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.Assert.assertEquals;
021import static org.junit.Assert.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.HBaseClassTestRule;
031import org.apache.hadoop.hbase.rest.filter.GZIPResponseStream;
032import org.apache.hadoop.hbase.rest.filter.GZIPResponseWrapper;
033import org.apache.hadoop.hbase.testclassification.RestTests;
034import org.apache.hadoop.hbase.testclassification.SmallTests;
035import org.junit.ClassRule;
036import org.junit.Test;
037import org.junit.experimental.categories.Category;
038
039@Category({ RestTests.class, SmallTests.class })
040public class TestGZIPResponseWrapper {
041
042  @ClassRule
043  public static final HBaseClassTestRule CLASS_RULE =
044    HBaseClassTestRule.forClass(TestGZIPResponseWrapper.class);
045
046  private final HttpServletResponse response = mock(HttpServletResponse.class);
047  private final GZIPResponseWrapper wrapper = new GZIPResponseWrapper(response);
048
049  /**
050   * wrapper should set all headers except "content-length"
051   */
052  @Test
053  public void testHeader() throws IOException {
054    wrapper.setStatus(200);
055    verify(response).setStatus(200);
056    wrapper.addHeader("header", "header value");
057    verify(response).addHeader("header", "header value");
058    wrapper.addHeader("content-length", "header value2");
059    verify(response, never()).addHeader("content-length", "header value");
060
061    wrapper.setIntHeader("header", 5);
062    verify(response).setIntHeader("header", 5);
063    wrapper.setIntHeader("content-length", 4);
064    verify(response, never()).setIntHeader("content-length", 4);
065
066    wrapper.setHeader("set-header", "new value");
067    verify(response).setHeader("set-header", "new value");
068    wrapper.setHeader("content-length", "content length value");
069    verify(response, never()).setHeader("content-length", "content length value");
070
071    wrapper.sendRedirect("location");
072    verify(response).sendRedirect("location");
073
074    wrapper.flushBuffer();
075    verify(response).flushBuffer();
076  }
077
078  @Test
079  public void testResetBuffer() throws IOException {
080    when(response.isCommitted()).thenReturn(false);
081    ServletOutputStream out = mock(ServletOutputStream.class);
082    when(response.getOutputStream()).thenReturn(out);
083
084    ServletOutputStream servletOutput = wrapper.getOutputStream();
085    assertEquals(GZIPResponseStream.class, servletOutput.getClass());
086    wrapper.resetBuffer();
087    verify(response).setHeader("Content-Encoding", null);
088
089    when(response.isCommitted()).thenReturn(true);
090    servletOutput = wrapper.getOutputStream();
091    assertEquals(out.getClass(), servletOutput.getClass());
092    assertNotNull(wrapper.getWriter());
093  }
094
095  @Test
096  public void testReset() throws IOException {
097    when(response.isCommitted()).thenReturn(false);
098    ServletOutputStream out = mock(ServletOutputStream.class);
099    when(response.getOutputStream()).thenReturn(out);
100
101    ServletOutputStream servletOutput = wrapper.getOutputStream();
102    verify(response).addHeader("Content-Encoding", "gzip");
103    assertEquals(GZIPResponseStream.class, servletOutput.getClass());
104    wrapper.reset();
105    verify(response).setHeader("Content-Encoding", null);
106
107    when(response.isCommitted()).thenReturn(true);
108    servletOutput = wrapper.getOutputStream();
109    assertEquals(out.getClass(), servletOutput.getClass());
110  }
111
112  @Test
113  public void testSendError() throws IOException {
114    wrapper.sendError(404);
115    verify(response).sendError(404);
116
117    wrapper.sendError(404, "error message");
118    verify(response).sendError(404, "error message");
119  }
120
121}