tests/sys/shell_coreclk: add test application for shell_cmd_coreclk

tests/sys/shell_coreclk/Makefile

@@ -0,0 +1,12 @@
+include ../Makefile.sys_common
+
+USEMODULE += shell
+USEMODULE += shell_cmd_coreclk
+
+# Use a terminal that does not introduce extra characters into the stream.
+RIOT_TERMINAL ?= socat
+
+include $(RIOTBASE)/Makefile.include
+
+# the test script skips tests if socat is not used
+$(call target-export-variables,$(RIOT_TERMINAL),RIOT_TERMINAL)

tests/sys/shell_coreclk/main.c

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2023 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 for the coreclk shell command
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ *
+ */
+
+#include <stdio.h>
+
+#include "shell.h"
+
+int main(void)
+{
+    /* define buffer to be used by the shell */
+    char line_buf[SHELL_DEFAULT_BUFSIZE];
+
+    /* start shell */
+    shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE);
+
+    return 0;
+}

tests/sys/shell_coreclk/tests/01-run.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+
+# Copyright (C) 2023 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.
+
+import os
+import sys
+
+from testrunner import run
+
+EXPECTED_HELP = (
+    'Command              Description',
+    '---------------------------------------',
+    'coreclk              Print the CPU frequency',
+)
+BOARD = os.environ['BOARD']
+
+
+def testfunc(child):
+    # avoid sending an extra empty line on native.
+    if BOARD == 'native':
+        child.crlf = '\n'
+
+    # check the help
+    child.sendline('help')
+    for line in EXPECTED_HELP:
+        child.expect_exact(line)
+
+    # coreclk
+    child.sendline('coreclk')
+    child.expect(r"core clock: \d+ Hz")
+
+
+if __name__ == "__main__":
+    sys.exit(run(testfunc))