fix CI

Author: facontidavide

.github/workflows/build_ubuntu.yml

@@ -111,7 +111,14 @@ elseif( CATKIN_DEVEL_PREFIX OR CATKIN_BUILD_BINARY_PACKAGE)
     set(BUILD_TOOL_INCLUDE_DIRS ${catkin_INCLUDE_DIRS})
 
 elseif(BUILD_UNIT_TESTS)
-    find_package(GTest REQUIRED)
+    include(FetchContent)
+    FetchContent_Declare(
+      googletest
+      URL https://github.com/google/googletest/archive/609281088cfefc76f9d0ce82e1ff6c30cc3591e5.zip
+    )
+    # For Windows: Prevent overriding the parent project's compiler/linker settings
+    set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+    FetchContent_MakeAvailable(googletest)
 endif()
 
 

.travis.yml

@@ -1,6 +1,6 @@
 ![License MIT](https://img.shields.io/github/license/BehaviorTree/BehaviorTree.CPP?color=blue)
-![Version](https://img.shields.io/badge/version-3.5-blue.svg)
-[![Build Status](https://travis-ci.org/BehaviorTree/BehaviorTree.CPP.svg?branch=master)](https://travis-ci.org/BehaviorTree/BehaviorTree.CPP)
+![Version](https://img.shields.io/badge/version-3.6-blue.svg)
+[![CMake Build](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/build_vanilla.yml/badge.svg)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions/workflows/build_vanilla.yml)
 [![ros1](https://github.com/BehaviorTree/BehaviorTree.CPP/workflows/ros1/badge.svg?branch=master)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions?query=workflow%3Aros1)
 [![ros2](https://github.com/BehaviorTree/BehaviorTree.CPP/workflows/ros2/badge.svg?branch=master)](https://github.com/BehaviorTree/BehaviorTree.CPP/actions?query=workflow%3Aros2)
 [![LGTM Grade](https://img.shields.io/lgtm/grade/cpp/github/BehaviorTree/BehaviorTree.CPP)](https://lgtm.com/projects/g/BehaviorTree/BehaviorTree.CPP/context:cpp)

CMakeLists.txt

@@ -20,10 +20,16 @@ set(BT_TESTS
   gtest_switch.cpp
 )
 
-if (BT_COROUTINES)
-    list(APPEND BT_TESTS  gtest_coroutines.cpp)
+if( BT_COROUTINES )
+    LIST( APPEND BT_TESTS gtest_coroutines.cpp)
 endif()
 
+#if(ament_cmake_FOUND OR catkin_FOUND)
+#    # This test requires gmock. Since we don't have a uniform way to include
+#    # gmock for non-users, it is turned of when build without ros.
+#    list(APPEND BT_TESTS gtest_async_action_node.cpp)
+#endif()
+
 if(ament_cmake_FOUND AND BUILD_TESTING)
 
     find_package(ament_cmake_gtest REQUIRED)
@@ -43,15 +49,13 @@ elseif(catkin_FOUND AND CATKIN_ENABLE_TESTING)
                                                         ${catkin_LIBRARIES})
     target_include_directories(${BEHAVIOR_TREE_LIBRARY}_test PRIVATE gtest/include)
 
-elseif(GTEST_FOUND AND BUILD_UNIT_TESTS)
+elseif(BUILD_UNIT_TESTS)
 
     enable_testing()
 
     add_executable(${BEHAVIOR_TREE_LIBRARY}_test ${BT_TESTS})
     target_link_libraries(${PROJECT_NAME}_test ${BEHAVIOR_TREE_LIBRARY}
-                                                bt_sample_nodes
-                                                ${GTEST_LIBRARIES}
-                                                ${GTEST_MAIN_LIBRARIES})
+                                                bt_sample_nodes gtest gtest_main)
     target_include_directories(${BEHAVIOR_TREE_LIBRARY}_test PRIVATE gtest/include ${GTEST_INCLUDE_DIRS})
 
     add_test(BehaviorTreeCoreTest ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${BEHAVIOR_TREE_LIBRARY}_test)