-
Notifications
You must be signed in to change notification settings - Fork 1.5k
/
DefaultKafkaHeaderMapperTests.java
359 lines (326 loc) · 13.8 KB
/
DefaultKafkaHeaderMapperTests.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
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
/*
* Copyright 2017-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.kafka.support;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.entry;
import java.net.URI;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.kafka.common.header.Header;
import org.apache.kafka.common.header.Headers;
import org.apache.kafka.common.header.internals.RecordHeader;
import org.apache.kafka.common.header.internals.RecordHeaders;
import org.junit.jupiter.api.Test;
import org.springframework.kafka.support.DefaultKafkaHeaderMapper.NonTrustedHeaderType;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.ExecutorSubscribableChannel;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MimeType;
import org.springframework.util.MimeTypeUtils;
/**
* @author Gary Russell
* @author Artem Bilan
*
* @since 1.3
*
*/
public class DefaultKafkaHeaderMapperTests {
@Test
void testTrustedAndNot() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
mapper.addToStringClasses(Bar.class.getName());
MimeType utf8Text = new MimeType(MimeTypeUtils.TEXT_PLAIN, StandardCharsets.UTF_8);
Message<String> message = MessageBuilder.withPayload("foo")
.setHeader("foo", "bar".getBytes())
.setHeader("baz", "qux")
.setHeader("fix", new Foo())
.setHeader("linkedMVMap", new LinkedMultiValueMap<>())
.setHeader(MessageHeaders.REPLY_CHANNEL, new ExecutorSubscribableChannel())
.setHeader(MessageHeaders.ERROR_CHANNEL, "errors")
.setHeader(MessageHeaders.CONTENT_TYPE, utf8Text)
.setHeader("simpleContentType", MimeTypeUtils.TEXT_PLAIN_VALUE)
.setHeader("customToString", new Bar("fiz"))
.setHeader("uri", URI.create("https://foo.bar"))
.setHeader("intA", new int[] { 42 })
.setHeader("longA", new long[] { 42L })
.setHeader("floatA", new float[] { 1.0f })
.setHeader("doubleA", new double[] { 1.0 })
.setHeader("charA", new char[] { 'c' })
.setHeader("boolA", new boolean[] { true })
.setHeader("IntA", new Integer[] { 42 })
.setHeader("LongA", new Long[] { 42L })
.setHeader("FloatA", new Float[] { 1.0f })
.setHeader("DoubleA", new Double[] { 1.0 })
.setHeader("CharA", new Character[] { 'c' })
.setHeader("BoolA", new Boolean[] { true })
.setHeader("stringA", new String[] { "array" })
.build();
RecordHeaders recordHeaders = new RecordHeaders();
mapper.fromHeaders(message.getHeaders(), recordHeaders);
int expectedSize = message.getHeaders().size() - 3; // ID, Timestamp, reply channel
assertThat(recordHeaders.toArray().length).isEqualTo(expectedSize + 1); // json_types header
Map<String, Object> headers = new HashMap<>();
mapper.toHeaders(recordHeaders, headers);
assertThat(headers.get("foo")).isInstanceOf(byte[].class);
assertThat(new String((byte[]) headers.get("foo"))).isEqualTo("bar");
assertThat(headers.get("baz")).isEqualTo("qux");
assertThat(headers.get("fix")).isInstanceOf(NonTrustedHeaderType.class);
assertThat(headers.get("linkedMVMap")).isInstanceOf(LinkedMultiValueMap.class);
assertThat(MimeType.valueOf(headers.get(MessageHeaders.CONTENT_TYPE).toString())).isEqualTo(utf8Text);
assertThat(headers.get("simpleContentType")).isEqualTo(MimeTypeUtils.TEXT_PLAIN_VALUE);
assertThat(headers.get(MessageHeaders.REPLY_CHANNEL)).isNull();
assertThat(headers.get(MessageHeaders.ERROR_CHANNEL)).isEqualTo("errors");
assertThat(headers.get("customToString")).isEqualTo("Bar [field=fiz]");
assertThat(headers.get("uri")).isEqualTo(URI.create("https://foo.bar"));
assertThat(headers.get("intA")).isEqualTo(new int[] { 42 });
assertThat(headers.get("longA")).isEqualTo(new long[] { 42L });
assertThat(headers.get("floatA")).isEqualTo(new float[] { 1.0f });
assertThat(headers.get("doubleA")).isEqualTo(new double[] { 1.0 });
assertThat(headers.get("charA")).isEqualTo(new char[] { 'c' });
assertThat(headers.get("IntA")).isEqualTo(new Integer[] { 42 });
assertThat(headers.get("LongA")).isEqualTo(new Long[] { 42L });
assertThat(headers.get("FloatA")).isEqualTo(new Float[] { 1.0f });
