# Copyright by The HDF Group.
# All rights reserved.
#
# This file is part of HDF5.  The full HDF5 copyright notice, including
# terms governing use, modification, and redistribution, is contained in
# the COPYING file, which can be found at the root of the source code
# distribution tree, or in https://www.hdfgroup.org/licenses.
# If you do not have access to either file, you may request a copy from
# help@hdfgroup.org.
#

cmake_minimum_required (VERSION 3.18)
project (HDF5_TEST_API C)

#------------------------------------------------------------------------------
# Setup testing configuration file
#------------------------------------------------------------------------------
if (HDF5_TEST_API_ENABLE_ASYNC)
  set (H5_API_TEST_HAVE_ASYNC 1)
endif ()

configure_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/H5_api_test_config.h.in
    ${HDF5_TEST_BINARY_DIR}/H5_api_test_config.h
)

#------------------------------------------------------------------------------
# Compile kwsys library and setup TestDriver if requested
#------------------------------------------------------------------------------
if (HDF5_TEST_API_ENABLE_DRIVER)
  add_subdirectory (driver)
endif ()

#------------------------------------------------------------------------------
# Variables, definitions, etc. for API tests
#------------------------------------------------------------------------------
set (HDF5_API_TESTS
    attribute
    dataset
    datatype
    file
    group
    link
    misc
    object
)

if (HDF5_TEST_API_ENABLE_ASYNC)
  set (HDF5_API_TESTS
      ${HDF5_API_TESTS}
      async
  )
endif ()

# Extra HDF5 tests to run. Each entry in the list
# must be a CMake target name for a test executable
# that was added elsewhere in the project
set (HDF5_API_TESTS_EXTRA
  testhdf5
)

# List of files generated by the HDF5 API tests which
# we should attempt to clean up in case the tests failed
# to remove them
# TODO: Run h5delete tool with appropriate env. vars for
# connectors to remove these files
set (HDF5_API_TESTS_FILES
    # Test file used by main tests
    H5_api_test.h5
    # 'file' tests
    test_file.h5
    invalid_params_file.h5
    excl_flag_file.h5
    overlapping_file.h5
    file_permission.h5
    flush_file.h5
    property_list_test_file1.h5
    property_list_test_file2.h5
    intent_test_file.h5
    file_obj_count1.h5
    file_obj_count2.h5
    file_mount.h5
    file_name_retrieval.h5
    filespace_info.h5
    test_file_id.h5
    test_close_degree.h5
    test_free_sections.h5
    file_size.h5
    file_info.h5
    double_group_open.h5
    # 'link' tests
    ext_link_file.h5
    ext_link_file_2.h5
    ext_link_file_3.h5
    ext_link_file_4.h5
    ext_link_file_ping_pong_1.h5
    ext_link_file_ping_pong_2.h5
    ext_link_invalid_params_file.h5
    # 'object' tests
    object_copy_test_file.h5
    # 'async' tests
    H5_api_async_test.h5
    H5_api_async_test_0.h5
    H5_api_async_test_1.h5
    H5_api_async_test_2.h5
    H5_api_async_test_3.h5
    H5_api_async_test_4.h5
)

#-----------------------------------------------------------------------------
# Build the main API test executable
#-----------------------------------------------------------------------------
foreach (api_test ${HDF5_API_TESTS})
  set (HDF5_API_TEST_SRCS
      ${HDF5_API_TEST_SRCS}
      ${CMAKE_CURRENT_SOURCE_DIR}/H5_api_${api_test}_test.c
  )
endforeach ()

set (HDF5_API_TEST_SRCS
    ${HDF5_API_TEST_SRCS}
    ${CMAKE_CURRENT_SOURCE_DIR}/H5_api_test.c
    ${HDF5_TEST_API_SRC_DIR}/H5_api_test_util.c
)

add_executable (h5_api_test ${HDF5_API_TEST_SRCS})
target_include_directories (h5_api_test
    PRIVATE
      "${HDF5_SRC_INCLUDE_DIRS}"
      "${HDF5_TEST_SRC_DIR}"
      "${HDF5_TEST_API_SRC_DIR}"
      "${HDF5_SRC_BINARY_DIR}"
      "${HDF5_TEST_BINARY_DIR}"
)
target_compile_options (h5_api_test PRIVATE "${HDF5_CMAKE_C_FLAGS}")
target_compile_definitions (h5_api_test PRIVATE "${HDF5_TEST_COMPILE_DEFS_PRIVATE}")
# Always prefer linking the shared HDF5 library by default
if (BUILD_SHARED_LIBS)
  TARGET_C_PROPERTIES (h5_api_test SHARED)
  target_link_libraries (h5_api_test PRIVATE ${HDF5_TEST_LIBSH_TARGET})
else ()
  TARGET_C_PROPERTIES (h5_api_test STATIC)
  target_link_libraries (h5_api_test PRIVATE ${HDF5_TEST_LIB_TARGET})
endif ()
set_target_properties (h5_api_test PROPERTIES FOLDER test/API)
# Add Target to clang-format
if (HDF5_ENABLE_FORMATTERS)
  clang_format (HDF5_TEST_h5_api_test_FORMAT h5_api_test)
endif ()

