diff --git a/paddle/gserver/tests/CMakeLists.txt b/paddle/gserver/tests/CMakeLists.txt
index 24e6cae8e69557c42ed5d437edce101709ca3983..b578a906c2027a1169a0098b93f8d0742920f99d 100644
--- a/paddle/gserver/tests/CMakeLists.txt
+++ b/paddle/gserver/tests/CMakeLists.txt
@@ -1,5 +1,4 @@
 # gserver pacakge unittests
-
 add_simple_unittest(test_LinearChainCRF)
 add_simple_unittest(test_RecurrentLayer)
 
@@ -29,6 +28,26 @@ gserver_test(test_KmaxSeqScore)
 gserver_test(test_Expand)
 gserver_test(test_MaxPoolingWithMaskOutput)
 
+set(PYTHON_PATH 
+   ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d 
+   ${PADDLE_SOURCE_DIR}/python/:${PADDLE_SOURCE_DIR}/paddle/gserver/tests)
+function(gserver_test_with_python TARGET)
+  add_unittest_without_exec(${TARGET} ${TARGET}.cpp)
+  add_test(NAME ${TARGET}
+    COMMAND ${PYTHON_PATH} ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}
+      WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
+endfunction()
+
+gserver_test_with_python(test_PyDataProvider2)
+if(WITH_PYTHON)
+    gserver_test_with_python(test_PyDataProvider)
+endif()
+if(NOT MOBILE_INFERENCE)
+    gserver_test_with_python(test_CompareTwoNets)
+    # TODO(yuyang18): There is some bug in test_RecurrentGradientMachine, I will fix it.
+    gserver_test_with_python(test_RecurrentGradientMachine)
+endif()
+
 ########## test_MKLDNN layers and activations ##########
 if(WITH_MKLDNN)
     add_unittest_without_exec(test_MKLDNN
@@ -36,86 +55,43 @@ if(WITH_MKLDNN)
         MKLDNNTester.cpp
         LayerGradUtil.cpp)
     add_test(NAME test_MKLDNN
-        COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python
-            ${CMAKE_CURRENT_BINARY_DIR}/test_MKLDNN
+        COMMAND ${PYTHON_PATH} ${CMAKE_CURRENT_BINARY_DIR}/test_MKLDNN
             WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
 endif()
 
-############## test_PyDataProvider ########################
-if(WITH_PYTHON)
-    add_unittest_without_exec(test_PyDataProvider
-        test_PyDataProvider.cpp)
-
-    add_test(NAME test_PyDataProvider
-        COMMAND .set_python_path.sh -d ./gserver/tests:${PADDLE_SOURCE_DIR}/python/ ${CMAKE_CURRENT_BINARY_DIR}/test_PyDataProvider
-        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
-endif()
-
 ############### test_WarpCTCLayer #######################
 if(NOT WITH_DOUBLE AND NOT MOBILE_INFERENCE)
     add_unittest_without_exec(test_WarpCTCLayer
         test_WarpCTCLayer.cpp)
-
     add_test(NAME test_WarpCTCLayer
         COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test_WarpCTCLayer --warpctc_dir=${WARPCTC_LIB_DIR}
         WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
 endif()
 
 if(NOT MOBILE_INFERENCE)
-    ################## test_Evaluator #######################
+    ################## test_Evaluator #############
     add_unittest(test_Evaluator
         test_Evaluator.cpp)
       
-    ############### test_RecurrentGradientMachine ###############
-    # TODO(yuyang18): There is some bug in test_RecurrentGradientMachine
-    # I will fix it.
-    add_unittest_without_exec(test_RecurrentGradientMachine
-        test_RecurrentGradientMachine.cpp)
-    add_test(NAME test_RecurrentGradientMachine
-        COMMAND .set_python_path.sh -d
-                ${PADDLE_SOURCE_DIR}/python:${PADDLE_SOURCE_DIR}/paddle/gserver/tests
-                ${CMAKE_CURRENT_BINARY_DIR}/test_RecurrentGradientMachine
-        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
-      
-    ############### test_NetworkCompare ###############
+    ########### test_NetworkCompare ###############
     add_unittest_without_exec(test_NetworkCompare
         test_NetworkCompare.cpp)
     if(WITH_GPU)
-        add_test(NAME test_NetworkCompare
-            COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python ${CMAKE_CURRENT_BINARY_DIR}/test_NetworkCompare --use_gpu=true
-            WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
+        set(use_gpu true)
     else()
-        add_test(NAME test_NetworkCompare
-            COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python ${CMAKE_CURRENT_BINARY_DIR}/test_NetworkCompare --use_gpu=false
-            WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
+        set(use_gpu false)
     endif()
+    add_test(NAME test_NetworkCompare
+        COMMAND ${PYTHON_PATH} ${CMAKE_CURRENT_BINARY_DIR}/test_NetworkCompare --use_gpu=${use_gpu}
+        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
 
