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// Copyright 2018 Yahoo Holdings. 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.Node;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import java.util.Collection;
import java.util.stream.Collectors;
import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
/**
* @author ollivir
*/
public class SearchPathTest {
@Test
public void requreThatSearchPathsAreParsedCorrectly() {
assertThat(SearchPath.fromString("0/0").get().toString(), equalTo("0/0"));
assertThat(SearchPath.fromString("1/0").get().toString(), equalTo("1/0"));
assertThat(SearchPath.fromString("0/1").get().toString(), equalTo("0/1"));
assertThat(SearchPath.fromString("0,1/2").get().toString(), equalTo("0,1/2"));
assertThat(SearchPath.fromString("[0,1>/2").get().toString(), equalTo("0/2"));
assertThat(SearchPath.fromString("[0,2>/2").get().toString(), equalTo("[0,2>/2"));
assertThat(SearchPath.fromString("[0,1>,1/2").get().toString(), equalTo("0,1/2"));
assertThat(SearchPath.fromString("*/2").get().toString(), equalTo("/2"));
assertThat(SearchPath.fromString("1,*/2").get().toString(), equalTo("/2"));
assertThat(SearchPath.fromString("1").get().toString(), equalTo("1"));
assertThat(SearchPath.fromString("1/").get().toString(), equalTo("1"));
assertThat(SearchPath.fromString("1/*").get().toString(), equalTo("1"));
}
@Test
public void requreThatWildcardsAreDetected() {
assertFalse(SearchPath.fromString("").isPresent());
assertFalse(SearchPath.fromString("*/*").isPresent());
assertFalse(SearchPath.fromString("/").isPresent());
assertFalse(SearchPath.fromString("/*").isPresent());
assertFalse(SearchPath.fromString("//").isPresent());
}
@Rule
public final ExpectedException exception = ExpectedException.none();
@Test
public void invalidRangeMustThrowException() {
exception.expect(InvalidSearchPathException.class);
SearchPath.fromString("[p,0>/0");
}
@Test
public void invalidPartMustThrowException() {
exception.expect(InvalidSearchPathException.class);
SearchPath.fromString("p/0");
}
@Test
public void invalidRowMustThrowException() {
exception.expect(InvalidSearchPathException.class);
SearchPath.fromString("1,2,3/r");
}
@Test
public void searchPathMustFilterNodesBasedOnDefinition() {
MockSearchCluster cluster = new MockSearchCluster(3, 3);
assertThat(distKeysAsString(SearchPath.selectNodes("1/1", cluster)), equalTo("5"));
assertThat(distKeysAsString(SearchPath.selectNodes("/1", cluster)), equalTo("4,5,6"));
assertThat(distKeysAsString(SearchPath.selectNodes("0,1/2", cluster)), equalTo("7,8"));
assertThat(distKeysAsString(SearchPath.selectNodes("[1,3>/1", cluster)), equalTo("5,6"));
assertThat(distKeysAsString(SearchPath.selectNodes("[1,88>/1", cluster)), equalTo("5,6"));
}
private static String distKeysAsString(Collection<Node> nodes) {
return nodes.stream().map(Node::key).map(Object::toString).collect(Collectors.joining(","));
}
}
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