io.confluent.connect.hdfs.TestWithMiniDFSCluster.java Source code

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/**
 * Copyright 2015 Confluent Inc.
 *
 * Licensed 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 io.confluent.connect.hdfs;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.hdfs.MiniDFSCluster;
import org.junit.After;
import org.junit.Before;

import java.io.IOException;
import java.util.Map;

public class TestWithMiniDFSCluster extends HdfsSinkConnectorTestBase {

    protected MiniDFSCluster cluster;
    protected FileSystem fs;

    @Before
    public void setUp() throws Exception {
        super.setUp();
        conf = new Configuration();
        cluster = createDFSCluster(conf);
        cluster.waitActive();
        url = "hdfs://" + cluster.getNameNode().getClientNamenodeAddress();
        fs = cluster.getFileSystem();
        Map<String, String> props = createProps();
        connectorConfig = new HdfsSinkConnectorConfig(props);
    }

    @After
    public void tearDown() throws Exception {
        if (fs != null) {
            fs.close();
        }
        if (cluster != null) {
            cluster.shutdown(true);
        }
        super.tearDown();
    }

    private MiniDFSCluster createDFSCluster(Configuration conf) throws IOException {
        MiniDFSCluster cluster;
        String[] hosts = { "localhost", "localhost", "localhost" };
        MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
        builder.hosts(hosts).nameNodePort(9001).numDataNodes(3);
        cluster = builder.build();
        cluster.waitActive();
        return cluster;
    }

    @Override
    protected Map<String, String> createProps() {
        Map<String, String> props = super.createProps();
        props.put(HdfsSinkConnectorConfig.HDFS_URL_CONFIG, url);
        return props;
    }
}