/*
* Copyright 2011-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.mongodb.core.query;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import org.junit.Test;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.geo.Distance;
import org.springframework.data.geo.Metric;
import org.springframework.data.geo.Metrics;
import org.springframework.data.geo.Point;
import org.springframework.data.mongodb.core.DocumentTestUtils;
/**
* Unit tests for {@link NearQuery}.
*
* @author Oliver Gierke
* @author Thomas Darimont
* @author Christoph Strobl
* @author Mark Paluch
*/
public class NearQueryUnitTests {
private static final Distance ONE_FIFTY_KILOMETERS = new Distance(150, Metrics.KILOMETERS);
@Test(expected = IllegalArgumentException.class)
public void rejectsNullPoint() {
NearQuery.near(null);
}
@Test
public void settingUpNearWithMetricRecalculatesDistance() {
NearQuery query = NearQuery.near(2.5, 2.5, Metrics.KILOMETERS).maxDistance(150);
assertThat(query.getMaxDistance(), is(ONE_FIFTY_KILOMETERS));
assertThat(query.getMetric(), is((Metric) Metrics.KILOMETERS));
assertThat(query.isSpherical(), is(true));
}
@Test
public void settingMetricRecalculatesMaxDistance() {
NearQuery query = NearQuery.near(2.5, 2.5, Metrics.KILOMETERS).maxDistance(150);
query.inMiles();
assertThat(query.getMetric(), is((Metric) Metrics.MILES));
}
@Test
public void configuresResultMetricCorrectly() {
NearQuery query = NearQuery.near(2.5, 2.1);
assertThat(query.getMetric(), is((Metric) Metrics.NEUTRAL));
query = query.maxDistance(ONE_FIFTY_KILOMETERS);
assertThat(query.getMetric(), is((Metric) Metrics.KILOMETERS));
assertThat(query.getMaxDistance(), is(ONE_FIFTY_KILOMETERS));
assertThat(query.isSpherical(), is(true));
query = query.in(Metrics.MILES);
assertThat(query.getMetric(), is((Metric) Metrics.MILES));
assertThat(query.getMaxDistance(), is(ONE_FIFTY_KILOMETERS));
assertThat(query.isSpherical(), is(true));
query = query.maxDistance(new Distance(200, Metrics.KILOMETERS));
assertThat(query.getMetric(), is((Metric) Metrics.MILES));
}
@Test // DATAMONGO-445
public void shouldTakeSkipAndLimitSettingsFromGivenPageable() {
Pageable pageable = PageRequest.of(3, 5);
NearQuery query = NearQuery.near(new Point(1, 1)).with(pageable);
assertThat(query.getSkip(), is((long)pageable.getPageNumber() * pageable.getPageSize()));
assertThat((Long) query.toDocument().get("num"), is((long)(pageable.getPageNumber() + 1) * pageable.getPageSize()));
}
@Test // DATAMONGO-445
public void shouldTakeSkipAndLimitSettingsFromGivenQuery() {
int limit = 10;
long skip = 5;
NearQuery query = NearQuery.near(new Point(1, 1))
.query(Query.query(Criteria.where("foo").is("bar")).limit(limit).skip(skip));
assertThat(query.getSkip(), is(skip));
assertThat((Long) query.toDocument().get("num"), is((long)limit));
}
@Test // DATAMONGO-445
public void shouldTakeSkipAndLimitSettingsFromPageableEvenIfItWasSpecifiedOnQuery() {
int limit = 10;
int skip = 5;
Pageable pageable = PageRequest.of(3, 5);
NearQuery query = NearQuery.near(new Point(1, 1))
.query(Query.query(Criteria.where("foo").is("bar")).limit(limit).skip(skip)).with(pageable);
assertThat(query.getSkip(), is((long)pageable.getPageNumber() * pageable.getPageSize()));
assertThat((Long) query.toDocument().get("num"), is((long)(pageable.getPageNumber() + 1) * pageable.getPageSize()));
}
@Test // DATAMONGO-829
public void nearQueryShouldInoreZeroLimitFromQuery() {
NearQuery query = NearQuery.near(new Point(1, 2)).query(Query.query(Criteria.where("foo").is("bar")));
assertThat(query.toDocument().get("num"), nullValue());
}
@Test(expected = IllegalArgumentException.class) // DATAMONOGO-829
public void nearQueryShouldThrowExceptionWhenGivenANullQuery() {
NearQuery.near(new Point(1, 2)).query(null);
}
@Test // DATAMONGO-829
public void numShouldNotBeAlteredByQueryWithoutPageable() {
long num = 100;
NearQuery query = NearQuery.near(new Point(1, 2));
query.num(num);
query.query(Query.query(Criteria.where("foo").is("bar")));
assertThat(DocumentTestUtils.getTypedValue(query.toDocument(), "num", Long.class), is(num));
}
}