neo4j cypher queries - simple embedded test example / published by https://github.com/dacr/code-examples-manager #d4ceb08f-d6fe-4853-8ce2-0a0994076590/3fc59c42e429a1414e9afaae856e9a7e1787df92

neo4j-cypher-raw-hello.sc

// summary : neo4j cypher queries - simple embedded test example
// keywords : scala, neo4j, cypher, @testable
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : d4ceb08f-d6fe-4853-8ce2-0a0994076590
// created-on : 2023-06-24T09:24:39+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.4.2"
//> using dep "org.neo4j.test:neo4j-harness:5.20.0"
//> using dep "org.neo4j.driver:neo4j-java-driver:5.21.0"
// ---------------------

import org.neo4j.driver.{GraphDatabase, AuthTokens}
import scala.util.Using
import scala.util.chaining.*

val fixture =
  """
    |CREATE (:Person {name: 'Jane'})
    |CREATE (:Person {name: 'Joe'})
    |""".stripMargin

val builder =
  org.neo4j.harness.Neo4jBuilders
    .newInProcessBuilder()
    .withFixture(fixture)

Using(builder.build()) { embedded =>
  Using(GraphDatabase.driver(embedded.boltURI(), AuthTokens.none())) { driver =>
    Using(driver.session()) { session =>
      val query  = "MATCH (n) RETURN count(n) AS count"
      val result = session.run(query)
      val count  = result.single().get("count").asInt()
      println(s"'$query' : count = $count")
    }.tap(r => println(r))
  }.tap(r => println(r))
}.tap(r => println(r))