apache · He-Pin · Sep 13, 2025
diff --git a/...-testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/CapturedLogEvent.scala b/...-testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/CapturedLogEvent.scala
@@ -15,14 +15,14 @@ package org.apache.pekko.actor.testkit.typed
 
 import java.util.Optional
 
-import org.slf4j.Marker
-import org.slf4j.event.Level
-
 import org.apache.pekko
 import pekko.annotation.InternalApi
 import pekko.util.OptionConverters._
 import pekko.util.OptionVal
 
+import org.slf4j.Marker
+import org.slf4j.event.Level
+
 /**
  * Representation of a Log Event issued by a [[pekko.actor.typed.Behavior]]
  * when testing with [[pekko.actor.testkit.typed.scaladsl.BehaviorTestKit]]

diff --git a/actor-testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/LoggingEvent.scala b/actor-testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/LoggingEvent.scala
@@ -15,12 +15,12 @@ package org.apache.pekko.actor.testkit.typed
 
 import java.util.Optional
 
-import org.slf4j.Marker
-import org.slf4j.event.Level
-
 import org.apache.pekko
-import pekko.util.ccompat.JavaConverters._
 import pekko.util.OptionConverters._
+import pekko.util.ccompat.JavaConverters._
+
+import org.slf4j.Marker
+import org.slf4j.event.Level
 
 object LoggingEvent {
 

diff --git a/...r-testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/TestKitSettings.scala b/...r-testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/TestKitSettings.scala
@@ -15,15 +15,15 @@ package org.apache.pekko.actor.testkit.typed
 
 import scala.concurrent.duration.{ Duration, FiniteDuration }
 
-import com.typesafe.config.Config
-
 import org.apache.pekko
 import pekko.actor.typed.ActorSystem
 import pekko.actor.typed.Extension
 import pekko.actor.typed.ExtensionId
 import pekko.util.JavaDurationConverters._
 import pekko.util.Timeout
 
+import com.typesafe.config.Config
+
 object TestKitSettings {
 
   /**

diff --git a/...-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/ActorSystemStub.scala b/...-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/ActorSystemStub.scala
@@ -14,11 +14,10 @@
 package org.apache.pekko.actor.testkit.typed.internal
 
 import java.util.concurrent.{ CompletionStage, ThreadFactory }
-import scala.concurrent._
+
 import scala.annotation.nowarn
-import com.typesafe.config.{ Config, ConfigFactory }
-import org.slf4j.Logger
-import org.slf4j.LoggerFactory
+import scala.concurrent._
+
 import org.apache.pekko
 import pekko.{ actor => classic }
 import pekko.Done
@@ -39,6 +38,11 @@ import pekko.actor.typed.receptionist.Receptionist
 import pekko.annotation.InternalApi
 import pekko.util.FutureConverters._
 
+import org.slf4j.Logger
+import org.slf4j.LoggerFactory
+
+import com.typesafe.config.{ Config, ConfigFactory }
+
 /**
  * INTERNAL API
  */

diff --git a/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/BehaviorTestKitImpl.scala b/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/BehaviorTestKitImpl.scala
@@ -20,12 +20,13 @@ import scala.collection.immutable
 import scala.reflect.ClassTag
 import scala.util.control.Exception.Catcher
 import scala.util.control.NonFatal
+
 import org.apache.pekko
 import pekko.actor.ActorPath
 import pekko.actor.testkit.typed.{ CapturedLogEvent, Effect }
 import pekko.actor.testkit.typed.Effect._
-import pekko.actor.typed.internal.AdaptWithRegisteredMessageAdapter
 import pekko.actor.typed.{ ActorRef, Behavior, BehaviorInterceptor, PostStop, Signal, TypedActorContext }
+import pekko.actor.typed.internal.AdaptWithRegisteredMessageAdapter
 import pekko.actor.typed.receptionist.Receptionist
 import pekko.actor.typed.scaladsl.Behaviors
 import pekko.annotation.InternalApi

diff --git a/.../src/main/scala/org/apache/pekko/actor/testkit/typed/internal/EffectfulActorContext.scala b/.../src/main/scala/org/apache/pekko/actor/testkit/typed/internal/EffectfulActorContext.scala
@@ -15,17 +15,17 @@ package org.apache.pekko.actor.testkit.typed.internal
 