#-----------------------------------------------------------------------------
# Add tests if HDF5 serial testing is enabled
#-----------------------------------------------------------------------------
if (HDF5_TEST_SERIAL)
  # Setup working directories for any external VOL connectors to be tested
  foreach (external_vol_tgt ${HDF5_EXTERNAL_VOL_TARGETS})
    file (MAKE_DIRECTORY "${HDF5_TEST_BINARY_DIR}/${external_vol_tgt}")
  endforeach ()

  if (HDF5_TEST_API_ENABLE_DRIVER)
    if ("${HDF5_TEST_API_SERVER}" STREQUAL "")
      message (FATAL_ERROR "Please set HDF5_TEST_API_SERVER to point to a server executable for the test driver program.")
    endif ()

    # Driver options
    if (HDF5_TEST_API_SERVER_ALLOW_ERRORS)
      set (HDF5_TEST_API_DRIVER_EXTRA_FLAGS --allow-server-errors)
    endif ()
    if (HDF5_TEST_API_CLIENT_HELPER)
      set (HDF5_TEST_API_DRIVER_EXTRA_FLAGS ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
          --client-helper ${HDF5_TEST_API_CLIENT_HELPER}
      )
    endif ()
    if (HDF5_TEST_API_CLIENT_INIT)
      set (HDF5_TEST_API_DRIVER_EXTRA_FLAGS ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
          --client-init ${HDF5_TEST_API_CLIENT_INIT}
      )
    endif ()

    # Add main API tests to test suite
    set (last_api_test "")
    foreach (api_test ${HDF5_API_TESTS})
      add_test (
          NAME h5_api_test_${api_test}
          COMMAND $<TARGET_FILE:h5_api_test_driver>
              --server ${HDF5_TEST_API_SERVER}
              --client $<TARGET_FILE:h5_api_test> ${api_test}
              --serial
              ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
      )
      if ("h5_api_test_${api_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
        set_tests_properties (h5_api_test_${api_test} PROPERTIES DISABLED true)
      endif ()
      set_tests_properties (h5_api_test_${api_test} PROPERTIES DEPENDS "${last_api_test}")

      set (last_api_test "h5_api_test_${api_test}")
    endforeach ()

    # Hook external tests to same test suite
    foreach (ext_api_test ${HDF5_API_EXT_SERIAL_TESTS})
      add_test (
          NAME h5_api_ext_test_${ext_api_test}
          COMMAND $<TARGET_FILE:h5_api_test_driver>
              --server ${HDF5_TEST_API_SERVER}
              --client $<TARGET_FILE:${ext_api_test}>
              --serial
              ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
      )
      if ("h5_api_ext_test_${ext_api_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
        set_tests_properties (h5_api_ext_test_${ext_api_test} PROPERTIES DISABLED true)
      endif ()
    endforeach ()

    if (BUILD_SHARED_LIBS)
      # Add tests for each external VOL connector that was built,
      # but only if executables that were linked to a shared HDF5
      # library are available, since static executables will cause
      # issues when VOL connectors are loaded dynamically
      foreach (external_vol_tgt ${HDF5_EXTERNAL_VOL_TARGETS})
        # Determine environment variables that need to be set for testing
        set (vol_test_env "")
        set (vol_plugin_paths "${CMAKE_BINARY_DIR}/${HDF5_INSTALL_BIN_DIR}")

        get_target_property (vol_test_string "${external_vol_tgt}" HDF5_VOL_NAME)
        list (APPEND vol_test_env "HDF5_VOL_CONNECTOR=${vol_test_string}")

        get_target_property (vol_lib_targets "${external_vol_tgt}" HDF5_VOL_TARGETS)
        foreach (lib_target ${vol_lib_targets})
          get_target_property (lib_target_output_dir "${lib_target}" LIBRARY_OUTPUT_DIRECTORY)
          if (NOT "${lib_target_output_dir}" STREQUAL "lib_target_output_dir-NOTFOUND"
              AND NOT "${lib_target_output_dir}" STREQUAL ""
              AND NOT "${lib_target_output_dir}" STREQUAL "${CMAKE_BINARY_DIR}/${HDF5_INSTALL_BIN_DIR}")
            set (vol_plugin_paths "${vol_plugin_paths}${CMAKE_SEP}${lib_target_output_dir}")
          endif ()
        endforeach ()

        list (APPEND vol_test_env "HDF5_PLUGIN_PATH=${vol_plugin_paths}")

