Merge pull request #50 from PickNikRobotics/fix_build_farm

Fix ament GTest usage

Author: henrygerardmoore

data_tamer_cpp/tests/CMakeLists.txt

@@ -1,20 +1,33 @@
 # look for gtest from ROS, but do not fail if it is not found
 find_package(gtest_vendor QUIET)
 
-# we must have gtest either from the ROS vendor (above) or on the system
-find_package(GTest REQUIRED)
+if(gtest_vendor_FOUND AND DATA_TAMER_BUILD_ROS)
+    find_package(ament_cmake_gtest REQUIRED)
+    ament_add_gtest(datatamer_test
+        dt_tests.cpp
+        custom_types_tests.cpp
+        parser_tests.cpp)
 
-include(GoogleTest)
+    target_include_directories(datatamer_test
+        PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
 
-add_executable(datatamer_test
-    dt_tests.cpp
-    custom_types_tests.cpp
-    parser_tests.cpp)
-gtest_discover_tests(datatamer_test DISCOVERY_MODE PRE_TEST)
+    target_link_libraries(datatamer_test data_tamer)
+else()
+    # we must have gtest either from the ROS vendor (above) or on the system
+    find_package(GTest REQUIRED)
 
-target_include_directories(datatamer_test
- PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
+    include(GoogleTest)
 
-target_link_libraries(datatamer_test data_tamer GTest::gtest_main)
+    add_executable(datatamer_test
+        dt_tests.cpp
+        custom_types_tests.cpp
+        parser_tests.cpp)
+    gtest_discover_tests(datatamer_test DISCOVERY_MODE PRE_TEST)
 
-add_test(NAME datatamer_test COMMAND $<TARGET_FILE:datatamer_test>)
+    target_include_directories(datatamer_test
+        PUBLIC $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>)
+
+    target_link_libraries(datatamer_test data_tamer GTest::gtest_main)
+
+    add_test(NAME datatamer_test COMMAND $<TARGET_FILE:datatamer_test>)
+endif()