/*
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* File: test_lib.c
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* Author: Jan Breuer
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*
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* Created on 2013-11-08 11:49:53
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "CUnit/Basic.h"
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#include "scpi/scpi.h"
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/*
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* CUnit Test Suite
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*/
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static const scpi_command_t scpi_commands[] = {
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/* IEEE Mandated Commands (SCPI std V1999.0 4.1.1) */
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{ .pattern = "*CLS", .callback = SCPI_CoreCls,},
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{ .pattern = "*ESE", .callback = SCPI_CoreEse,},
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{ .pattern = "*ESE?", .callback = SCPI_CoreEseQ,},
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{ .pattern = "*ESR?", .callback = SCPI_CoreEsrQ,},
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{ .pattern = "*IDN?", .callback = SCPI_CoreIdnQ,},
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{ .pattern = "*OPC", .callback = SCPI_CoreOpc,},
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{ .pattern = "*OPC?", .callback = SCPI_CoreOpcQ,},
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{ .pattern = "*RST", .callback = SCPI_CoreRst,},
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{ .pattern = "*SRE", .callback = SCPI_CoreSre,},
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{ .pattern = "*SRE?", .callback = SCPI_CoreSreQ,},
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{ .pattern = "*STB?", .callback = SCPI_CoreStbQ,},
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{ .pattern = "*TST?", .callback = SCPI_CoreTstQ,},
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{ .pattern = "*WAI", .callback = SCPI_CoreWai,},
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/* Required SCPI commands (SCPI std V1999.0 4.2.1) */
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{.pattern = "SYSTem:ERRor[:NEXT]?", .callback = SCPI_SystemErrorNextQ,},
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{.pattern = "SYSTem:ERRor:COUNt?", .callback = SCPI_SystemErrorCountQ,},
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{.pattern = "SYSTem:VERSion?", .callback = SCPI_SystemVersionQ,},
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{.pattern = "STATus:QUEStionable[:EVENt]?", .callback = SCPI_StatusQuestionableEventQ,},
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{.pattern = "STATus:QUEStionable:ENABle", .callback = SCPI_StatusQuestionableEnable,},
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{.pattern = "STATus:QUEStionable:ENABle?", .callback = SCPI_StatusQuestionableEnableQ,},
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{.pattern = "STATus:PRESet", .callback = SCPI_StatusPreset,},
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SCPI_CMD_LIST_END
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};
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char output_buffer[1024];
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size_t output_buffer_pos = 0;
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int_fast16_t err_buffer[128];
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size_t err_buffer_pos = 0;
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static void output_buffer_clear(void) {
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output_buffer[0] = '\0';
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output_buffer_pos = 0;
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}
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static size_t output_buffer_write(const char * data, size_t len) {
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memcpy(output_buffer + output_buffer_pos, data, len);
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output_buffer_pos += len;
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output_buffer[output_buffer_pos] = '\0';
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}
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scpi_t scpi_context;
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static void error_buffer_clear(void) {
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err_buffer[0] = '\0';
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err_buffer_pos = 0;
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SCPI_EventClear(&scpi_context);
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SCPI_ErrorClear(&scpi_context);
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}
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static void error_buffer_add(int_fast16_t err) {
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err_buffer[err_buffer_pos] = err;
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err_buffer_pos++;
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}
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static size_t SCPI_Write(scpi_t * context, const char * data, size_t len) {
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(void) context;
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return output_buffer_write(data, len);
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}
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static scpi_result_t SCPI_Flush(scpi_t * context) {
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return SCPI_RES_OK;
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}
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static int SCPI_Error(scpi_t * context, int_fast16_t err) {
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(void) context;
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error_buffer_add(err);
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return 0;
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}
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scpi_reg_val_t srq_val = 0;
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static scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val) {
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if (SCPI_CTRL_SRQ == ctrl) {
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srq_val = val;
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} else {
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fprintf(stderr, "**CTRL %02x: 0x%X (%d)\r\n", ctrl, val, val);
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}
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return SCPI_RES_OK;
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}
