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
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.metrics;
import junit.framework.TestCase;
public class MetricSetTest extends TestCase {
class TestMetricVisitor extends MetricVisitor {
String output = "";
int setsToVisit;
TestMetricVisitor(int setsToVisit) {
this.setsToVisit = setsToVisit;
}
public boolean visitMetricSet(MetricSet set, boolean autoGenerated) {
output += "[" + (autoGenerated ? "*" : "") + set.getName() + "]\n";
if (setsToVisit > 0) {
--setsToVisit;
return true;
}
return false;
}
public boolean visitPrimitiveMetric(Metric m, boolean autoGenerated) {
output += (autoGenerated ? "*" : "") + m.getName() + "\n";
return true;
}
}
public void testNormalUsage()
{
// Set up some metrics to test..
MetricSet set = new SimpleMetricSet("a", "foo", "");
SummedDoubleValueMetric v1 = new SummedDoubleValueMetric("c", "foo", "", set);
AveragedLongValueMetric v2 = new AveragedLongValueMetric("b", "", "", set);
CountMetric v3 = new CountMetric("d", "bar", "", set);
MetricSet set2 = new SimpleMetricSet("e", "bar", "", set);
CountMetric v4 = new CountMetric("f", "foo", "", set2);
// Give them some values
v1.addValue(4.2);
v2.addValue((long)8);
v3.inc();
v4.inc(3);
// Check that we can register through registerMetric function too.
CountMetric v5 = new CountMetric("g", "", "", null);
set.registerMetric(v5);
v5.inc(3);
v5.dec();
// Check that getMetric works, and doesn't return copy.
AveragedLongValueMetric v2copy = (AveragedLongValueMetric)set.getMetric("b");
assertNotNull(v2copy);
v2copy.addValue((long)9);
assertNull(set.getMetric("nonexisting"));
assertNull(set.getMetric("non.existing"));
// Check that paths are set
MetricSet topSet = new SimpleMetricSet("top", "", "", null);
topSet.registerMetric(set);
assertEquals("a", set.getPath());
assertEquals("a.c", v1.getPath());
assertEquals("a.b", v2.getPath());
assertEquals("a.d", v3.getPath());
assertEquals("a.e", set2.getPath());
assertEquals("a.e.f", v4.getPath());
assertEquals("a.g", v5.getPath());
assertEquals("a.b", v2copy.getPath());
// Verify XML output. Should be in register order.
assertEquals(
"<a>\n\n" +
" <c average=\"4.20\" last=\"4.20\" min=\"4.20\" max=\"4.20\" count=\"1\" total=\"4.20\"/>\n\n" +
" <b average=\"8.50\" last=\"9\" min=\"8\" max=\"9\" count=\"2\" total=\"17\"/>\n\n" +
" <d count=\"1\"/>\n\n" +
" <e>\n"+
" <f count=\"3\"/>\n" +
" </e>\n\n" +
" <g count=\"2\"/>\n\n"+
"</a>\n", set.toXml(0,2));
// Verify that visiting works. That you get all metrics if you answer
// true to all sets, and that you don't get members of sets you answer
// false to get.
{
TestMetricVisitor visitor = new TestMetricVisitor(2);
set.visit(visitor, false);
assertEquals("[a]\nc\nb\nd\n[e]\nf\ng\n", visitor.output);
}
{
TestMetricVisitor visitor = new TestMetricVisitor(1);
set.visit(visitor, false);
assertEquals("[a]\nc\nb\nd\n[e]\ng\n", visitor.output);
}
{
TestMetricVisitor visitor = new TestMetricVisitor(0);
set.visit(visitor, false);
assertEquals("[a]\n", visitor.output);
}
}
class MyTimer extends Timer {
long timeNow = 0;
@Override
long milliSecs() { return timeNow; }
}
@SuppressWarnings("rawtypes")
public void testSumInSet() {
MetricSet ms_a = new SimpleMetricSet("a", "", "", null);
MyTimer timer = new MyTimer();
timer.timeNow = 1;
MetricManager manager = new MetricManager(timer);