 import java.util.concurrent.ConcurrentLinkedQueue
 
+import scala.concurrent.duration.FiniteDuration
+import scala.reflect.ClassTag
+
 import org.apache.pekko
+import pekko.actor.{ ActorPath, Cancellable }
 import pekko.actor.testkit.typed.Effect
 import pekko.actor.testkit.typed.Effect._
-import pekko.actor.typed.internal.TimerSchedulerCrossDslSupport
 import pekko.actor.typed.{ ActorRef, Behavior, Props }
-import pekko.actor.{ ActorPath, Cancellable }
+import pekko.actor.typed.internal.TimerSchedulerCrossDslSupport
 import pekko.annotation.InternalApi
 
-import scala.concurrent.duration.FiniteDuration
-import scala.reflect.ClassTag
-
 /**
  * INTERNAL API
  */

diff --git a/...tkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/LogbackUtil.scala b/...tkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/LogbackUtil.scala
@@ -13,11 +13,12 @@
 
 package org.apache.pekko.actor.testkit.typed.internal
 
-import org.slf4j.LoggerFactory
-import org.slf4j.event.Level
+import scala.annotation.tailrec
+
 import org.apache.pekko.annotation.InternalApi
 
-import scala.annotation.tailrec
+import org.slf4j.LoggerFactory
+import org.slf4j.event.Level
 
 /**
  * INTERNAL API

diff --git a/...ped/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/LoggingTestKitImpl.scala b/...ped/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/LoggingTestKitImpl.scala
@@ -19,8 +19,6 @@ import scala.concurrent.duration.Duration
 import scala.reflect.ClassTag
 import scala.util.matching.Regex
 
-import org.slf4j.event.Level
-
 import org.apache.pekko
 import pekko.actor.testkit.typed.LoggingEvent
 import pekko.actor.testkit.typed.TestKitSettings
@@ -30,6 +28,8 @@ import pekko.actor.typed.ActorSystem
 import pekko.annotation.InternalApi
 import pekko.testkit.TestKit
 
+import org.slf4j.event.Level
+
 /**
  * INTERNAL API
  */

diff --git a/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/StubbedActorContext.scala b/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/StubbedActorContext.scala
@@ -13,22 +13,24 @@
 
 package org.apache.pekko.actor.testkit.typed.internal
 
+import java.util.concurrent.ThreadLocalRandom.{ current => rnd }
+
+import scala.collection.immutable.TreeMap
+import scala.concurrent.ExecutionContextExecutor
+import scala.concurrent.duration.FiniteDuration
+
 import org.apache.pekko
+import pekko.{ actor => classic }
+import pekko.actor.{ ActorPath, ActorRefProvider, InvalidMessageException }
 import pekko.actor.testkit.typed.CapturedLogEvent
 import pekko.actor.typed._
 import pekko.actor.typed.internal._
-import pekko.actor.{ ActorPath, ActorRefProvider, InvalidMessageException }
 import pekko.annotation.InternalApi
 import pekko.util.Helpers
-import pekko.{ actor => classic }
+
 import org.slf4j.{ Logger, Marker }
 import org.slf4j.helpers.{ MessageFormatter, SubstituteLoggerFactory }
 
-import java.util.concurrent.ThreadLocalRandom.{ current => rnd }
-import scala.collection.immutable.TreeMap
-import scala.concurrent.ExecutionContextExecutor
-import scala.concurrent.duration.FiniteDuration
-
 /**
  * INTERNAL API
  *

diff --git a/...kit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/TestAppender.scala b/...kit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/internal/TestAppender.scala
@@ -13,15 +13,17 @@
 
 package org.apache.pekko.actor.testkit.typed.internal
 
+import java.util.Collections
+
 import ch.qos.logback.classic.spi.ILoggingEvent
 import ch.qos.logback.classic.spi.ThrowableProxy
 import ch.qos.logback.core.AppenderBase
-import org.slf4j.{ MDC, Marker }
+
 import org.apache.pekko
 import pekko.actor.testkit.typed.LoggingEvent
 import pekko.annotation.InternalApi
 