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scpi_bool_t TST_executed = FALSE;
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scpi_bool_t RST_executed = FALSE;
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static scpi_result_t SCPI_Test(scpi_t * context) {
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TST_executed = TRUE;
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return SCPI_RES_OK;
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}
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static scpi_result_t SCPI_Reset(scpi_t * context) {
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RST_executed = TRUE;
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return SCPI_RES_OK;
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}
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static scpi_interface_t scpi_interface = {
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.error = SCPI_Error,
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.write = SCPI_Write,
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.control = SCPI_Control,
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.flush = SCPI_Flush,
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.reset = SCPI_Reset,
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.test = SCPI_Test,
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};
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#define SCPI_INPUT_BUFFER_LENGTH 256
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static char scpi_input_buffer[SCPI_INPUT_BUFFER_LENGTH];
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static scpi_reg_val_t scpi_regs[SCPI_REG_COUNT];
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scpi_t scpi_context = {
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.cmdlist = scpi_commands,
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.buffer = {
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.length = SCPI_INPUT_BUFFER_LENGTH,
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.data = scpi_input_buffer,
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},
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.interface = &scpi_interface,
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.registers = scpi_regs,
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.units = scpi_units_def,
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.special_numbers = scpi_special_numbers_def,
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.idn = {"MA", "IN", NULL, "VER"},
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};
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int init_suite(void) {
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SCPI_Init(&scpi_context);
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return 0;
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}
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int clean_suite(void) {
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return 0;
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}
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void testCommandsHandling(void) {
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#define TEST_INPUT(data, output) { \
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SCPI_Input(&scpi_context, data, strlen(data)); \
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CU_ASSERT_STRING_EQUAL(output, output_buffer); \
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}
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output_buffer_clear();
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/* Test single command */
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TEST_INPUT("*IDN?\r\n", "MA, IN, 0, VER\r\n");
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output_buffer_clear();
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/* Test multiple commands in input buffer */
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TEST_INPUT("*IDN?\r\n*IDN?\r\n*IDN?\r\n*IDN?\r\n", "MA, IN, 0, VER\r\nMA, IN, 0, VER\r\nMA, IN, 0, VER\r\nMA, IN, 0, VER\r\n");
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output_buffer_clear();
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/* Test one command in multiple buffers */
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TEST_INPUT("*IDN?", "");
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TEST_INPUT("\r\n", "MA, IN, 0, VER\r\n");
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output_buffer_clear();
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/* Test input "timeout" - input with length == 0 */
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TEST_INPUT("*IDN?", "");
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TEST_INPUT("", "MA, IN, 0, VER\r\n");
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output_buffer_clear();
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CU_ASSERT_EQUAL(err_buffer_pos, 0);
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error_buffer_clear();
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// TODO: Compound commands A:B;C -> A:B; A:C
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}
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void testErrorHandling(void) {
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output_buffer_clear();
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error_buffer_clear();
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#define TEST_ERROR(data, output, err_num) { \
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SCPI_Input(&scpi_context, data, strlen(data)); \
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CU_ASSERT_STRING_EQUAL(output, output_buffer); \
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error_buffer_clear(); \
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}
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TEST_ERROR("*IDN?\r\n", "MA, IN, 0, VER\r\n", 0);
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output_buffer_clear();
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TEST_ERROR("IDN?\r\n", "", SCPI_ERROR_UNDEFINED_HEADER);
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TEST_ERROR("*ESE\r\n", "", SCPI_ERROR_MISSING_PARAMETER);
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TEST_ERROR("*IDN? 12\r\n", "MA, IN, 0, VER\r\n", SCPI_ERROR_PARAMETER_NOT_ALLOWED);
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output_buffer_clear();
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// TODO: SCPI_ERROR_INVALID_SEPARATOR
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// TODO: SCPI_ERROR_INVALID_SUFFIX
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// TODO: SCPI_ERROR_SUFFIX_NOT_ALLOWED
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// TODO: SCPI_ERROR_EXECUTION_ERROR
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// TODO: SCPI_ERROR_ILLEGAL_PARAMETER_VALUE
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}
