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28 package org.apache.hc.core5.http.impl.io;
29
30 import java.io.ByteArrayInputStream;
31 import java.io.InterruptedIOException;
32 import java.nio.charset.StandardCharsets;
33
34 import org.apache.hc.core5.http.ClassicHttpResponse;
35 import org.apache.hc.core5.http.Header;
36 import org.apache.hc.core5.http.MessageConstraintException;
37 import org.apache.hc.core5.http.NoHttpResponseException;
38 import org.apache.hc.core5.http.config.Http1Config;
39 import org.apache.hc.core5.http.io.SessionInputBuffer;
40 import org.junit.Assert;
41 import org.junit.Test;
42
43
44
45
46 public class TestResponseParser {
47
48 @Test
49 public void testBasicMessageParsing() throws Exception {
50 final String s =
51 "HTTP/1.1 200 OK\r\n" +
52 "Server: whatever\r\n" +
53 "Date: some date\r\n" +
54 "Set-Cookie: c1=stuff\r\n" +
55 "\r\n";
56 final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII));
57 final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder());
58
59 final DefaultHttpResponseParser parser = new DefaultHttpResponseParser();
60 final ClassicHttpResponse httpresponse = parser.parse(inBuffer, inputStream);
61
62 Assert.assertEquals(200, httpresponse.getCode());
63 Assert.assertEquals("OK", httpresponse.getReasonPhrase());
64 final Header[] headers = httpresponse.getHeaders();
65 Assert.assertEquals(3, headers.length);
66 }
67
68 @Test(expected = NoHttpResponseException.class)
69 public void testConnectionClosedException() throws Exception {
70 final ByteArrayInputStream inputStream = new ByteArrayInputStream(new byte[] {});
71 final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16);
72
73 final DefaultHttpResponseParser parser = new DefaultHttpResponseParser();
74 parser.parse(inBuffer, inputStream);
75 }
76
77 @Test
78 public void testBasicMessageParsingLeadingEmptyLines() throws Exception {
79 final String s =
80 "\r\n" +
81 "\r\n" +
82 "HTTP/1.1 200 OK\r\n" +
83 "Server: whatever\r\n" +
84 "\r\n";
85 final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII));
86 final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder());
87
88 final DefaultHttpResponseParser parser = new DefaultHttpResponseParser(
89 Http1Config.custom().setMaxEmptyLineCount(3).build());
90 final ClassicHttpResponse httpresponse = parser.parse(inBuffer, inputStream);
91
92 Assert.assertEquals(200, httpresponse.getCode());
93 Assert.assertEquals("OK", httpresponse.getReasonPhrase());
94 final Header[] headers = httpresponse.getHeaders();
95 Assert.assertEquals(1, headers.length);
96 }
97
98 @Test(expected = MessageConstraintException.class)
99 public void testBasicMessageParsingTooManyLeadingEmptyLines() throws Exception {
100 final String s =
101 "\r\n" +
102 "\r\n" +
103 "\r\n" +
104 "HTTP/1.1 200 OK\r\n" +
105 "Server: whatever\r\n" +
106 "\r\n";
107 final ByteArrayInputStream inputStream = new ByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII));
108 final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16, StandardCharsets.US_ASCII.newDecoder());
109
110 final DefaultHttpResponseParser parser = new DefaultHttpResponseParser(
111 Http1Config.custom().setMaxEmptyLineCount(3).build());
112 parser.parse(inBuffer, inputStream);
113 }
114
115 @Test
116 public void testMessageParsingTimeout() throws Exception {
117 final String s =
118 "HTTP\000/1.1 200\000 OK\r\n" +
119 "Server: wha\000tever\r\n" +
120 "Date: some date\r\n" +
121 "Set-Coo\000kie: c1=stuff\r\n" +
122 "\000\r\n";
123 final TimeoutByteArrayInputStreamrrayInputStream.html#TimeoutByteArrayInputStream">TimeoutByteArrayInputStream inputStream = new TimeoutByteArrayInputStream(s.getBytes(StandardCharsets.US_ASCII));
124 final SessionInputBuffer inBuffer = new SessionInputBufferImpl(16);
125
126 final DefaultHttpResponseParser parser = new DefaultHttpResponseParser();
127
128 int timeoutCount = 0;
129
130 ClassicHttpResponse httpresponse = null;
131 for (int i = 0; i < 10; i++) {
132 try {
133 httpresponse = parser.parse(inBuffer, inputStream);
134 break;
135 } catch (final InterruptedIOException ex) {
136 timeoutCount++;
137 }
138 }
139 Assert.assertNotNull(httpresponse);
140 Assert.assertEquals(5, timeoutCount);
141
142 Assert.assertEquals(200, httpresponse.getCode());
143 Assert.assertEquals("OK", httpresponse.getReasonPhrase());
144 final Header[] headers = httpresponse.getHeaders();
145 Assert.assertEquals(3, headers.length);
146 }
147
148 }
149