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
|
/*
* Copyright 2017, OpenCensus 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
*
* http://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 io.opencensus.implcore.trace.propagation;
import static com.google.common.truth.Truth.assertThat;
import static io.opencensus.implcore.trace.propagation.B3Format.X_B3_FLAGS;
import static io.opencensus.implcore.trace.propagation.B3Format.X_B3_PARENT_SPAN_ID;
import static io.opencensus.implcore.trace.propagation.B3Format.X_B3_SAMPLED;
import static io.opencensus.implcore.trace.propagation.B3Format.X_B3_SPAN_ID;
import static io.opencensus.implcore.trace.propagation.B3Format.X_B3_TRACE_ID;
import io.opencensus.trace.SpanContext;
import io.opencensus.trace.SpanId;
import io.opencensus.trace.TraceId;
import io.opencensus.trace.TraceOptions;
import io.opencensus.trace.propagation.SpanContextParseException;
import io.opencensus.trace.propagation.TextFormat.Getter;
import io.opencensus.trace.propagation.TextFormat.Setter;
import java.util.HashMap;
import java.util.Map;
import javax.annotation.Nullable;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link B3Format}. */
@RunWith(JUnit4.class)
public class B3FormatTest {
private static final String TRACE_ID_BASE16 = "ff000000000000000000000000000041";
private static final TraceId TRACE_ID = TraceId.fromLowerBase16(TRACE_ID_BASE16);
private static final String TRACE_ID_BASE16_EIGHT_BYTES = "0000000000000041";
private static final TraceId TRACE_ID_EIGHT_BYTES =
TraceId.fromLowerBase16("0000000000000000" + TRACE_ID_BASE16_EIGHT_BYTES);
private static final String SPAN_ID_BASE16 = "ff00000000000041";
private static final SpanId SPAN_ID = SpanId.fromLowerBase16(SPAN_ID_BASE16);
private static final byte TRACE_OPTIONS_BYTE = 1;
private static final TraceOptions TRACE_OPTIONS = TraceOptions.fromByte(TRACE_OPTIONS_BYTE);
private static final Setter<Map<String, String>> setter =
new Setter<Map<String, String>>() {
@Override
public void put(Map<String, String> carrier, String key, String value) {
carrier.put(key, value);
}
};
private static final Getter<Map<String, String>> getter =
new Getter<Map<String, String>>() {
@Nullable
@Override
public String get(Map<String, String> carrier, String key) {
return carrier.get(key);
}
};
private final B3Format b3Format = new B3Format();
@Rule public ExpectedException thrown = ExpectedException.none();
@Test
public void serialize_SampledContext() {
Map<String, String> carrier = new HashMap<String, String>();
b3Format.inject(SpanContext.create(TRACE_ID, SPAN_ID, TRACE_OPTIONS), carrier, setter);
assertThat(carrier)
.containsExactly(
X_B3_TRACE_ID, TRACE_ID_BASE16, X_B3_SPAN_ID, SPAN_ID_BASE16, X_B3_SAMPLED, "1");
}
@Test
public void serialize_NotSampledContext() {
Map<String, String> carrier = new HashMap<String, String>();
b3Format.inject(SpanContext.create(TRACE_ID, SPAN_ID, TraceOptions.DEFAULT), carrier, setter);
assertThat(carrier)
.containsExactly(X_B3_TRACE_ID, TRACE_ID_BASE16, X_B3_SPAN_ID, SPAN_ID_BASE16);
}
@Test
public void parseMissingSampledAndMissingFlag() throws SpanContextParseException {
Map<String, String> headersNotSampled = new HashMap<String, String>();
headersNotSampled.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
headersNotSampled.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
SpanContext spanContext = SpanContext.create(TRACE_ID, SPAN_ID, TraceOptions.DEFAULT);
assertThat(b3Format.extract(headersNotSampled, getter)).isEqualTo(spanContext);
}
@Test
public void parseSampled() throws SpanContextParseException {
Map<String, String> headersSampled = new HashMap<String, String>();
headersSampled.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
headersSampled.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
headersSampled.put(X_B3_SAMPLED, "1");
assertThat(b3Format.extract(headersSampled, getter))
.isEqualTo(SpanContext.create(TRACE_ID, SPAN_ID, TRACE_OPTIONS));
}
@Test
public void parseZeroSampled() throws SpanContextParseException {
Map<String, String> headersNotSampled = new HashMap<String, String>();
headersNotSampled.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
headersNotSampled.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
headersNotSampled.put(X_B3_SAMPLED, "0");
assertThat(b3Format.extract(headersNotSampled, getter))
