simplify unit testing setup

.github/workflows/build.yml

@@ -83,7 +83,7 @@ jobs:
           -B build-ci \
           -G Ninja \
           -DDFHACK_BUILD_ARCH=64 \
-          -DBUILD_TESTING:BOOL=ON \
+          -DBUILD_TESTS:BOOL=ON \
           -DBUILD_DEV_PLUGINS:BOOL=${{ matrix.plugins == 'all' }} \
           -DBUILD_SIZECHECK:BOOL=${{ matrix.plugins == 'all' }} \
           -DBUILD_SKELETON:BOOL=${{ matrix.plugins == 'all' }} \
@@ -96,15 +96,13 @@ jobs:
       run: |
         ninja -C build-ci install
         ccache --show-stats
-    - name: Run unit tests
-      id: run_tests1
+    - name: Run cpp unit tests
+      id: run_tests_cpp
       run: |
-        if build-ci/library/tests/test-library; then
-          exit 0
-        fi
-        exit 1
+        ninja -C build-ci && ninja -C build-ci test
+        exit $?
     - name: Run lua tests
-      id: run_tests2
+      id: run_tests_lua
       run: |
         export TERM=dumb
         status=0

CMakeLists.txt

@@ -394,11 +394,10 @@ else()
     endif()
 endif()
 
-if(BUILD_TESTING)
-    message("BUILD TESTS: Core, Scripts")
-    set(BUILD_SCRIPT_TESTS ON FORCE)
-    set(BUILD_CORE_TESTS ON FORCE)
-endif()
+find_package(ZLIB REQUIRED)
+include_directories(depends/protobuf)
+include_directories(depends/lua/include)
+include_directories(depends/md5)
 
 # Support linking against external tinyxml
 # If we find an external tinyxml, set the DFHACK_TINYXML variable to "tinyxml"
@@ -415,11 +414,6 @@ else()
     set(DFHACK_TINYXML "dfhack-tinyxml")
 endif()
 
-find_package(ZLIB REQUIRED)
-
-include_directories(depends/protobuf)
-include_directories(depends/lua/include)
-include_directories(depends/md5)
 include_directories(depends/lodepng)
 include_directories(depends/tthread)
 include_directories(${ZLIB_INCLUDE_DIRS})
@@ -427,42 +421,16 @@ include_directories(depends/clsocket/src)
 include_directories(depends/xlsxio/include)
 add_subdirectory(depends)
 
-
 # Testing with CTest
-if(BUILD_TESTING OR BUILD_CORE_TESTS)
-    macro(dfhack_test name files)
+macro(dfhack_test name files)
     message("dfhack_test(${name}, ${files})")
     add_executable(${name} ${files})
     target_include_directories(${name} PUBLIC depends/googletest/googletest/include)
     target_link_libraries(${name} dfhack gtest)
     set_target_properties(${name} PROPERTIES COMPILE_FLAGS "-Wno-sign-compare")
     add_test(NAME ${name} COMMAND ${name})
-    endmacro()
-    include(CTest)
-endif()
-
-include(CMakeDependentOption)
-cmake_dependent_option(
-        BUILD_SCRIPT_TESTS "Install integration tests in hack/scripts/test" OFF
-        "BUILD_TESTING" OFF)
-mark_as_advanced(FORCE BUILD_TESTS)
-# Handle deprecated BUILD_TESTS option
-option(BUILD_TESTS "Deprecated option; please use BUILD_SCRIPT_TESTS=ON" OFF)
-
-if(BUILD_TESTING OR BUILD_SCRIPT_TESTS)
-    if(EXISTS "${dfhack_SOURCE_DIR}/test/scripts")
-        message(SEND_ERROR "test/scripts must not exist in the dfhack repo since it would conflict with the tests installed from the scripts repo.")
-    endif()
-    install(DIRECTORY ${dfhack_SOURCE_DIR}/test
-            DESTINATION ${DFHACK_DATA_DESTINATION}/scripts)
-    install(FILES ci/test.lua DESTINATION ${DFHACK_DATA_DESTINATION}/scripts)
-else()
-    add_custom_target(test
-            COMMENT "Nothing to do: CMake option BUILD_TESTING is OFF"
-            # Portable NOOP; need to put something here or the comment isn't displayed
-            COMMAND cd
-            )
-endif()
+endmacro()
+include(CTest)
 
 find_package(Git REQUIRED)
 if(NOT GIT_FOUND)
@@ -570,6 +538,16 @@ if(BUILD_DOCS)
     install(FILES "README.html" DESTINATION "${DFHACK_DATA_DESTINATION}")
 endif()
 
+option(BUILD_TESTS "Include tests (currently just installs Lua tests into the scripts folder)" OFF)
+if(BUILD_TESTS)
+    if(EXISTS "${dfhack_SOURCE_DIR}/test/scripts")
+        message(SEND_ERROR "test/scripts must not exist in the dfhack repo since it would conflict with the tests installed from the scripts repo.")
+    endif()
+    install(DIRECTORY ${dfhack_SOURCE_DIR}/test
+            DESTINATION ${DFHACK_DATA_DESTINATION}/scripts)
+    install(FILES ci/test.lua DESTINATION ${DFHACK_DATA_DESTINATION}/scripts)
+endif()
+
 # Packaging with CPack!
 set(DFHACK_PACKAGE_SUFFIX "")
 if(UNIX)

data/CMakeLists.txt

@@ -21,7 +21,7 @@ install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/blueprints/
         FILES_MATCHING PATTERN "*"
                        PATTERN blueprints/library/test EXCLUDE)
 
-if(BUILD_SCRIPT_TESTS)
+if(BUILD_TESTS)
     install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/blueprints/library/test/
             DESTINATION blueprints/library/test
     )

depends/CMakeLists.txt

@@ -3,10 +3,8 @@ add_subdirectory(lodepng)
 add_subdirectory(lua)
 add_subdirectory(md5)
 add_subdirectory(protobuf)
-if(BUILD_CORE_TESTS)
-    add_subdirectory(googletest EXCLUDE_FROM_ALL)
-    set_target_properties(gtest PROPERTIES COMPILE_FLAGS "-Wno-maybe-uninitialized -Wno-sign-compare")
-endif()
+add_subdirectory(googletest)
+set_target_properties(gtest PROPERTIES COMPILE_FLAGS "-Wno-maybe-uninitialized -Wno-sign-compare")
 
 # Don't build tinyxml if it's being externally linked against.
 if(NOT TinyXML_FOUND)

library/CMakeLists.txt

@@ -82,9 +82,7 @@ set(MAIN_SOURCES
     RemoteTools.cpp
 )
 
-if(BUILD_CORE_TESTS)
-    add_subdirectory(tests)
-endif()
+add_subdirectory(tests)
 
 if(WIN32)
     set(CONSOLE_SOURCES Console-windows.cpp)

library/tests/CMakeLists.txt

@@ -1,7 +1,4 @@
-file(GLOB_RECURSE TEST_SOURCES LIST_DIRECTORIES false *test.cpp)
+file(GLOB_RECURSE TEST_SOURCES
+    LIST_DIRECTORIES false
+    *test.cpp)
 dfhack_test(test-library "${TEST_SOURCES}")
-
-# How to get `test` to ensure everything is up to date before running
-# tests? This add_dependencies() fails with:
-#   Cannot add target-level dependencies to non-existent target "test".
-#add_dependencies(test MiscUtils.test)