/*
* Copyright 2013-2016 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;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.mockito.Mockito.when;
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.MongoDbFactory;
import org.springframework.data.mongodb.core.MongoTemplate.UnwrapAndReadDocumentCallback;
import org.springframework.data.mongodb.core.convert.DefaultDbRefResolver;
import org.springframework.data.mongodb.core.convert.MappingMongoConverter;
import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
/**
* Unit tests for {@link UnwrapAndReadDocumentCallback}.
*
* @author Oliver Gierke
* @author Mark Paluch
*/
@RunWith(MockitoJUnitRunner.class)
public class UnwrapAndReadDocumentCallbackUnitTests {
@Mock MongoDbFactory factory;
@Mock MongoExceptionTranslator exceptionTranslatorMock;
UnwrapAndReadDocumentCallback<Target> callback;
@Before
public void setUp() {
when(factory.getExceptionTranslator()).thenReturn(exceptionTranslatorMock);
MongoTemplate template = new MongoTemplate(factory);
MappingMongoConverter converter = new MappingMongoConverter(new DefaultDbRefResolver(factory),
new MongoMappingContext());
this.callback = template.new UnwrapAndReadDocumentCallback(converter, Target.class, "collection-1");
}
@Test
public void usesFirstLevelValues() {
Target target = callback.doWith(new Document("foo", "bar"));
assertThat(target.id, is(nullValue()));
assertThat(target.foo, is("bar"));
}
@Test
public void unwrapsUnderscoreIdIfDocument() {
Target target = callback.doWith(new Document("_id", new Document("foo", "bar")));
assertThat(target.id, is(nullValue()));
assertThat(target.foo, is("bar"));
}
@Test
public void firstLevelPropertiesTrumpNestedOnes() {
Target target = callback.doWith(new Document("_id", new Document("foo", "bar")).append("foo", "foobar"));
assertThat(target.id, is(nullValue()));
assertThat(target.foo, is("foobar"));
}
@Test
public void keepsUnderscoreIdIfScalarValue() {
Target target = callback.doWith(new Document("_id", "bar").append("foo", "foo"));
assertThat(target.id, is("bar"));
assertThat(target.foo, is("foo"));
}
static class Target {
String id;
String foo;
}
}