View Javadoc
1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  package org.apache.hc.client5.testing.fluent;
28  
29  import java.io.File;
30  import java.net.URI;
31  import java.nio.charset.StandardCharsets;
32  
33  import org.apache.hc.client5.http.ClientProtocolException;
34  import org.apache.hc.client5.http.HttpResponseException;
35  import org.apache.hc.client5.http.fluent.Content;
36  import org.apache.hc.client5.http.fluent.Request;
37  import org.apache.hc.client5.testing.sync.extension.TestClientResources;
38  import org.apache.hc.core5.http.ContentType;
39  import org.apache.hc.core5.http.HttpEntity;
40  import org.apache.hc.core5.http.HttpHost;
41  import org.apache.hc.core5.http.HttpStatus;
42  import org.apache.hc.core5.http.URIScheme;
43  import org.apache.hc.core5.http.io.entity.EntityUtils;
44  import org.apache.hc.core5.http.io.entity.StringEntity;
45  import org.apache.hc.core5.testing.classic.ClassicTestServer;
46  import org.apache.hc.core5.util.Timeout;
47  import org.junit.jupiter.api.Assertions;
48  import org.junit.jupiter.api.BeforeEach;
49  import org.junit.jupiter.api.Test;
50  import org.junit.jupiter.api.extension.RegisterExtension;
51  
52  public class TestFluent {
53  
54      public static final Timeout TIMEOUT = Timeout.ofMinutes(1);
55  
56      @RegisterExtension
57      private TestClientResources testResources = new TestClientResources(URIScheme.HTTP, TIMEOUT);
58  
59      public HttpHost targetHost() {
60          return testResources.targetHost();
61      }
62  
63      @BeforeEach
64      public void setUp() throws Exception {
65          final ClassicTestServer server = testResources.startServer(null, null, null);
66          server.registerHandler("/", (request, response, context) ->
67                  response.setEntity(new StringEntity("All is well", ContentType.TEXT_PLAIN)));
68          server.registerHandler("/echo", (request, response, context) -> {
69              HttpEntity responseEntity = null;
70              final HttpEntity requestEntity = request.getEntity();
71              if (requestEntity != null) {
72                  final String contentTypeStr = requestEntity.getContentType();
73                  final ContentType contentType = contentTypeStr == null ? ContentType.DEFAULT_TEXT : ContentType.parse(contentTypeStr);
74                  if (ContentType.TEXT_PLAIN.getMimeType().equals(contentType.getMimeType())) {
75                      responseEntity = new StringEntity(
76                              EntityUtils.toString(requestEntity), ContentType.TEXT_PLAIN);
77                  }
78              }
79              if (responseEntity == null) {
80                  responseEntity = new StringEntity("echo", ContentType.TEXT_PLAIN);
81              }
82              response.setEntity(responseEntity);
83          });
84  
85          // Handler for large content large message
86          server.registerHandler("/large-message", (request, response, context) -> {
87              final String largeContent = generateLargeString(10000); // Large content string
88              response.setEntity(new StringEntity(largeContent, ContentType.TEXT_PLAIN));
89          });
90  
91          // Handler for large content large message with error
92          server.registerHandler("/large-message-error", (request, response, context) -> {
93              final String largeContent = generateLargeString(10000); // Large content string
94              response.setCode(HttpStatus.SC_REDIRECTION);
95              response.setEntity(new StringEntity(largeContent, ContentType.TEXT_PLAIN));
96          });
97  
98      }
99  
100     @Test
101     public void testGetRequest() throws Exception {
102         final HttpHost target = targetHost();
103         final String baseURL = "http://localhost:" + target.getPort();
104         final String message = Request.get(baseURL + "/").execute().returnContent().asString();
105         Assertions.assertEquals("All is well", message);
106     }
107 
108     @Test
109     public void testGetRequestByName() throws Exception {
110         final HttpHost target = targetHost();
111         final String baseURL = "http://localhost:" + target.getPort();
112         final String message = Request.create("GET", baseURL + "/").execute().returnContent().asString();
113         Assertions.assertEquals("All is well", message);
114     }
115 
116     @Test
117     public void testGetRequestByNameWithURI() throws Exception {
