001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.rest;
019
020import static org.junit.jupiter.api.Assertions.assertEquals;
021import static org.junit.jupiter.api.Assertions.assertNotNull;
022import static org.mockito.Mockito.mock;
023import static org.mockito.Mockito.never;
024import static org.mockito.Mockito.verify;
025import static org.mockito.Mockito.when;
026
027import java.io.IOException;
028import javax.servlet.ServletOutputStream;
029import javax.servlet.http.HttpServletResponse;
030import org.apache.hadoop.hbase.rest.filter.GZIPResponseStream;
031import org.apache.hadoop.hbase.rest.filter.GZIPResponseWrapper;
032import org.apache.hadoop.hbase.testclassification.RestTests;
033import org.apache.hadoop.hbase.testclassification.SmallTests;
034import org.junit.jupiter.api.Tag;
035import org.junit.jupiter.api.Test;
036
037@Tag(RestTests.TAG)
038@Tag(SmallTests.TAG)
039public class TestGZIPResponseWrapper {
040
041  private final HttpServletResponse response = mock(HttpServletResponse.class);
042  private final GZIPResponseWrapper wrapper = new GZIPResponseWrapper(response);
043
044  /**
045   * wrapper should set all headers except "content-length"
046   */
047  @Test
048  public void testHeader() throws IOException {
049    wrapper.setStatus(200);
050    verify(response).setStatus(200);
051    wrapper.addHeader("header", "header value");
052    verify(response).addHeader("header", "header value");
053    wrapper.addHeader("content-length", "header value2");
054    verify(response, never()).addHeader("content-length", "header value");
055
056    wrapper.setIntHeader("header", 5);
057    verify(response).setIntHeader("header", 5);
058    wrapper.setIntHeader("content-length", 4);
059    verify(response, never()).setIntHeader("content-length", 4);
060
061    wrapper.setHeader("set-header", "new value");
062    verify(response).setHeader("set-header", "new value");
063    wrapper.setHeader("content-length", "content length value");
064    verify(response, never()).setHeader("content-length", "content length value");
065
066    wrapper.sendRedirect("location");
067    verify(response).sendRedirect("location");
068
069    wrapper.flushBuffer();
070    verify(response).flushBuffer();
071  }
072
073  @Test
074  public void testResetBuffer() throws IOException {
075    when(response.isCommitted()).thenReturn(false);
076    ServletOutputStream out = mock(ServletOutputStream.class);
077    when(response.getOutputStream()).thenReturn(out);
078
079    ServletOutputStream servletOutput = wrapper.getOutputStream();
080    assertEquals(GZIPResponseStream.class, servletOutput.getClass());
081    wrapper.resetBuffer();
082    verify(response).setHeader("Content-Encoding", null);
083
084    when(response.isCommitted()).thenReturn(true);
085    servletOutput = wrapper.getOutputStream();
086    assertEquals(out.getClass(), servletOutput.getClass());
087    assertNotNull(wrapper.getWriter());
088  }
089
090  @Test
091  public void testReset() throws IOException {
092    when(response.isCommitted()).thenReturn(false);
093    ServletOutputStream out = mock(ServletOutputStream.class);
094    when(response.getOutputStream()).thenReturn(out);
095
096    ServletOutputStream servletOutput = wrapper.getOutputStream();
097    verify(response).addHeader("Content-Encoding", "gzip");
098    assertEquals(GZIPResponseStream.class, servletOutput.getClass());
099    wrapper.reset();
100    verify(response).setHeader("Content-Encoding", null);
101
102    when(response.isCommitted()).thenReturn(true);
103    servletOutput = wrapper.getOutputStream();
104    assertEquals(out.getClass(), servletOutput.getClass());
105  }
106
107  @Test
108  public void testSendError() throws IOException {
109    wrapper.sendError(404);
110    verify(response).sendError(404);
111
112    wrapper.sendError(404, "error message");
113    verify(response).sendError(404, "error message");
114  }
115}