
+	char *tfile;
+	char *tracer;
+	int i;
+
+	tdir  = tracefs_get_tracing_dir();
+	CU_TEST(tdir != NULL);
+
+	tracers = tracefs_tracers(tdir);
+	CU_TEST(tracers != NULL);
+
+	tfile = tracefs_instance_file_read(NULL, ALL_TRACERS, NULL);
+
+	tracer = strtok(tfile, " ");
+	while (tracer) {
+		exclude_string(tracers, tracer);
+		tracer = strtok(NULL, " ");
+	}
+
+	for (i = 0; tracers[i]; i++)
+		CU_TEST(tracers[i][0] == '/');
+
+	tracefs_list_free(tracers);
+	free(tfile);
+}
+
 static int test_suite_destroy(void)
 {
 	tracefs_instance_destroy(test_instance);
@@ -365,4 +394,6 @@  void test_tracefs_lib(void)
 		    test_system_event);
 	CU_add_test(suite, "tracefs_iterate_raw_events API",
 		    test_iter_raw_events);
+	CU_add_test(suite, "tracefs_tracers API",
+		    test_tracers);
 }