From 071aec8ec4d11a2ef562470edf396674ed6e6ccb Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周五, 08 11月 2013 20:07:09 +0800
Subject: [PATCH] Introduce test for the whole parser library
---
libscpi/Makefile | 2
libscpi/test/test_lib.c | 314 ++++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 315 insertions(+), 1 deletions(-)
diff --git a/libscpi/Makefile b/libscpi/Makefile
index d20e0a4..9fc5817 100644
--- a/libscpi/Makefile
+++ b/libscpi/Makefile
@@ -35,7 +35,7 @@
TESTS = $(addprefix test/, \
- test_fifo.c test_scpi_utils.c \
+ test_fifo.c test_scpi_utils.c test_lib.c \
)
TESTS_OBJS = $(TESTS:.c=.o)
diff --git a/libscpi/test/test_lib.c b/libscpi/test/test_lib.c
new file mode 100644
index 0000000..650e036
--- /dev/null
+++ b/libscpi/test/test_lib.c
@@ -0,0 +1,314 @@
+/*
+ * 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();
+}
--
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