274 lines
10 KiB
CMake
274 lines
10 KiB
CMake
set(_json_test_cmake_list_file ${CMAKE_CURRENT_LIST_FILE})
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#############################################################################
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# download test data
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#############################################################################
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include(download_test_data)
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# test fixture to download test data
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add_test(NAME "download_test_data" COMMAND ${CMAKE_COMMAND} --build ${CMAKE_BINARY_DIR}
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--target download_test_data
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)
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set_tests_properties(download_test_data PROPERTIES FIXTURES_SETUP TEST_DATA)
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if(JSON_Valgrind)
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find_program(CMAKE_MEMORYCHECK_COMMAND valgrind)
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message(STATUS "Executing test suite with Valgrind (${CMAKE_MEMORYCHECK_COMMAND})")
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set(memcheck_command "${CMAKE_MEMORYCHECK_COMMAND} ${CMAKE_MEMORYCHECK_COMMAND_OPTIONS} --error-exitcode=1 --leak-check=full")
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separate_arguments(memcheck_command)
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endif()
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#############################################################################
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# detect standard support
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#############################################################################
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# C++11 is the minimum required
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set(compiler_supports_cpp_11 TRUE)
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foreach(feature ${CMAKE_CXX_COMPILE_FEATURES})
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if (${feature} STREQUAL cxx_std_14)
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set(compiler_supports_cpp_14 TRUE)
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elseif (${feature} STREQUAL cxx_std_17)
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set(compiler_supports_cpp_17 TRUE)
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elseif (${feature} STREQUAL cxx_std_20)
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set(compiler_supports_cpp_20 TRUE)
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elseif (${feature} STREQUAL cxx_std_23)
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set(compiler_supports_cpp_23 TRUE)
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endif()
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endforeach()
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#############################################################################
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# test functions
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#############################################################################
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#############################################################################
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# json_test_set_test_options(
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# all|<tests>
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# [CXX_STANDARDS all|<args>...]
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# [COMPILE_DEFINITIONS <args>...]
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# [COMPILE_FEATURES <args>...]
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# [COMPILE_OPTIONS <args>...]
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# [LINK_LIBRARIES <args>...]
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# [LINK_OPTIONS <args>...]
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# [TEST_PROPERTIES <args>...])
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#
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# Supply test- and standard-specific build settings and/or test properties.
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# Specify multiple tests using a list e.g., "test-foo;test-bar".
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#
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# Must be called BEFORE the test is created.
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#############################################################################
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function(json_test_set_test_options tests)
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cmake_parse_arguments(args "" ""
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"CXX_STANDARDS;COMPILE_DEFINITIONS;COMPILE_FEATURES;COMPILE_OPTIONS;LINK_LIBRARIES;LINK_OPTIONS;TEST_PROPERTIES"
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${ARGN})
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if(NOT args_CXX_STANDARDS)
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set(args_CXX_STANDARDS "all")
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endif()
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foreach(test ${tests})
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if("${test}" STREQUAL "all")
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set(test "")
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endif()
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foreach(cxx_standard ${args_CXX_STANDARDS})
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if("${cxx_standard}" STREQUAL "all")
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if("${test}" STREQUAL "")
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message(FATAL_ERROR "Not supported. Change defaults in: ${_json_test_cmake_list_file}")
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endif()
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set(test_interface _json_test_interface_${test})
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else()
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set(test_interface _json_test_interface_${test}_cpp_${cxx_standard})
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endif()
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if(NOT TARGET ${test_interface})
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add_library(${test_interface} INTERFACE)
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endif()
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target_compile_definitions(${test_interface} INTERFACE ${args_COMPILE_DEFINITIONS})
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target_compile_features(${test_interface} INTERFACE ${args_COMPILE_FEATURES})
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target_compile_options(${test_interface} INTERFACE ${args_COMPILE_OPTIONS})
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target_link_libraries (${test_interface} INTERFACE ${args_LINK_LIBRARIES})
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target_link_options(${test_interface} INTERFACE ${args_LINK_OPTIONS})
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#set_target_properties(${test_interface} PROPERTIES JSON_TEST_PROPERTIES "${args_TEST_PROPERTIES}")
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set_property(DIRECTORY PROPERTY
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${test_interface}_TEST_PROPERTIES "${args_TEST_PROPERTIES}"
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)
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endforeach()
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endforeach()
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endfunction()
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# for internal use by _json_test_add_test()
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function(_json_test_apply_test_properties test_target properties_target)
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#get_target_property(test_properties ${properties_target} JSON_TEST_PROPERTIES)
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get_property(test_properties DIRECTORY PROPERTY ${properties_target}_TEST_PROPERTIES)
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if(test_properties)
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set_tests_properties(${test_target} PROPERTIES ${test_properties})
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endif()
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endfunction()
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# for internal use by json_test_add_test_for()
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function(_json_test_add_test test_name file main cxx_standard)
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set(test_target ${test_name}_cpp${cxx_standard})
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if(TARGET ${test_target})
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message(FATAL_ERROR "Target ${test_target} has already been added.")
