DEV: cmake for gtest (#517)

* DEV: cmake for gtest

Author: samir-nasibli

dpnp/backend/CMakeLists.txt

@@ -52,13 +52,15 @@ option(DPNP_STATIC_LIB_ENABLE "Enable build DPNP static library" FALSE)
 option(DPNP_DEBUG_ENABLE "Enable output for DPNP_DEBUG statements" FALSE)
 option(DPNP_INSTALL_STRUCTURED "if FALSE, install package files into same directory" TRUE)
 option(DPNP_SYCL_QUEUE_MGR_ENABLE "Use external manager for SYCL queue" FALSE)
+option(DPNP_BACKEND_TESTS "Enable DPNP tests" FALSE)
 
 message(STATUS "CMAKE_VERSION:                   ${CMAKE_VERSION}")
 message(STATUS "CMAKE_GENERATOR:                 ${CMAKE_GENERATOR}")
 message(STATUS "CMAKE_HOST_SYSTEM_NAME:          ${CMAKE_HOST_SYSTEM_NAME}")
 message(STATUS "DPNP_ONEAPI_ROOT:                ${DPNP_ONEAPI_ROOT}")
 message(STATUS "DPNP_STATIC_LIB_ENABLE:          ${DPNP_STATIC_LIB_ENABLE}")
 message(STATUS "DPNP_DEBUG_ENABLE:               ${DPNP_DEBUG_ENABLE}")
+message(STATUS "DPNP_BACKEND_TESTS:              ${DPNP_BACKEND_TESTS}")
 message(STATUS "DPNP_INSTALL_STRUCTURED:         ${DPNP_INSTALL_STRUCTURED}")
 message(STATUS "DPNP_SYCL_QUEUE_MGR_ENABLE:      ${DPNP_SYCL_QUEUE_MGR_ENABLE}")
 message(STATUS " |- DPNP_QUEUEMGR_INCLUDE_DIR:   ${DPNP_QUEUEMGR_INCLUDE_DIR}")
@@ -186,6 +188,13 @@ endif()
 target_include_directories(dpnp_backend_c PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/include)
 target_include_directories(dpnp_backend_c PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src)
 
+# -----------------------------------------------------------------------------------------------
+# Testing logic...
+# -----------------------------------------------------------------------------------------------
+if(DPNP_BACKEND_TESTS)
+  add_subdirectory(tests)
+endif()
+
 # -----------------------------------------------------------------------------------------------
 # Dependencies logic...
 # -----------------------------------------------------------------------------------------------

dpnp/backend/tests/CMakeLists.txt

@@ -0,0 +1,24 @@
+find_package(GTest REQUIRED)
+
+find_package(Threads REQUIRED)
+
+if(GTEST_FOUND)
+  message(STATUS "Found GTest:     (include: ${GTEST_INCLUDE_DIRS}, library: ${GTEST_LIBRARIES})")
+else()
+  message(FATAL_ERROR "Cannot find Google Test Framework!")
+endif()
+
+if(NOT Threads_FOUND)
+  message(FATAL_ERROR "Cannot find Threads library!")
+endif()
+
+# Emulate autotools like make check target to build tests
+# set(CMAKE_CTEST_COMMAND ctest --progress --output-on-failure -j 4)
+
+enable_testing()
+
+include_directories(${GTEST_INCLUDE_DIR})
+link_directories(${GTEST_LIB_DIR})
+
+add_executable(dpnpc_tests test_random.cpp)
+target_link_libraries(dpnpc_tests GTest::GTest GTest::Main pthread dpnp_backend_c)

scripts/install_system_deps.sh

@@ -26,7 +26,7 @@ python --version
 python3 --version
 
 echo ========================= install extra packages ==========================
-sudo apt-get install cmake valgrind
+sudo apt-get install cmake valgrind libgtest-dev
 
 #echo ========================= install/delete libstdc++-dev ===================
 #sudo apt remove -y gcc-7 g++-7 gcc-8 g++-8 gcc-10 g++-10

utils/command_build_cmake_clib.py

@@ -95,8 +95,12 @@ def run(self):
         config = "Debug" if self.debug else "Release"
 
         cmake_generator = str()
+        enable_tests = "OFF"
+
         if IS_WIN:
             cmake_generator = "-GNinja"
+        if IS_LIN:
+            enable_tests = "ON"
 
         cmake_args = [
             cmake_generator,
@@ -109,7 +113,8 @@ def run(self):
             "-DDPNP_SYCL_QUEUE_MGR_ENABLE:BOOL=" + _dpctrl_exists,
             "-DDPNP_QUEUEMGR_INCLUDE_DIR=" + _dpctrl_include_dir,
             "-DDPNP_QUEUEMGR_LIB_DIR=" + _dpctrl_library_dir,
-            "-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON"
+            "-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON",
+            "-DDPNP_BACKEND_TESTS:BOOL=" + enable_tests
         ]
 
         self.spawn(["cmake"] + cmake_args + [backend_directory])