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unittests: add unittests for neighbor cache
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@miri64
miri64 committed Mar 13, 2015
1 parent c170868 commit e740c6f
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1 change: 1 addition & 0 deletions tests/unittests/tests-ipv6_nc/Makefile
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include $(RIOTBASE)/Makefile.base
1 change: 1 addition & 0 deletions tests/unittests/tests-ipv6_nc/Makefile.include
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USEMODULE += ng_ipv6_nc
337 changes: 337 additions & 0 deletions tests/unittests/tests-ipv6_nc/tests-ipv6_nc.c
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/*
* Copyright (C) 2014 Martine Lenders <[email protected]>
*
* 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
*/
#include <errno.h>
#include <stdlib.h>

#include "embUnit.h"

#include "net/ng_ipv6/addr.h"
#include "net/ng_ipv6/nc.h"

#include "tests-ipv6_nc.h"

/* default interface for testing */
#define DEFAULT_TEST_NETIF (TEST_UINT16)
/* default IPv6 addr for testing */
#define DEFAULT_TEST_IPV6_ADDR { { \
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, \
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f \
} \
}

/* another interface for testing */
#define OTHER_TEST_NETIF (TEST_UINT16 + TEST_UINT8)
/* another IPv6 addr for testing */
#define OTHER_TEST_IPV6_ADDR { { \
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, \
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f \
} \
}

static void set_up(void)
{
ng_ipv6_nc_init();
}

static void test_ipv6_nc_add__EADDRINUSE(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

TEST_ASSERT_EQUAL_INT(0, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, sizeof(TEST_STRING4),
0));
TEST_ASSERT_EQUAL_INT(-EADDRINUSE, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, sizeof(TEST_STRING4), 0));
}

static void test_ipv6_nc_add__EFAULT(void)
{
TEST_ASSERT_EQUAL_INT(-EFAULT, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, NULL,
TEST_STRING4, sizeof(TEST_STRING4), 0));
}

static void test_ipv6_nc_add__EINVAL_KERNEL_PID_UNDEF(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

TEST_ASSERT_EQUAL_INT(-EINVAL, ng_ipv6_nc_add(KERNEL_PID_UNDEF, &addr,
TEST_STRING4, sizeof(TEST_STRING4), 0));
}

static void test_ipv6_nc_add__EINVAL_ipv6_addr_unspecified(void)
{
ng_ipv6_addr_t addr = NG_IPV6_ADDR_UNSPECIFIED;

TEST_ASSERT_EQUAL_INT(-EINVAL, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, sizeof(TEST_STRING4), 0));
}

static void test_ipv6_nc_add__EINVAL_l2addr_too_long(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

TEST_ASSERT_EQUAL_INT(-EINVAL, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, NG_IPV6_NC_L2_ADDR_MAX + TEST_UINT8, 0));
}

static void test_ipv6_nc_add__ENOMEM(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

for (int i = 0; i < NG_IPV6_NC_SIZE; i++) {
TEST_ASSERT_EQUAL_INT(0, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, sizeof(TEST_STRING4), 0));
addr.u16[7].u16++;
}

TEST_ASSERT_EQUAL_INT(-ENOMEM, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, sizeof(TEST_STRING4), 0));
}

static void test_ipv6_nc_add__success(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

TEST_ASSERT_EQUAL_INT(0, ng_ipv6_nc_add(DEFAULT_TEST_NETIF, &addr,
TEST_STRING4, sizeof(TEST_STRING4), 0));

TEST_ASSERT_NOT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_remove__no_entry_pid(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */
ng_ipv6_nc_remove(OTHER_TEST_NETIF, &addr);
TEST_ASSERT_NOT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
TEST_ASSERT_NULL(ng_ipv6_nc_get(OTHER_TEST_NETIF, &addr));
}

static void test_ipv6_nc_remove__no_entry_addr1(void)
{
ng_ipv6_addr_t addr = OTHER_TEST_IPV6_ADDR;
ng_ipv6_addr_t exp_addr = DEFAULT_TEST_IPV6_ADDR;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */
ng_ipv6_nc_remove(DEFAULT_TEST_NETIF, &addr);
TEST_ASSERT_NOT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &exp_addr));
TEST_ASSERT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_remove__no_entry_addr2(void)
{
ng_ipv6_addr_t addr = NG_IPV6_ADDR_UNSPECIFIED;
ng_ipv6_addr_t exp_addr = DEFAULT_TEST_IPV6_ADDR;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */
ng_ipv6_nc_remove(DEFAULT_TEST_NETIF, &addr);
TEST_ASSERT_NOT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &exp_addr));
TEST_ASSERT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_remove__success(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */
TEST_ASSERT_NOT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
ng_ipv6_nc_remove(DEFAULT_TEST_NETIF, &addr);
TEST_ASSERT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_get__empty(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

