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/*
* =========================================================================================
* Copyright © 2013-2017 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 java.util
import io.opentracing.propagation.TextMap
import org.scalatest.{Matchers, WordSpecLike}
class SpanContextCodecSpec extends WordSpecLike with Matchers {
"The Span Context Codec" should {
"supports Text Map extraction" in {
val textMap = MapTextMap()
textMap.put("TRACE_ID", "1")
textMap.put("PARENT_ID", "2")
textMap.put("SPAN_ID", "3")
textMap.put("SAMPLED", "sampled")
textMap.put("BAGGAGE_1", "awesome-baggage-1")
textMap.put("BAGGAGE_2", "awesome-baggage-2")
val spanContext = SpanContextCodec.TextMap.extract(textMap, Sampler.never)
spanContext.traceID should be(1)
spanContext.parentID should be(2)
spanContext.spanID should be(3)
spanContext.sampled should be(false)
spanContext.baggageMap should be(Map("1" -> "awesome-baggage-1", "2" -> "awesome-baggage-2"))
}
"supports Text Map injection" in {
val textMap = MapTextMap()
SpanContextCodec.TextMap.inject(new SpanContext(1, 2, 3, false, Map("MDC" -> "awesome-mdc-value")), textMap)
textMap.map.get("TRACE_ID") should be("0000000000000001")
textMap.map.get("PARENT_ID") should be("0000000000000003")
textMap.map.get("SPAN_ID") should be("0000000000000002")
textMap.map.get("SAMPLED") should be(null)
textMap.map.get("BAGGAGE_MDC") should be("awesome-mdc-value")
}
"supports Http Headers extraction" in {
val textMap = MapTextMap()
textMap.put("X-B3-TraceId", "1")
textMap.put("X-B3-ParentSpanId", "2")
textMap.put("X-B3-SpanId", "3")
textMap.put("X-B3-Sampled", "sampled")
textMap.put("X-B3-Baggage-1", "awesome-baggage-1")
textMap.put("X-B3-Baggage-2", "awesome-baggage-2")
val spanContext = SpanContextCodec.ZipkinB3.extract(textMap, Sampler.never)
spanContext.traceID should be(1)
spanContext.parentID should be(2)
spanContext.spanID should be(3)
spanContext.sampled should be(false)
spanContext.baggageMap should be(Map("1" -> "awesome-baggage-1", "2" -> "awesome-baggage-2"))
}
"supports Http Headers injection" in {
val textMap = MapTextMap()
SpanContextCodec.ZipkinB3.inject(new SpanContext(1, 2, 3, false, Map("MDC" -> "awesome-mdc-value")), textMap)
textMap.map.get("X-B3-TraceId") should be("0000000000000001")
textMap.map.get("X-B3-ParentSpanId") should be("0000000000000003")
textMap.map.get("X-B3-SpanId") should be("0000000000000002")
textMap.map.get("X-B3-Sampled") should be(null)
textMap.map.get("X-B3-Baggage-MDC") should be("awesome-mdc-value")
}
}
}
class MapTextMap extends TextMap {
val map = new util.HashMap[String, String]()
override def iterator: util.Iterator[util.Map.Entry[String, String]] =
map.entrySet.iterator
override def put(key: String, value: String): Unit = {
map.put(key, value)
}
}
object MapTextMap {
def apply(): MapTextMap = new MapTextMap()
}
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