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endif()
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add_executable(${test_target} ${file})
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target_link_libraries(${test_target} PRIVATE ${main})
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# set and require C++ standard
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set_target_properties(${test_target} PROPERTIES
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CXX_STANDARD ${cxx_standard}
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CXX_STANDARD_REQUIRED ON
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)
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# apply standard-specific build settings
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if(TARGET _json_test_interface__cpp_${cxx_standard})
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target_link_libraries(${test_target} PRIVATE _json_test_interface__cpp_${cxx_standard})
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endif()
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# apply test-specific build settings
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if(TARGET _json_test_interface_${test_name})
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target_link_libraries(${test_target} PRIVATE _json_test_interface_${test_name})
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endif()
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# apply test- and standard-specific build settings
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if(TARGET _json_test_interface_${test_name}_cpp_${cxx_standard})
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target_link_libraries(${test_target} PRIVATE
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_json_test_interface_${test_name}_cpp_${cxx_standard}
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)
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endif()
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if (JSON_FastTests)
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add_test(NAME ${test_target}
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COMMAND ${test_target} ${DOCTEST_TEST_FILTER}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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else()
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add_test(NAME ${test_target}
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COMMAND ${test_target} ${DOCTEST_TEST_FILTER} --no-skip
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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endif()
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set_tests_properties(${test_target} PROPERTIES LABELS "all" FIXTURES_REQUIRED TEST_DATA)
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# apply standard-specific test properties
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if(TARGET _json_test_interface__cpp_${cxx_standard})
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_json_test_apply_test_properties(${test_target} _json_test_interface__cpp_${cxx_standard})
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endif()
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# apply test-specific test properties
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if(TARGET _json_test_interface_${test_name})
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_json_test_apply_test_properties(${test_target} _json_test_interface_${test_name})
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endif()
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# apply test- and standard-specific test properties
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if(TARGET _json_test_interface_${test_name}_cpp_${cxx_standard})
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_json_test_apply_test_properties(${test_target}
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_json_test_interface_${test_name}_cpp_${cxx_standard}
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)
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endif()
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if(JSON_Valgrind)
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add_test(NAME ${test_target}_valgrind
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COMMAND ${memcheck_command} $<TARGET_FILE:${test_target}> ${DOCTEST_TEST_FILTER}
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WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
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)
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set_tests_properties(${test_target}_valgrind PROPERTIES
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LABELS "valgrind" FIXTURES_REQUIRED TEST_DATA
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)
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endif()
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endfunction()
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#############################################################################
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# json_test_add_test_for(
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# <file>
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# [NAME <name>]
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# MAIN <main>
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# [CXX_STANDARDS <version_number>...] [FORCE])
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#
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# Given a <file> unit-foo.cpp, produces
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#
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# test-foo_cpp<version_number>
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#
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# if C++ standard <version_number> is supported by the compiler and the
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# source file contains JSON_HAS_CPP_<version_number>.
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# Use NAME <name> to override the filename-derived test name.
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# Use FORCE to create the test regardless of the file containing
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# JSON_HAS_CPP_<version_number>.
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# Test targets are linked against <main>.
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# CXX_STANDARDS defaults to "11".
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#############################################################################
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function(json_test_add_test_for file)
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cmake_parse_arguments(args "FORCE" "MAIN;NAME" "CXX_STANDARDS" ${ARGN})
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if("${args_MAIN}" STREQUAL "")
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message(FATAL_ERROR "Required argument MAIN <main> missing.")
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endif()
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if("${args_NAME}" STREQUAL "")
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get_filename_component(file_basename ${file} NAME_WE)
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string(REGEX REPLACE "unit-([^$]+)" "test-\\1" test_name ${file_basename})
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else()
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set(test_name ${args_NAME})
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if(NOT test_name MATCHES "test-[^$]+")
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message(FATAL_ERROR "Test name must start with 'test-'.")
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endif()
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endif()
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if("${args_CXX_STANDARDS}" STREQUAL "")
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set(args_CXX_STANDARDS 11)
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endif()
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file(READ ${file} file_content)
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foreach(cxx_standard ${args_CXX_STANDARDS})
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if(NOT compiler_supports_cpp_${cxx_standard})
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continue()
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endif()
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# add unconditionally if C++11 (default) or forced
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if(NOT ("${cxx_standard}" STREQUAL 11 OR args_FORCE))
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string(FIND "${file_content}" JSON_HAS_CPP_${cxx_standard} has_cpp_found)
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if(${has_cpp_found} EQUAL -1)
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continue()
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endif()
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endif()
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_json_test_add_test(${test_name} ${file} ${args_MAIN} ${cxx_standard})
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endforeach()
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endfunction()
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#############################################################################
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# json_test_should_build_32bit_test(
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# <build_32bit_var> <build_32bit_only_var> <input>)
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#
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# Check if the 32bit unit test should be built based on the value of <input>
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# and store the result in the variables <build_32bit_var> and
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# <build_32bit_only_var>.
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#############################################################################
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function(json_test_should_build_32bit_test build_32bit_var build_32bit_only_var input)
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set(${build_32bit_only_var} OFF PARENT_SCOPE)
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string(TOUPPER "${input}" ${build_32bit_var})
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if("${${build_32bit_var}}" STREQUAL AUTO)
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# check if compiler is targeting 32bit by default
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include(CheckTypeSize)
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check_type_size("size_t" sizeof_size_t LANGUAGE CXX)
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if(${sizeof_size_t} AND ${sizeof_size_t} EQUAL 4)
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message(STATUS "Auto-enabling 32bit unit test.")
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set(${build_32bit_var} ON)
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else()
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set(${build_32bit_var} OFF)
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endif()
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elseif("${${build_32bit_var}}" STREQUAL ONLY)
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set(${build_32bit_only_var} ON PARENT_SCOPE)
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endif()
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set(${build_32bit_var} "${${build_32bit_var}}" PARENT_SCOPE)
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endfunction()
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