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// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.prelude.fastsearch;
import com.yahoo.fs4.BasicPacket;
import com.yahoo.fs4.mplex.FS4Channel;
import com.yahoo.fs4.mplex.InvalidChannelException;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.dispatch.InterleavedSearchInvoker;
import com.yahoo.search.dispatch.MockSearchCluster;
import com.yahoo.search.dispatch.ResponseMonitor;
import com.yahoo.search.searchchain.Execution;
import org.hamcrest.Matchers;
import org.junit.Test;
import java.io.IOException;
import java.util.Collections;
import java.util.Optional;
import static org.junit.Assert.assertThat;
public class FS4SearchInvokerTestCase {
@SuppressWarnings("resource")
@Test
public void testThatConnectionErrorsAreReportedImmediately() throws IOException {
var query = new Query("?");
query.setTimeout(1000);
var searcher = mockSearcher();
var cluster = new MockSearchCluster("?", 1, 1);
var fs4invoker = new FS4SearchInvoker(searcher, query, mockFailingChannel(), Optional.empty());
var interleave = new InterleavedSearchInvoker(Collections.singleton(fs4invoker), cluster, null);
long start = System.currentTimeMillis();
interleave.search(query, null);
long elapsed = System.currentTimeMillis() - start;
assertThat("Connection error should fail fast", elapsed, Matchers.lessThan(500L));
}
private static VespaBackEndSearcher mockSearcher() {
return new VespaBackEndSearcher() {
@Override
protected Result doSearch2(Query query, Execution execution) {
return null;
}
@Override
protected void doPartialFill(Result result, String summaryClass) {}
};
}
private static FS4Channel mockFailingChannel() {
return new FS4Channel() {
@Override
public boolean sendPacket(BasicPacket packet) throws InvalidChannelException, IOException {
// pretend there's a connection error
return false;
}
@Override
public void setQuery(Query q) {}
@Override
public void setResponseMonitor(ResponseMonitor<FS4Channel> monitor) {}
@Override
public void close() {}
};
}
}
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