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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 kamon.testkit.BaseKamonSpec
class TraceContextManipulationSpec extends BaseKamonSpec("trace-metrics-spec") {
"the TraceContext api" should {
"allow starting a trace within a specified block of code, and only within that block of code" in {
val createdContext = Tracer.withContext(newContext("start-context")) {
Tracer.currentContext should not be empty
Tracer.currentContext
}
Tracer.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 = Tracer.withContext(newContext("start-context-with-token", "token-1")) {
Tracer.currentContext should not be empty
Tracer.currentContext
}
Tracer.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")
Tracer.currentContext shouldBe empty
Tracer.withContext(createdContext) {
Tracer.currentContext should be(createdContext)
}
Tracer.currentContext shouldBe empty
}
"allow renaming a trace" in {
val createdContext = Tracer.withContext(newContext("trace-before-rename")) {
Tracer.currentContext.rename("renamed-trace")
Tracer.currentContext
}
Tracer.currentContext shouldBe empty
createdContext.name shouldBe "renamed-trace"
}
"allow tagging and untagging a trace" in {
val createdContext = Tracer.withContext(newContext("trace-before-rename")) {
Tracer.currentContext.addTag("trace-tag", "tag-1")
Tracer.currentContext
}
Tracer.currentContext shouldBe empty
createdContext.tags shouldBe Map("trace-tag" -> "tag-1")
createdContext.removeTag("trace-tag", "tag-1")
createdContext.tags shouldBe Map.empty
}
"allow creating a segment within a trace" in {
val createdContext = Tracer.withContext(newContext("trace-with-segments")) {
Tracer.currentContext.startSegment("segment-1", "segment-1-category", "segment-library")
Tracer.currentContext
}
Tracer.currentContext shouldBe empty
createdContext.name shouldBe "trace-with-segments"
}
"allow renaming a segment" in {
Tracer.withContext(newContext("trace-with-renamed-segment")) {
val segment = Tracer.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")
}
}
"allow tagging and untagging a segment" in {
Tracer.withContext(newContext("trace-with-renamed-segment")) {
val segment = Tracer.currentContext.startSegment("segment-name", "segment-label", "segment-library")
segment.tags should be(Map.empty)
segment.addTag("segment-tag", "tag-1")
segment.tags should be(Map("segment-tag" -> "tag-1"))
segment.removeTag("segment-tag", "tag-1")
segment.tags should be(Map.empty)
}
}
}
}
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