Neo4j Impermanent Database with Bolt Connector

build.sbt

libraryDependencies ++=
  "org.neo4j" % "neo4j-bolt" % "3.3.5" ::
    //("org.neo4j" % "neo4j-bolt" % "3.3.5" % classifier "tests")::
    //"org.neo4j" % "neo4j-cypher" % "3.3.5" % ::
    //("org.neo4j" % "neo4j-cypher" % "3.3.5" % classifier "tests")  ::
    //"org.neo4j" % "neo4j-io" % "3.3.5" % ::
    ("org.neo4j" % "neo4j-io" % "3.3.5" % classifier "tests") ::
    ("org.neo4j" % "neo4j-kernel" % "3.3.5") ::
    ("org.neo4j" % "neo4j-kernel" % "3.3.5" % classifier "tests") ::
    Nil

Embedded.scala

import org.neo4j.driver.v1._
import org.neo4j.graphdb.factory.GraphDatabaseSettings
import org.neo4j.helpers.ListenSocketAddress._
import org.neo4j.kernel.configuration.BoltConnector.EncryptionLevel._
import org.neo4j.kernel.configuration.Connector.ConnectorType._
import org.neo4j.kernel.configuration.Settings.{ FALSE, TRUE }
import org.neo4j.kernel.configuration._
import org.neo4j.test._
import org.scalatest._

val host = "localhost"
val port = new ServerSocket(0).getLocalPort

val connector = new BoltConnector("(bolt-connector-integration-tests)")
val database =
  new TestGraphDatabaseFactory().newImpermanentDatabaseBuilder()
    .setConfig(connector.`type`, BOLT.name())
    .setConfig(connector.enabled, TRUE)
    .setConfig(GraphDatabaseSettings.auth_enabled, FALSE)
    .setConfig(connector.encryption_level, DISABLED.name())
    .setConfig(connector.listen_address, listenAddress(host, port))
    .newGraphDatabase()

val driver = GraphDatabase.driver(s"bolt://$host:$port")

A snippet illustrating how to create an impermanent, embedded Neo4j database with the Bolt connector enabled and listening on a random port. Won't work with Scala 2.12 possibly due to neo4j/neo4j#8832.