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