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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.dispatch;
import com.yahoo.search.dispatch.SearchPath.InvalidSearchPathException;
import com.yahoo.search.dispatch.searchcluster.MockSearchCluster;
import com.yahoo.search.dispatch.searchcluster.SearchGroups;
import com.yahoo.search.dispatch.searchcluster.Node;
import org.junit.jupiter.api.Test;
import java.util.Collection;
import java.util.Set;
import java.util.stream.Collectors;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author ollivir
*/
public class SearchPathTest {
@Test
void requreThatSearchPathsAreParsedCorrectly() {
assertEquals(SearchPath.fromString("0/0").get().toString(), "0/0");
assertEquals(SearchPath.fromString("1/0").get().toString(), "1/0");
assertEquals(SearchPath.fromString("0/1").get().toString(), "0/1");
assertEquals(SearchPath.fromString("0,1/2").get().toString(), "0,1/2");
assertEquals(SearchPath.fromString("0,1/1,2").get().toString(), "0,1/1,2");
assertEquals(SearchPath.fromString("[0,1>/2").get().toString(), "0/2");
assertEquals(SearchPath.fromString("[0,1>/[2,3>").get().toString(), "0/2");
assertEquals(SearchPath.fromString("[0,2>/2").get().toString(), "[0,2>/2");
assertEquals(SearchPath.fromString("[0,2>/[0,2>").get().toString(), "[0,2>/[0,2>");
assertEquals(SearchPath.fromString("[0,1>,1/2").get().toString(), "0,1/2");
assertEquals(SearchPath.fromString("[0,1>,1/[0,1>,1").get().toString(), "0,1/0,1");
assertEquals(SearchPath.fromString("*/2").get().toString(), "/2");
assertEquals(SearchPath.fromString("1,*/2").get().toString(), "/2");
assertEquals(SearchPath.fromString("1").get().toString(), "1");
assertEquals(SearchPath.fromString("1/").get().toString(), "1");
assertEquals(SearchPath.fromString("1/*").get().toString(), "1");
}
@Test
void requreThatWildcardsAreDetected() {
assertFalse(SearchPath.fromString("").isPresent());
assertFalse(SearchPath.fromString("*/*").isPresent());
assertFalse(SearchPath.fromString("/").isPresent());
assertFalse(SearchPath.fromString("/*").isPresent());
assertFalse(SearchPath.fromString("//").isPresent());
}
@Test
void invalidRangeMustThrowException() {
try {
SearchPath.fromString("[p,0>/0");
fail("Expected exception");
}
catch (InvalidSearchPathException e) {
// success
}
}
@Test
void invalidPartMustThrowException() {
try {
SearchPath.fromString("p/0");
fail("Expected exception");
}
catch (InvalidSearchPathException e) {
// success
}
}
@Test
void invalidRowMustThrowException() {
try {
SearchPath.fromString("1,2,3/r");
fail("Expected exception");
}
catch (InvalidSearchPathException e) {
// success
}
}
private void verifyRandomGroup(SearchGroups cluster, String searchPath, Set<?> possibleSolutions) {
for (int i=0; i < 100; i++) {
String nodes = distKeysAsString(SearchPath.selectNodes(searchPath, cluster));
assertTrue(possibleSolutions.contains(nodes));
}
}
@Test
void searchPathMustFilterNodesBasedOnDefinition() {
SearchGroups cluster = MockSearchCluster.buildGroupListForTest(3, 3, 100);
assertEquals(distKeysAsString(SearchPath.selectNodes("1/1", cluster)), "4");
assertEquals(distKeysAsString(SearchPath.selectNodes("/1", cluster)), "3,4,5");
assertEquals(distKeysAsString(SearchPath.selectNodes("0,1/2", cluster)), "6,7");
assertEquals(distKeysAsString(SearchPath.selectNodes("[1,3>/1", cluster)), "4,5");
assertEquals(distKeysAsString(SearchPath.selectNodes("[1,88>/1", cluster)), "4,5");
verifyRandomGroup(cluster, "[1,88>/", Set.of("1,2", "4,5", "7,8"));
verifyRandomGroup(cluster, "[1,88>/0", Set.of("1,2"));
verifyRandomGroup(cluster, "[1,88>/2", Set.of("7,8"));
verifyRandomGroup(cluster, "[1,88>/0,2", Set.of("1,2", "7,8"));
}
private static String distKeysAsString(Collection<Node> nodes) {
return nodes.stream().map(Node::key).map(Object::toString).collect(Collectors.joining(","));
}
}
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