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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.context
import kamon.Kamon
import kamon.testkit.ContextTesting
import org.scalatest.{Matchers, OptionValues, WordSpec}
class ContextCodecSpec extends WordSpec with Matchers with ContextTesting with OptionValues {
"the Context Codec" ignore {
"encoding/decoding to HttpHeaders" should {
"round trip a empty context" in {
val textMap = ContextCodec.HttpHeaders.encode(Context.Empty)
val decodedContext = ContextCodec.HttpHeaders.decode(textMap)
decodedContext shouldBe Context.Empty
}
"round trip a context with only local keys" in {
val localOnlyContext = Context.of(StringKey, Some("string-value"))
val textMap = ContextCodec.HttpHeaders.encode(localOnlyContext)
val decodedContext = ContextCodec.HttpHeaders.decode(textMap)
decodedContext shouldBe Context.Empty
}
"round trip a context with local and broadcast keys" in {
val initialContext = Context.Empty
.withKey(StringKey, Some("string-value"))
.withKey(StringBroadcastKey, Some("this-should-be-round-tripped"))
val textMap = ContextCodec.HttpHeaders.encode(initialContext)
val decodedContext = ContextCodec.HttpHeaders.decode(textMap)
decodedContext.get(StringKey) shouldBe empty
decodedContext.get(StringBroadcastKey).value shouldBe "this-should-be-round-tripped"
}
"read string broadcast keys using the configured header name" in {
val textMap = TextMap.Default()
textMap.put("X-Request-ID", "123456")
val decodedContext = ContextCodec.HttpHeaders.decode(textMap)
//decodedContext.get(Key.broadcastString("request-id")).value shouldBe "123456"
}
}
"encoding/decoding to Binary" should {
"round trip a empty context" in {
val byteBuffer = ContextCodec.Binary.encode(Context.Empty)
val decodedContext = ContextCodec.Binary.decode(byteBuffer)
decodedContext shouldBe Context.Empty
}
"round trip a context with only local keys" in {
val localOnlyContext = Context.of(StringKey, Some("string-value"))
val byteBuffer = ContextCodec.Binary.encode(localOnlyContext)
val decodedContext = ContextCodec.Binary.decode(byteBuffer)
decodedContext shouldBe Context.Empty
}
"round trip a context with local and broadcast keys" in {
val initialContext = Context.Empty
.withKey(StringKey, Some("string-value"))
.withKey(StringBroadcastKey, Some("this-should-be-round-tripped"))
val byteBuffer = ContextCodec.Binary.encode(initialContext)
val decodedContext = ContextCodec.Binary.decode(byteBuffer)
decodedContext.get(StringKey) shouldBe empty
decodedContext.get(StringBroadcastKey).value shouldBe "this-should-be-round-tripped"
}
}
}
val ContextCodec = new Codecs(Kamon.config())
}
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