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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.schema.derived;
import com.yahoo.config.model.test.MockApplicationPackage;
import com.yahoo.documentmodel.NewDocumentReferenceDataType;
import com.yahoo.schema.DocumentReference;
import com.yahoo.schema.DocumentReferences;
import com.yahoo.schema.Schema;
import com.yahoo.schema.AbstractSchemaTestCase;
import com.yahoo.schema.document.SDDocumentType;
import com.yahoo.schema.document.SDField;
import com.yahoo.schema.document.TemporarySDField;
import org.junit.jupiter.api.Test;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import static java.util.Collections.emptyMap;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author bratseth
* @author bjorncs
*/
public class SchemaOrdererTestCase extends AbstractSchemaTestCase {
private static Map<String, Schema> createSchemas() {
Map<String, Schema> schemas = new HashMap<>();
Schema grandParent = createSchema("grandParent", schemas);
Schema mother = createSchema("mother", schemas);
inherit(mother, grandParent);
Schema father = createSchema("father", schemas);
inherit(father, grandParent);
createDocumentReference(father, mother, "wife_ref");
Schema daugther = createSchema("daughter", schemas);
inherit(daugther, father);
inherit(daugther, mother);
Schema son = createSchema("son", schemas);
inherit(son, father);
inherit(son, mother);
Schema product = createSchema("product", schemas);
Schema pc = createSchema("pc", schemas);
inherit(pc, product);
Schema pcAccessory = createSchema("accessory-pc", schemas);
inherit(pcAccessory, product);
createDocumentReference(pcAccessory, pc, "pc_ref");
createSchema("alone", schemas);
return schemas;
}
private static Schema createSchema(String name, Map<String, Schema> schemas) {
Schema schema = new Schema(name, MockApplicationPackage.createEmpty());
SDDocumentType document = new SDDocumentType(name);
document.setDocumentReferences(new DocumentReferences(emptyMap()));
schema.addDocument(document);
schemas.put(schema.getName(), schema);
return schema;
}
private static void inherit(Schema inheritee, Schema inherited) {
inheritee.getDocument().inherit(inherited.getDocument());
}
private static void assertOrder(List<String> expectedSearchOrder, List<String> inputNames) {
inputNames.sort((a, b) -> a.compareTo(b));
Map<String, Schema> schemas = createSchemas();
List<Schema> inputSchemas = inputNames.stream()
.map(schemas::get)
.map(Objects::requireNonNull)
.toList();
List<String> actualSearchOrder = new SearchOrderer()
.order(inputSchemas)
.stream()
.map(Schema::getName)
.toList();
assertEquals(expectedSearchOrder, actualSearchOrder);
}
@SuppressWarnings("deprecation")
private static void createDocumentReference(Schema from, Schema to, String refFieldName) {
SDDocumentType fromDocument = from.getDocument();
SDField refField = new TemporarySDField(fromDocument, refFieldName, NewDocumentReferenceDataType.forDocumentName(to.getName()));
fromDocument.addField(refField);
Map<String, DocumentReference> originalMap = fromDocument.getDocumentReferences().get().referenceMap();
HashMap<String, DocumentReference> modifiedMap = new HashMap<>(originalMap);
modifiedMap.put(refFieldName, new DocumentReference(refField, to));
fromDocument.setDocumentReferences(new DocumentReferences(modifiedMap));
}
@Test
void testPerfectOrderingIsKept() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "son"),
Arrays.asList("grandParent", "mother", "father", "daughter", "son", "product", "pc", "alone"));
}
@Test
void testOneLevelReordering() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "son"),
Arrays.asList("grandParent", "daughter", "son", "mother", "father", "pc", "product", "alone"));
}
@Test
void testMultiLevelReordering() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "son"),
Arrays.asList("daughter", "son", "mother", "father", "grandParent", "pc", "product", "alone"));
}
@Test
void testAloneIsKeptInPlaceWithMultiLevelReordering() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "son"),
Arrays.asList("alone", "daughter", "son", "mother", "father", "grandParent", "pc", "product"));
}
@Test
void testPartialMultiLevelReordering() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "son"),
Arrays.asList("daughter", "grandParent", "mother", "son", "father", "product", "pc", "alone"));
}
@Test
void testMultilevelReorderingAccrossHierarchies() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "son"),
Arrays.asList("daughter", "pc", "son", "mother", "grandParent", "father", "product", "alone"));
}
@Test
void referees_are_ordered_before_referrer() {
assertOrder(Arrays.asList("alone", "grandParent", "mother", "father", "daughter", "product", "pc", "accessory-pc", "son"),
Arrays.asList("accessory-pc", "daughter", "pc", "son", "mother", "grandParent", "father", "product", "alone"));
}
}
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