        # Add main API tests to test suite
        set (last_api_test "")
        foreach (api_test ${HDF5_API_TESTS})
          add_test (
              NAME ${external_vol_tgt}-h5_api_test_${api_test}
              COMMAND $<TARGET_FILE:h5_api_test_driver>
                  --server ${HDF5_TEST_API_SERVER}
                  --client $<TARGET_FILE:h5_api_test> ${api_test}
                  --serial
                  ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
          )
          set_tests_properties (${external_vol_tgt}-h5_api_test_${api_test}
              PROPERTIES
                ENVIRONMENT "${vol_test_env}"
                WORKING_DIRECTORY ${HDF5_TEST_BINARY_DIR}/${external_vol_tgt}
                DEPENDS "${last_api_test}"
          )
          if ("${external_vol_tgt}-h5_api_test_${api_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
            set_tests_properties (${external_vol_tgt}-h5_api_test_${api_test} PROPERTIES DISABLED true)
          endif ()
          set (last_api_test "${external_vol_tgt}-h5_api_test_${api_test}")
        endforeach ()

        # Add any extra HDF5 tests to test suite
        foreach (hdf5_test ${HDF5_API_TESTS_EXTRA})
          add_test (
              NAME ${external_vol_tgt}-h5_api_test_${hdf5_test}
              COMMAND $<TARGET_FILE:h5_api_test_driver>
                  --server ${HDF5_TEST_API_SERVER}
                  --client $<TARGET_FILE:${hdf5_test}>
                  --serial
                  ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
          )
          set_tests_properties (${external_vol_tgt}-h5_api_test_${hdf5_test}
              PROPERTIES
                ENVIRONMENT "${vol_test_env}"
                WORKING_DIRECTORY ${HDF5_TEST_BINARY_DIR}/${external_vol_tgt}
          )
          if ("${external_vol_tgt}-h5_api_test_${hdf5_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
            set_tests_properties (${external_vol_tgt}-h5_api_test_${hdf5_test} PROPERTIES DISABLED true)
          endif ()
        endforeach ()

        # Hook external tests to same test suite
        foreach (ext_api_test ${HDF5_API_EXT_SERIAL_TESTS})
          add_test (
              NAME ${external_vol_tgt}-h5_api_ext_test_${ext_api_test}
              COMMAND $<TARGET_FILE:h5_api_test_driver>
                  --server ${HDF5_TEST_API_SERVER}
                  --client $<TARGET_FILE:${ext_api_test}>
                  --serial
                  ${HDF5_TEST_API_DRIVER_EXTRA_FLAGS}
          )
          set_tests_properties (${external_vol_tgt}-h5_api_ext_test_${ext_api_test}
              PROPERTIES
                ENVIRONMENT "${vol_test_env}"
                WORKING_DIRECTORY ${HDF5_TEST_BINARY_DIR}/${external_vol_tgt}
          )
        endforeach ()
      endforeach ()
    endif ()
  else ()
    # Add main API tests to test suite
    set (last_api_test "")
    foreach (api_test ${HDF5_API_TESTS})
      add_test (
          NAME h5_api_test_${api_test}
          COMMAND $<TARGET_FILE:h5_api_test> ${api_test}
      )
      if ("h5_api_test_${api_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
        set_tests_properties (h5_api_test_${api_test} PROPERTIES DISABLED true)
      endif ()
      set_tests_properties (h5_api_test_${api_test} PROPERTIES DEPENDS "${last_api_test}")

      set (last_api_test "h5_api_test_${api_test}")
    endforeach ()