-import java.util.Collections
+import org.slf4j.{ MDC, Marker }
 
 /**
  * INTERNAL API

diff --git a/...tkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/ActorTestKit.scala b/...tkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/ActorTestKit.scala
@@ -15,8 +15,6 @@ package org.apache.pekko.actor.testkit.typed.javadsl
 
 import java.time.Duration
 
-import com.typesafe.config.Config
-
 import org.apache.pekko
 import pekko.actor.DeadLetter
 import pekko.actor.Dropped
@@ -32,6 +30,8 @@ import pekko.actor.typed.Scheduler
 import pekko.util.JavaDurationConverters._
 import pekko.util.Timeout
 
+import com.typesafe.config.Config
+
 object ActorTestKit {
 
   /**

diff --git a/...t-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/BehaviorTestKit.scala b/...t-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/BehaviorTestKit.scala
@@ -13,15 +13,16 @@
 
 package org.apache.pekko.actor.testkit.typed.javadsl
 
+import java.util.concurrent.ThreadLocalRandom
+
 import org.apache.pekko
-import pekko.actor.testkit.typed.internal.{ ActorSystemStub, BehaviorTestKitImpl }
 import pekko.actor.testkit.typed.{ CapturedLogEvent, Effect }
-import pekko.actor.typed.receptionist.Receptionist
+import pekko.actor.testkit.typed.internal.{ ActorSystemStub, BehaviorTestKitImpl }
 import pekko.actor.typed.{ ActorRef, Behavior, Signal }
+import pekko.actor.typed.receptionist.Receptionist
 import pekko.annotation.{ ApiMayChange, DoNotInherit }
-import com.typesafe.config.Config
 
-import java.util.concurrent.ThreadLocalRandom
+import com.typesafe.config.Config
 
 object BehaviorTestKit {
 

diff --git a/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/JUnit5TestKitBuilder.scala b/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/JUnit5TestKitBuilder.scala
@@ -18,11 +18,12 @@
 package org.apache.pekko.actor.testkit.typed.javadsl
 
 import org.apache.pekko
-import com.typesafe.config.Config
 import pekko.actor.testkit.typed.internal.TestKitUtils
 import pekko.actor.testkit.typed.scaladsl.ActorTestKit.ApplicationTestConfig
 import pekko.actor.typed.ActorSystem
 
+import com.typesafe.config.Config
+
 final class JUnit5TestKitBuilder() {
 
   var system: Option[ActorSystem[_]] = None

diff --git a/...tkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/LogCapturing.scala b/...tkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/LogCapturing.scala
@@ -18,10 +18,11 @@ import scala.util.control.NonFatal
 import org.junit.rules.TestRule
 import org.junit.runner.Description
 import org.junit.runners.model.Statement
-import org.slf4j.LoggerFactory
 
 import org.apache.pekko.actor.testkit.typed.internal.CapturingAppender
 
+import org.slf4j.LoggerFactory
+
 /**
  * JUnit `TestRule` to make log lines appear only when the test failed.
  *

diff --git a/...d/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/LogCapturingExtension.scala b/...d/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/LogCapturingExtension.scala
@@ -9,13 +9,16 @@
 
 package org.apache.pekko.actor.testkit.typed.javadsl
 
-import org.junit.jupiter.api.extension.InvocationInterceptor.Invocation
+import java.lang.reflect.Method
+
+import scala.util.control.NonFatal
+
 import org.junit.jupiter.api.extension.{ ExtensionContext, InvocationInterceptor, ReflectiveInvocationContext }
-import org.slf4j.LoggerFactory
+import org.junit.jupiter.api.extension.InvocationInterceptor.Invocation
+
 import org.apache.pekko.actor.testkit.typed.internal.CapturingAppender
 
-import java.lang.reflect.Method
-import scala.util.control.NonFatal
+import org.slf4j.LoggerFactory
 
 final class LogCapturingExtension extends InvocationInterceptor {
 

diff --git a/...it-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/LoggingTestKit.scala b/...it-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/LoggingTestKit.scala
@@ -15,14 +15,14 @@ package org.apache.pekko.actor.testkit.typed.javadsl
 
 import java.util.function.Supplier
 
-import org.slf4j.event.Level
-
 import org.apache.pekko
 import pekko.actor.testkit.typed.LoggingEvent
 import pekko.actor.testkit.typed.internal.LoggingTestKitImpl
 import pekko.actor.typed.ActorSystem
 import pekko.annotation.DoNotInherit
 
