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
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.feedhandler;
import com.yahoo.container.jdisc.HttpRequest;
import com.yahoo.jdisc.HeaderFields;
import com.yahoo.jdisc.Metric;
import com.yahoo.container.logging.AccessLog;
import com.yahoo.metrics.simple.MetricReceiver;
import com.yahoo.vespa.http.client.core.Headers;
import com.yahoo.vespa.http.client.core.OperationStatus;
import com.yahoo.vespa.http.server.FeedHandler;
import com.yahoo.vespa.http.server.Feeder;
import org.junit.Test;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Executors;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertThat;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* Unit test for FeedHandler class.
*
* @author dybis
*/
public class FeedHandlerTest {
/**
* This class extends FeedHandler and allows to create a custom Feeder.
*/
static class TestFeedHandler extends FeedHandler {
private final CountDownLatch countDownLatch = new CountDownLatch(1);
public TestFeedHandler() throws Exception {
super(new FeedHandler.Context(Executors.newCachedThreadPool(),
mock(AccessLog.class),
mock(Metric.class)),
null, null, null, MetricReceiver.nullImplementation);
}
/**
* Builds a feeder that blocks until countDownLatch is stepped down.
*/
@Override
protected Feeder createFeeder(
com.yahoo.container.jdisc.HttpRequest request,
InputStream requestInputStream,
final BlockingQueue<OperationStatus> operations,
String clientId,
boolean sessionIdWasGeneratedJustNow,
int protocolVersion) throws Exception {
Feeder feeder = mock(Feeder.class);
doAnswer(invocation -> {
try {
countDownLatch.await();
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
return null;
}).when(feeder).waitForRequestReceived();
return feeder;
}
}
/**
* nginx require that a post is finished before the server ack with a response. This behaviour is verified
* in this test
*/
@Test
public void testResponseIsSentAfterWaitForRequestReceivedReturns() throws Exception {
HttpRequest request = mock(HttpRequest.class);
// Create a request with valid version.
com.yahoo.jdisc.http.HttpRequest jdiscRequest = mock(com.yahoo.jdisc.http.HttpRequest.class);
HeaderFields headerFields = mock(HeaderFields.class);
List<String> version = new ArrayList<>();
version.add("2");
when(headerFields.get(Headers.VERSION)).thenReturn(version);
when(jdiscRequest.headers()).thenReturn(headerFields);
when(request.getJDiscRequest()).thenReturn(jdiscRequest);
TestFeedHandler feedHandler = new TestFeedHandler();
// After a short period, make the feed finish.
new Thread(() -> {
try {
Thread.sleep(50);
} catch (InterruptedException e) {
throw new RuntimeException(e);
}
feedHandler.countDownLatch.countDown();
}).start();
// This should not return before countdown latch is stepped down.
feedHandler.handle(request);
// This should always returns after the countDownLatch has become zero. This might cause false positive,
// but not false negatives. This is fine.
assertThat(feedHandler.countDownLatch.getCount(), is(0L));
}
}
|
