tests/shell_scripting: add test for running commands from file

tests/sys/shell_scripting/Makefile

@@ -0,0 +1,14 @@
+DEVELHELP=0
+include ../Makefile.sys_common
+
+USEMODULE += shell
+USEMODULE += vfs_default
+USEMODULE += vfs_util
+USEMODULE += ztimer_msec
+
+DISABLE_MODULE += test_utils_interactive_sync
+
+# only boards with MTD are eligible
+TEST_ON_CI_WHITELIST += native native64
+
+include $(RIOTBASE)/Makefile.include

tests/sys/shell_scripting/Makefile.ci

@@ -0,0 +1,4 @@
+BOARD_INSUFFICIENT_MEMORY := \
+    atmega8 \
+    nucleo-l011k4 \
+    #

tests/sys/shell_scripting/main.c

@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2024 ML!PA Consulting GmbH
+ *
+ * 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.
+ */
+
+/**
+ * @ingroup tests
+ * @{
+ *
+ * @file
+ * @brief   Shell Scripting Test Application
+ *
+ * @author  Benjamin Valentin <benjamin.valentin@ml-pa.com>
+ * @}
+ */
+
+#include <stdlib.h>
+
+#include "shell.h"
+#include "vfs_default.h"
+#include "vfs_util.h"
+#include "ztimer.h"
+
+#ifndef SCRIPT_FILE
+#define SCRIPT_FILE VFS_DEFAULT_DATA "/script.sh"
+#endif
+
+static int cmd_msleep(int argc, char **argv)
+{
+    if (argc != 2) {
+        return -1;
+    }
+
+    ztimer_sleep(ZTIMER_MSEC, atoi(argv[1]));
+    return 0;
+}
+
+static int cmd_echo(int argc, char **argv)
+{
+    for (int i = 1; i < argc; ++i) {
+        printf("%s ", argv[i]);
+    }
+    puts("");
+
+    return 0;
+}
+
+static int cmd_add(int argc, char **argv)
+{
+    int sum = 0;
+
+    for (int i = 1; i < argc; ++i) {
+        sum += atoi(argv[i]);
+    }
+
+    printf("%d", sum);
+    return 0;
+}
+
+static const shell_command_t shell_commands[] = {
+    { "msleep", "sleep for a number of ms", cmd_msleep },
+    { "echo", "echo parameters to console", cmd_echo },
+    { "add", "add up a list of numbers", cmd_add },
+    { NULL, NULL, NULL }
+};
+
+static int _create_script(void)
+{
+    const char file[] = {
+        "msleep 500\n"
+        "echo Hello RIOT!\n"
+        "add 10 23 9\n"
+    };
+
+    if (vfs_file_exists(SCRIPT_FILE)) {
+        return 0;
+    }
+
+    return vfs_file_from_buffer(SCRIPT_FILE, file, sizeof(file) - 1);
+}
+
+int main(void)
+{
+    _create_script();
+
+    return shell_parse_file(shell_commands, SCRIPT_FILE);
+}

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

@@ -0,0 +1,13 @@
+#!/usr/bin/env python3
+
+import sys
+from testrunner import run
+
+
+def testfunc(child):
+    child.expect_exact('Hello RIOT!')
+    child.expect_exact('42')
+
+
+if __name__ == "__main__":
+    sys.exit(run(testfunc))