#!/usr/bin/env python3
#
# SPDX-FileCopyrightText: 2013 Jérémie Galarneau <jeremie.galarneau@efficios.com>
# SPDX-FileCopyrightText: 2015 Antoine Busque <abusque@efficios.com>
# SPDX-FileCopyrightText: 2025 Kienan Stewart <kstewart@efficios.com>
#
# SPDX-License-Identifier: GPL-2.0-only

import os
import pathlib
import shutil
import subprocess
import sys

# Import in-tree test utils
test_utils_import_path = pathlib.Path(__file__).absolute().parents[3] / "utils"
sys.path.append(str(test_utils_import_path))

import lttngtest
import bt2


def test(tap, test_env):
    expected_events = [
        "lttng_ust_statedump:start",
        "lttng_ust_statedump:bin_info",
        "lttng_ust_statedump:build_id",
        "lttng_ust_statedump:debug_link",
        "lttng_ust_statedump:end",
    ]

    test_path = os.path.dirname(os.path.abspath(__file__)) + "/"
    output_path = test_env.create_temporary_directory("trace")
    client = lttngtest.LTTngClient(test_env, log=tap.diagnostic)
    session = client.create_session(
        output=lttngtest.LocalSessionOutputLocation(output_path)
    )
    channel = session.add_channel(lttngtest.lttngctl.TracingDomain.User)
    channel.add_recording_rule(lttngtest.lttngctl.UserTracepointEventRule("*"))
    session.start()

    test_process = test_env.launch_test_application(
        os.path.join(test_path, "prog.strip"),
    )
    test_process.wait_for_exit()
    session.stop()

    received_events = {x: 0 for x in expected_events}
    for msg in bt2.TraceCollectionMessageIterator(str(output_path)):
        if type(msg) is bt2._EventMessageConst:
            if msg.event.name in expected_events:
                received_events[msg.event.name] += 1

    for event, count in received_events.items():
        tap.test(count > 0, "Event '{}' has at least 1 event".format(event))


if __name__ == "__main__":
    tap = lttngtest.TapGenerator(5)
    with lttngtest.test_environment(with_sessiond=True, log=tap.diagnostic) as test_env:
        test(tap, test_env)

    sys.exit(0 if tap.is_successful else 1)
