/*
* Copyright 2016-2017 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.repository.query;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.Map;
import javax.xml.bind.DatatypeConverter;
import org.bson.BSON;
import org.bson.Document;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.data.mongodb.core.ReactiveMongoOperations;
import org.springframework.data.mongodb.core.convert.DbRefResolver;
import org.springframework.data.mongodb.core.convert.DefaultMongoTypeMapper;
import org.springframework.data.mongodb.core.convert.MappingMongoConverter;
import org.springframework.data.mongodb.core.convert.MongoConverter;
import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
import org.springframework.data.mongodb.core.query.BasicQuery;
import org.springframework.data.mongodb.repository.Address;
import org.springframework.data.mongodb.repository.Person;
import org.springframework.data.mongodb.repository.Query;
import org.springframework.data.projection.ProjectionFactory;
import org.springframework.data.projection.SpelAwareProxyProjectionFactory;
import org.springframework.data.repository.Repository;
import org.springframework.data.repository.core.support.DefaultRepositoryMetadata;
import org.springframework.data.repository.query.DefaultEvaluationContextProvider;
import org.springframework.expression.spel.standard.SpelExpressionParser;
/**
* Unit tests for {@link ReactiveStringBasedMongoQuery}.
*
* @author Mark Paluch
*/
@RunWith(MockitoJUnitRunner.class)
public class ReactiveStringBasedMongoQueryUnitTests {
SpelExpressionParser PARSER = new SpelExpressionParser();
@Mock ReactiveMongoOperations operations;
@Mock DbRefResolver factory;
MongoConverter converter;
@Before
public void setUp() {
this.converter = new MappingMongoConverter(factory, new MongoMappingContext());
}
@Test // DATAMONGO-1444
public void bindsSimplePropertyCorrectly() throws Exception {
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByLastname", String.class);
ConvertingParameterAccessor accesor = StubParameterAccessor.getAccessor(converter, "Matthews");
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accesor);
org.springframework.data.mongodb.core.query.Query reference = new BasicQuery("{'lastname' : 'Matthews'}");
assertThat(query.getQueryObject(), is(reference.getQueryObject()));
}
@Test // DATAMONGO-1444
public void bindsComplexPropertyCorrectly() throws Exception {
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByAddress", Address.class);
Address address = new Address("Foo", "0123", "Bar");
ConvertingParameterAccessor accesor = StubParameterAccessor.getAccessor(converter, address);
Document dbObject = new Document();
converter.write(address, dbObject);
dbObject.remove(DefaultMongoTypeMapper.DEFAULT_TYPE_KEY);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accesor);
Document queryObject = new Document("address", dbObject);
org.springframework.data.mongodb.core.query.Query reference = new BasicQuery(queryObject);
assertThat(query.getQueryObject().toJson(), is(reference.getQueryObject().toJson()));
}
@Test // DATAMONGO-1444
public void constructsDeleteQueryCorrectly() throws Exception {
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("removeByLastname", String.class);
assertThat(mongoQuery.isDeleteQuery(), is(true));
}
@Test(expected = IllegalArgumentException.class) // DATAMONGO-1444
public void preventsDeleteAndCountFlagAtTheSameTime() throws Exception {
createQueryForMethod("invalidMethod", String.class);
}
@Test // DATAMONGO-1444
public void shouldSupportFindByParameterizedCriteriaAndFields() throws Exception {
ConvertingParameterAccessor accessor = StubParameterAccessor.getAccessor(converter,
new Document("firstname", "first").append("lastname", "last"), Collections.singletonMap("lastname", 1));
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByParameterizedCriteriaAndFields",
Document.class, Map.class);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accessor);
assertThat(query.getQueryObject(),
is(new BasicQuery("{ \"firstname\": \"first\", \"lastname\": \"last\"}").getQueryObject()));
assertThat(query.getFieldsObject(), is(new BasicQuery(null, "{ \"lastname\": 1}").getFieldsObject()));
}
@Test // DATAMONGO-1444
public void shouldParseQueryWithParametersInExpression() throws Exception {
ConvertingParameterAccessor accessor = StubParameterAccessor.getAccessor(converter, 1, 2, 3, 4);
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByQueryWithParametersInExpression", int.class,
int.class, int.class, int.class);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accessor);
assertThat(query.getQueryObject(),
is(new BasicQuery("{$where: 'return this.date.getUTCMonth() == 3 && this.date.getUTCDay() == 4;'}")
.getQueryObject()));
}
@Test // DATAMONGO-1444
public void shouldParseJsonKeyReplacementCorrectly() throws Exception {