    # Hook external tests to same test suite
    foreach (ext_api_test ${HDF5_API_EXT_SERIAL_TESTS})
      add_test (
          NAME h5_api_ext_test_${ext_api_test}
          COMMAND $<TARGET_FILE:${ext_api_test}>
      )
      if ("h5_api_ext_test_${ext_api_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
        set_tests_properties (h5_api_ext_test_${ext_api_test} PROPERTIES DISABLED true)
      endif ()
    endforeach ()

    if (BUILD_SHARED_LIBS)
      # Add tests for each external VOL connector that was built,
      # but only if executables that were linked to a shared HDF5
      # library are available, since static executables will cause
      # issues when VOL connectors are loaded dynamically
      foreach (external_vol_tgt ${HDF5_EXTERNAL_VOL_TARGETS})
        # Determine environment variables that need to be set for testing
        set (vol_test_env "")
        set (vol_plugin_paths "${CMAKE_BINARY_DIR}/${HDF5_INSTALL_BIN_DIR}")

        get_target_property (vol_test_string "${external_vol_tgt}" HDF5_VOL_NAME)
        list (APPEND vol_test_env "HDF5_VOL_CONNECTOR=${vol_test_string}")

        get_target_property (vol_lib_targets "${external_vol_tgt}" HDF5_VOL_TARGETS)
        foreach (lib_target ${vol_lib_targets})
          get_target_property (lib_target_output_dir "${lib_target}" LIBRARY_OUTPUT_DIRECTORY)
          if (NOT "${lib_target_output_dir}" STREQUAL "lib_target_output_dir-NOTFOUND"
              AND NOT "${lib_target_output_dir}" STREQUAL ""
              AND NOT "${lib_target_output_dir}" STREQUAL "${CMAKE_BINARY_DIR}/${HDF5_INSTALL_BIN_DIR}")
            set (vol_plugin_paths "${vol_plugin_paths}${CMAKE_SEP}${lib_target_output_dir}")
          endif ()
        endforeach ()

        list (APPEND vol_test_env "HDF5_PLUGIN_PATH=${vol_plugin_paths}")

        # Add main API tests to test suite
        set (last_api_test "")
        foreach (api_test ${HDF5_API_TESTS})
          add_test (
              NAME ${external_vol_tgt}-h5_api_test_${api_test}
              COMMAND $<TARGET_FILE:h5_api_test> ${api_test}
          )
          set_tests_properties (${external_vol_tgt}-h5_api_test_${api_test}
              PROPERTIES
                ENVIRONMENT "${vol_test_env}"
                WORKING_DIRECTORY ${HDF5_TEST_BINARY_DIR}/${external_vol_tgt}
                DEPENDS "${last_api_test}"
          )
          if ("${external_vol_tgt}-h5_api_test_${api_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
            set_tests_properties (${external_vol_tgt}-h5_api_test_${api_test} PROPERTIES DISABLED true)
          endif ()
          set (last_api_test "${external_vol_tgt}-h5_api_test_${api_test}")
        endforeach ()

        # Add any extra HDF5 tests to test suite
        foreach (hdf5_test ${HDF5_API_TESTS_EXTRA})
          add_test (
              NAME ${external_vol_tgt}-h5_api_test_${hdf5_test}
              COMMAND $<TARGET_FILE:${hdf5_test}>
          )
          set_tests_properties (${external_vol_tgt}-h5_api_test_${hdf5_test}
              PROPERTIES
                ENVIRONMENT "${vol_test_env}"
                WORKING_DIRECTORY ${HDF5_TEST_BINARY_DIR}/${external_vol_tgt}
          )
          if ("${external_vol_tgt}-h5_api_test_${hdf5_test}" MATCHES "${HDF5_DISABLE_TESTS_REGEX}")
            set_tests_properties (${external_vol_tgt}-h5_api_test_${hdf5_test} PROPERTIES DISABLED true)
          endif ()
        endforeach ()
      endforeach ()
    endif()
  endif ()
endif ()

#-----------------------------------------------------------------------------
# Install the main API test executable and any
# extra HDF5 tests if requested
#-----------------------------------------------------------------------------
if (HDF5_EXPORTED_TARGETS AND HDF5_TEST_API_INSTALL)
  install (
      TARGETS h5_api_test
      EXPORT ${HDF5_EXPORTED_TARGETS}
      DESTINATION ${HDF5_INSTALL_BIN_DIR}
      PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
      COMPONENT tests
  )

  foreach (api_test_extra ${HDF5_API_TESTS_EXTRA})
    if (TARGET ${api_test_extra})
      set_target_properties (${api_test_extra}
          PROPERTIES
            OUTPUT_NAME "h5_api_test_${api_test_extra}"
      )
      install (
          TARGETS ${api_test_extra}
          EXPORT ${HDF5_EXPORTED_TARGETS}
          DESTINATION ${HDF5_INSTALL_BIN_DIR}
          PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
          COMPONENT tests
      )
    endif ()
  endforeach ()
endif ()