1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.server.jetty;
import com.yahoo.jdisc.http.server.jetty.JettyHttpServer.Metrics;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpURI;
import org.eclipse.jetty.http.HttpVersion;
import org.eclipse.jetty.http.MetaData;
import org.eclipse.jetty.http.MetaData.Response;
import org.eclipse.jetty.server.AbstractConnector;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.HttpChannel;
import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.server.HttpTransport;
import org.eclipse.jetty.server.Request;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.server.handler.AbstractHandler;
import org.eclipse.jetty.util.Callback;
import org.testng.annotations.BeforeTest;
import org.testng.annotations.Test;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Map;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
/**
* @author ollivir
*/
public class HttpResponseStatisticsCollectorTest {
private Connector connector;
private HttpResponseStatisticsCollector collector = new HttpResponseStatisticsCollector();
private int httpResponseCode = 500;
@Test
public void statistics_are_aggregated_by_category() throws Exception {
testRequest(300, "GET");
testRequest(301, "GET");
testRequest(200, "GET");
Map<String, Map<String, Long>> stats = collector.takeStatisticsByMethod();
assertThat(stats.get("GET").get(Metrics.RESPONSES_2XX), equalTo(1L));
assertThat(stats.get("GET").get(Metrics.RESPONSES_3XX), equalTo(2L));
}
@Test
public void statistics_are_grouped_by_http_method() throws Exception {
testRequest(200, "GET");
testRequest(200, "PUT");
testRequest(200, "POST");
testRequest(200, "POST");
testRequest(404, "GET");
Map<String, Map<String, Long>> stats = collector.takeStatisticsByMethod();
assertThat(stats.get("GET").get(Metrics.RESPONSES_2XX), equalTo(1L));
assertThat(stats.get("GET").get(Metrics.RESPONSES_4XX), equalTo(1L));
assertThat(stats.get("PUT").get(Metrics.RESPONSES_2XX), equalTo(1L));
assertThat(stats.get("POST").get(Metrics.RESPONSES_2XX), equalTo(2L));
}
@Test
public void statistics_include_grouped_and_single_statuscodes() throws Exception {
testRequest(401, "GET");
testRequest(404, "GET");
testRequest(403, "GET");
Map<String, Map<String, Long>> stats = collector.takeStatisticsByMethod();
assertThat(stats.get("GET").get(Metrics.RESPONSES_4XX), equalTo(3L));
assertThat(stats.get("GET").get(Metrics.RESPONSES_401), equalTo(1L));
assertThat(stats.get("GET").get(Metrics.RESPONSES_403), equalTo(1L));
}
@Test
public void retrieving_statistics_resets_the_counters() throws Exception {
testRequest(200, "GET");
testRequest(200, "GET");
Map<String, Map<String, Long>> stats = collector.takeStatisticsByMethod();
assertThat(stats.get("GET").get(Metrics.RESPONSES_2XX), equalTo(2L));
testRequest(200, "GET");
stats = collector.takeStatisticsByMethod();
assertThat(stats.get("GET").get(Metrics.RESPONSES_2XX), equalTo(1L));
}
@BeforeTest
public void initializeCollector() throws Exception {
Server server = new Server();
connector = new AbstractConnector(server, null, null, null, 0) {
@Override
protected void accept(int acceptorID) throws IOException, InterruptedException {
}
@Override
public Object getTransport() {
return null;
}
};
collector.setHandler(new AbstractHandler() {
@Override
public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
baseRequest.setHandled(true);
baseRequest.getResponse().setStatus(httpResponseCode);
}
});
server.setHandler(collector);
server.start();
}
private Request testRequest(int responseCode, String httpMethod) throws Exception {
HttpChannel channel = new HttpChannel(connector, new HttpConfiguration(), null, new DummyTransport());
MetaData.Request metaData = new MetaData.Request(httpMethod, new HttpURI("http://foo/bar"), HttpVersion.HTTP_1_1, new HttpFields());
Request req = channel.getRequest();
req.setMetaData(metaData);
this.httpResponseCode = responseCode;
channel.handle();
return req;
}
private final class DummyTransport implements HttpTransport {
@Override
public void send(Response info, boolean head, ByteBuffer content, boolean lastContent, Callback callback) {
callback.succeeded();
}
@Override
public boolean isPushSupported() {
return false;
}
@Override
public boolean isOptimizedForDirectBuffers() {
return false;
}
@Override
public void push(MetaData.Request request) {
}
@Override
public void onCompleted() {
}
@Override
public void abort(Throwable failure) {
}
}
}
|