-    ################# test_CompareSparse ##################
+    ############ test_CompareSparse ################
     add_unittest_without_exec(test_CompareSparse
         test_CompareSparse.cpp)
     if(NOT ON_TRAVIS)
       add_test(NAME test_CompareSparse
-        COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d
-              ${PADDLE_SOURCE_DIR}/python:${PADDLE_SOURCE_DIR}/paddle/gserver/tests
-                  ./.set_port.sh -p port -n 6
-                      ${CMAKE_CURRENT_BINARY_DIR}/test_CompareSparse
+        COMMAND ${PYTHON_PATH} ./.set_port.sh -p port -n 6
+                ${CMAKE_CURRENT_BINARY_DIR}/test_CompareSparse
         WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
     endif()
-
-    ################ test_CompareTwoNets ######################
-    add_unittest_without_exec(test_CompareTwoNets
-        test_CompareTwoNets.cpp)
-    add_test(NAME test_CompareTwoNets
-      COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d
-            ${PADDLE_SOURCE_DIR}/python:${PADDLE_SOURCE_DIR}/paddle/gserver/tests
-            ${CMAKE_CURRENT_BINARY_DIR}/test_CompareTwoNets
-        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
 endif()
-
-################ test_PyDataProvider2 ######################
-add_unittest_without_exec(test_PyDataProvider2
-        test_PyDataProvider2.cpp)
-add_test(NAME test_PyDataProvider2
-   COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/paddle/gserver/tests:${PADDLE_SOURCE_DIR}/python ${CMAKE_CURRENT_BINARY_DIR}/test_PyDataProvider2
-        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle
-)
diff --git a/paddle/trainer/tests/CMakeLists.txt b/paddle/trainer/tests/CMakeLists.txt
index 2739878b7f2936ea2da689da0b4caa780516ccc1..bd518d8598f5aa7c32298ed2110a96a2743536b3 100644
--- a/paddle/trainer/tests/CMakeLists.txt
+++ b/paddle/trainer/tests/CMakeLists.txt
@@ -1,19 +1,17 @@
-################# test_Compare ############################
-add_unittest_without_exec(test_Compare
-    test_Compare.cpp)
-add_test(NAME test_Compare
-  COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python
-        ${CMAKE_CURRENT_BINARY_DIR}/test_Compare
-    WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
+set(PYTHON_PATH 
+   ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d 
+   ${PADDLE_SOURCE_DIR}/python/:${PADDLE_SOURCE_DIR}/paddle/trainer/tests)
+function(trainer_test TARGET)
+  add_unittest_without_exec(${TARGET} ${TARGET}.cpp)
+  add_test(NAME ${TARGET}
+    COMMAND ${PYTHON_PATH} ${CMAKE_CURRENT_BINARY_DIR}/${TARGET}
+      WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
+endfunction()
 
-################# test_Trainer ###########################
-add_unittest_without_exec(test_Trainer
-    test_Trainer.cpp)
-add_test(NAME test_Trainer
-  COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python/
-        ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python/
-        ${CMAKE_CURRENT_BINARY_DIR}/test_Trainer
-    WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
+trainer_test(test_Compare)
+trainer_test(test_PyDataProviderWrapper)
+trainer_test(test_recurrent_machine_generation)
+trainer_test(test_Trainer)
 
 ############### test_TrainerOnePass ##########################
 if(WITH_PYTHON)
@@ -22,32 +20,13 @@ if(WITH_PYTHON)
   add_unittest_without_exec(test_TrainerOnePass
       test_TrainerOnePass.cpp)
   add_test(NAME test_TrainerOnePass
-    COMMAND  ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d
-          ${PADDLE_SOURCE_DIR}/python/:${PADDLE_SOURCE_DIR}/paddle/trainer/tests
-          ${PADDLE_SOURCE_DIR}/paddle/.set_port.sh -p port ${CMAKE_CURRENT_BINARY_DIR}/test_TrainerOnePass
+    COMMAND ${PYTHON_PATH} ${PADDLE_SOURCE_DIR}/paddle/.set_port.sh -p port 
+          ${CMAKE_CURRENT_BINARY_DIR}/test_TrainerOnePass
       WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
 endif()
 
-################# test_recurrent_machine_generation ###############
-add_unittest_without_exec(test_recurrent_machine_generation
-    test_recurrent_machine_generation.cpp)
-add_test(NAME test_recurrent_machine_generation
-  COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python/
-        ${CMAKE_CURRENT_BINARY_DIR}/test_recurrent_machine_generation
-    WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
-
-#################### test_PyDataProviderWrapper #########################
-add_unittest_without_exec(test_PyDataProviderWrapper
-    test_PyDataProviderWrapper.cpp)
-
-add_test(NAME test_PyDataProviderWrapper
-  COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d
-        ${PADDLE_SOURCE_DIR}/python/:${PADDLE_SOURCE_DIR}/paddle/trainer/tests
-        ${CMAKE_CURRENT_BINARY_DIR}/test_PyDataProviderWrapper
-    WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
-
 #################### test_config_parser #########################
 add_test(NAME test_config_parser
-  COMMAND ${PADDLE_SOURCE_DIR}/paddle/.set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python/
-        ${PYTHON_EXECUTABLE} ${PADDLE_SOURCE_DIR}/paddle/trainer/tests/config_parser_test.py
+  COMMAND ${PYTHON_PATH} ${PYTHON_EXECUTABLE} 
+        ${PADDLE_SOURCE_DIR}/paddle/trainer/tests/config_parser_test.py
     WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)