/*
* Copyright 2002-2016 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.http.converter.protobuf;
import java.io.IOException;
import com.google.protobuf.Message;
import org.junit.Before;
import org.junit.Test;
import org.springframework.http.MediaType;
import org.springframework.http.MockHttpInputMessage;
import org.springframework.http.MockHttpOutputMessage;
import org.springframework.protobuf.Msg;
import org.springframework.protobuf.SecondMsg;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
/**
* Test suite for {@link ProtobufHttpMessageConverter}.
*
* @author Alex Antonov
*/
public class ProtobufHttpMessageConverterTests {
private ProtobufHttpMessageConverter converter;
private ExtensionRegistryInitializer registryInitializer;
private Msg testMsg;
@Before
public void setUp() {
this.registryInitializer = mock(ExtensionRegistryInitializer.class);
this.converter = new ProtobufHttpMessageConverter(this.registryInitializer);
this.testMsg = Msg.newBuilder().setFoo("Foo").setBlah(SecondMsg.newBuilder().setBlah(123).build()).build();
}
@Test
public void extensionRegistryInitialized() {
verify(this.registryInitializer, times(1)).initializeExtensionRegistry(any());
}
@Test
public void extensionRegistryNull() {
try {
new ProtobufHttpMessageConverter(null);
}
catch (Exception ex) {
fail("Unable to create ProtobufHttpMessageConverter with null extensionRegistry");
}
}
@Test
public void canRead() {
assertTrue(this.converter.canRead(Msg.class, null));
assertTrue(this.converter.canRead(Msg.class, ProtobufHttpMessageConverter.PROTOBUF));
assertTrue(this.converter.canRead(Msg.class, MediaType.APPLICATION_JSON));
assertTrue(this.converter.canRead(Msg.class, MediaType.APPLICATION_XML));
assertTrue(this.converter.canRead(Msg.class, MediaType.TEXT_PLAIN));
// only supported as an output format
assertFalse(this.converter.canRead(Msg.class, MediaType.TEXT_HTML));
}
@Test
public void canWrite() {
assertTrue(this.converter.canWrite(Msg.class, null));
assertTrue(this.converter.canWrite(Msg.class, ProtobufHttpMessageConverter.PROTOBUF));
assertTrue(this.converter.canWrite(Msg.class, MediaType.APPLICATION_JSON));
assertTrue(this.converter.canWrite(Msg.class, MediaType.APPLICATION_XML));
assertTrue(this.converter.canWrite(Msg.class, MediaType.TEXT_PLAIN));
assertTrue(this.converter.canWrite(Msg.class, MediaType.TEXT_HTML));
}
@Test
public void read() throws IOException {
byte[] body = this.testMsg.toByteArray();
MockHttpInputMessage inputMessage = new MockHttpInputMessage(body);
inputMessage.getHeaders().setContentType(ProtobufHttpMessageConverter.PROTOBUF);
Message result = this.converter.read(Msg.class, inputMessage);
assertEquals(this.testMsg, result);
}
@Test
public void readNoContentType() throws IOException {
byte[] body = this.testMsg.toByteArray();
MockHttpInputMessage inputMessage = new MockHttpInputMessage(body);
Message result = this.converter.read(Msg.class, inputMessage);
assertEquals(this.testMsg, result);
}
@Test
public void write() throws IOException {
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
MediaType contentType = ProtobufHttpMessageConverter.PROTOBUF;
this.converter.write(this.testMsg, contentType, outputMessage);
assertEquals(contentType, outputMessage.getHeaders().getContentType());
assertTrue(outputMessage.getBodyAsBytes().length > 0);
Message result = Msg.parseFrom(outputMessage.getBodyAsBytes());
assertEquals(this.testMsg, result);
String messageHeader =
outputMessage.getHeaders().getFirst(ProtobufHttpMessageConverter.X_PROTOBUF_MESSAGE_HEADER);
assertEquals("Msg", messageHeader);
String schemaHeader =
outputMessage.getHeaders().getFirst(ProtobufHttpMessageConverter.X_PROTOBUF_SCHEMA_HEADER);
assertEquals("sample.proto", schemaHeader);
}
@Test
public void defaultContentType() throws Exception {
assertEquals(ProtobufHttpMessageConverter.PROTOBUF, this.converter.getDefaultContentType(this.testMsg));
}
@Test
public void getContentLength() throws Exception {
MockHttpOutputMessage outputMessage = new MockHttpOutputMessage();
MediaType contentType = ProtobufHttpMessageConverter.PROTOBUF;
this.converter.write(this.testMsg, contentType, outputMessage);
assertEquals(-1, outputMessage.getHeaders().getContentLength());
}
}