set(libs
    mbedtls
)

if(USE_PKCS11_HELPER_LIBRARY)
    set(libs ${libs} pkcs11-helper)
endif(USE_PKCS11_HELPER_LIBRARY)

if(ENABLE_ZLIB_SUPPORT)
    set(libs ${libs} ${ZLIB_LIBRARIES})
endif(ENABLE_ZLIB_SUPPORT)

find_package(PythonInterp)
if(NOT PYTHONINTERP_FOUND)
    message(FATAL_ERROR "Cannot build test suites without Python 2 or 3")
endif()

# Enable definition of various functions used throughout the testsuite
# (gethostname, strdup, fileno...) even when compiling with -std=c99. Harmless
# on non-POSIX platforms.
add_definitions("-D_POSIX_C_SOURCE=200809L")

# Test suites caught by SKIP_TEST_SUITES are built but not executed.
# "foo" as a skip pattern skips "test_suite_foo" and "test_suite_foo.bar"
# but not "test_suite_foobar".
string(REGEX REPLACE "[ ,;]" "|" SKIP_TEST_SUITES_REGEX "${SKIP_TEST_SUITES}")
string(REPLACE "." "\\." SKIP_TEST_SUITES_REGEX "${SKIP_TEST_SUITES_REGEX}")
set(SKIP_TEST_SUITES_REGEX "^(${SKIP_TEST_SUITES_REGEX})(\$|\\.)")

function(add_test_suite suite_name)
    if(ARGV1)
        set(data_name ${ARGV1})
    else()
        set(data_name ${suite_name})
    endif()

    add_custom_command(
        OUTPUT test_suite_${data_name}.c
        COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_code.py -f ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${suite_name}.function -d ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${data_name}.data -t ${CMAKE_CURRENT_SOURCE_DIR}/suites/main_test.function -p ${CMAKE_CURRENT_SOURCE_DIR}/suites/host_test.function -s ${CMAKE_CURRENT_SOURCE_DIR}/suites --helpers-file ${CMAKE_CURRENT_SOURCE_DIR}/suites/helpers.function -o .
        DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/scripts/generate_test_code.py mbedtls ${CMAKE_CURRENT_SOURCE_DIR}/suites/helpers.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/main_test.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/host_test.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${suite_name}.function ${CMAKE_CURRENT_SOURCE_DIR}/suites/test_suite_${data_name}.data
    )

    include_directories(${CMAKE_CURRENT_SOURCE_DIR})
    add_executable(test_suite_${data_name} test_suite_${data_name}.c)
    target_link_libraries(test_suite_${data_name} ${libs})
    if(${data_name} MATCHES ${SKIP_TEST_SUITES_REGEX})
        message(STATUS "The test suite ${data_name} will not be executed.")
    else()
        add_test(${data_name}-suite test_suite_${data_name} --verbose)
    endif()
endfunction(add_test_suite)

if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function")
endif(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)

if(MSVC)
    # If a warning level has been defined, suppress all warnings for test code
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /W0")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX-")
endif(MSVC)

add_test_suite(debug)
add_test_suite(ssl)
add_test_suite(version)
add_test_suite(x509parse)
add_test_suite(x509write)

# Make scripts and data files needed for testing available in an
# out-of-source build.
if (NOT ${CMAKE_CURRENT_BINARY_DIR} STREQUAL ${CMAKE_CURRENT_SOURCE_DIR})
    if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/seedfile")
        link_to_source(seedfile)
    endif()
    link_to_source(compat.sh)
    link_to_source(data_files)
    link_to_source(scripts)
    link_to_source(ssl-opt.sh)
endif()