TEST_ASSERT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_get__different_if(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NULL(ng_ipv6_nc_get(OTHER_TEST_NETIF, &addr));
}

static void test_ipv6_nc_get__different_addr(void)
{
ng_ipv6_addr_t addr = OTHER_TEST_IPV6_ADDR;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NULL(ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_get__success_if_local(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr)));
TEST_ASSERT_EQUAL_INT(DEFAULT_TEST_NETIF, entry->iface);
TEST_ASSERT(ng_ipv6_addr_equal(&(entry->ipv6_addr), &addr));
TEST_ASSERT_EQUAL_STRING(TEST_STRING4, (char *)entry->l2_addr);
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING4), entry->l2_addr_len);
TEST_ASSERT_EQUAL_INT(0, entry->flags);
}

static void test_ipv6_nc_get__success_if_global(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get(KERNEL_PID_UNDEF, &addr)));
TEST_ASSERT_EQUAL_INT(DEFAULT_TEST_NETIF, entry->iface);
TEST_ASSERT(ng_ipv6_addr_equal(&(entry->ipv6_addr), &addr));
TEST_ASSERT_EQUAL_STRING(TEST_STRING4, (char *)entry->l2_addr);
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING4), entry->l2_addr_len);
TEST_ASSERT_EQUAL_INT(0, entry->flags);
}

static void test_ipv6_nc_get_reachable__incomplete_if_local(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr)));
entry->flags = (NG_IPV6_NC_STATE_INCOMPLETE << NG_IPV6_NC_STATE_POS);
TEST_ASSERT_NULL(ng_ipv6_nc_get_reachable(DEFAULT_TEST_NETIF, &addr));
}

static void test_ipv6_nc_get_reachable__incomplete_if_global(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get(KERNEL_PID_UNDEF, &addr)));
entry->flags = (NG_IPV6_NC_STATE_INCOMPLETE << NG_IPV6_NC_STATE_POS);
TEST_ASSERT_NULL(ng_ipv6_nc_get_reachable(KERNEL_PID_UNDEF, &addr));
}

static void test_ipv6_nc_get_reachable__reachable_if_local(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get(DEFAULT_TEST_NETIF, &addr)));
entry->flags = (NG_IPV6_NC_STATE_REACHABLE << NG_IPV6_NC_STATE_POS);
TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get_reachable(DEFAULT_TEST_NETIF, &addr)));
TEST_ASSERT_EQUAL_INT(DEFAULT_TEST_NETIF, entry->iface);
TEST_ASSERT(ng_ipv6_addr_equal(&(entry->ipv6_addr), &addr));
TEST_ASSERT_EQUAL_STRING(TEST_STRING4, (char *)entry->l2_addr);
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING4), entry->l2_addr_len);
TEST_ASSERT_EQUAL_INT((NG_IPV6_NC_STATE_REACHABLE << NG_IPV6_NC_STATE_POS),
entry->flags);
}

static void test_ipv6_nc_get_reachable__reachable_if_global(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

test_ipv6_nc_add__success(); /* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF */

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get(KERNEL_PID_UNDEF, &addr)));
entry->flags = (NG_IPV6_NC_STATE_REACHABLE << NG_IPV6_NC_STATE_POS);
TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get_reachable(KERNEL_PID_UNDEF, &addr)));
TEST_ASSERT_EQUAL_INT(DEFAULT_TEST_NETIF, entry->iface);
TEST_ASSERT(ng_ipv6_addr_equal(&(entry->ipv6_addr), &addr));
TEST_ASSERT_EQUAL_STRING(TEST_STRING4, (char *)entry->l2_addr);
TEST_ASSERT_EQUAL_INT(sizeof(TEST_STRING4), entry->l2_addr_len);
TEST_ASSERT_EQUAL_INT((NG_IPV6_NC_STATE_REACHABLE << NG_IPV6_NC_STATE_POS),
entry->flags);
}

static void test_ipv6_nc_still_reachable__incomplete(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;

/* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF and sets flags to
* (NG_IPV6_NC_STATE_INCOMPLETE << NG_IPV6_NC_STATE_POS) */
test_ipv6_nc_get_reachable__incomplete_if_global();

TEST_ASSERT_NULL(ng_ipv6_nc_get_reachable(KERNEL_PID_UNDEF, &addr));
TEST_ASSERT_NOT_NULL(ng_ipv6_nc_still_reachable(&addr));
TEST_ASSERT_NULL(ng_ipv6_nc_get_reachable(KERNEL_PID_UNDEF, &addr));
}

static void test_ipv6_nc_still_reachable__success(void)
{
ng_ipv6_addr_t addr = DEFAULT_TEST_IPV6_ADDR;
ng_ipv6_nc_t *entry = NULL;

/* adds DEFAULT_TEST_IPV6_ADDR to DEFAULT_TEST_NETIF and sets flags to
* (NG_IPV6_NC_STATE_REACHABLE << NG_IPV6_NC_STATE_POS) */
test_ipv6_nc_get_reachable__reachable_if_global();

TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get_reachable(KERNEL_PID_UNDEF, &addr)));

entry->flags = (NG_IPV6_NC_STATE_STALE << NG_IPV6_NC_STATE_POS);

TEST_ASSERT_NOT_NULL(ng_ipv6_nc_still_reachable(&addr));
TEST_ASSERT_NOT_NULL((entry = ng_ipv6_nc_get_reachable(KERNEL_PID_UNDEF, &addr)));
TEST_ASSERT_EQUAL_INT((NG_IPV6_NC_STATE_REACHABLE << NG_IPV6_NC_STATE_POS),
entry->flags);
}

Test *tests_ipv6_nc_tests(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
new_TestFixture(test_ipv6_nc_add__EADDRINUSE),
new_TestFixture(test_ipv6_nc_add__EFAULT),
new_TestFixture(test_ipv6_nc_add__EINVAL_KERNEL_PID_UNDEF),
new_TestFixture(test_ipv6_nc_add__EINVAL_ipv6_addr_unspecified),
new_TestFixture(test_ipv6_nc_add__EINVAL_l2addr_too_long),
new_TestFixture(test_ipv6_nc_add__ENOMEM),
new_TestFixture(test_ipv6_nc_add__success),
new_TestFixture(test_ipv6_nc_remove__no_entry_pid),
new_TestFixture(test_ipv6_nc_remove__no_entry_addr1),
new_TestFixture(test_ipv6_nc_remove__no_entry_addr2),
new_TestFixture(test_ipv6_nc_remove__success),
new_TestFixture(test_ipv6_nc_get__empty),
new_TestFixture(test_ipv6_nc_get__different_if),
new_TestFixture(test_ipv6_nc_get__different_addr),
new_TestFixture(test_ipv6_nc_get__success_if_local),
new_TestFixture(test_ipv6_nc_get__success_if_global),
new_TestFixture(test_ipv6_nc_get_reachable__incomplete_if_local),
new_TestFixture(test_ipv6_nc_get_reachable__incomplete_if_global),
new_TestFixture(test_ipv6_nc_get_reachable__reachable_if_local),
new_TestFixture(test_ipv6_nc_get_reachable__reachable_if_global),
new_TestFixture(test_ipv6_nc_still_reachable__incomplete),
new_TestFixture(test_ipv6_nc_still_reachable__success),
};

EMB_UNIT_TESTCALLER(ipv6_nc_tests, set_up, NULL, fixtures);

return (Test *)&ipv6_nc_tests;
}

void tests_ipv6_nc(void)
{
TESTS_RUN(tests_ipv6_nc_tests());
}
/** @} */
37 changes: 37 additions & 0 deletions tests/unittests/tests-ipv6_nc/tests-ipv6_nc.h
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/*
* Copyright (C) 2014 Martin Lenders
*
* 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.
*/

/**
* @addtogroup unittests
* @{
*
* @file tests-ipv6_nc.h
* @brief Unittests for the ``ipv6_nc`` module
*
* @author Martine Lenders <[email protected]>
*/
#ifndef __TESTS_NETREG_H_
#define __TESTS_NETREG_H_

#include "embUnit.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
* @brief The entry point of this test suite.
*/
void tests_ipv6_nc(void);

#ifdef __cplusplus
}
#endif

#endif /* __TESTS_NETREG_H_ */
/** @} */

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