+import org.slf4j.event.Level
+
 /**
  * Facilities for verifying logs.
  *

diff --git a/...estkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/ManualTime.scala b/...estkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/ManualTime.scala
@@ -17,13 +17,13 @@ import java.time.Duration
 
 import scala.annotation.varargs
 
-import com.typesafe.config.Config
-
 import org.apache.pekko
 import pekko.actor.typed.ActorSystem
 import pekko.actor.typed.internal.adapter.SchedulerAdapter
 import pekko.util.JavaDurationConverters._
 
+import com.typesafe.config.Config
+
 /**
  * Manual time allows you to do async tests while controlling the scheduler of the system.
  *

diff --git a/.../src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/TestKitJUnit5Extension.scala b/.../src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/TestKitJUnit5Extension.scala
@@ -17,10 +17,11 @@
 
 package org.apache.pekko.actor.testkit.typed.javadsl
 
-import org.apache.pekko.actor.testkit.typed.annotations.JUnit5TestKit
 import org.junit.jupiter.api.extension.{ AfterAllCallback, BeforeTestExecutionCallback, ExtensionContext }
 import org.junit.platform.commons.support.AnnotationSupport
 
+import org.apache.pekko.actor.testkit.typed.annotations.JUnit5TestKit
+
 final class TestKitJUnit5Extension() extends AfterAllCallback with BeforeTestExecutionCallback {
 
   var testKit: Option[ActorTestKit] = None

diff --git a/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/TestKitJunitResource.scala b/...ed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/TestKitJunitResource.scala
@@ -15,8 +15,6 @@ package org.apache.pekko.actor.testkit.typed.javadsl
 
 import java.time.Duration
 
-import com.typesafe.config.Config
-import com.typesafe.config.ConfigFactory
 import org.junit.Rule
 import org.junit.rules.ExternalResource
 
@@ -33,6 +31,9 @@ import pekko.actor.typed.Props
 import pekko.actor.typed.Scheduler
 import pekko.util.Timeout
 
+import com.typesafe.config.Config
+import com.typesafe.config.ConfigFactory
+
 /**
  * A Junit external resource for the [[ActorTestKit]], making it possible to have Junit manage the lifecycle of the testkit.
  * The testkit will be automatically shut down when the test completes or fails.

diff --git a/...testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/TestProbe.scala b/...testkit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/javadsl/TestProbe.scala
@@ -18,7 +18,6 @@ import java.util.{ List => JList }
 import java.util.function.Supplier
 
 import org.apache.pekko
-import pekko.japi.function.Creator
 import pekko.actor.testkit.typed.FishingOutcome
 import pekko.actor.testkit.typed.TestKitSettings
 import pekko.actor.testkit.typed.internal.TestProbeImpl
@@ -27,6 +26,7 @@ import pekko.actor.typed.ActorSystem
 import pekko.actor.typed.RecipientRef
 import pekko.actor.typed.internal.InternalRecipientRef
 import pekko.annotation.DoNotInherit
+import pekko.japi.function.Creator
 import pekko.util.unused
 
 object FishingOutcomes {

diff --git a/...kit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/scaladsl/ActorTestKit.scala b/...kit-typed/src/main/scala/org/apache/pekko/actor/testkit/typed/scaladsl/ActorTestKit.scala
@@ -20,10 +20,6 @@ import scala.concurrent.Await
 import scala.concurrent.duration._
 import scala.reflect.ClassTag
 
-import com.typesafe.config.Config
-import com.typesafe.config.ConfigFactory
-import org.slf4j.LoggerFactory
-
 import org.apache.pekko
 import pekko.actor.DeadLetter
 import pekko.actor.DeadLetterSuppression
@@ -43,6 +39,11 @@ import pekko.actor.typed.scaladsl.adapter._
 import pekko.annotation.InternalApi
 import pekko.util.Timeout
 
+import org.slf4j.LoggerFactory
+
+import com.typesafe.config.Config
+import com.typesafe.config.ConfigFactory
+
 object ActorTestKit {
 
   private val testKitGuardianCounter = new AtomicInteger(0)