Add google test to github workflow

Author: djw8605

.github/workflows/ccpp.yml

@@ -38,7 +38,7 @@ jobs:
       # Note the current convention is to use the -S and -B options here to specify source 
       # and build directories, but this is only available with CMake 3.13 and higher.  
       # The CMake binaries on the Github Actions machines are (as of this writing) 3.12
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE
+      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DBUILD_UNITTESTS=yes
 
     - name: Build
       working-directory: ${{runner.workspace}}/build
@@ -51,6 +51,6 @@ jobs:
       shell: bash
       # Execute tests defined by the CMake configuration.  
       # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
-      run: ctest -C $BUILD_TYPE
+      run: ctest -C $BUILD_TYPE --verbose
 
 

CMakeLists.txt

@@ -79,11 +79,9 @@ if( BUILD_UNITTESTS )
 include(ExternalProject)
 ExternalProject_Add(gtest
     PREFIX external/gtest
-    SOURCE_DIR ${PROJECT_SOURCE_DIR}/vendor/gtest
-    BUILD_BYPRODUCTS ${CMAKE_BINARY_DIR}/external/gtest/src/gtest-build/lib/libgtest.a
+    URL file://${PROJECT_SOURCE_DIR}/vendor/gtest
     INSTALL_COMMAND :
 )
-
 enable_testing()
 add_subdirectory(test)
 endif()

test/CMakeLists.txt

@@ -3,4 +3,11 @@ add_executable(scitokens-gtest main.cpp)
 add_dependencies(scitokens-gtest gtest)
 include_directories("${PROJECT_SOURCE_DIR}/vendor/gtest/googletest/include")
 
-target_link_libraries(scitokens-gtest SciTokens "${CMAKE_BINARY_DIR}/external/gtest/src/gtest-build/lib/libgtest.a")
+target_link_libraries(scitokens-gtest SciTokens "${CMAKE_BINARY_DIR}/external/gtest/src/gtest-build/lib/libgtest.a" -lpthread)
+
+add_test(
+  NAME
+    unit
+  COMMAND
+    ${CMAKE_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}/test/scitokens-gtest
+  )