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void testIEEE4882(void) {
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#define TEST_IEEE4882(data, output) { \
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SCPI_Input(&scpi_context, data, strlen(data)); \
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CU_ASSERT_STRING_EQUAL(output, output_buffer); \
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output_buffer_clear(); \
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}
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output_buffer_clear();
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error_buffer_clear();
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TEST_IEEE4882("*CLS\r\n", "");
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TEST_IEEE4882("*ESE 0x20\r\n", "");
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TEST_IEEE4882("*ESE?\r\n", "32\r\n");
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TEST_IEEE4882("*ESR?\r\n", "0\r\n");
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TEST_IEEE4882("*IDN?\r\n", "MA, IN, 0, VER\r\n");
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TEST_IEEE4882("*OPC\r\n", "");
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TEST_IEEE4882("*OPC?\r\n", "1\r\n");
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TEST_IEEE4882("*SRE 0xFF\r\n", "");
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TEST_IEEE4882("*SRE?\r\n", "255\r\n");
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TEST_IEEE4882("*STB?\r\n", "0\r\n");
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TEST_IEEE4882("*ESR?\r\n", "1\r\n");
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srq_val = 0;
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TEST_IEEE4882("ABCD\r\n", ""); /* "Undefined header" cause command error */
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CU_ASSERT_EQUAL(srq_val, 96); /* value of STB as service request */
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TEST_IEEE4882("*STB?\r\n", "96\r\n"); /* Event status register + Service request */
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TEST_IEEE4882("*ESR?\r\n", "32\r\n"); /* Command error */
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TEST_IEEE4882("*STB?\r\n", "0\r\n");
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TEST_IEEE4882("*ESR?\r\n", "0\r\n");
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TEST_IEEE4882("SYST:ERR:NEXT?\r\n", "-113, \"Undefined header\"\r\n");
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TEST_IEEE4882("SYST:ERR:NEXT?\r\n", "0, \"No error\"\r\n");
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RST_executed = FALSE;
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TEST_IEEE4882("*RST\r\n", "");
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CU_ASSERT_EQUAL(RST_executed, TRUE);
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TST_executed = FALSE;
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TEST_IEEE4882("*TST?\r\n", "1\r\n");
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CU_ASSERT_EQUAL(TST_executed, TRUE);
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TEST_IEEE4882("*WAI\r\n", "");
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TEST_IEEE4882("SYSTem:VERSion?\r\n", "1999.0\r\n");
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}
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void testParameters(void) {
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// TODO: test parsin parameters
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// TODO: Int
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// TODO: Double
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// TODO: String
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// TODO: Text
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// TODO: Bool
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// TODO: Choice
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}
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void testResults(void) {
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// TODO: test producing results
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// TODO: String
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// TODO: Int
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// TODO: Double
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// TODO: Text
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// TODO: Bool
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}
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int main() {
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CU_pSuite pSuite = NULL;
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/* Initialize the CUnit test registry */
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if (CUE_SUCCESS != CU_initialize_registry())
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return CU_get_error();
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/* Add a suite to the registry */
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pSuite = CU_add_suite("Parser", init_suite, clean_suite);
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if (NULL == pSuite) {
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CU_cleanup_registry();
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return CU_get_error();
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}
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/* Add the tests to the suite */
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if ((NULL == CU_add_test(pSuite, "Commands handling", testCommandsHandling)) ||
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(NULL == CU_add_test(pSuite, "Error handling", testErrorHandling)) ||
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(NULL == CU_add_test(pSuite, "IEEE 488.2 Mandatory commands", testIEEE4882)) ||
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(NULL == CU_add_test(pSuite, "Parameters", testParameters)) ||
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(NULL == CU_add_test(pSuite, "Results", testResults))
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) {
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CU_cleanup_registry();
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return CU_get_error();
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}
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/* Run all tests using the CUnit Basic interface */
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CU_basic_set_mode(CU_BRM_VERBOSE);
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CU_basic_run_tests();
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CU_cleanup_registry();
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return CU_get_error();
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}
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