diff --git a/source/libs/function/CMakeLists.txt b/source/libs/function/CMakeLists.txt
index f44cbe6d63..d69383f69b 100644
--- a/source/libs/function/CMakeLists.txt
+++ b/source/libs/function/CMakeLists.txt
@@ -12,6 +12,25 @@ target_link_libraries(
     PRIVATE os util common nodes
 )
 
+add_executable(runUdf test/runUdf.c)
+target_include_directories(
+        runUdf
+        PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/function"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+target_link_libraries(
+        runUdf
+        PRIVATE os util common nodes function
+)
+
+add_library(udf1 MODULE test/udf1.c)
+target_include_directories(
+        udf1
+        PUBLIC "${CMAKE_SOURCE_DIR}/include/libs/function"
+        PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/inc"
+)
+
+#SET(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/build/bin)
 add_executable(udfd src/udfd.c)
 target_include_directories(
         udfd
@@ -22,4 +41,5 @@ target_include_directories(
 target_link_libraries(
         udfd
         PRIVATE os util common nodes function
-)
\ No newline at end of file
+)
+
diff --git a/source/libs/function/test/runUdf.c b/source/libs/function/test/runUdf.c
new file mode 100644
index 0000000000..b7d651e55e
--- /dev/null
+++ b/source/libs/function/test/runUdf.c
@@ -0,0 +1,45 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "uv.h"
+#include "tudf.h"
+
+int main(int argc, char *argv[]) {
+    startUdfService();
+    uv_sleep(1000);
+    char path[256] = {0};
+    size_t cwdSize = 256;
+    int err = uv_cwd(path, &cwdSize);
+    if (err != 0) {
+        fprintf(stderr, "err cwd: %s\n", uv_strerror(err));
+	    return err;
+    }
+    fprintf(stdout, "current working directory:%s\n", path);
+    strcat(path, "/libudf1.so");
+    SUdfInfo udfInfo = {.udfName="udf1", .path=path};
+
+    UdfHandle handle;
+    setupUdf(&udfInfo, &handle);
+
+    //char state[5000000] = "state";
+    //char input[5000000] = "input";
+    int dataSize = 500;
+    int callCount = 2;
+    if (argc > 1) dataSize = atoi(argv[1]);
+    if (argc > 2) callCount = atoi(argv[2]);
+    char *state = malloc(dataSize);
+    char *input = malloc(dataSize);
+    SUdfDataBlock blockInput = {.data = input, .size = dataSize};
+    SUdfDataBlock blockOutput;
+    char* newState;
+    int32_t newStateSize;
+    for (int l = 0; l < callCount; ++l) {
+        callUdf(handle, 0, state, dataSize, blockInput, &newState, &newStateSize, &blockOutput);
+    }
+    free(state);
+    free(input);
+    teardownUdf(handle);
+
+    stopUdfService();
+}
diff --git a/source/libs/function/test/udf1.c b/source/libs/function/test/udf1.c
new file mode 100644
index 0000000000..15e96e3bd1
--- /dev/null
+++ b/source/libs/function/test/udf1.c
@@ -0,0 +1,20 @@
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "tudf.h"
+
+void udf1(int8_t step, char *state, int32_t stateSize, SUdfDataBlock input,
+          char **newState, int32_t *newStateSize, SUdfDataBlock *output) {
+    fprintf(stdout, "%s, step:%d\n", "udf function called", step);
+    char *newStateBuf = malloc(stateSize);
+    memcpy(newStateBuf, state, stateSize);
+    *newState = newStateBuf;
+    *newStateSize = stateSize;
+
+    char *outputBuf = malloc(input.size);
+    memcpy(outputBuf, input.data, input.size);
+    output->data = outputBuf;
+    output->size = input.size;
+    return;
+}