1 files changed, 70 insertions, 0 deletions
diff --git a/kamon-core/src/legacy-test/scala/kamon/testkit/BaseKamonSpec.scala b/kamon-core/src/legacy-test/scala/kamon/testkit/BaseKamonSpec.scala
new file mode 100644
index 00000000..995f15fa
--- /dev/null
+++ b/kamon-core/src/legacy-test/scala/kamon/testkit/BaseKamonSpec.scala
@@ -0,0 +1,70 @@
+/*
+ * =========================================================================================
+ * 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.testkit
+
+import akka.actor.ActorSystem
+import akka.testkit.{ImplicitSender, TestKitBase}
+import com.typesafe.config.Config
+import kamon.{ActorSystemTools, Kamon}
+import kamon.metric.{Entity, EntitySnapshot, SubscriptionsDispatcher}
+import kamon.trace.TraceContext
+import kamon.util.LazyActorRef
+import org.scalatest.{BeforeAndAfterAll, Matchers, WordSpecLike}
+
+abstract class BaseKamonSpec(actorSystemName: String) extends TestKitBase with WordSpecLike with Matchers with ImplicitSender with BeforeAndAfterAll {
+  lazy val collectionContext = Kamon.metrics.buildDefaultCollectionContext
+  override implicit lazy val system: ActorSystem = {
+    Kamon.start(mergedConfig)
+    ActorSystem(actorSystemName, mergedConfig)
+  }
+
+  def config: Config = Kamon.config
+
+  def mergedConfig: Config = config.withFallback(Kamon.config)
+
+  def newContext(name: String): TraceContext =
+    Kamon.tracer.newContext(name)
+
+  def newContext(name: String, token: String): TraceContext =
+    Kamon.tracer.newContext(name, Option(token))
+
+  def newContext(name: String, token: String, tags: Map[String, String]): TraceContext =
+    Kamon.tracer.newContext(name, Option(token), tags)
+
+  def takeSnapshotOf(name: String, category: String): EntitySnapshot = {
+    val recorder = Kamon.metrics.find(name, category).get
+    recorder.collect(collectionContext)
+  }
+
+  def takeSnapshotOf(name: String, category: String, tags: Map[String, String]): EntitySnapshot = {
+    val recorder = Kamon.metrics.find(Entity(name, category, tags)).get
+    recorder.collect(collectionContext)
+  }
+
+  def flushSubscriptions(): Unit = {
+    val subscriptionsField = Kamon.metrics.getClass.getDeclaredField("_subscriptions")
+    subscriptionsField.setAccessible(true)
+    val subscriptions = subscriptionsField.get(Kamon.metrics).asInstanceOf[LazyActorRef]
+
+    subscriptions.tell(SubscriptionsDispatcher.Tick)
+  }
+
+  override protected def afterAll(): Unit = {
+    Kamon.shutdown()
+    ActorSystemTools.terminateActorSystem(system)
+  }
+}