cmake_minimum_required(VERSION 2.8.12)

# Correct RPATH usage on OS X
set(CMAKE_MACOSX_RPATH TRUE)

if(ENABLE_STATIC AND ENABLE_VALGRIND_TESTS)
    message(WARNING "Can't run C valgrind tests on a static build")
else()
    find_program(VALGRIND_FOUND valgrind)
endif()

configure_file("${PROJECT_SOURCE_DIR}/tests/config.h.in" "${PROJECT_BINARY_DIR}/tests/config.h" ESCAPE_QUOTES @ONLY)
include_directories(SYSTEM ${CMOCKA_INCLUDE_DIR})
include_directories(${PROJECT_BINARY_DIR})

function(ly_add_utest)
    cmake_parse_arguments(ADDTEST "" "NAME;WRAP" "SOURCES" ${ARGN})
    set(TEST_NAME utest_${ADDTEST_NAME})

    add_executable(${TEST_NAME} ${TEST_SOURCES} $<TARGET_OBJECTS:yangobj> $<TARGET_OBJECTS:compat>)
    foreach(TEST_SOURCE ${ADDTEST_SOURCES})
        target_sources(${TEST_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/${TEST_SOURCE})
    endforeach()

    # Set common attributes of all tests
    set_target_properties(${TEST_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/tests")
    target_link_libraries(${TEST_NAME} ${CMOCKA_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} ${PCRE2_LIBRARIES} ${CMAKE_DL_LIBS} m)
    if (NOT APPLE)
        if (ADDTEST_WRAP)
            set_target_properties(${TEST_NAME} PROPERTIES LINK_FLAGS "${ADDTEST_WRAP}")
        endif()
    endif()

    add_test(NAME ${TEST_NAME} COMMAND ${TEST_NAME})
#    set_property(TEST ${test_name} PROPERTY ENVIRONMENT "LIBYANG_EXTENSIONS_PLUGINS_DIR=${CMAKE_BINARY_DIR}/src/extensions")
#    set_property(TEST ${test_name} APPEND PROPERTY ENVIRONMENT "LIBYANG_USER_TYPES_PLUGINS_DIR=${CMAKE_BINARY_DIR}/src/user_types")
    set_property(TEST ${TEST_NAME} APPEND PROPERTY ENVIRONMENT "MALLOC_CHECK_=3")

    if(ENABLE_VALGRIND_TESTS)
        if(VALGRIND_FOUND)
            add_test(${TEST_NAME}_valgrind valgrind --leak-check=full --show-leak-kinds=all --suppressions=${PROJECT_SOURCE_DIR}/tests/ld.supp --error-exitcode=1
               ${CMAKE_BINARY_DIR}/tests/${TEST_NAME})
#            set_property(TEST ${test_name}_valgrind PROPERTY ENVIRONMENT "LIBYANG_EXTENSIONS_PLUGINS_DIR=${CMAKE_BINARY_DIR}/src/extensions")
#            set_property(TEST ${test_name}_valgrind APPEND PROPERTY ENVIRONMENT "LIBYANG_USER_TYPES_PLUGINS_DIR=${CMAKE_BINARY_DIR}/src/user_types")
        else(VALGRIND_FOUND)
            message(WARNING "valgrind executable not found! Disabling memory leaks tests.")
        endif(VALGRIND_FOUND)
    endif(ENABLE_VALGRIND_TESTS)
endfunction(ly_add_utest)

if(ENABLE_COVERAGE)
    # Destination
    set(COVERAGE_DIR        "${CMAKE_BINARY_DIR}/tests/code_coverage/")
    set(COVERAGE_FILE_RAW   "${CMAKE_BINARY_DIR}/tests/coverage_raw.info")
    set(COVERAGE_FILE_CLEAN "${CMAKE_BINARY_DIR}/tests/coverage_clean.info")

    # Add coverage target
    add_custom_target(coverage
        COMMENT "Generating code coverage..."
        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
        # Cleanup code counters
        COMMAND "${PATH_LCOV}" --directory . --zerocounters --quiet

        # Run tests
        COMMAND "${CMAKE_CTEST_COMMAND}" --quiet

        # Capture the counters
        COMMAND "${PATH_LCOV}"
            --directory .
            --rc lcov_branch_coverage=1
            --rc 'lcov_excl_line=assert'
            --capture --quiet
            --output-file "${COVERAGE_FILE_RAW}"
        # Remove coverage of tests, system headers, etc.
        COMMAND "${PATH_LCOV}"
            --remove "${COVERAGE_FILE_RAW}" '${CMAKE_SOURCE_DIR}/tests/*'
            --rc lcov_branch_coverage=1
            --quiet --output-file "${COVERAGE_FILE_CLEAN}"
        # Generate HTML report
        COMMAND "${PATH_GENHTML}"
            --branch-coverage --function-coverage --quiet --title "libyang"
            --legend --show-details --output-directory "${COVERAGE_DIR}"
            "${COVERAGE_FILE_CLEAN}"
        # Delete the counters
        COMMAND "${CMAKE_COMMAND}" -E remove
            ${COVERAGE_FILE_RAW} ${COVERAGE_FILE_CLEAN}
        )

    add_custom_command(TARGET coverage POST_BUILD
        WORKING_DIRECTORY "${CMAKE_BINARY_DIR}/tests"
        COMMENT "To see the code coverage report, open ${COVERAGE_DIR}index.html"
        COMMAND ;
        )
endif()

add_subdirectory(style)
add_subdirectory(utests)
add_subdirectory(fuzz)

set(format_sources ${format_sources} PARENT_SCOPE)