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from ducktape.mark.resource import cluster
from kafkatest.tests.kafka_test import KafkaTest
from kafkatest.services.streams import StreamsSmokeTestShutdownDeadlockService


class StreamsShutdownDeadlockTest(KafkaTest):
    """
    Simple test of Kafka Streams.
    """

    def __init__(self, test_context):
        super(StreamsShutdownDeadlockTest, self).__init__(test_context, num_zk=1, num_brokers=1, topics={
            'source' : { 'partitions': 1, 'replication-factor': 1 }
        })

        self.driver = StreamsSmokeTestShutdownDeadlockService(test_context, self.kafka)

    @cluster(num_nodes=3)
    def test_shutdown_wont_deadlock(self):
        """
        Start ShutdownDeadLockTest, wait for upt to 1 minute, and check that the process exited.
        If it hasn't exited then fail as it is deadlocked
        """

        self.driver.start()

        self.driver.wait(timeout_sec=60)

        self.driver.stop_nodes(clean_shutdown=False)

        self.driver.stop()

