# Copyright (C) 2023 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause

# Starting the test from the build directory, e.g.:
# /path/to/conformance_test_runner tests/manual/protobuf/conformance/tst_protobuf_conformance
# If you use Multi-Config build the path may include config-specific infixes.

if(NOT ENV{QT_PROTOBUF_CONFORMANCE_TEST_RUNNER} STREQUAL "")
    set(QT_PROTOBUF_CONFORMANCE_TEST_RUNNER $ENV{QT_PROTOBUF_CONFORMANCE_TEST_RUNNER})
endif()

find_program(QT_PROTOBUF_CONFORMANCE_TEST_RUNNER
    NAMES
        conformance_test_runner conformance_test_runner.exe
)

if(NOT EXISTS "${QT_PROTOBUF_CONFORMANCE_TEST_RUNNER}")
    message("conformance_test_runner is not found. Set QT_PROTOBUF_CONFORMANCE_TEST_RUNNER"
        " to specify the path to the conformance_test_runner executable. Skipping"
        " tst_protobuf_conformance."
    )
    return()
endif()

if(QT_ALLOW_DOWNLOAD)
    if(QT_PROTOBUF_CONFORMANCE_VERSION)
        set(version "v${QT_PROTOBUF_CONFORMANCE_VERSION}")
    elseif(ENV{QT_PROTOBUF_CONFORMANCE_VERSION})
        set(version "v$ENV{QT_PROTOBUF_CONFORMANCE_VERSION}")
    else()
        set(version "v21.9")
    endif()

    set(protobuf_github_base_url
        "https://raw.githubusercontent.com/protocolbuffers/protobuf/${version}")

    file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/conformance.proto")
    file(DOWNLOAD
        "${protobuf_github_base_url}/conformance/conformance.proto"
        "${CMAKE_CURRENT_BINARY_DIR}/conformance.proto"
        TIMEOUT 10
    )

    file(REMOVE "${CMAKE_CURRENT_BINARY_DIR}/test_messages_proto3.proto")
    file(DOWNLOAD
        "${protobuf_github_base_url}/src/google/protobuf/test_messages_proto3.proto"
        "${CMAKE_CURRENT_BINARY_DIR}/test_messages_proto3.proto"
        TIMEOUT 10
    )
else()
    file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/data/conformance.proto" DESTINATION
        "${CMAKE_CURRENT_BINARY_DIR}")
    file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/data/test_messages_proto3.proto" DESTINATION
        "${CMAKE_CURRENT_BINARY_DIR}")
endif()

add_executable(tst_protobuf_conformance
    tst_protobuf_conformance.cpp
)

qt6_add_protobuf(tst_protobuf_conformance
    PROTO_FILES
        "${CMAKE_CURRENT_BINARY_DIR}/conformance.proto"
        "${CMAKE_CURRENT_BINARY_DIR}/test_messages_proto3.proto"
)

target_compile_definitions(tst_protobuf_conformance
    PRIVATE
        QT_NO_DEBUG_OUTPUT
        QT_NO_INFO_OUTPUT
        QT_NO_WARNING_OUTPUT
)

target_link_libraries(tst_protobuf_conformance PRIVATE Qt6::ProtobufWellKnownTypes)

qt_autogen_tools_initial_setup(tst_protobuf_conformance)

set(test_output_dir "${CMAKE_CURRENT_BINARY_DIR}/results")

add_test(NAME tst_protobuf_conformance
    COMMAND "${QT_PROTOBUF_CONFORMANCE_TEST_RUNNER}"
        --failure_list "${CMAKE_CURRENT_SOURCE_DIR}/expect_failing_tests_v3.21.9.0.txt"
        --output_dir "${CMAKE_CURRENT_BINARY_DIR}"
        $<TARGET_FILE:tst_protobuf_conformance>
    WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
)