improve CMakeLists.txt (#8)

CMakeLists.txt

@@ -17,24 +17,23 @@ cmake_minimum_required(VERSION 3.8)
 enable_testing()
 
 option(WITH_TESTING "Include unit testing" ON)
-option(FLUID_PATH "Path to PaddlePaddle Fluid" "")
+set(PADDLE_PYTHON_PATH "" CACHE STRING "Python path to PaddlePaddle Fluid")
 
 function(py_test TARGET_NAME)
-  if(WITH_TESTING)
-    set(options "")
-    set(oneValueArgs "")
-    set(multiValueArgs SRCS DEPS ARGS ENVS)
-    cmake_parse_arguments(py_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
-    add_test(NAME ${TARGET_NAME}
-             COMMAND env PYTHONPATH=.:${py_test_ENVS}
-             python -u ${py_test_SRCS} ${py_test_ARGS}
-             WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
-  endif()
+  set(options "")
+  set(oneValueArgs "")
+  set(multiValueArgs SRCS DEPS ARGS ENVS)
+  cmake_parse_arguments(py_test "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+  add_test(NAME ${TARGET_NAME}
+    COMMAND env PYTHONPATH=.:${py_test_ENVS}
+    python -u ${py_test_SRCS} ${py_test_ARGS}
+    WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 endfunction()
 
-file(GLOB_RECURSE TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")
-string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
-
-foreach(src ${TEST_OPS})
-    py_test(${src} SRCS ${src}.py ENVS ${FLUID_PATH})
-endforeach()
+if (WITH_TESTING)
+  file(GLOB_RECURSE TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")
+  string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
+  foreach(src ${TEST_OPS})
+    py_test(${src} SRCS ${src}.py ENVS ${PADDLE_PYTHON_PATH})
+  endforeach()
+endif()