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
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.hosted.client;
import ai.vespa.hosted.client.HttpClient.HostStrategy;
import ai.vespa.hosted.client.HttpClient.ResponseException;
import com.github.tomakehurst.wiremock.http.Fault;
import com.yahoo.concurrent.UncheckedTimeoutException;
import com.yahoo.test.ManualClock;
import com.yahoo.time.TimeBudget;
import org.apache.hc.client5.http.impl.classic.HttpClients;
import org.apache.hc.core5.http.Method;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.net.URI;
import java.time.Duration;
import java.util.List;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.anyRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.anyUrl;
import static com.github.tomakehurst.wiremock.client.WireMock.equalTo;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.getRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.okJson;
import static com.github.tomakehurst.wiremock.client.WireMock.post;
import static com.github.tomakehurst.wiremock.client.WireMock.postRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
/**
* @author jonmv
*/
class ApacheHttpClientTest {
@RegisterExtension
final WireMockExtension server = new WireMockExtension();
HttpClient client;
@BeforeEach
void setup() {
client = AbstractHttpClient.wrapping(HttpClients.createMinimal());
}
@Test
void testRetries() {
// Two servers in list--two attempts on IOException.
server.stubFor(get("/root?query=foo"))
.setResponse(okJson("{}").withFault(Fault.RANDOM_DATA_THEN_CLOSE)
.build());
assertThrows(UncheckedIOException.class,
() -> client.send(HostStrategy.ordered(List.of(URI.create("http://localhost:" + server.port()),
URI.create("http://localhost:" + server.port() + "/"))),
Method.GET)
.at("root")
.parameters("query", "foo")
.discard());
server.verify(2, getRequestedFor(urlEqualTo("/root?query=foo")));
server.verify(2, anyRequestedFor(anyUrl()));
server.resetRequests();
// Two attempts on a different IOException.
server.stubFor(post("/prefix/root"))
.setResponse(okJson("{}").withFault(Fault.EMPTY_RESPONSE)
.build());
assertThrows(UncheckedIOException.class,
() -> client.send(HostStrategy.shuffling(List.of(URI.create("http://localhost:" + server.port() + "/prefix"),
URI.create("http://localhost:" + server.port() + "/prefix/"))),
Method.POST)
.body("hello".getBytes(UTF_8))
.at("root")
.stream());
server.verify(2, postRequestedFor(urlEqualTo("/prefix/root")).withRequestBody(equalTo("hello")));
server.verify(2, anyRequestedFor(anyUrl()));
server.resetRequests();
// Successful attempt returns.
server.stubFor(get("/root/boot/toot"))
.setResponse(okJson("{}").build());
assertEquals("{}",
client.send(HostStrategy.repeating(URI.create("http://localhost:" + server.port()), 10),
Method.GET)
.at("root", "boot")
.at("toot")
.read(String::new));
server.verify(1, getRequestedFor(urlEqualTo("/root/boot/toot")));
server.verify(1, anyRequestedFor(anyUrl()));
server.resetRequests();
// ResponseException is not retried.
server.stubFor(get("/"))
.setResponse(aResponse().withStatus(409).withBody("hi").build());
ResponseException thrown = assertThrows(ResponseException.class,
() -> client.send(HostStrategy.repeating(URI.create("http://localhost:" + server.port()), 10),
Method.GET)
.read(String::new));
assertEquals("GET http://localhost:" + server.port() + "/ failed with status 409 and body 'hi'", thrown.getMessage());
server.verify(1, getRequestedFor(urlEqualTo("/")));
server.verify(1, anyRequestedFor(anyUrl()));
server.resetRequests();
// Timeout results in UncheckedTimeoutException
ManualClock clock = new ManualClock();
TimeBudget budget = TimeBudget.fromNow(clock, Duration.ofSeconds(1));
clock.advance(Duration.ofSeconds(1));
UncheckedTimeoutException timeout = assertThrows(UncheckedTimeoutException.class,
() -> client.send(HostStrategy.repeating(URI.create("http://localhost:" + server.port()), 2),
Method.GET)
.deadline(budget)
.discard());
assertEquals("Time since start PT1S exceeds timeout PT1S", timeout.getMessage());
server.verify(0, anyRequestedFor(anyUrl()));
server.resetRequests();
}
@AfterEach
void teardown() throws IOException {
client.close();
}
}
|