assertThat(headers.get("DoubleA")).isEqualTo(new Double[] { 1.0 });
assertThat(headers.get("CharA")).isEqualTo(new Character[] { 'c' });
assertThat(headers.get("stringA")).isEqualTo(new String[] { "array" });
NonTrustedHeaderType ntht = (NonTrustedHeaderType) headers.get("fix");
assertThat(ntht.getHeaderValue()).isNotNull();
assertThat(ntht.getUntrustedType()).isEqualTo(Foo.class.getName());
assertThat(headers).hasSize(expectedSize);
mapper.addTrustedPackages(getClass().getPackage().getName());
headers = new HashMap<>();
mapper.toHeaders(recordHeaders, headers);
assertThat(headers.get("foo")).isInstanceOf(byte[].class);
assertThat(new String((byte[]) headers.get("foo"))).isEqualTo("bar");
assertThat(headers.get("baz")).isEqualTo("qux");
assertThat(headers.get("fix")).isEqualTo(new Foo());
assertThat(headers).hasSize(expectedSize);
}
@Test
void testDeserializedNonTrusted() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
Message<String> message = MessageBuilder.withPayload("foo")
.setHeader("fix", new Foo())
.build();
RecordHeaders recordHeaders = new RecordHeaders();
mapper.fromHeaders(message.getHeaders(), recordHeaders);
assertThat(recordHeaders.toArray().length).isEqualTo(2); // 1 + json_types
Map<String, Object> headers = new HashMap<>();
mapper.toHeaders(recordHeaders, headers);
assertThat(headers.get("fix")).isInstanceOf(NonTrustedHeaderType.class);
NonTrustedHeaderType ntht = (NonTrustedHeaderType) headers.get("fix");
assertThat(ntht.getHeaderValue()).isNotNull();
assertThat(ntht.getUntrustedType()).isEqualTo(Foo.class.getName());
assertThat(headers).hasSize(1);
recordHeaders = new RecordHeaders();
mapper.fromHeaders(new MessageHeaders(headers), recordHeaders);
headers = new HashMap<>();
mapper.toHeaders(recordHeaders, headers);
assertThat(headers.get("fix")).isInstanceOf(NonTrustedHeaderType.class);
ntht = (NonTrustedHeaderType) headers.get("fix");
assertThat(ntht.getHeaderValue()).isNotNull();
assertThat(ntht.getUntrustedType()).isEqualTo(Foo.class.getName());
mapper.addTrustedPackages(getClass().getPackage().getName());
headers = new HashMap<>();
mapper.toHeaders(recordHeaders, headers);
assertThat(headers.get("fix")).isInstanceOf(Foo.class);
}
@Test
void testMimeTypeInHeaders() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
MessageHeaders headers = new MessageHeaders(
Collections.singletonMap("foo",
Arrays.asList(MimeType.valueOf("application/json"), MimeType.valueOf("text/plain"))));
RecordHeaders recordHeaders = new RecordHeaders();
mapper.fromHeaders(headers, recordHeaders);
Map<String, Object> receivedHeaders = new HashMap<>();
mapper.toHeaders(recordHeaders, receivedHeaders);
Object fooHeader = receivedHeaders.get("foo");
assertThat(fooHeader).isInstanceOf(List.class);
assertThat(fooHeader).asList().containsExactly("application/json", "text/plain");
}
@Test
void testSpecificStringConvert() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
Map<String, Boolean> rawMappedHeaders = new HashMap<>();
rawMappedHeaders.put("thisOnesAString", true);
rawMappedHeaders.put("thisOnesBytes", false);
mapper.setRawMappedHeaders(rawMappedHeaders);
Map<String, Object> headersMap = new HashMap<>();
headersMap.put("thisOnesAString", "foo");
headersMap.put("thisOnesBytes", "bar");
headersMap.put("alwaysRaw", "baz".getBytes());
MessageHeaders headers = new MessageHeaders(headersMap);
Headers target = new RecordHeaders();
mapper.fromHeaders(headers, target);
assertThat(target).containsExactlyInAnyOrder(
new RecordHeader("thisOnesAString", "foo".getBytes()),
new RecordHeader("thisOnesBytes", "bar".getBytes()),
new RecordHeader("alwaysRaw", "baz".getBytes()));
headersMap.clear();
mapper.toHeaders(target, headersMap);
assertThat(headersMap).contains(
entry("thisOnesAString", "foo"),
entry("thisOnesBytes", "bar".getBytes()),
entry("alwaysRaw", "baz".getBytes()));
}
@Test
void testJsonStringConvert() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
Map<String, Boolean> rawMappedHeaders = new HashMap<>();
rawMappedHeaders.put("thisOnesBytes", false);
mapper.setRawMappedHeaders(rawMappedHeaders);
Map<String, Object> headersMap = new HashMap<>();
