# SPDX-FileCopyrightText: 2026 fuddlesworth
# SPDX-License-Identifier: LGPL-2.1-or-later

find_package(Qt6 6.10 REQUIRED COMPONENTS Test)

# CMAKE_CURRENT_LIST_DIR, not CMAKE_SOURCE_DIR: the latter is the repo root
# in-tree but this LIBRARY's directory in a standalone configure, so the include
# looked for <tier>/libs/<lib>/cmake/PhosphorTestIsolation.cmake and hard-failed at
# generate time. The relative walk reaches the repo root from either. The EXISTS
# guard covers the remaining case, a genuine extracted `git subtree split` where
# the repo-root module is not in the subtree at all.
if(EXISTS "${CMAKE_CURRENT_LIST_DIR}/../../../../cmake/PhosphorTestIsolation.cmake")
    include(${CMAKE_CURRENT_LIST_DIR}/../../../../cmake/PhosphorTestIsolation.cmake)
else()
    # Stand-ins so the call sites below need no guard of their own.
    # phosphor_append_test_environment is reproduced EXACTLY, because it is
    # self-contained and because callers use it for things like
    # QT_QPA_PLATFORM=offscreen that the tests need to pass at all — a no-op
    # there would break them rather than merely un-isolate them. The isolation
    # helper degrades to nothing: its private D-Bus session and XDG sandbox need
    # module-level state that does not exist without the module.
    function(phosphor_apply_test_isolation _target)
    endfunction()
    function(phosphor_append_test_environment _test_name)
        set_property(TEST ${_test_name} APPEND PROPERTY ENVIRONMENT ${ARGN})
    endfunction()
endif()

function(phosphorsurface_add_test name)
    add_executable(${name} ${name}.cpp)
    target_link_libraries(${name}
        PRIVATE
            PhosphorSurface::PhosphorSurface
            Qt6::Core
            Qt6::Gui
            Qt6::Test
    )
    add_test(NAME ${name} COMMAND ${name})
    phosphor_apply_test_isolation(${name})
    set_property(TEST ${name} APPEND PROPERTY LABELS "phosphorsurface")
    # Qt requires an offscreen platform plugin when tests run under CI
    # without a display server.
    # APPEND, never PROPERTIES ENVIRONMENT: a plain set would replace the XDG
    # sandbox phosphor_apply_test_isolation just installed.
    phosphor_append_test_environment(${name} "QT_QPA_PLATFORM=offscreen")
endfunction()

phosphorsurface_add_test(test_surfaceuniformprofile)
phosphorsurface_add_test(test_decorationprofiletree)
# The preset half of the same type, split out when the file above reached the size
# ceiling: per-pack preset references and the withPresetsResolved flatten.
phosphorsurface_add_test(test_decorationprofiletree_presets)
phosphorsurface_add_test(test_surfaceshaderregistry)
phosphorsurface_add_test(test_surfacechaincompose)
