org.apache.solr.prometheus.exporter.SolrExporterTest.java Source code

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Here is the source code for org.apache.solr.prometheus.exporter.SolrExporterTest.java

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/*
 * 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.solr.prometheus.exporter;

import org.apache.http.HttpStatus;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.lucene.util.LuceneTestCase.Slow;
import org.apache.solr.client.solrj.impl.CloudSolrClient;
import org.apache.solr.client.solrj.request.ContentStreamUpdateRequest;
import org.junit.Test;

import java.io.File;
import java.net.ServerSocket;
import java.net.URI;
import java.util.Arrays;
import java.util.List;

/**
 * Unit test for SolrExporter.
 */
@Slow
public class SolrExporterTest extends SolrExporterTestBase {

    @Override
    public void setUp() throws Exception {
        super.setUp();
    }

    @Override
    public void tearDown() throws Exception {
        super.tearDown();
    }

    @Test
    public void testExecute() throws Exception {
        // solr client
        CloudSolrClient cloudSolrClient = cluster.getSolrClient();

        int port;
        ServerSocket socket = null;
        try {
            socket = new ServerSocket(0);
            port = socket.getLocalPort();
        } finally {
            socket.close();
        }

        // index sample docs
        File exampleDocsDir = new File(getFile("exampledocs").getAbsolutePath());
        List<File> xmlFiles = Arrays.asList(exampleDocsDir.listFiles((dir, name) -> name.endsWith(".xml")));
        for (File xml : xmlFiles) {
            ContentStreamUpdateRequest req = new ContentStreamUpdateRequest("/update");
            req.addFile(xml, "application/xml");
            cloudSolrClient.request(req, "collection1");
        }
        cloudSolrClient.commit("collection1");

        // start exporter
        SolrExporter solrExporter = new SolrExporter(port, cloudSolrClient,
                getFile("conf/solr-exporter-config.xml").toPath(), 1);
        try {
            solrExporter.start();

            URI uri = new URI("http://localhost:" + String.valueOf(port) + "/metrics");

            CloseableHttpClient httpclient = HttpClients.createDefault();
            CloseableHttpResponse response = null;
            try {
                HttpGet request = new HttpGet(uri);
                response = httpclient.execute(request);

                int expectedHTTPStatusCode = HttpStatus.SC_OK;
                int actualHTTPStatusCode = response.getStatusLine().getStatusCode();
                assertEquals(expectedHTTPStatusCode, actualHTTPStatusCode);
            } finally {
                response.close();
                httpclient.close();
            }
        } finally {
            solrExporter.stop();
        }
    }
}