tests/gnrc_rpl: add automated test for gnrc_rpl

tests/gnrc_rpl/Makefile

@@ -0,0 +1,22 @@
+include ../Makefile.tests_common
+
+USEMODULE += auto_init_gnrc_netif
+USEMODULE += auto_init_gnrc_rpl
+USEMODULE += gnrc_ipv6_router_default
+USEMODULE += gnrc_icmpv6_echo
+USEMODULE += gnrc_rpl
+
+USEMODULE += shell
+USEMODULE += shell_commands
+
+# automated test only works on native
+TEST_ON_CI_WHITELIST += native
+
+ifeq (native, $(BOARD))
+  USEMODULE += socket_zep
+  TERMFLAGS += -z [::1]:17754
+else
+  USEMODULE += netdev_default
+endif
+
+include $(RIOTBASE)/Makefile.include

tests/gnrc_rpl/Makefile.ci

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+BOARD_INSUFFICIENT_MEMORY := \
+    arduino-duemilanove \
+    arduino-leonardo \
+    arduino-mega2560 \
+    arduino-nano \
+    arduino-uno \
+    atmega328p \
+    atmega328p-xplained-mini \
+    bluepill-stm32f030c8 \
+    i-nucleo-lrwan1 \
+    msb-430 \
+    msb-430h \
+    nucleo-f030r8 \
+    nucleo-f031k6 \
+    nucleo-f042k6 \
+    nucleo-f070rb \
+    nucleo-f072rb \
+    nucleo-f103rb \
+    nucleo-f302r8 \
+    nucleo-f303k8 \
+    nucleo-f334r8 \
+    nucleo-l011k4 \
+    nucleo-l031k6 \
+    nucleo-l053r8 \
+    samd10-xmini \
+    slstk3400a \
+    stk3200 \
+    stm32f030f4-demo \
+    stm32f0discovery \
+    stm32g0316-disco \
+    stm32l0538-disco \
+    telosb \
+    waspmote-pro \
+    z1 \
+    #

tests/gnrc_rpl/main.c

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+/*
+ * Copyright (C) 2020 HAW
+ *
+ * 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       Compile test for gnrc_rpl
+ *
+ * @author      Cenk Gündoğan <mail+dev@gundogan.net>
+ *
+ * @}
+ */
+
+#include "shell.h"
+#include "msg.h"
+
+#define MAIN_QUEUE_SIZE     (8)
+static msg_t _main_msg_queue[MAIN_QUEUE_SIZE];
+
+int main(void)
+{
+    char line_buf[SHELL_DEFAULT_BUFSIZE];
+
+    msg_init_queue(_main_msg_queue, MAIN_QUEUE_SIZE);
+    shell_run(NULL, line_buf, SHELL_DEFAULT_BUFSIZE);
+
+    return 0;
+}

tests/gnrc_rpl/test.topo

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+A	B
+B	C
+C	D

tests/gnrc_rpl/tests/01-run.py

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+#!/usr/bin/env python3
+
+# Copyright (C) 2021 Benjamin Valentin
+#
+# 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 signal
+import atexit
+import time
+
+from riotctrl_shell.gnrc import GNRCICMPv6Echo, GNRCICMPv6EchoParser
+from riotctrl_shell.netif import Ifconfig
+from contextlib import ContextDecorator
+from riotctrl.ctrl import RIOTCtrl, RIOTCtrlBoardFactory
+from riotctrl_ctrl import native
+from riotctrl_shell.netif import IfconfigListParser
+
+PARSERS = {
+    "ping6": GNRCICMPv6EchoParser(),
+    "ifconfig": IfconfigListParser(),
+}
+
+class RIOTCtrlAppFactory(RIOTCtrlBoardFactory, ContextDecorator):
+
+    def __init__(self):
+        super().__init__(board_cls={
+            'native': native.NativeRIOTCtrl,
+        })
+        self.ctrl_list = list()
+
+    def __enter__(self):
+        return self
+
+    def __exit__(self, *exc):
+        for ctrl in self.ctrl_list:
+            ctrl.stop_term()
+
+    def get_shell(self, application_directory='.', env=None):
+        # retrieve a RIOTCtrl Object
+        ctrl = super().get_ctrl(
+            env=env,
+            application_directory=application_directory
+        )
+        # append ctrl to list
+        self.ctrl_list.append(ctrl)
+        # flash and start terminal
+        ctrl.start_term()
+        # return ctrl with started terminal
+        return Shell(ctrl)
+
+class Shell(Ifconfig, GNRCICMPv6Echo):
+    pass
+
+def first_netif_and_addr_by_scope(ifconfig_out, scope):
+    netifs = PARSERS["ifconfig"].parse(ifconfig_out)
+    key = next(iter(netifs))
+    netif = netifs[key]
+    return (
+        key,
+        [addr["addr"] for addr in netif["ipv6_addrs"] if addr["scope"] == scope][0],
+    )
+
+def global_addr(ifconfig_out):
+    return first_netif_and_addr_by_scope(ifconfig_out, "global")
+
+with RIOTCtrlAppFactory() as factory:
+
+    # spawn dispatcher
+    pid = os.spawnl(os.P_NOWAIT, '../../dist/tools/zep_dispatch/bin/zep_dispatch',
+                    'zep_dispatch', '-t', 'test.topo', '::1', '17754')
+    atexit.register(os.kill, pid, signal.SIGTERM)
+
+    # create native instances
+    env = {'BOARD': 'native'}
+
+    A = factory.get_shell(env=env)
+    B = factory.get_shell(env=env)
+    C = factory.get_shell(env=env)
+    D = factory.get_shell(env=env)
+
+    # add prefix to root node
+    A.cmd("nib prefix add 5 2001:db8::/32")
+    root_addr = global_addr(A.ifconfig_list())[1]
+
+    # wait for the creation of the DODAG
+    time.sleep(5)
+
+    # ping root node from last node
+    parser = GNRCICMPv6EchoParser()
+    result = parser.parse(D.ping6(root_addr))
+
+    # assert packetloss is under 10%"))
+    assert result['stats']['packet_loss'] < 10
+    # assert at least one responder
+    assert result['stats']['rx'] > 0
+    # 2 intermediate hops, 64 - 2
+    assert result['replies'][0]['ttl'] == 62