manager.registerMetric(ms_a);
manager.takeSnapshots(1);
SumMetric s_a = new SumMetric("sum", "", "", ms_a);
MetricSet ms_b = new SimpleMetricSet("b", "", "", ms_a);
s_a.addMetricToSum(ms_b);
MetricSet ms_c = new SimpleMetricSet("c", "", "", ms_a);
s_a.addMetricToSum(ms_c);
SumMetric s_b_a = new SumMetric("sum", "", "", ms_b);
SumMetric s_c_a = new SumMetric("sum", "", "", ms_c);
AveragedDoubleValueMetric v1_b = new AveragedDoubleValueMetric("v1", "", "", ms_b);
s_b_a.addMetricToSum(v1_b);
AveragedDoubleValueMetric v3_b = new AveragedDoubleValueMetric("v3", "", "", ms_b);
s_b_a.addMetricToSum(v3_b);
AveragedDoubleValueMetric v1_c = new AveragedDoubleValueMetric("v1", "", "", ms_c);
s_c_a.addMetricToSum(v1_c);
AveragedDoubleValueMetric v2_c = new AveragedDoubleValueMetric("v2", "", "", ms_c);
s_c_a.addMetricToSum(v2_c);
v1_b.addValue(1.0);
v3_b.addValue(2.0);
v1_c.addValue(3.0);
v2_c.addValue(4.0);
SimpleMetricSet sms = (SimpleMetricSet)s_a.generateSum();
ValueMetric av_sum = (ValueMetric)sms.getMetric("sum");
ValueMetric av_1 = (ValueMetric)sms.getMetric("v1");
ValueMetric av_2 = (ValueMetric)sms.getMetric("v2");
ValueMetric av_3 = (ValueMetric)sms.getMetric("v3");
assertEquals(10.0, av_sum.getDoubleValue("total"));
assertEquals(4, av_sum.getLongValue("count"));
assertEquals(4.0, av_1.getDoubleValue("total"));
assertEquals(4.0, av_2.getDoubleValue("total"));
assertEquals(2.0, av_3.getDoubleValue("total"));
timer.timeNow = 301;
manager.takeSnapshots(301);
MetricSnapshot snapshot = manager.getMetricSnapshot(300);
assertEquals("<snapshot name=\"5 minute\" from=\"301\" to=\"301\" period=\"300\">\n" +
"\n" +
" <a>\n" +
" <sum>\n" +
" <sum average=\"2.50\" last=\"4.00\" min=\"1.00\" max=\"4.00\" count=\"4\" total=\"10.00\"/>\n" +
" <v1 average=\"2.00\" last=\"3.00\" min=\"1.00\" max=\"3.00\" count=\"2\" total=\"4.00\"/>\n" +
" <v3 average=\"2.00\" last=\"2.00\" min=\"2.00\" max=\"2.00\" count=\"1\" total=\"2.00\"/>\n" +
" <v2 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" </sum>\n" +
" <b>\n" +
" <sum average=\"1.50\" last=\"2.00\" min=\"1.00\" max=\"2.00\" count=\"2\" total=\"3.00\"/>\n" +
" <v1 average=\"1.00\" last=\"1.00\" min=\"1.00\" max=\"1.00\" count=\"1\" total=\"1.00\"/>\n" +
" <v3 average=\"2.00\" last=\"2.00\" min=\"2.00\" max=\"2.00\" count=\"1\" total=\"2.00\"/>\n" +
" </b>\n" +
" <c>\n" +
" <sum average=\"3.50\" last=\"4.00\" min=\"3.00\" max=\"4.00\" count=\"2\" total=\"7.00\"/>\n" +
" <v1 average=\"3.00\" last=\"3.00\" min=\"3.00\" max=\"3.00\" count=\"1\" total=\"3.00\"/>\n" +
" <v2 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" </c>\n" +
" </a>\n" +
"\n" +
"</snapshot>\n", snapshot.toXml(manager, "", 2));
assertEquals("<snapshot name=\"1 hour\" from=\"0\" to=\"301\" period=\"3600\">\n" +
"\n" +
" <a>\n" +
" <sum>\n" +
" <sum average=\"2.50\" last=\"4.00\" min=\"1.00\" max=\"4.00\" count=\"4\" total=\"10.00\"/>\n" +
" <v1 average=\"2.00\" last=\"3.00\" min=\"1.00\" max=\"3.00\" count=\"2\" total=\"4.00\"/>\n" +
" <v3 average=\"2.00\" last=\"2.00\" min=\"2.00\" max=\"2.00\" count=\"1\" total=\"2.00\"/>\n" +
" <v2 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" </sum>\n" +
" <b>\n" +
" <sum average=\"1.50\" last=\"2.00\" min=\"1.00\" max=\"2.00\" count=\"2\" total=\"3.00\"/>\n" +
