blob: d70e88ae71190ed046f0e64e42e83dd42b50b8f4 (
plain) (
blame)
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
|
/* ===================================================
* Copyright © 2013 the kamon project <http://kamon.io/>
*
* 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 kamon.scala.instrumentation
import kamon.testkit.BaseKamonSpec
import kamon.trace.TraceContext
import org.scalatest.OptionValues
import org.scalatest.concurrent.{ PatienceConfiguration, ScalaFutures }
import scala.concurrent.Future
class FutureInstrumentationSpec extends BaseKamonSpec("future-instrumentation-spec") with ScalaFutures
with PatienceConfiguration with OptionValues {
implicit val execContext = system.dispatcher
"a Future created with FutureTracing" should {
"capture the TraceContext available when created" which {
"must be available when executing the future's body" in {
val (future, testTraceContext) = TraceContext.withContext(newContext("future-body")) {
val future = Future(TraceContext.currentContext)
(future, TraceContext.currentContext)
}
whenReady(future)(ctxInFuture ⇒
ctxInFuture should equal(testTraceContext))
}
"must be available when executing callbacks on the future" in {
val (future, testTraceContext) = TraceContext.withContext(newContext("future-body")) {
val future = Future("Hello Kamon!")
// The TraceContext is expected to be available during all intermediate processing.
.map(_.length)
.flatMap(len ⇒ Future(len.toString))
.map(s ⇒ TraceContext.currentContext)
(future, TraceContext.currentContext)
}
whenReady(future)(ctxInFuture ⇒
ctxInFuture should equal(testTraceContext))
}
}
}
}
|
