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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.searchchain.test;
import static com.yahoo.search.searchchain.test.SimpleSearchChain.searchChain;
import static org.junit.jupiter.api.Assertions.assertEquals;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import com.yahoo.component.ComponentId;
import com.yahoo.component.Version;
import com.yahoo.component.chain.Chain;
import com.yahoo.search.Query;
import com.yahoo.search.Result;
import com.yahoo.search.Searcher;
import com.yahoo.search.searchchain.Execution;
import com.yahoo.search.searchchain.SearchChain;
import org.junit.jupiter.api.Test;
/**
* Tests basic search chain functionality - creation, inheritance and ordering
*
* @author bratseth
*/
public class SearchChainTestCase {
@Test
void testEmptySearchChain() {
SearchChain empty = new SearchChain(new ComponentId("empty"));
assertEquals("empty", empty.getId().getName());
}
@Test
void testSearchChainCreation() {
assertEquals("test", searchChain.getId().stringValue());
assertEquals("test", searchChain.getId().getName());
assertEquals(Version.emptyVersion, searchChain.getId().getVersion());
assertEquals(new Version(), searchChain.getId().getVersion());
assertEqualMembers(Arrays.asList("one", "two"), searcherNames(searchChain.searchers()));
}
public List<String> searcherNames(Collection<Searcher> searchers) {
List<String> names = new ArrayList<>();
for (Searcher searcher: searchers) {
names.add(searcher.getId().stringValue());
}
Collections.sort(names);
return names;
}
private void assertEqualMembers(List<String> correct,List<?> test) {
assertEquals(new HashSet<>(correct),new HashSet<>(test));
}
@Test
void testSearchChainToStringEmpty() {
assertEquals("chain 'test' []", new Chain<>(new ComponentId("test"), createSearchers(0)).toString());
}
@Test
void testSearchChainToStringVeryShort() {
assertEquals("chain 'test' [s1]", new Chain<>(new ComponentId("test"), createSearchers(1)).toString());
}
@Test
void testSearchChainToStringShort() {
assertEquals("chain 'test' [s1 -> s2 -> s3]", new Chain<>(new ComponentId("test"), createSearchers(3)).toString());
}
@Test
void testSearchChainToStringLong() {
assertEquals("chain 'test' [s1 -> s2 -> ... -> s4]", new Chain<>(new ComponentId("test"), createSearchers(4)).toString());
}
@Test
void testSearchChainToStringVeryLong() {
assertEquals("chain 'test' [s1 -> s2 -> ... -> s10]", new Chain<>(new ComponentId("test"), createSearchers(10)).toString());
}
private List<Searcher> createSearchers(int count) {
List<Searcher> searchers=new ArrayList<>(count);
for (int i=0; i<count; i++)
searchers.add(new TestSearcher("s" + (i+1)));
return searchers;
}
private static class TestSearcher extends Searcher {
private TestSearcher(String id) {
super(new ComponentId(id));
}
public Result search(Query query, Execution execution) {
return execution.search(query);
}
}
}
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