/*
* Copyright (C) 2011 Benoit GUEROUT <bguerout at gmail dot com> and Yves AMSELLEM <amsellem dot yves at gmail dot com>
*
* 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.jongo.marshall.jackson;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.core.Version;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.introspect.VisibilityChecker;
import com.fasterxml.jackson.databind.module.SimpleDeserializers;
import com.mongodb.BasicDBObject;
import org.bson.types.ObjectId;
import org.jongo.Mapper;
import org.jongo.ObjectIdUpdater;
import org.jongo.bson.Bson;
import org.jongo.bson.BsonDocument;
import org.jongo.model.Friend;
import org.jongo.query.Query;
import org.jongo.query.QueryFactory;
import org.junit.Test;
import java.io.IOException;
import static org.assertj.core.api.Assertions.assertThat;
public class JacksonMapperTest {
@Test
public void canAddDeserializer() throws Exception {
BsonDocument document = Bson.createDocument(new BasicDBObject("name", "robert"));
Mapper mapper = new JacksonMapper.Builder()
.addDeserializer(String.class, new DoeJsonDeserializer())
.build();
Friend friend = mapper.getUnmarshaller().unmarshall(document, Friend.class);
assertThat(friend.getName()).isEqualTo("Doe");
}
@Test
public void canAddSerializer() throws Exception {
Friend robert = new Friend("Robert");
Mapper mapper = new JacksonMapper.Builder()
.addSerializer(String.class, new DoeJsonSerializer())
.build();
BsonDocument document = mapper.getMarshaller().marshall(robert);
assertThat(document.toString()).contains("{ \"name\" : \"Doe\"}");
}
@Test
public void canSetVisibilityChecker() throws Exception {
PojoWithGetter robert = new PojoWithGetter("Robert", "Sax");
Mapper mapper = new JacksonMapper.Builder()
.setVisibilityChecker(new VisibilityChecker.Std(JsonAutoDetect.Visibility.PUBLIC_ONLY).withFieldVisibility(JsonAutoDetect.Visibility.NONE))
.build();
BsonDocument document = mapper.getMarshaller().marshall(robert);
assertThat(document.toString()).isEqualTo("{ \"firstName\" : \"Robert\"}");
}
@Test
public void canAddModule() throws Exception {
ObjectId oid = new ObjectId("504482e5e4b0d1b2c47fff66");
Friend friend = new Friend(oid, "Robert");
Mapper mapper = new JacksonMapper.Builder()
.registerModule(new Module() {
@Override
public String getModuleName() {
return "test-module";
}
@Override
public Version version() {
return new Version(2, 0, 0, "", "org.jongo", "testmodule");
}
@Override
public void setupModule(SetupContext setupContext) {
SimpleDeserializers deserializers = new SimpleDeserializers();
deserializers.addDeserializer(String.class, new DoeJsonDeserializer());
setupContext.addDeserializers(deserializers);
}
})
.build();
BsonDocument document = mapper.getMarshaller().marshall(friend);
assertThat(document.toString()).contains("\"_id\" : { \"$oid\" : \"504482e5e4b0d1b2c47fff66\"}");
}
@Test
public void canAddJongoInterfaces() throws Exception {
ObjectIdUpdater objectIdUpdater = new ObjectIdUpdater() {
public boolean mustGenerateObjectId(Object pojo) {
return false;
}
public void setObjectId(Object newPojo, ObjectId id) {
}
public Object getId(Object pojo) {
return null;
}
};
QueryFactory factory = new QueryFactory() {
public Query createQuery(String query, Object... parameters) {
return null;
}
};
Mapper mapper = new JacksonMapper.Builder()
.withObjectIdUpdater(objectIdUpdater)
.withQueryFactory(factory)
.build();
assertThat(mapper.getObjectIdUpdater()).isEqualTo(objectIdUpdater);
assertThat(mapper.getQueryFactory()).isEqualTo(factory);
}
private static class DoeJsonSerializer extends JsonSerializer<String> {
@Override
public void serialize(String value, JsonGenerator jgen, SerializerProvider provider) throws IOException, JsonProcessingException {
jgen.writeString("Doe");
}
}
private static class DoeJsonDeserializer extends JsonDeserializer<String> {
@Override
public String deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
return "Doe";
}
}
private static class PojoWithGetter {
private String firstName;
private String lastName;
private PojoWithGetter(String firstName, String lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
public String getFirstName() {
return firstName;
}
}
}