Merge pull request #503 from morgen-peschke/extend-serializable

Have FUUID extend Serializable

modules/core/.jvm/src/test/scala/io/chrisdavenport/fuuid/FUUIDJvmSpec.scala

@@ -1,8 +1,12 @@
 package io.chrisdavenport.fuuid
 
+import cats.ApplicativeThrow
 import cats.effect.IO
 import munit.CatsEffectSuite
 
+import java.io.{ByteArrayInputStream, ByteArrayOutputStream, ObjectInputStream, ObjectOutputStream}
+import scala.reflect.ClassTag
+
 class FUUIDJvmSpec extends CatsEffectSuite {
   test("FUUID.nameBased") {
     test("produce a valid UUID") {
@@ -22,4 +26,31 @@ class FUUIDJvmSpec extends CatsEffectSuite {
       FUUID.nameBased[IO](namespace, name).assertEquals(expected)
     }
   }
+
+  test("FUUID.fuuid survives Java serialization") {
+    def serialize(fuuid: FUUID): IO[Array[Byte]] = {
+      ApplicativeThrow[IO].catchNonFatal {
+        val byteStream = new ByteArrayOutputStream()
+        val objectStream = new ObjectOutputStream(byteStream)
+        objectStream.writeObject(fuuid)
+        objectStream.close()
+        byteStream.toByteArray
+      }
+    }
+
+    def deserialize(bytes: Array[Byte]): IO[FUUID] = ApplicativeThrow[IO].catchNonFatal {
+      val byteStream = new ByteArrayInputStream(bytes)
+      val objectStream = new ObjectInputStream(byteStream)
+      val obj = objectStream.readObject()
+      val clazz = implicitly[ClassTag[FUUID]]
+      obj match {
+        case clazz(fuuid) => fuuid
+        case _ => fail("deserialized value not recognized as FUUID", clues(obj))
+      }
+    }
+
+    FUUID.randomFUUID[IO].flatMap { original =>
+      serialize(original).flatMap(deserialize).assertEquals(original)
+    }
+  }
 }

modules/core/src/main/scala-2/io/chrisdavenport/fuuid/FUUID.scala

@@ -8,7 +8,7 @@ import java.util.UUID
 
 import scala.reflect.macros.blackbox
 
-final class FUUID private (private val uuid: UUID) {
+final class FUUID private (private val uuid: UUID) extends Serializable {
 
   // Direct show method so people do not use toString
   def show: String = uuid.show

modules/core/src/main/scala-3/io/chrisdavenport/fuuid/FUUID.scala

@@ -8,7 +8,7 @@ import compiletime.asMatchable
 import java.util.UUID
 import scala.quoted.*
 
-final class FUUID private (private val uuid: UUID) {
+final class FUUID private (private val uuid: UUID) extends Serializable {
 
   // Direct show method so people do not use toString
   def show: String = uuid.show

project/plugins.sbt

@@ -1,3 +1,5 @@
 addSbtPlugin("org.scalameta"             % "sbt-scalafmt"   % "2.4.6")
 addSbtPlugin("io.github.davidgregory084" % "sbt-tpolecat"   % "0.3.1")
 addSbtPlugin("io.chrisdavenport"         % "sbt-davenverse" % "0.1.4")
+
+libraryDependencies += "org.scala-js" %% "scalajs-env-nodejs" % "1.2.1"