fix CTest (#2828)

1. set `WORKING_DIRECTORY` for `runUnitTest_cc` and `runUnitTest_c`
(help find the graph files);
2. set `BUILD_RPATH` for `deepmd_cc`. (help find `deepmd_op`)

Then CTest should work, using either the `ctest` or `cmake --build .
--target test` command.

---------

Signed-off-by: Jinzhe Zeng <jinzhe.zeng@rutgers.edu>

source/api_c/tests/CMakeLists.txt

@@ -11,6 +11,9 @@ target_link_libraries(runUnitTests_c PRIVATE GTest::gtest_main ${LIB_DEEPMD_C}
                                              rt coverage_config)
 target_link_libraries(runUnitTests_c PRIVATE ${LIB_DEEPMD} ${LIB_DEEPMD_CC})
 target_precompile_headers(runUnitTests_c PRIVATE test_utils.h [["deepmd.hpp"]])
-add_test(runUnitTests_c runUnitTests_c)
+add_test(
+  NAME runUnitTests_c
+  COMMAND runUnitTests_c
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 set_target_properties(runUnitTests_c PROPERTIES INSTALL_RPATH "$ORIGIN/../lib")
 install(TARGETS runUnitTests_c DESTINATION bin/)

source/api_cc/CMakeLists.txt

@@ -25,7 +25,8 @@ if(Protobuf_LIBRARY)
 endif()
 
 set_target_properties(
-  ${libname} PROPERTIES INSTALL_RPATH "$ORIGIN;${TensorFlow_LIBRARY_PATH}")
+  ${libname} PROPERTIES INSTALL_RPATH "$ORIGIN;${TensorFlow_LIBRARY_PATH}"
+                        BUILD_RPATH "$ORIGIN/../op")
 target_compile_definitions(${libname} PRIVATE TF_PRIVATE)
 if(CMAKE_TESTING_ENABLED)
   target_link_libraries(${libname} PRIVATE coverage_config)

source/api_cc/tests/CMakeLists.txt

@@ -7,7 +7,10 @@ add_executable(runUnitTests_cc ${TEST_SRC})
 target_link_libraries(runUnitTests_cc GTest::gtest_main ${LIB_DEEPMD_CC} rt
                       coverage_config)
 target_precompile_headers(runUnitTests_cc PRIVATE test_utils.h)
-add_test(runUnitTest_cc runUnitTests_cc)
+add_test(
+  NAME runUnitTest_cc
+  COMMAND runUnitTests_cc
+  WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 set_target_properties(runUnitTests_cc PROPERTIES INSTALL_RPATH "$ORIGIN/../lib")
 target_compile_definitions(runUnitTests_cc PUBLIC ${prec_def})
 install(TARGETS runUnitTests_cc DESTINATION bin/)

source/install/test_cc.sh

@@ -14,13 +14,4 @@ cd ${BUILD_TMP_DIR}
 cmake -DINSTALL_TENSORFLOW=TRUE -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX} -DTENSORFLOW_ROOT=${INSTALL_PREFIX} -DBUILD_TESTING:BOOL=TRUE -DLAMMPS_VERSION=stable_2Aug2023 ..
 cmake --build . -j${NPROC}
 cmake --install .
-
-#------------------
-# go to a subdirectory...
-# TODO: detect directory of graph files
-mkdir -p ${BUILD_TMP_DIR}/exec_tests
-cd ${BUILD_TMP_DIR}/exec_tests
-
-${INSTALL_PREFIX}/bin/runUnitTests_lib
-${INSTALL_PREFIX}/bin/runUnitTests_cc
-${INSTALL_PREFIX}/bin/runUnitTests_c
+ctest --output-on-failure

source/install/test_cc_local.sh

@@ -15,13 +15,4 @@ cd ${BUILD_TMP_DIR}
 cmake -DINSTALL_TENSORFLOW=FALSE -DUSE_TF_PYTHON_LIBS=TRUE -DCMAKE_INSTALL_PREFIX=${INSTALL_PREFIX} -DBUILD_TESTING:BOOL=TRUE -DLAMMPS_VERSION=stable_2Aug2023 ..
 cmake --build . -j${NPROC}
 cmake --install .
-
-#------------------
-# go to a subdirectory...
-# TODO: detect directory of graph files
-mkdir -p ${BUILD_TMP_DIR}/exec_tests
-cd ${BUILD_TMP_DIR}/exec_tests
-
-${INSTALL_PREFIX}/bin/runUnitTests_lib
-${INSTALL_PREFIX}/bin/runUnitTests_cc
-${INSTALL_PREFIX}/bin/runUnitTests_c
+ctest --output-on-failure