GTest has been integrated w/o it's sources in source tree

tests/CMakeLists.txt

@@ -1 +1,2 @@
 add_subdirectory (functional)
+add_subdirectory (unit)

tests/unit/CMakeLists.txt

@@ -0,0 +1,13 @@
+if ("${GMOCK_SOURCE_DIR}" STREQUAL "")
+    message ("GMOCK_SOURCE_DIR variable not set - unit-tests are not available. Use '-DGMOCK_SOURCE_DIR=<path_to_gmock_sources>' param for CMake")
+else ()
+    set (gmock_force_shared_crt true CACHE INTERNAL "")
+    set (BUILD_SHARED_LIBS false CACHE INTERNAL "")
+    add_subdirectory (${GMOCK_SOURCE_DIR} ${CMAKE_BINARY_DIR}/gmock)
+    set (GMOCK_LIBRARIES gmock)
+    set (GMOCK_INCLUDE_DIRS "${GMOCK_SOURCE_DIR}/include"
+	"${GMOCK_SOURCE_DIR}/gtest/include")
+    include_directories (${CMAKE_SOURCE_DIR}/src ${GMOCK_INCLUDE_DIRS} ${GMOCK_SOURCE_DIR})
+
+    add_subdirectory (utils)
+endif ()

tests/unit/utils/CMakeLists.txt

@@ -0,0 +1,5 @@
+set(UTILS_TEST_EXECUTABLE test_utils)
+aux_source_directory("." SRC_TEST_LIST)
+add_executable(${UTILS_TEST_EXECUTABLE} ${SRC_TEST_LIST})
+target_link_libraries(${UTILS_TEST_EXECUTABLE} ${GMOCK_LIBRARIES})
+add_test(test_utils ${UTILS_TEST_EXECUTABLE})

tests/unit/utils/filtered_data.cpp

@@ -0,0 +1,8 @@
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+#include <utils/filtered_data.h>
+
+TEST(FilteredData, construct)
+{
+    EXPECT_NO_THROW(NST::utils::FilteredData());
+}

tests/unit/utils/test_utils.cpp

@@ -0,0 +1,9 @@
+#include <gtest/gtest.h>
+#include <gmock/gmock.h>
+
+int main(int argc, char **argv)
+{
+    setenv("LANG", "C", 1);
+    ::testing::InitGoogleTest(&argc, argv);
+    return RUN_ALL_TESTS();
+}