[PATCH v4 kunit-next 2/3] kunit: add log test

[Alan Maguire <alan.maguire@oracle.com>]

the logging test ensures multiple strings logged appear in the
log string associated with the test when CONFIG_KUNIT_DEBUGFS is
enabled.

Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
---
 lib/kunit/kunit-test.c | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/lib/kunit/kunit-test.c b/lib/kunit/kunit-test.c
index aceb5bf..0789060 100644
--- a/lib/kunit/kunit-test.c
+++ b/lib/kunit/kunit-test.c
@@ -329,6 +329,31 @@ static void kunit_resource_test_exit(struct kunit *test)
 	.exit = kunit_resource_test_exit,
 	.test_cases = kunit_resource_test_cases,
 };
-kunit_test_suites(&kunit_try_catch_test_suite, &kunit_resource_test_suite);
+
+static void kunit_log_test(struct kunit *test)
+{
+	kunit_log(KERN_INFO, test, "put this in log.");
+	kunit_log(KERN_INFO, test, "this too.");
+
+#ifdef CONFIG_KUNIT_DEBUGFS
+	KUNIT_EXPECT_NOT_ERR_OR_NULL(test,
+				     strstr(test->log, "put this in log."));
+	KUNIT_EXPECT_NOT_ERR_OR_NULL(test,
+				     strstr(test->log, "this too."));
+#endif
+}
+
+static struct kunit_case kunit_log_test_cases[] = {
+	KUNIT_CASE(kunit_log_test),
+	{}
+};
+
+static struct kunit_suite kunit_log_test_suite = {
+	.name = "kunit-log-test",
+	.test_cases = kunit_log_test_cases,
+};
+
+kunit_test_suites(&kunit_try_catch_test_suite, &kunit_resource_test_suite,
+		  &kunit_log_test_suite);
 
 MODULE_LICENSE("GPL v2");
-- 
1.8.3.1