.isEqualTo(SpanContext.create(TRACE_ID, SPAN_ID, TraceOptions.DEFAULT));
}
@Test
public void parseFlag() throws SpanContextParseException {
Map<String, String> headersFlagSampled = new HashMap<String, String>();
headersFlagSampled.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
headersFlagSampled.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
headersFlagSampled.put(X_B3_FLAGS, "1");
assertThat(b3Format.extract(headersFlagSampled, getter))
.isEqualTo(SpanContext.create(TRACE_ID, SPAN_ID, TRACE_OPTIONS));
}
@Test
public void parseZeroFlag() throws SpanContextParseException {
Map<String, String> headersFlagNotSampled = new HashMap<String, String>();
headersFlagNotSampled.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
headersFlagNotSampled.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
headersFlagNotSampled.put(X_B3_FLAGS, "0");
assertThat(b3Format.extract(headersFlagNotSampled, getter))
.isEqualTo(SpanContext.create(TRACE_ID, SPAN_ID, TraceOptions.DEFAULT));
}
@Test
public void parseEightBytesTraceId() throws SpanContextParseException {
Map<String, String> headersEightBytes = new HashMap<String, String>();
headersEightBytes.put(X_B3_TRACE_ID, TRACE_ID_BASE16_EIGHT_BYTES);
headersEightBytes.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
headersEightBytes.put(X_B3_SAMPLED, "1");
assertThat(b3Format.extract(headersEightBytes, getter))
.isEqualTo(SpanContext.create(TRACE_ID_EIGHT_BYTES, SPAN_ID, TRACE_OPTIONS));
}
@Test
public void parseEightBytesTraceId_NotSampledSpanContext() throws SpanContextParseException {
Map<String, String> headersEightBytes = new HashMap<String, String>();
headersEightBytes.put(X_B3_TRACE_ID, TRACE_ID_BASE16_EIGHT_BYTES);
headersEightBytes.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
assertThat(b3Format.extract(headersEightBytes, getter))
.isEqualTo(SpanContext.create(TRACE_ID_EIGHT_BYTES, SPAN_ID, TraceOptions.DEFAULT));
}
@Test
public void parseInvalidTraceId() throws SpanContextParseException {
Map<String, String> invalidHeaders = new HashMap<String, String>();
invalidHeaders.put(X_B3_TRACE_ID, "abcdefghijklmnop");
invalidHeaders.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
thrown.expect(SpanContextParseException.class);
thrown.expectMessage("Invalid input.");
b3Format.extract(invalidHeaders, getter);
}
@Test
public void parseInvalidTraceId_Size() throws SpanContextParseException {
Map<String, String> invalidHeaders = new HashMap<String, String>();
invalidHeaders.put(X_B3_TRACE_ID, "0123456789abcdef00");
invalidHeaders.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
thrown.expect(SpanContextParseException.class);
thrown.expectMessage("Invalid input.");
b3Format.extract(invalidHeaders, getter);
}
@Test
public void parseMissingTraceId() throws SpanContextParseException {
Map<String, String> invalidHeaders = new HashMap<String, String>();
invalidHeaders.put(X_B3_SPAN_ID, SPAN_ID_BASE16);
thrown.expect(SpanContextParseException.class);
thrown.expectMessage("Missing X_B3_TRACE_ID.");
b3Format.extract(invalidHeaders, getter);
}
@Test
public void parseInvalidSpanId() throws SpanContextParseException {
Map<String, String> invalidHeaders = new HashMap<String, String>();
invalidHeaders.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
invalidHeaders.put(X_B3_SPAN_ID, "abcdefghijklmnop");
thrown.expect(SpanContextParseException.class);
thrown.expectMessage("Invalid input.");
b3Format.extract(invalidHeaders, getter);
}
@Test
public void parseInvalidSpanId_Size() throws SpanContextParseException {
Map<String, String> invalidHeaders = new HashMap<String, String>();
invalidHeaders.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
invalidHeaders.put(X_B3_SPAN_ID, "0123456789abcdef00");
thrown.expect(SpanContextParseException.class);
thrown.expectMessage("Invalid input.");
b3Format.extract(invalidHeaders, getter);
}
@Test
public void parseMissingSpanId() throws SpanContextParseException {
Map<String, String> invalidHeaders = new HashMap<String, String>();
invalidHeaders.put(X_B3_TRACE_ID, TRACE_ID_BASE16);
thrown.expect(SpanContextParseException.class);
thrown.expectMessage("Missing X_B3_SPAN_ID.");
b3Format.extract(invalidHeaders, getter);
}
@Test
public void fields_list() {
assertThat(b3Format.fields())
.containsExactly(
X_B3_TRACE_ID, X_B3_SPAN_ID, X_B3_PARENT_SPAN_ID, X_B3_SAMPLED, X_B3_FLAGS);
}
}
|
