/*
* Copyright 2014-2017 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.rest.webmvc.json;
import static org.assertj.core.api.Assertions.*;
import static org.mockito.ArgumentMatchers.*;
import static org.mockito.Mockito.*;
import java.net.URI;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.core.convert.TypeDescriptor;
import org.springframework.data.mapping.PersistentProperty;
import org.springframework.data.rest.core.UriToEntityConverter;
import org.springframework.data.rest.webmvc.json.PersistentEntityJackson2Module.UriStringDeserializer;
import org.springframework.test.util.ReflectionTestUtils;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Unit tests for {@link UriStringDeserializer}.
*
* @author Oliver Gierke
*/
@RunWith(MockitoJUnitRunner.class)
public class UriStringDeserializerUnitTests {
public @Rule ExpectedException exception = ExpectedException.none();
@Mock UriToEntityConverter converter;
@Mock PersistentProperty<?> property;
@Mock JsonParser parser;
DeserializationContext context;
UriStringDeserializer deserializer;
@Before
public void setUp() {
this.deserializer = new UriStringDeserializer(property, converter);
// Need to hack the context as there's virtually no way wo set up a combined parser and context easily
this.context = new ObjectMapper().getDeserializationContext();
ReflectionTestUtils.setField(context, "_parser", parser);
}
@Test // DATAREST-316
public void extractsUriToForwardToConverter() throws Exception {
assertConverterInvokedWithUri("/foo/32", URI.create("/foo/32"));
}
@Test // DATAREST-316
public void extractsUriFromTemplateToForwardToConverter() throws Exception {
assertConverterInvokedWithUri("/foo/32{?projection}", URI.create("/foo/32"));
}
@Test // DATAREST-377
public void returnsNullUriIfSourceIsEmptyOrNull() throws Exception {
assertThat(invokeConverterWith("")).isNull();
assertThat(invokeConverterWith(null)).isNull();
}
@Test // DATAREST-377
public void rejectsNonUriValue() throws Exception {
exception.expect(JsonMappingException.class);
exception.expectMessage("managed domain type");
invokeConverterWith("{ \"foo\" : \"bar\" }");
}
@SuppressWarnings({ "unchecked", "rawtypes" })
private Object invokeConverterWith(String source) throws Exception {
when(property.getActualType()).thenReturn((Class) Object.class);
when(parser.getValueAsString()).thenReturn(source);
when(parser.getText()).thenReturn(source);
return deserializer.deserialize(parser, context);
}
private void assertConverterInvokedWithUri(String source, URI expected) throws Exception {
invokeConverterWith(source);
verify(converter).convert(eq(expected), Mockito.any(TypeDescriptor.class),
eq(TypeDescriptor.valueOf(Object.class)));
}
}