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("methodWithPlaceholderInKeyOfJsonStructure",
String.class, String.class);
ConvertingParameterAccessor parameterAccessor = StubParameterAccessor.getAccessor(converter, "key", "value");
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(parameterAccessor);
assertThat(query.getQueryObject(), is(new Document().append("key", "value")));
}
@Test // DATAMONGO-1444
public void shouldSupportExpressionsInCustomQueries() throws Exception {
ConvertingParameterAccessor accesor = StubParameterAccessor.getAccessor(converter, "Matthews");
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByQueryWithExpression", String.class);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accesor);
org.springframework.data.mongodb.core.query.Query reference = new BasicQuery("{'lastname' : 'Matthews'}");
assertThat(query.getQueryObject(), is(reference.getQueryObject()));
}
@Test // DATAMONGO-1444
public void shouldSupportExpressionsInCustomQueriesWithNestedObject() throws Exception {
ConvertingParameterAccessor accesor = StubParameterAccessor.getAccessor(converter, true, "param1", "param2");
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByQueryWithExpressionAndNestedObject",
boolean.class, String.class);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accesor);
org.springframework.data.mongodb.core.query.Query reference = new BasicQuery("{ \"id\" : { \"$exists\" : true}}");
assertThat(query.getQueryObject(), is(reference.getQueryObject()));
}
@Test // DATAMONGO-1444
public void shouldSupportExpressionsInCustomQueriesWithMultipleNestedObjects() throws Exception {
ConvertingParameterAccessor accesor = StubParameterAccessor.getAccessor(converter, true, "param1", "param2");
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByQueryWithExpressionAndMultipleNestedObjects",
boolean.class, String.class, String.class);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accesor);
org.springframework.data.mongodb.core.query.Query reference = new BasicQuery(
"{ \"id\" : { \"$exists\" : true} , \"foo\" : 42 , \"bar\" : { \"$exists\" : false}}");
assertThat(query.getQueryObject(), is(reference.getQueryObject()));
}
@Test // DATAMONGO-1444
public void shouldSupportNonQuotedBinaryDataReplacement() throws Exception {
byte[] binaryData = "Matthews".getBytes("UTF-8");
ConvertingParameterAccessor accesor = StubParameterAccessor.getAccessor(converter, binaryData);
ReactiveStringBasedMongoQuery mongoQuery = createQueryForMethod("findByLastnameAsBinary", byte[].class);
org.springframework.data.mongodb.core.query.Query query = mongoQuery.createQuery(accesor);
org.springframework.data.mongodb.core.query.Query reference = new BasicQuery("{'lastname' : { '$binary' : '"
+ DatatypeConverter.printBase64Binary(binaryData) + "', '$type' : '" + BSON.B_GENERAL + "'}}");
assertThat(query.getQueryObject().toJson(), is(reference.getQueryObject().toJson()));
}
private ReactiveStringBasedMongoQuery createQueryForMethod(String name, Class<?>... parameters) throws Exception {
Method method = SampleRepository.class.getMethod(name, parameters);
ProjectionFactory factory = new SpelAwareProxyProjectionFactory();
ReactiveMongoQueryMethod queryMethod = new ReactiveMongoQueryMethod(method,
new DefaultRepositoryMetadata(SampleRepository.class), factory, converter.getMappingContext());
return new ReactiveStringBasedMongoQuery(queryMethod, operations, PARSER,
DefaultEvaluationContextProvider.INSTANCE);
}
private interface SampleRepository extends Repository<Person, Long> {
@Query("{ 'lastname' : ?0 }")
Mono<Person> findByLastname(String lastname);
@Query("{ 'lastname' : ?0 }")
Mono<Person> findByLastnameAsBinary(byte[] lastname);
@Query("{ 'address' : ?0 }")
Mono<Person> findByAddress(Address address);
@Query(value = "{ 'lastname' : ?0 }", delete = true)
Mono<Void> removeByLastname(String lastname);
@Query(value = "{ 'lastname' : ?0 }", delete = true, count = true)
Mono<Void> invalidMethod(String lastname);
@Query(value = "?0", fields = "?1")
Mono<Document> findByParameterizedCriteriaAndFields(Document criteria, Map<String, Integer> fields);
@Query("{$where: 'return this.date.getUTCMonth() == ?2 && this.date.getUTCDay() == ?3;'}")
Flux<Document> findByQueryWithParametersInExpression(int param1, int param2, int param3, int param4);
@Query("{ ?0 : ?1}")
Mono<Object> methodWithPlaceholderInKeyOfJsonStructure(String keyReplacement, String valueReplacement);
@Query("{'lastname': ?#{[0]} }")
Flux<Person> findByQueryWithExpression(String param0);
@Query("{'id':?#{ [0] ? { $exists :true} : [1] }}")
Flux<Person> findByQueryWithExpressionAndNestedObject(boolean param0, String param1);
@Query("{'id':?#{ [0] ? { $exists :true} : [1] }, 'foo':42, 'bar': ?#{ [0] ? { $exists :false} : [1] }}")
Flux<Person> findByQueryWithExpressionAndMultipleNestedObjects(boolean param0, String param1, String param2);
}
}