borer scala json API cookbook as unit test cases. / published by https://github.com/dacr/code-examples-manager #b06a42b6-78ce-4cb4-bbc3-ab8679e53eba/9568258d9dc929eb47ca3becf6d0cdfc1894e916

json-borer.sc

// summary : borer scala json API cookbook as unit test cases.
// keywords : scala, scalatest, borer, json, @testable
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : b06a42b6-78ce-4cb4-bbc3-ab8679e53eba
// created-on : 2019-09-28T08:35:48Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "2.13.14"
//> using dep "org.scalatest::scalatest:3.2.16"
//> using dep "io.bullet::borer-core:1.7.2"
//> using dep "io.bullet::borer-derivation:1.7.2"
//> using objectWrapper
// ---------------------

// info - https://sirthias.github.io/borer/
// It uses scala2 macros !

import org.scalatest._, matchers._
import io.bullet.borer.Json
import io.bullet.borer.derivation.MapBasedCodecs._

case class Person(age:Int, name:String)
implicit val dogCodec = deriveCodec[Person]


class JsonBorerCookBook extends flatspec.AnyFlatSpec with should.Matchers {
  override def suiteName = "JsonBorerCookBook"

  "genson" should "deserialize array of strings" in {
    val decoded = Json.decode("""[1,2,3]""".getBytes).to[Array[Int]].value
    decoded shouldBe Array(1,2,3)
  }

  it should "deserialize scala case class" in {
    val decoded = Json.decode("""{"age":42, "name":"john"}""".getBytes).to[Person].value
    decoded shouldBe Person(42, "john")
  }

  it should "deserialize scala map" in {
    val decoded = Json.decode("""{"age":42, "weight":4242}""".getBytes).to[Map[String,Int]].value
    decoded shouldBe Map("age"->42, "weight"->4242)
  }

  it should "deserialize scala list" in {
    val decoded = Json.decode("""[1,2,3]""".getBytes()).to[List[Int]].value
    decoded shouldBe List(1,2,3)
  }
/*
  it should "deserialize java list?" in {
    fail()
    // val in = upickle.default.read[java.util.ArrayList[Int]]("""[1,2,3]""")
    //in shouldBe List(1,2,3)
  }

 */
}

org.scalatest.tools.Runner.main(Array("-oDF", "-s", classOf[JsonBorerCookBook].getName))