-
Notifications
You must be signed in to change notification settings - Fork 215
/
ThingUpdaterTest.java
232 lines (201 loc) · 10.3 KB
/
ThingUpdaterTest.java
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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.thingsearch.service.updater.actors;
import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.List;
import org.bson.BsonArray;
import org.bson.BsonDocument;
import org.bson.BsonInt64;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.internal.utils.akka.ActorSystemResource;
import org.eclipse.ditto.internal.utils.config.DefaultScopedConfig;
import org.eclipse.ditto.json.JsonPointer;
import org.eclipse.ditto.json.JsonValue;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.things.model.signals.events.AttributeModified;
import org.eclipse.ditto.thingsearch.service.common.config.DittoSearchConfig;
import org.eclipse.ditto.thingsearch.service.common.config.SearchConfig;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.Metadata;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.ThingWriteModel;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.WriteResultAndErrors;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.mongodb.scala.bson.BsonInt32;
import com.mongodb.bulk.BulkWriteResult;
import com.mongodb.client.model.UpdateOneModel;
import com.typesafe.config.ConfigFactory;
import akka.NotUsed;
import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.Props;
import akka.actor.ReceiveTimeout;
import akka.stream.javadsl.Flow;
import akka.stream.javadsl.Keep;
import akka.stream.javadsl.MergeHub;
import akka.stream.javadsl.Source;
import akka.stream.scaladsl.BroadcastHub;
import akka.stream.testkit.TestPublisher;
import akka.stream.testkit.TestSubscriber;
import akka.stream.testkit.javadsl.TestSink;
import akka.stream.testkit.javadsl.TestSource;
import akka.testkit.TestKit;
import scala.concurrent.duration.FiniteDuration;
/**
* Tests {@link ThingUpdater}.
*/
public final class ThingUpdaterTest {
private static final FiniteDuration TEN_SECOND = FiniteDuration.apply(10, "s");
private static final SearchConfig SEARCH_CONFIG =
DittoSearchConfig.of(DefaultScopedConfig.dittoScoped(ConfigFactory.parseString("""
ditto {
things-search = {}
mongodb.uri = "mongodb://localhost:27017/test"
}
""")));
private static final ThingId THING_ID = ThingId.of("thing:id");
private static final long REVISION = 1234L;
private static final String ACTOR_NAME = URLEncoder.encode(THING_ID.toString(), StandardCharsets.UTF_8);
@Rule
public final ActorSystemResource actorSystemResource = ActorSystemResource.newInstance();
private ActorSystem system;
private Flow<ThingUpdater.Data, ThingUpdater.Result, NotUsed> flow;
private TestSubscriber.Probe<ThingUpdater.Data> inletProbe;
private TestPublisher.Probe<ThingUpdater.Result> outletProbe;
@Before
public void init() {
system = actorSystemResource.getActorSystem();
final var inletPair =
MergeHub.of(ThingUpdater.Data.class).toMat(TestSink.probe(system), Keep.both()).run(system);
final var outletPair =
TestSource.<ThingUpdater.Result>probe(system).toMat(BroadcastHub.sink(), Keep.both()).run(system);
flow = Flow.fromSinkAndSource(inletPair.first(), outletPair.second());
inletProbe = inletPair.second();
outletProbe = outletPair.first();
}
@Test
public void recoverLastWriteModel() {
new TestKit(system) {{
// GIVEN: ThingUpdater recovers with a write model of revision 1234
final Props props = ThingUpdater.props(flow, id -> Source.single(getThingWriteModel()), SEARCH_CONFIG);
final ActorRef underTest = watch(childActorOf(props, ACTOR_NAME));
// WHEN: An event of the same revision arrives
underTest.tell(AttributeModified.of(THING_ID, JsonPointer.of("x"), JsonValue.of(5), REVISION, null,
DittoHeaders.empty(), null), ActorRef.noSender());
// THEN: No update is sent to the database during the actor's lifetime
inletProbe.ensureSubscription();
inletProbe.request(16);
inletProbe.expectNoMessage();
underTest.tell(ReceiveTimeout.getInstance(), ActorRef.noSender());
expectTerminated(underTest, TEN_SECOND);
inletProbe.expectNoMessage();
}};
}
@Test
public void updateFromEvent() {
new TestKit(system) {{
// GIVEN: ThingUpdater recovers with a write model of revision 1234
final Props props = ThingUpdater.props(flow, id -> Source.single(getThingWriteModel()), SEARCH_CONFIG);
