from __future__ import annotations

from datetime import datetime

from yuxi.channel.lifecycle.context import ChannelLifecycleContext


class TestChannelLifecycleContext:
    def test_default_values(self):
        ctx = ChannelLifecycleContext()
        assert ctx.last_error is None
        assert ctx.reconnect_attempts == 0
        assert ctx.last_connected_at is None
        assert ctx.last_message_at is None
        assert ctx.extra == {}

    def test_extra_is_isolated(self):
        ctx1 = ChannelLifecycleContext()
        ctx2 = ChannelLifecycleContext()
        ctx1.extra["key"] = "value"
        assert ctx2.extra == {}

    def test_set_values(self):
        now = datetime.now()
        ctx = ChannelLifecycleContext(
            last_error="boom",
            reconnect_attempts=3,
            last_connected_at=now,
            last_message_at=now,
            extra={"foo": "bar"},
        )
        assert ctx.last_error == "boom"
        assert ctx.reconnect_attempts == 3
        assert ctx.last_connected_at == now
        assert ctx.last_message_at == now
        assert ctx.extra == {"foo": "bar"}