118         final HttpHost target = targetHost();
119         final String baseURL = "http://localhost:" + target.getPort();
120         final String message = Request.create("GET", new URI(baseURL + "/")).execute().returnContent().asString();
121         Assertions.assertEquals("All is well", message);
122     }
123 
124     @Test
125     public void testGetRequestFailure() throws Exception {
126         final HttpHost target = targetHost();
127         final String baseURL = "http://localhost:" + target.getPort();
128         Assertions.assertThrows(ClientProtocolException.class, () ->
129                 Request.get(baseURL + "/boom").execute().returnContent().asString());
130     }
131 
132     @Test
133     public void testPostRequest() throws Exception {
134         final HttpHost target = targetHost();
135         final String baseURL = "http://localhost:" + target.getPort();
136         final String message1 = Request.post(baseURL + "/echo")
137                 .bodyString("what is up?", ContentType.TEXT_PLAIN)
138                 .execute().returnContent().asString();
139         Assertions.assertEquals("what is up?", message1);
140         final String message2 = Request.post(baseURL + "/echo")
141                 .bodyByteArray(new byte[]{1, 2, 3}, ContentType.APPLICATION_OCTET_STREAM)
142                 .execute().returnContent().asString();
143         Assertions.assertEquals("echo", message2);
144     }
145 
146     @Test
147     public void testContentAsStringWithCharset() throws Exception {
148         final HttpHost target = targetHost();
149         final String baseURL = "http://localhost:" + target.getPort();
150         final Content content = Request.post(baseURL + "/echo").bodyByteArray("Ü".getBytes(StandardCharsets.UTF_8)).execute()
151                 .returnContent();
152         Assertions.assertEquals((byte)-61, content.asBytes()[0]);
153         Assertions.assertEquals((byte)-100, content.asBytes()[1]);
154         Assertions.assertEquals("Ü", content.asString(StandardCharsets.UTF_8));
155     }
156 
157     @Test
158     public void testConnectionRelease() throws Exception {
159         final HttpHost target = targetHost();
160         final String baseURL = "http://localhost:" + target.getPort();
161         for (int i = 0; i < 20; i++) {
162             Request.get(baseURL + "/").execute().returnContent();
163             Request.get(baseURL + "/").execute().returnResponse();
164             Request.get(baseURL + "/").execute().discardContent();
165             Request.get(baseURL + "/").execute().handleResponse(response -> null);
166             final File tmpFile = File.createTempFile("test", ".bin");
167             try {
168                 Request.get(baseURL + "/").execute().saveContent(tmpFile);
169             } finally {
170                 tmpFile.delete();
171             }
172         }
173     }
174 
175     private String generateLargeString(final int size) {
176         final StringBuilder sb = new StringBuilder(size);
177         for (int i = 0; i < size; i++) {
178             sb.append("x");
179         }
180         return sb.toString();
181     }
182 
183     @Test
184     public void testLargeResponse() throws Exception {
185 
186         final HttpHost target = targetHost();
187         final String baseURL = "http://localhost:" + target.getPort();
188 
189         final Content content = Request.get(baseURL + "/large-message").execute().returnContent();
190         Assertions.assertEquals(10000, content.asBytes().length);
191     }
192 
193     @Test
194     public void testLargeResponseError() throws Exception {
195         final HttpHost target = targetHost();
196         final String baseURL = "http://localhost:" + target.getPort();
197 
198         try {
199             Request.get(baseURL + "/large-message-error").execute().returnContent();
200             Assertions.fail("Expected an HttpResponseException to be thrown");
201         } catch (final HttpResponseException e) {
202             // Check if the content of the exception is less than or equal to 256 bytes
203             final byte[] contentBytes = e.getContentBytes();
204             Assertions.assertNotNull(contentBytes, "Content bytes should not be null");
205             Assertions.assertTrue(contentBytes.length <= 256, "Content length should be less or equal to 256 bytes");
206         }
207     }
208 
209 }