enable_testing()

# Download and build Catch2 test framework
Include(FetchContent)
FetchContent_Declare(
	Catch2
	GIT_REPOSITORY https://github.com/catchorg/Catch2.git
	GIT_TAG        v3.5.2
)
FetchContent_MakeAvailable(Catch2)
include(Catch)

# Need filesystem for testing
set(CMAKE_CXX_STANDARD 17)

if (MSVC)
	add_compile_options(/W4 /WX)
else()
	add_compile_options(-Wall -Wextra -Wpedantic -Werror)
endif()

# Code coverage compiler specific
if (GCC)
  add_compile_options(--coverage)
endif()


add_executable(dbcParserTests
	test_dbc.cpp
	test_utils.cpp
	test_parse_message.cpp
	testing_utils/common.cpp
)

target_compile_definitions(dbcParserTests PRIVATE TESTDBCFILES_PATH="${CMAKE_CURRENT_SOURCE_DIR}/dbcs")
target_link_libraries(dbcParserTests PRIVATE dbc Catch2::Catch2WithMain)
target_include_directories(dbcParserTests PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})

catch_discover_tests(dbcParserTests)

# We want a seperate binary for this test. We setup global locals which mess with all of the testing.
# Opting for a sperate test running so we don't conflict
if(DBC_TEST_LOCALE_INDEPENDENCE)
	add_executable(dbcLocaleTests
		locale_testing/test_locale_main.cpp
		testing_utils/common.cpp
	)

	target_compile_definitions(dbcLocaleTests PRIVATE TESTDBCFILES_PATH="${CMAKE_CURRENT_SOURCE_DIR}/dbcs")
	target_link_libraries(dbcLocaleTests PRIVATE dbc Catch2::Catch2WithMain)
	target_include_directories(dbcLocaleTests PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})

catch_discover_tests(dbcLocaleTests)
else()
	message(WARNING "Locale independent testing is turned off!")
endif()

# Again another test binary to ensure we aren't including our other headers.
# It should compile and run on one include
if(DBC_GENERATE_SINGLE_HEADER)
	add_executable(dbcSingleHeaderTest
		single_header_testing/test_single_header.cpp
		testing_utils/common.cpp
	)

	target_compile_definitions(dbcSingleHeaderTest PRIVATE TESTDBCFILES_PATH="${CMAKE_CURRENT_SOURCE_DIR}/dbcs")
	target_link_libraries(dbcSingleHeaderTest PRIVATE Catch2::Catch2WithMain)
	target_include_directories(dbcSingleHeaderTest PRIVATE ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_BINARY_DIR}/single_header/)

	catch_discover_tests(dbcSingleHeaderTest)

	add_dependencies(dbcSingleHeaderTest single_header)
endif()