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/* ===================================================
* Copyright © 2013-2014 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.play
import play.api.test._
import play.api.test.Helpers._
import org.scalatestplus.play._
import play.api.mvc.{ Results, Action }
import play.api.mvc.Results.Ok
import scala.Some
import scala.concurrent.Future
import kamon.play.action.TraceName
import kamon.trace.TraceRecorder
class RequestInstrumentationSpec extends PlaySpec with OneServerPerSuite {
System.setProperty("config.file", "./kamon-play/src/test/resources/conf/application.conf")
val executor = scala.concurrent.ExecutionContext.Implicits.global
implicit override lazy val app = FakeApplication(withRoutes = {
case ("GET", "/async") ⇒
Action.async {
Future {
Ok("Async.async")
}(executor)
}
case ("GET", "/notFound") ⇒
Action {
Results.NotFound
}
case ("GET", "/redirect") ⇒
Action {
Results.Redirect("/redirected", MOVED_PERMANENTLY)
}
case ("GET", "/default") ⇒
Action {
Ok("default")
}
case ("GET", "/async-renamed") ⇒
TraceName("renamed-trace") {
Action.async {
Future {
Ok("Async.async")
}(executor)
}
}
})
private val traceTokenValue = "kamon-trace-token-test"
private val traceTokenHeaderName = "X-Trace-Token"
private val expectedToken = Some(traceTokenValue)
private val traceTokenHeader = traceTokenHeaderName -> traceTokenValue
"the Request instrumentation" should {
"respond to the Async Action with X-Trace-Token" in {
val Some(result) = route(FakeRequest(GET, "/async").withHeaders(traceTokenHeader))
header(traceTokenHeaderName, result) must be(expectedToken)
}
"respond to the NotFound Action with X-Trace-Token" in {
val Some(result) = route(FakeRequest(GET, "/notFound").withHeaders(traceTokenHeader))
header(traceTokenHeaderName, result) must be(expectedToken)
}
"respond to the Default Action with X-Trace-Token" in {
val Some(result) = route(FakeRequest(GET, "/default").withHeaders(traceTokenHeader))
header(traceTokenHeaderName, result) must be(expectedToken)
}
"respond to the Redirect Action with X-Trace-Token" in {
val Some(result) = route(FakeRequest(GET, "/redirect").withHeaders(traceTokenHeader))
header("Location", result) must be(Some("/redirected"))
header(traceTokenHeaderName, result) must be(expectedToken)
}
"respond to the Async Action with X-Trace-Token and the renamed trace" in {
val Some(result) = route(FakeRequest(GET, "/async-renamed").withHeaders(traceTokenHeader))
Thread.sleep(3000)
TraceRecorder.currentContext.map(_.name) must be(Some("renamed-trace"))
header(traceTokenHeaderName, result) must be(expectedToken)
}
}
}
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