[TD-5992] add test case

src/client/tests/CMakeLists.txt

@@ -16,6 +16,6 @@ IF (HEADER_GTEST_INCLUDE_DIR AND (LIB_GTEST_STATIC_DIR OR LIB_GTEST_SHARED_DIR))
 
     AUX_SOURCE_DIRECTORY(${CMAKE_CURRENT_SOURCE_DIR} SOURCE_LIST)
 
-    ADD_EXECUTABLE(cliTest ${SOURCE_LIST})
+    ADD_EXECUTABLE(cliTest setConfigTest ${SOURCE_LIST})
     TARGET_LINK_LIBRARIES(cliTest taos cJson tutil common gtest pthread)
 ENDIF()

src/client/tests/cliTest.cpp

@@ -259,9 +259,6 @@ void validateResultFields() {
 }
 /* test parse time function */
 TEST(testCase, result_field_test) {
-  const char *config = "{\"debugFlag\":\"135\"}";
-  taos_set_config(config);
-  taos_set_config(config);
   taos_options(TSDB_OPTION_CONFIGDIR, "~/first/cfg");
   taos_init();
 

src/client/tests/setConfigTest.c

+#include <gtest/gtest.h>
+#include <inttypes.h>
+
+#include "taos.h"
+#include "tglobal.h"
+
+/* test parse time function */
+TEST(testCase, result_field_test) {
+  const char *config = "{\"debugFlag\":\"131\"}";
+  taos_set_config(config);
+
+  const char *config2 = "{\"debugFlag\":\"199\"}";
+  taos_set_config(config2);     // not take effect
+
+  ASSERT_EQ(taosReadGlobalCfg(), true);   // load file config, not take effect
+  ASSERT_EQ(taosCheckGlobalCfg(), 0);
+
+  SGlobalCfg *cfg = taosGetConfigOption("debugFlag");
+  ASSERT_EQ(cfg->cfgStatus, TAOS_CFG_CSTATUS_OPTION);
+  ASSERT_EQ(*(int32_t*)cfg.ptr, 135);
+}