" <v1 average=\"1.00\" last=\"1.00\" min=\"1.00\" max=\"1.00\" count=\"1\" total=\"1.00\"/>\n" +
" <v3 average=\"2.00\" last=\"2.00\" min=\"2.00\" max=\"2.00\" count=\"1\" total=\"2.00\"/>\n" +
" </b>\n" +
" <c>\n" +
" <sum average=\"3.50\" last=\"4.00\" min=\"3.00\" max=\"4.00\" count=\"2\" total=\"7.00\"/>\n" +
" <v1 average=\"3.00\" last=\"3.00\" min=\"3.00\" max=\"3.00\" count=\"1\" total=\"3.00\"/>\n" +
" <v2 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" </c>\n" +
" </a>\n" +
"\n" +
"</snapshot>\n", manager.getMetricSnapshot(3600, true).toXml(manager, "", 2));
v1_b.addValue(2.0);
v3_b.addValue(3.0);
v1_c.addValue(4.0);
v2_c.addValue(8.0);
CountMetric c1_b = new CountMetric("cnt", "", "", ms_b);
c1_b.inc(500);
timer.timeNow = 601;
manager.takeSnapshots(601);
// THIS IS WRONG. See ticket
assertEquals("<snapshot name=\"5 minute\" from=\"601\" to=\"601\" period=\"300\">\n" +
"\n" +
" <a>\n" +
" <sum>\n" +
" <sum average=\"4.25\" last=\"8.00\" min=\"2.00\" max=\"8.00\" count=\"4\" total=\"17.00\"/>\n" +
" <v1 average=\"3.00\" last=\"4.00\" min=\"2.00\" max=\"4.00\" count=\"2\" total=\"6.00\"/>\n" +
" <v3 average=\"3.00\" last=\"3.00\" min=\"3.00\" max=\"3.00\" count=\"1\" total=\"3.00\"/>\n" +
" <v2 average=\"8.00\" last=\"8.00\" min=\"8.00\" max=\"8.00\" count=\"1\" total=\"8.00\"/>\n" +
" <cnt count=\"500\" average_change_per_second=\"1.67\"/>\n" +
" </sum>\n" +
" <b>\n" +
" <sum average=\"2.50\" last=\"3.00\" min=\"2.00\" max=\"3.00\" count=\"2\" total=\"5.00\"/>\n" +
" <v1 average=\"2.00\" last=\"2.00\" min=\"2.00\" max=\"2.00\" count=\"1\" total=\"2.00\"/>\n" +
" <v3 average=\"3.00\" last=\"3.00\" min=\"3.00\" max=\"3.00\" count=\"1\" total=\"3.00\"/>\n" +
" <cnt count=\"500\" average_change_per_second=\"1.67\"/>\n" +
" </b>\n" +
" <c>\n" +
" <sum average=\"6.00\" last=\"8.00\" min=\"4.00\" max=\"8.00\" count=\"2\" total=\"12.00\"/>\n" +
" <v1 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" <v2 average=\"8.00\" last=\"8.00\" min=\"8.00\" max=\"8.00\" count=\"1\" total=\"8.00\"/>\n" +
" </c>\n" +
" </a>\n" +
"\n" +
"</snapshot>\n", manager.getMetricSnapshot(300, false).toXml(manager, "", 2));
assertEquals("<snapshot name=\"1 hour\" from=\"0\" to=\"601\" period=\"3600\">\n" +
"\n" +
" <a>\n" +
" <sum>\n" +
" <sum average=\"3.38\" last=\"8.00\" min=\"1.00\" max=\"8.00\" count=\"8\" total=\"27.00\"/>\n" +
" <v1 average=\"2.50\" last=\"4.00\" min=\"1.00\" max=\"4.00\" count=\"4\" total=\"10.00\"/>\n" +
" <v3 average=\"2.50\" last=\"3.00\" min=\"2.00\" max=\"3.00\" count=\"2\" total=\"5.00\"/>\n" +
" <v2 average=\"6.00\" last=\"8.00\" min=\"4.00\" max=\"8.00\" count=\"2\" total=\"12.00\"/>\n" +
" <cnt count=\"500\" average_change_per_second=\"0.83\"/>\n" +
" </sum>\n" +
" <b>\n" +
" <sum average=\"2.00\" last=\"3.00\" min=\"1.00\" max=\"3.00\" count=\"4\" total=\"8.00\"/>\n" +
" <v1 average=\"1.50\" last=\"2.00\" min=\"1.00\" max=\"2.00\" count=\"2\" total=\"3.00\"/>\n" +
" <v3 average=\"2.50\" last=\"3.00\" min=\"2.00\" max=\"3.00\" count=\"2\" total=\"5.00\"/>\n" +
" <cnt count=\"500\" average_change_per_second=\"0.83\"/>\n" +
" </b>\n" +
" <c>\n" +
" <sum average=\"4.75\" last=\"8.00\" min=\"3.00\" max=\"8.00\" count=\"4\" total=\"19.00\"/>\n" +
" <v1 average=\"3.50\" last=\"4.00\" min=\"3.00\" max=\"4.00\" count=\"2\" total=\"7.00\"/>\n" +
" <v2 average=\"6.00\" last=\"8.00\" min=\"4.00\" max=\"8.00\" count=\"2\" total=\"12.00\"/>\n" +
