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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.index.reader.resource;
20  
21  import java.io.BufferedInputStream;
22  import java.io.ByteArrayInputStream;
23  import java.io.IOException;
24  import java.io.InputStream;
25  
26  import org.apache.maven.index.reader.ResourceHandler;
27  import org.apache.maven.index.reader.ResourceHandler.Resource;
28  import org.jmock.Expectations;
29  import org.jmock.Mockery;
30  import org.junit.Test;
31  
32  import static org.junit.Assert.assertEquals;
33  import static org.junit.Assert.assertNull;
34  import static org.junit.Assert.assertTrue;
35  
36  public class BufferedResourceHandlerTest {
37      private Mockery context = new Mockery();
38  
39      @Test
40      public void locate() throws IOException {
41          final Resource resource = context.mock(Resource.class);
42          final ResourceHandler resourceHandler = context.mock(ResourceHandler.class);
43          context.checking(new Expectations() {
44              {
45                  oneOf(resource).read();
46                  will(returnValue(new ByteArrayInputStream(new byte[] {'a'})));
47                  oneOf(resourceHandler).locate("test.txt");
48                  will(returnValue(resource));
49              }
50          });
51          InputStream in =
52                  new BufferedResourceHandler(resourceHandler).locate("test.txt").read();
53          assertTrue(in instanceof BufferedInputStream);
54          assertEquals('a', in.read());
55          context.assertIsSatisfied();
56      }
57  
58      @Test
59      public void locateNull() throws IOException {
60          final Resource resource = context.mock(Resource.class);
61          final ResourceHandler resourceHandler = context.mock(ResourceHandler.class);
62          context.checking(new Expectations() {
63              {
64                  oneOf(resource).read();
65                  oneOf(resourceHandler).locate("test.txt");
66                  will(returnValue(resource));
67              }
68          });
69          assertNull(
70                  new BufferedResourceHandler(resourceHandler).locate("test.txt").read());
71          context.assertIsSatisfied();
72      }
73  
74      @Test
75      public void close() throws IOException {
76          final ResourceHandler resourceHandler = context.mock(ResourceHandler.class);
77          context.checking(new Expectations() {
78              {
79                  oneOf(resourceHandler).close();
80              }
81          });
82          new BufferedResourceHandler(resourceHandler).close();
83          context.assertIsSatisfied();
84      }
85  }