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Chore/refactor automac unit test (#557)

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* move ports automac module into bacnet/datalink and add unit test.
This commit is contained in:
Steve Karg
2024-01-12 16:14:24 -06:00
committed by GitHub
parent c6dcab8f0a
commit 587e3c5a11
8 changed files with 172 additions and 143 deletions
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test/CMakeLists.txt
+1
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@@ -149,6 +149,7 @@ list(APPEND testdirs
# bacnet/datalink/*
list(APPEND testdirs
bacnet/datalink/automac
bacnet/datalink/cobs
bacnet/datalink/crc
bacnet/datalink/bvlc
test/bacnet/datalink/automac/CMakeLists.txt
+40
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@@ -0,0 +1,40 @@
# SPDX-License-Identifier: MIT
cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
get_filename_component(basename ${CMAKE_CURRENT_SOURCE_DIR} NAME)
project(test_${basename}
VERSION 1.0.0
LANGUAGES C)
string(REGEX REPLACE
"/test/bacnet/[a-zA-Z_/-]*$"
"/src"
SRC_DIR
${CMAKE_CURRENT_SOURCE_DIR})
string(REGEX REPLACE
"/test/bacnet/[a-zA-Z_/-]*$"
"/test"
TST_DIR
${CMAKE_CURRENT_SOURCE_DIR})
set(ZTST_DIR "${TST_DIR}/ztest/src")
add_compile_definitions(
BIG_ENDIAN=0
CONFIG_ZTEST=1
)
include_directories(
${SRC_DIR}
${TST_DIR}/ztest/include
)
add_executable(${PROJECT_NAME}
# File(s) under test
${SRC_DIR}/bacnet/datalink/automac.c
# Support files and stubs (pathname alphabetical)
# Test and test library files
./src/main.c
${ZTST_DIR}/ztest_mock.c
${ZTST_DIR}/ztest.c
)
test/bacnet/datalink/automac/src/main.c
+99
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@@ -0,0 +1,99 @@
/**
* @file
* @brief test BACnet MSTP zero-config auto MAC address
* @author Steve Karg <skarg@users.sourceforge.net>
* @date 2023-June
*
* SPDX-License-Identifier: MIT
*/
#include <zephyr/ztest.h>
#include <bacnet/datalink/automac.h>
#include <bacnet/bytes.h>
/**
* @addtogroup bacnet_tests
* @{
*/
/**
* @brief Test Auto-MAC initialization
*/
static void test_automac_init(void)
{
uint8_t mac = 255;
bool options;
automac_init();
zassert_equal(automac_free_address_count(), 0, NULL);
mac = automac_free_address_mac(0);
zassert_equal(mac, 255, NULL);
automac_pfm_set(MSTP_MAC_SLOTS_OFFSET);
mac = automac_free_address_mac(0);
zassert_equal(mac, MSTP_MAC_SLOTS_OFFSET, NULL);
zassert_equal(automac_free_address_count(), 1, NULL);
automac_token_set(MSTP_MAC_SLOTS_OFFSET);
mac = automac_free_address_mac(0);
zassert_equal(mac, 255, NULL);
zassert_equal(automac_free_address_count(), 0, NULL);
automac_pfm_set(127);
mac = automac_free_address_mac(0);
zassert_equal(mac, 127, NULL);
zassert_equal(automac_free_address_count(), 1, NULL);
automac_token_set(127);
mac = automac_free_address_mac(0);
zassert_equal(mac, 255, NULL);
zassert_equal(automac_free_address_count(), 0, NULL);
/* the ANSI rand() uses consistent sequence based on seed */
srand(42);
mac = automac_free_address_random();
zassert_equal(mac, 255, NULL);
automac_pfm_set(MSTP_MAC_SLOTS_OFFSET + 1);
mac = automac_free_address_mac(0);
zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
mac = automac_free_address_random();
zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
/* test 2 free addresses */
automac_pfm_set(MSTP_MAC_SLOTS_OFFSET + 2);
mac = automac_free_address_mac(0);
zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
mac = automac_free_address_mac(1);
zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 2), NULL);
mac = automac_free_address_random();
options = (mac == (MSTP_MAC_SLOTS_OFFSET + 1)) ||
(mac == (MSTP_MAC_SLOTS_OFFSET + 2));
zassert_true(options, NULL);
/* test 3 free addresses */
automac_pfm_set(126);
mac = automac_free_address_mac(0);
zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 1), NULL);
mac = automac_free_address_mac(1);
zassert_equal(mac, (MSTP_MAC_SLOTS_OFFSET + 2), NULL);
mac = automac_free_address_mac(2);
zassert_equal(mac, 126, NULL);
mac = automac_free_address_random();
options = (mac == (MSTP_MAC_SLOTS_OFFSET + 1)) ||
(mac == (MSTP_MAC_SLOTS_OFFSET + 2)) ||
(mac == 126);
zassert_true(options, NULL);
/* test the stored address */
mac = automac_address();
zassert_true(mac < MSTP_MAC_SLOTS_MAX, NULL);
automac_address_set(MSTP_MAC_SLOTS_OFFSET);
mac = automac_address();
zassert_equal(mac, MSTP_MAC_SLOTS_OFFSET, NULL);
automac_init();
automac_token_set(0x6B);
mac = automac_next_station(0x25);
zassert_equal(mac, 0x6B, NULL);
}
/**
* @}
*/
void test_main(void)
{
ztest_test_suite(automac_tests, ztest_unit_test(test_automac_init));
ztest_run_test_suite(automac_tests);
}