test_diag_cbs_can.c

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/**
 * @file    test_diag_cbs_can.c
 * @author  foxBMS Team
 * @date    2021-02-17 (date of creation)
 * @updated 2022-05-30 (date of last update)
 * @version v1.3.0
 * @ingroup UNIT_TEST_IMPLEMENTATION
 * @prefix  TEST
 *
 * @brief   Test of the CAN diag handler implementation.
 *
 */
 
/*========== Includes =======================================================*/
#include "unity.h"
#include "Mockdiag_cfg.h"
 
#include "diag_cbs.h"
#include "test_assert_helper.h"
 
TEST_FILE("diag_cbs_can.c")
 
/*========== Definitions and Implementations for Unit Test ==================*/
/** local copy of the #DATA_BLOCK_ERRORSTATE_s table */
static DATA_BLOCK_ERRORSTATE_s test_tableErrorFlags = {.header.uniqueId = DATA_BLOCK_ID_ERRORSTATE};
 
/** local copy of the #DATA_BLOCK_MOL_FLAG_s table */
static DATA_BLOCK_MOL_FLAG_s test_tableMolFlags = {.header.uniqueId = DATA_BLOCK_ID_MOL_FLAG};
 
/** local copy of the #DATA_BLOCK_RSL_FLAG_s table */
static DATA_BLOCK_RSL_FLAG_s test_tableRslFlags = {.header.uniqueId = DATA_BLOCK_ID_RSL_FLAG};
 
/** local copy of the #DATA_BLOCK_MSL_FLAG_s table */
static DATA_BLOCK_MSL_FLAG_s test_tableMslFlags = {.header.uniqueId = DATA_BLOCK_ID_MSL_FLAG};
 
const DIAG_DATABASE_SHIM_s diag_kpkDatabaseShim = {
    .pTableError = &test_tableErrorFlags,
    .pTableMol   = &test_tableMolFlags,
    .pTableRsl   = &test_tableRslFlags,
    .pTableMsl   = &test_tableMslFlags,
};
 
/*========== Setup and Teardown =============================================*/
void setUp(void) {
    diag_kpkDatabaseShim.pTableError->canTiming = 0;
}
 
void tearDown(void) {
}
 
/*========== Test Cases =====================================================*/
void testDiagCan(void) {
    /* reset event sets the CAN timing back in ok mode */
    DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, DIAG_EVENT_RESET, &diag_kpkDatabaseShim, 0u);
    TEST_ASSERT_EQUAL(0, diag_kpkDatabaseShim.pTableError->canTiming);
    /* ok event must not change the CAN timing state */
    DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, DIAG_EVENT_OK, &diag_kpkDatabaseShim, 0u);
    TEST_ASSERT_EQUAL(0, diag_kpkDatabaseShim.pTableError->canTiming);
 
    /* not ok event sets the CAN timing back in not ok mode */
    DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, DIAG_EVENT_NOT_OK, &diag_kpkDatabaseShim, 0u);
    TEST_ASSERT_EQUAL(1, diag_kpkDatabaseShim.pTableError->canTiming);
    /* CAN timing can be resetted via ok event (instead a reset is required), therefore the
     * CAN timing must stay in not ok mode */
    DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, DIAG_EVENT_OK, &diag_kpkDatabaseShim, 0u);
    TEST_ASSERT_EQUAL(1, diag_kpkDatabaseShim.pTableError->canTiming);
 
    /* reset event sets the CAN timing back in ok mode */
    DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, DIAG_EVENT_RESET, &diag_kpkDatabaseShim, 0u);
    TEST_ASSERT_EQUAL(0, diag_kpkDatabaseShim.pTableError->canTiming);
}
 
/** test against invalid input */
void testDIAG_ErrorCanTimingInvalidInput(void) {
    TEST_ASSERT_FAIL_ASSERT(DIAG_ErrorCanTiming(DIAG_ID_MAX, DIAG_EVENT_OK, &diag_kpkDatabaseShim, 0u));
    TEST_ASSERT_FAIL_ASSERT(DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, 42, &diag_kpkDatabaseShim, 0u));
    TEST_ASSERT_FAIL_ASSERT(DIAG_ErrorCanTiming(DIAG_ID_CAN_TIMING, DIAG_EVENT_OK, NULL_PTR, 0u));
}
 
void testDIAG_DoNothingOnWrongIdCanModule(void) {
    /* Use a wrong ID to make sure, that this does not alter the CAN entry */
    uint8_t testValue                           = 42;
    diag_kpkDatabaseShim.pTableError->canTiming = testValue;
    DIAG_ErrorCanTiming(DIAG_ID_CELLVOLTAGE_OVERVOLTAGE_RSL, DIAG_EVENT_RESET, &diag_kpkDatabaseShim, 0u);
    TEST_ASSERT_EQUAL(testValue, diag_kpkDatabaseShim.pTableError->canTiming);
}