" </c>\n" +
" </a>\n" +
"\n" +
"</snapshot>\n", manager.getMetricSnapshot(3600, true).toXml(manager, "", 2));
AveragedDoubleValueMetric v4_c = new AveragedDoubleValueMetric("v4", "", "", ms_c);
s_c_a.addMetricToSum(v4_c);
v2_c.addValue(4.0);
v4_c.addValue(12.0);
c1_b.inc(3000);
timer.timeNow = 901;
manager.takeSnapshots(901);
assertEquals("<snapshot name=\"5 minute\" from=\"901\" to=\"901\" period=\"300\">\n" +
"\n" +
" <a>\n" +
" <sum>\n" +
" <sum average=\"8.00\" last=\"12.00\" min=\"4.00\" max=\"12.00\" count=\"2\" total=\"16.00\"/>\n" +
" <v1 average=\"0.00\" last=\"0\" count=\"0\" total=\"0\"/>\n" +
" <v3 average=\"0.00\" last=\"0\" count=\"0\" total=\"0\"/>\n" +
" <v2 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" <cnt count=\"3000\" average_change_per_second=\"10.00\"/>\n" +
" <v4 average=\"12.00\" last=\"12.00\" min=\"12.00\" max=\"12.00\" count=\"1\" total=\"12.00\"/>\n" +
" </sum>\n" +
" <b>\n" +
" <sum average=\"0.00\" last=\"0\" count=\"0\" total=\"0\"/>\n" +
" <v1 average=\"0.00\" last=\"0\" count=\"0\" total=\"0\"/>\n" +
" <v3 average=\"0.00\" last=\"0\" count=\"0\" total=\"0\"/>\n" +
" <cnt count=\"3000\" average_change_per_second=\"10.00\"/>\n" +
" </b>\n" +
" <c>\n" +
" <sum average=\"8.00\" last=\"12.00\" min=\"4.00\" max=\"12.00\" count=\"2\" total=\"16.00\"/>\n" +
" <v1 average=\"0.00\" last=\"0\" count=\"0\" total=\"0\"/>\n" +
" <v2 average=\"4.00\" last=\"4.00\" min=\"4.00\" max=\"4.00\" count=\"1\" total=\"4.00\"/>\n" +
" <v4 average=\"12.00\" last=\"12.00\" min=\"12.00\" max=\"12.00\" count=\"1\" total=\"12.00\"/>\n" +
" </c>\n" +
" </a>\n" +
"\n" +
"</snapshot>\n", manager.getMetricSnapshot(300, false).toXml(manager, "", 2));
assertEquals("<snapshot name=\"1 hour\" from=\"0\" to=\"901\" period=\"3600\">\n" +
"\n" +
" <a>\n" +
" <sum>\n" +
" <sum average=\"4.30\" last=\"12.00\" min=\"1.00\" max=\"12.00\" count=\"10\" total=\"43.00\"/>\n" +
" <v1 average=\"2.50\" last=\"4.00\" min=\"1.00\" max=\"4.00\" count=\"4\" total=\"10.00\"/>\n" +
" <v3 average=\"2.50\" last=\"3.00\" min=\"2.00\" max=\"3.00\" count=\"2\" total=\"5.00\"/>\n" +
" <v2 average=\"5.33\" last=\"4.00\" min=\"4.00\" max=\"8.00\" count=\"3\" total=\"16.00\"/>\n" +
" <cnt count=\"3500\" average_change_per_second=\"3.88\"/>\n" +
" <v4 average=\"12.00\" last=\"12.00\" min=\"12.00\" max=\"12.00\" count=\"1\" total=\"12.00\"/>\n" +
" </sum>\n" +
" <b>\n" +
" <sum average=\"2.00\" last=\"3.00\" min=\"1.00\" max=\"3.00\" count=\"4\" total=\"8.00\"/>\n" +
" <v1 average=\"1.50\" last=\"2.00\" min=\"1.00\" max=\"2.00\" count=\"2\" total=\"3.00\"/>\n" +
" <v3 average=\"2.50\" last=\"3.00\" min=\"2.00\" max=\"3.00\" count=\"2\" total=\"5.00\"/>\n" +
" <cnt count=\"3500\" average_change_per_second=\"3.88\"/>\n" +
" </b>\n" +
" <c>\n" +
" <sum average=\"5.83\" last=\"12.00\" min=\"3.00\" max=\"12.00\" count=\"6\" total=\"35.00\"/>\n" +
" <v1 average=\"3.50\" last=\"4.00\" min=\"3.00\" max=\"4.00\" count=\"2\" total=\"7.00\"/>\n" +
" <v2 average=\"5.33\" last=\"4.00\" min=\"4.00\" max=\"8.00\" count=\"3\" total=\"16.00\"/>\n" +
" <v4 average=\"12.00\" last=\"12.00\" min=\"12.00\" max=\"12.00\" count=\"1\" total=\"12.00\"/>\n" +
" </c>\n" +
" </a>\n" +
"\n" +
"</snapshot>\n", manager.getMetricSnapshot(3600, true).toXml(manager, "", 2));
}
} // metrics
|
