/*
* Copyright 2012-2017 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.boot.devtools.tunnel.payload;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.SocketTimeoutException;
import java.nio.ByteBuffer;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.WritableByteChannel;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpOutputMessage;
import org.springframework.http.server.ServletServerHttpRequest;
import org.springframework.http.server.ServletServerHttpResponse;
import org.springframework.mock.web.MockHttpServletRequest;
import org.springframework.mock.web.MockHttpServletResponse;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link HttpTunnelPayload}.
*
* @author Phillip Webb
*/
public class HttpTunnelPayloadTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
@Test
public void sequenceMustBePositive() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("Sequence must be positive");
new HttpTunnelPayload(0, ByteBuffer.allocate(1));
}
@Test
public void dataMustNotBeNull() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("Data must not be null");
new HttpTunnelPayload(1, null);
}
@Test
public void getSequence() throws Exception {
HttpTunnelPayload payload = new HttpTunnelPayload(1, ByteBuffer.allocate(1));
assertThat(payload.getSequence()).isEqualTo(1L);
}
@Test
public void getData() throws Exception {
ByteBuffer data = ByteBuffer.wrap("hello".getBytes());
HttpTunnelPayload payload = new HttpTunnelPayload(1, data);
assertThat(getData(payload)).isEqualTo(data.array());
}
@Test
public void assignTo() throws Exception {
ByteBuffer data = ByteBuffer.wrap("hello".getBytes());
HttpTunnelPayload payload = new HttpTunnelPayload(2, data);
MockHttpServletResponse servletResponse = new MockHttpServletResponse();
HttpOutputMessage response = new ServletServerHttpResponse(servletResponse);
payload.assignTo(response);
assertThat(servletResponse.getHeader("x-seq")).isEqualTo("2");
assertThat(servletResponse.getContentAsString()).isEqualTo("hello");
}
@Test
public void getNoData() throws Exception {
MockHttpServletRequest servletRequest = new MockHttpServletRequest();
HttpInputMessage request = new ServletServerHttpRequest(servletRequest);
HttpTunnelPayload payload = HttpTunnelPayload.get(request);
assertThat(payload).isNull();
}
@Test
public void getWithMissingHeader() throws Exception {
MockHttpServletRequest servletRequest = new MockHttpServletRequest();
servletRequest.setContent("hello".getBytes());
HttpInputMessage request = new ServletServerHttpRequest(servletRequest);
this.thrown.expect(IllegalStateException.class);
this.thrown.expectMessage("Missing sequence header");
HttpTunnelPayload.get(request);
}
@Test
public void getWithData() throws Exception {
MockHttpServletRequest servletRequest = new MockHttpServletRequest();
servletRequest.setContent("hello".getBytes());
servletRequest.addHeader("x-seq", 123);
HttpInputMessage request = new ServletServerHttpRequest(servletRequest);
HttpTunnelPayload payload = HttpTunnelPayload.get(request);
assertThat(payload.getSequence()).isEqualTo(123L);
assertThat(getData(payload)).isEqualTo("hello".getBytes());
}
@Test
public void getPayloadData() throws Exception {
ReadableByteChannel channel = Channels
.newChannel(new ByteArrayInputStream("hello".getBytes()));
ByteBuffer payloadData = HttpTunnelPayload.getPayloadData(channel);
ByteArrayOutputStream out = new ByteArrayOutputStream();
WritableByteChannel writeChannel = Channels.newChannel(out);
while (payloadData.hasRemaining()) {
writeChannel.write(payloadData);
}
assertThat(out.toByteArray()).isEqualTo("hello".getBytes());
}
@Test
public void getPayloadDataWithTimeout() throws Exception {
ReadableByteChannel channel = mock(ReadableByteChannel.class);
given(channel.read(any(ByteBuffer.class)))
.willThrow(new SocketTimeoutException());
ByteBuffer payload = HttpTunnelPayload.getPayloadData(channel);
assertThat(payload).isNull();
}
private byte[] getData(HttpTunnelPayload payload) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
WritableByteChannel channel = Channels.newChannel(out);
payload.writeTo(channel);
return out.toByteArray();
}
}