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88 lines
3.5 KiB
88 lines
3.5 KiB
package net.yacy.crawler;
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import java.io.File;
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import java.io.IOException;
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import java.util.Iterator;
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import net.yacy.cora.document.id.DigestURL;
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import net.yacy.cora.util.SpaceExceededException;
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import net.yacy.crawler.retrieval.Request;
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import net.yacy.crawler.robots.RobotsTxt;
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import net.yacy.data.WorkTables;
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import static net.yacy.kelondro.util.FileUtils.deletedelete;
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import org.junit.Test;
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import static org.junit.Assert.*;
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public class HostBalancerTest {
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final File queuesRoot = new File("test/DATA/INDEX/QUEUES");
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final File datadir = new File("test/DATA");
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/**
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* Test of reopen existing HostBalancer cache to test/demonstrate issue with
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* HostQueue for file: protocol
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*/
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@Test
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public void testReopen() throws IOException, SpaceExceededException, InterruptedException {
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boolean exceed134217727 = true;
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int onDemandLimit = 1000;
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String hostDir = "C:\\filedirectory";
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// prepare one urls for push test
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String urlstr = "file:///" + hostDir;
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DigestURL url = new DigestURL(urlstr);
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Request req = new Request(url, null);
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deletedelete(queuesRoot); // start clean test
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HostBalancer hb = new HostBalancer(queuesRoot, onDemandLimit, exceed134217727);
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Thread.sleep(100); // wait for file operation
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hb.clear();
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Thread.sleep(100);
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assertEquals("After clear", 0, hb.size());
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WorkTables wt = new WorkTables(datadir);
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RobotsTxt rob = new RobotsTxt(wt, null, 10);
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String res = hb.push(req, null, rob); // push url
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assertNull(res); // should have no error text
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assertTrue(hb.has(url.hash())); // check existence
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assertEquals("first push of one url", 1, hb.size()); // expected size=1
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res = hb.push(req, null, rob); // push same url (should be rejected = double occurence)
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assertNotNull(res); // should state double occurrence
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assertTrue(hb.has(url.hash()));
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assertEquals("second push of same url", 1, hb.size());
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hb.close(); // close
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Thread.sleep(200); // wait a bit for file operation
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hb = new HostBalancer(queuesRoot, onDemandLimit, exceed134217727); // reopen balancer
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Thread.sleep(200); // wait a bit for file operation
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assertEquals("size after reopen (with one existing url)", 1, hb.size()); // expect size=1 from previous push
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assertTrue("check existance of pushed url", hb.has(url.hash())); // check url exists (it fails as after reopen internal queue.hosthash is wrong)
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res = hb.push(req, null, rob); // push same url as before (should be rejected, but isn't due to hosthash mismatch afte reopen)
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assertNotNull("should state double occurence", res);
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assertEquals("first push of same url after reopen", 1, hb.size()); // should stay size=1
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assertTrue("check existance of pushed url", hb.has(url.hash()));
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res = hb.push(req, null, rob);
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assertNotNull("should state double occurence", res);
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assertTrue("check existance of pushed url", hb.has(url.hash()));
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assertEquals("second push of same url after reopen", 1, hb.size()); // double check, should stay size=1
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// list all urls in hostbalancer
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Iterator<Request> it = hb.iterator();
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while (it.hasNext()) {
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Request rres = it.next();
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System.out.println(rres.toString());
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}
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hb.close();
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}
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}
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