Github user zentol commented on a diff in the pull request: https://github.com/apache/flink/pull/4605#discussion_r139482615 --- Diff: flink-connectors/flink-connector-cassandra/src/test/java/org/apache/flink/streaming/connectors/cassandra/CassandraSinkBaseTest.java --- @@ -0,0 +1,469 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.apache.flink.streaming.connectors.cassandra; + +import org.apache.flink.configuration.Configuration; +import org.apache.flink.streaming.api.operators.StreamSink; +import org.apache.flink.streaming.util.OneInputStreamOperatorTestHarness; + +import com.datastax.driver.core.Cluster; +import com.datastax.driver.core.ResultSet; +import com.datastax.driver.core.ResultSetFuture; +import com.datastax.driver.core.Session; +import com.datastax.driver.core.exceptions.NoHostAvailableException; +import com.google.common.util.concurrent.ListenableFuture; + +import org.junit.Assert; +import org.junit.BeforeClass; +import org.junit.Ignore; +import org.junit.Test; +import org.mockito.invocation.InvocationOnMock; +import org.mockito.stubbing.Answer; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.concurrent.ExecutorService; +import java.util.concurrent.Executors; +import java.util.concurrent.TimeUnit; + +import static org.mockito.Mockito.mock; +import static org.powermock.api.mockito.PowerMockito.when; + +/** + * Tests for the {@link CassandraSinkBase}. + */ +public class CassandraSinkBaseTest { + + private static final Logger LOG = LoggerFactory.getLogger(CassandraSinkBaseTest.class); + + private static final String DUMMY_QUERY_STMT = "CQL_Dummy_Stmt"; + + private static final String DUMMY_MESSAGE = "Dummy_msg"; + + private static final int MAX_THREAD_NUM = 3; + + private static final int MAX_THREAD_POOL_SIZE = 2; + + @BeforeClass + public static void doSetUp() throws Exception { --- End diff -- empty method that can be removed
---