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MongoQueryTest.java
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MongoQueryTest.java
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/*
* Copyright (c) 2017 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* Contributors:
* Bosch Software Innovations GmbH - initial contribution
*/
package org.eclipse.ditto.services.thingsearch.persistence.read.query;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mutabilitydetector.unittesting.AllowedReason.provided;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.bson.BsonDocument;
import org.bson.conversions.Bson;
import org.eclipse.ditto.services.base.config.DittoLimitsConfigReader;
import org.eclipse.ditto.services.base.config.LimitsConfigReader;
import org.eclipse.ditto.services.thingsearch.querymodel.criteria.Criteria;
import org.eclipse.ditto.services.thingsearch.querymodel.expression.SimpleFieldExpressionImpl;
import org.eclipse.ditto.services.thingsearch.querymodel.expression.SortFieldExpression;
import org.eclipse.ditto.services.thingsearch.querymodel.expression.ThingsFieldExpressionFactory;
import org.eclipse.ditto.services.thingsearch.querymodel.expression.ThingsFieldExpressionFactoryImpl;
import org.eclipse.ditto.services.thingsearch.querymodel.query.SortDirection;
import org.eclipse.ditto.services.thingsearch.querymodel.query.SortOption;
import org.junit.Before;
import org.junit.Test;
import com.mongodb.client.model.Sorts;
import com.typesafe.config.ConfigFactory;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Tests {@link MongoQuery}.
*/
public final class MongoQueryTest {
private static final Criteria KNOWN_CRIT = mock(Criteria.class);
private static final ThingsFieldExpressionFactory EFT = new ThingsFieldExpressionFactoryImpl();
private List<SortOption> knownSortOptions;
private Bson knownSortOptionsExpectedBson;
private int defaultPageSizeFromConfig;
/** */
@Before
public void before() {
final LimitsConfigReader limitsConfigReader = DittoLimitsConfigReader.fromRawConfig(ConfigFactory.load("test"));
defaultPageSizeFromConfig = limitsConfigReader.thingsSearchDefaultPageSize();
final SortFieldExpression sortExp1 = EFT.sortByThingId();
final SortFieldExpression sortExp2 = EFT.sortByAttribute("test");
knownSortOptions =
Arrays.asList(new SortOption(sortExp1, SortDirection.ASC),
new SortOption(sortExp2, SortDirection.DESC));
final String thingIdFieldName = ((SimpleFieldExpressionImpl) EFT.sortByThingId()).getFieldName();
final String attributeFieldName = "attributes.test";
knownSortOptionsExpectedBson =
Sorts.orderBy(Arrays.asList(Sorts.ascending(thingIdFieldName), Sorts.descending(attributeFieldName)));
}
/** */
@Test
public void hashcodeAndEquals() {
EqualsVerifier.forClass(MongoQuery.class).verify();
}
/** */
@Test
public void immutability() {
assertInstancesOf(MongoQuery.class, areImmutable(),
provided(Criteria.class, SortOption.class).isAlsoImmutable());
}
/** */
@Test
public void criteriaIsCorrectlySet() {
final MongoQuery query = new MongoQuery(KNOWN_CRIT, knownSortOptions, defaultPageSizeFromConfig,
MongoQueryBuilder.DEFAULT_SKIP);
assertThat(query.getCriteria()).isEqualTo(KNOWN_CRIT);
}
/** */
@Test
public void emptySortOptions() {
final MongoQuery query = new MongoQuery(KNOWN_CRIT, Collections.emptyList(), defaultPageSizeFromConfig,
MongoQueryBuilder.DEFAULT_SKIP);
assertThat(query.getCriteria()).isEqualTo(KNOWN_CRIT);
assertThat(query.getSortOptions()).isEmpty();
assertBson(new BsonDocument(), query.getSortOptionsAsBson());
}
private static void assertBson(final Bson expected, final Bson actual) {
final BsonDocument expectedDoc =
org.eclipse.ditto.services.utils.persistence.mongo.BsonUtil.toBsonDocument(expected);
final BsonDocument actualDoc =
org.eclipse.ditto.services.utils.persistence.mongo.BsonUtil.toBsonDocument(actual);
assertThat(actualDoc).isEqualTo(expectedDoc);
}
/** */
@Test
public void sortOptionsAreCorrectlySet() {
final MongoQuery query = new MongoQuery(KNOWN_CRIT, knownSortOptions, defaultPageSizeFromConfig,
MongoQueryBuilder.DEFAULT_SKIP);
assertThat(query.getCriteria()).isEqualTo(KNOWN_CRIT);
assertThat(query.getSortOptions()).isEqualTo(knownSortOptions);
assertBson(knownSortOptionsExpectedBson, query.getSortOptionsAsBson());
}
}