headersMap.put("thisOnesAString", "foo");
headersMap.put("thisOnesBytes", "bar");
headersMap.put("thisOnesEmpty", "");
headersMap.put("alwaysRaw", "baz".getBytes());
MessageHeaders headers = new MessageHeaders(headersMap);
Headers target = new RecordHeaders();
mapper.fromHeaders(headers, target);
assertThat(target).containsExactlyInAnyOrder(
new RecordHeader(DefaultKafkaHeaderMapper.JSON_TYPES,
("{\"thisOnesEmpty\":\"java.lang.String\","
+ "\"thisOnesAString\":\"java.lang.String\"}").getBytes()),
new RecordHeader("thisOnesAString", "foo".getBytes()),
new RecordHeader("alwaysRaw", "baz".getBytes()),
new RecordHeader("thisOnesEmpty", "".getBytes()),
new RecordHeader("thisOnesBytes", "bar".getBytes()));
headersMap.clear();
target.add(new RecordHeader(DefaultKafkaHeaderMapper.JSON_TYPES,
("{\"thisOnesEmpty\":\"java.lang.String\","
+ "\"thisOnesAString\":\"java.lang.String\","
+ "\"backwardCompatible\":\"java.lang.String\"}").getBytes()));
target.add(new RecordHeader("backwardCompatible", "\"qux\"".getBytes()));
mapper.toHeaders(target, headersMap);
assertThat(headersMap).contains(
entry("thisOnesAString", "foo"),
entry("thisOnesEmpty", ""),
entry("thisOnesBytes", "bar".getBytes()),
entry("alwaysRaw", "baz".getBytes()),
entry("backwardCompatible", "qux"));
// Now with String encoding
mapper.setEncodeStrings(true);
target = new RecordHeaders();
mapper.fromHeaders(headers, target);
assertThat(target).containsExactlyInAnyOrder(
new RecordHeader(DefaultKafkaHeaderMapper.JSON_TYPES,
("{\"thisOnesEmpty\":\"java.lang.String\","
+ "\"thisOnesAString\":\"java.lang.String\"}").getBytes()),
new RecordHeader("thisOnesAString", "\"foo\"".getBytes()),
new RecordHeader("thisOnesEmpty", "\"\"".getBytes()),
new RecordHeader("alwaysRaw", "baz".getBytes()),
new RecordHeader("thisOnesBytes", "bar".getBytes()));
}
@Test
void testAlwaysStringConvert() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
mapper.setMapAllStringsOut(true);
Map<String, Boolean> rawMappedHeaders = new HashMap<>();
rawMappedHeaders.put("thisOnesBytes", false);
mapper.setRawMappedHeaders(rawMappedHeaders);
Map<String, Object> headersMap = new HashMap<>();
headersMap.put("thisOnesAString", "foo");
headersMap.put("thisOnesBytes", "bar");
headersMap.put("alwaysRaw", "baz".getBytes());
MessageHeaders headers = new MessageHeaders(headersMap);
Headers target = new RecordHeaders();
mapper.fromHeaders(headers, target);
assertThat(target).containsExactlyInAnyOrder(
new RecordHeader("thisOnesAString", "foo".getBytes()),
new RecordHeader("thisOnesBytes", "bar".getBytes()),
new RecordHeader("alwaysRaw", "baz".getBytes()));
headersMap.clear();
mapper.toHeaders(target, headersMap);
assertThat(headersMap).contains(
entry("thisOnesAString", "foo".getBytes()),
entry("thisOnesBytes", "bar".getBytes()),
entry("alwaysRaw", "baz".getBytes()));
}
@Test
void deliveryAttempt() {
DefaultKafkaHeaderMapper mapper = new DefaultKafkaHeaderMapper();
byte[] delivery = new byte[4];
ByteBuffer.wrap(delivery).putInt(42);
Headers headers = new RecordHeaders(new Header[] { new RecordHeader(KafkaHeaders.DELIVERY_ATTEMPT, delivery) });
Map<String, Object> springHeaders = new HashMap<>();
mapper.toHeaders(headers, springHeaders);
assertThat(springHeaders.get(KafkaHeaders.DELIVERY_ATTEMPT)).isEqualTo(42);
headers = new RecordHeaders();
mapper.fromHeaders(new MessageHeaders(springHeaders), headers);
assertThat(headers.lastHeader(KafkaHeaders.DELIVERY_ATTEMPT)).isNull();
}
public static final class Foo {
private String bar = "bar";
public String getBar() {
return this.bar;
}
public void setBar(String bar) {
this.bar = bar;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((this.bar == null) ? 0 : this.bar.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
Foo other = (Foo) obj;
if (this.bar == null) {
return other.bar == null;
}
else {
return this.bar.equals(other.bar);
}
}
}
public static class Bar {
private String field;
public Bar() {
}
public Bar(String field) {
this.field = field;
}
public String getField() {
return this.field;
}
public void setField(String field) {
this.field = field;
}
@Override
public String toString() {
return "Bar [field=" + this.field + "]";
}
}
}