tests/log_printfnoformat: add test application & script

tests/log_printfnoformat/Makefile

@@ -0,0 +1,10 @@
+include ../Makefile.tests_common
+
+USEMODULE += log_printfnoformat
+
+TEST_ON_CI_WHITELIST += all
+
+# Enable debug log level
+CFLAGS += -DLOG_LEVEL=4
+
+include $(RIOTBASE)/Makefile.include

tests/log_printfnoformat/main.c

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+/*
+ * Copyright (C) 2019 Inria
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @file
+ * @brief       Test logging with no format gives the expected output
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ *
+ */
+
+#include <inttypes.h>
+
+#include "log.h"
+
+int main(void)
+{
+    uint8_t value = 42;
+    const char *string = "test";
+    const char *format = "Logging value %d and string %s";
+
+    LOG_ERROR(format, value, string);
+    LOG_WARNING(format, value, string);
+    LOG_INFO(format, value, string);
+    LOG_DEBUG(format, value, string);
+
+    return 0;
+}

tests/log_printfnoformat/tests/01-run.py

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+#!/usr/bin/env python3
+
+# Copyright (C) 2019 Alexandre Abadie <alexandre.abadie@inria.fr>
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+
+import sys
+from testrunner import run
+
+
+def testfunc(child):
+    for _ in range(4):
+        child.expect_exact('Logging value %d and string %s')
+
+
+if __name__ == "__main__":
+    sys.exit(run(testfunc))