/*
* Copyright 2013-2017 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.convert;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import org.bson.BsonDocument;
import org.bson.Document;
import org.junit.Test;
import org.springframework.data.mongodb.core.DocumentTestUtils;
import org.springframework.data.mongodb.core.mapping.Field;
import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
import org.springframework.data.mongodb.core.mapping.MongoPersistentEntity;
import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
import com.mongodb.BasicDBObject;
/**
* Unit tests for {@link DocumentAccessor}.
*
* @author Oliver Gierke
*/
public class DocumentAccessorUnitTests {
MongoMappingContext context = new MongoMappingContext();
MongoPersistentEntity<?> projectingTypeEntity = context.getRequiredPersistentEntity(ProjectingType.class);
MongoPersistentProperty fooProperty = projectingTypeEntity.getRequiredPersistentProperty("foo");
@Test // DATAMONGO-766
public void putsNestedFieldCorrectly() {
Document document = new Document();
DocumentAccessor accessor = new DocumentAccessor(document);
accessor.put(fooProperty, "FooBar");
Document aDocument = DocumentTestUtils.getAsDocument(document, "a");
assertThat(aDocument.get("b"), is((Object) "FooBar"));
}
@Test // DATAMONGO-766
public void getsNestedFieldCorrectly() {
Document source = new Document("a", new Document("b", "FooBar"));
DocumentAccessor accessor = new DocumentAccessor(source);
assertThat(accessor.get(fooProperty), is((Object) "FooBar"));
}
@Test // DATAMONGO-766
public void returnsNullForNonExistingFieldPath() {
DocumentAccessor accessor = new DocumentAccessor(new Document());
assertThat(accessor.get(fooProperty), is(nullValue()));
}
@Test(expected = IllegalArgumentException.class) // DATAMONGO-766
public void rejectsNonDocuments() {
new DocumentAccessor(new BsonDocument());
}
@Test(expected = IllegalArgumentException.class) // DATAMONGO-766
public void rejectsNullDocument() {
new DocumentAccessor(null);
}
@Test // DATAMONGO-1335
public void writesAllNestingsCorrectly() {
MongoPersistentEntity<?> entity = context.getRequiredPersistentEntity(TypeWithTwoNestings.class);
Document target = new Document();
DocumentAccessor accessor = new DocumentAccessor(target);
accessor.put(entity.getRequiredPersistentProperty("id"), "id");
accessor.put(entity.getRequiredPersistentProperty("b"), "b");
accessor.put(entity.getRequiredPersistentProperty("c"), "c");
Document nestedA = DocumentTestUtils.getAsDocument(target, "a");
assertThat(nestedA, is(notNullValue()));
assertThat(nestedA.get("b"), is((Object) "b"));
assertThat(nestedA.get("c"), is((Object) "c"));
}
@Test // DATAMONGO-1471
public void exposesAvailabilityOfFields() {
DocumentAccessor accessor = new DocumentAccessor(new Document("a", new BasicDBObject("c", "d")));
MongoPersistentEntity<?> entity = context.getRequiredPersistentEntity(ProjectingType.class);
assertThat(accessor.hasValue(entity.getRequiredPersistentProperty("foo")), is(false));
assertThat(accessor.hasValue(entity.getRequiredPersistentProperty("a")), is(true));
assertThat(accessor.hasValue(entity.getRequiredPersistentProperty("name")), is(false));
}
static class ProjectingType {
String name;
@Field("a.b") String foo;
NestedType a;
}
static class NestedType {
String b;
String c;
}
static class TypeWithTwoNestings {
String id;
@Field("a.b") String b;
@Field("a.c") String c;
}
}