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/*
* =========================================================================================
* Copyright © 2013-2015 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.trace
import com.typesafe.config.ConfigFactory
import kamon.testkit.BaseKamonSpec
class TraceContextManipulationSpec extends BaseKamonSpec("trace-metrics-spec") {
override lazy val config =
ConfigFactory.parseString(
"""
|kamon.metric {
| tick-interval = 1 hour
|
| filters {
| trace {
| includes = [ "*" ]
| excludes = [ "non-tracked-trace"]
| }
| }
|}
""".stripMargin)
"the TraceContext api" should {
"allow starting a trace within a specified block of code, and only within that block of code" in {
val createdContext = TraceContext.withContext(newContext("start-context")) {
TraceContext.currentContext should not be empty
TraceContext.currentContext
}
TraceContext.currentContext shouldBe empty
createdContext.name shouldBe ("start-context")
}
"allow starting a trace within a specified block of code, providing a trace-token and only within that block of code" in {
val createdContext = TraceContext.withContext(newContext("start-context-with-token", "token-1")) {
TraceContext.currentContext should not be empty
TraceContext.currentContext
}
TraceContext.currentContext shouldBe empty
createdContext.name shouldBe ("start-context-with-token")
createdContext.token should be("token-1")
}
"allow providing a TraceContext and make it available within a block of code" in {
val createdContext = newContext("manually-provided-trace-context")
TraceContext.currentContext shouldBe empty
TraceContext.withContext(createdContext) {
TraceContext.currentContext should be(createdContext)
}
TraceContext.currentContext shouldBe empty
}
"allow renaming a trace" in {
val createdContext = TraceContext.withContext(newContext("trace-before-rename")) {
TraceContext.currentContext.rename("renamed-trace")
TraceContext.currentContext
}
TraceContext.currentContext shouldBe empty
createdContext.name shouldBe ("renamed-trace")
}
"allow creating a segment within a trace" in {
val createdContext = TraceContext.withContext(newContext("trace-with-segments")) {
val segment = TraceContext.currentContext.startSegment("segment-1", "segment-1-category", "segment-library")
TraceContext.currentContext
}
TraceContext.currentContext shouldBe empty
createdContext.name shouldBe ("trace-with-segments")
}
"allow renaming a segment" in {
TraceContext.withContext(newContext("trace-with-renamed-segment")) {
val segment = TraceContext.currentContext.startSegment("original-segment-name", "segment-label", "segment-library")
segment.name should be("original-segment-name")
segment.rename("new-segment-name")
segment.name should be("new-segment-name")
}
}
}
}
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