final ActorRef underTest = watch(childActorOf(props, ACTOR_NAME));
// WHEN: An event of the next revision arrives
final var event = AttributeModified.of(THING_ID, JsonPointer.of("x"), JsonValue.of(6), REVISION + 1, null,
DittoHeaders.empty(), null);
underTest.tell(event, ActorRef.noSender());
// THEN: 1 update is sent
inletProbe.ensureSubscription();
inletProbe.request(16);
final var data = inletProbe.expectNext();
assertThat(data.metadata().export()).isEqualTo(Metadata.of(THING_ID, REVISION + 1, null, null, null));
assertThat(data.metadata().getTimers().size()).isEqualTo(1);
assertThat(data.lastWriteModel()).isEqualTo(getThingWriteModel());
}};
}
@Test
public void combineUpdatesFrom2Events() {
new TestKit(system) {{
// GIVEN: ThingUpdater recovers with a write model of revision 1234
final Props props = ThingUpdater.props(flow, id -> Source.single(getThingWriteModel()), SEARCH_CONFIG);
// WHEN: 2 event of the next revisions arrive
final var event1 = AttributeModified.of(THING_ID, JsonPointer.of("x"), JsonValue.of(6), REVISION + 1, null,
DittoHeaders.empty(), null);
final var event2 = AttributeModified.of(THING_ID, JsonPointer.of("x"), JsonValue.of(7), REVISION + 2, null,
DittoHeaders.empty(), null);
final ActorRef underTest = watch(childActorOf(props, ACTOR_NAME));
underTest.tell(event1, ActorRef.noSender());
underTest.tell(event2, ActorRef.noSender());
// THEN: 1 update is sent
inletProbe.ensureSubscription();
inletProbe.request(16);
final var data = inletProbe.expectNext();
assertThat(data.metadata().export()).isEqualTo(Metadata.of(THING_ID, REVISION + 2, null, null, null));
assertThat(data.metadata().getTimers().size()).isEqualTo(2);
assertThat(data.metadata().getEvents().size()).isEqualTo(2);
assertThat(data.lastWriteModel()).isEqualTo(getThingWriteModel());
// THEN: no other updates are sent
underTest.tell(ReceiveTimeout.getInstance(), ActorRef.noSender());
outletProbe.ensureSubscription();
outletProbe.expectRequest();
outletProbe.sendError(new IllegalStateException("Expected exception"));
expectTerminated(underTest, TEN_SECOND);
inletProbe.expectNoMessage();
}};
}
@Test
public void stashEventsDuringPersistence() {
new TestKit(system) {{
// GIVEN: an event triggers persistence
final Props props = ThingUpdater.props(flow, id -> Source.single(getThingWriteModel()), SEARCH_CONFIG);
final var event1 = AttributeModified.of(THING_ID, JsonPointer.of("x"), JsonValue.of(6), REVISION + 1, null,
DittoHeaders.empty(), null);
final var event2 = AttributeModified.of(THING_ID, JsonPointer.of("x"), JsonValue.of(7), REVISION + 2, null,
DittoHeaders.empty(), null);
final ActorRef underTest = watch(childActorOf(props, ACTOR_NAME));
underTest.tell(event1, ActorRef.noSender());
// WHEN: a second event arrives during persistence
inletProbe.ensureSubscription();
inletProbe.request(16);
final var data1 = inletProbe.expectNext();
assertThat(data1.metadata().export()).isEqualTo(Metadata.of(THING_ID, REVISION + 1, null, null, null));
underTest.tell(event2, ActorRef.noSender());
// THEN: no second update is sent until the first event is persisted
inletProbe.expectNoMessage();
outletProbe.ensureSubscription();
outletProbe.expectRequest();
outletProbe.sendNext(getOKResult(REVISION + 1));
final var data2 = inletProbe.expectNext(TEN_SECOND);
assertThat(data2.metadata().export()).isEqualTo(Metadata.of(THING_ID, REVISION + 2, null, null, null));
}};
}
private static ThingUpdater.Result getOKResult(final long revision) {
final var mongoWriteModel =
MongoWriteModel.of(getThingWriteModel(revision),
new UpdateOneModel<>(new BsonDocument(), new BsonDocument()), true);
return new ThingUpdater.Result(mongoWriteModel,
WriteResultAndErrors.success(List.of(mongoWriteModel),
BulkWriteResult.acknowledged(0, 1, 0, 1, List.of(), List.of()), String.valueOf(revision))
);
}
private static ThingWriteModel getThingWriteModel() {
return getThingWriteModel(REVISION);
}
private static ThingWriteModel getThingWriteModel(final long revision) {
final var document = new BsonDocument()
.append("_revision", new BsonInt64(revision))
.append("f", new BsonArray())
.append("t", new BsonDocument().append("attributes",
new BsonDocument().append("x", BsonInt32.apply(5))));
return ThingWriteModel.of(Metadata.of(THING_ID, revision, null, null, null), document);
}
}