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from __future__ import annotations

from unittest.mock import MagicMock

import pytest

from airflow.models.dag import DAG
from airflow.providers.redis.hooks.redis import RedisHook
from airflow.providers.redis.operators.redis_publish import RedisPublishOperator
from airflow.utils import timezone

DEFAULT_DATE = timezone.datetime(2017, 1, 1)


@pytest.mark.integration("celery")
class TestRedisPublishOperator:
    def setup_method(self):
        args = {"owner": "airflow", "start_date": DEFAULT_DATE}

        self.dag = DAG("test_redis_dag_id", default_args=args)

        self.mock_context = MagicMock()
        self.channel = "test"

    def test_execute_hello(self):
        operator = RedisPublishOperator(
            task_id="test_task",
            dag=self.dag,
            message="hello",
            channel=self.channel,
            redis_conn_id="redis_default",
        )

        hook = RedisHook(redis_conn_id="redis_default")
        pubsub = hook.get_conn().pubsub()
        pubsub.subscribe(self.channel)

        operator.execute(self.mock_context)
        context_calls = []
        assert self.mock_context["ti"].method_calls == context_calls, "context calls should be same"

        message = pubsub.get_message()
        assert message["type"] == "subscribe"

        message = pubsub.get_message()
        assert message["type"] == "message"
        assert message["data"] == b"hello"

        pubsub.unsubscribe(self.channel)
