i2b2-merge-to…

JsonEnrichmentsTest.scala
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			package net.shrine.protocol.query

			import net.shrine.util.ShouldMatchersForJUnit
			import org.junit.Test
			//import net.liftweb.json.JsonAST._
			import net.liftweb.json.JsonDSL._
			import net.liftweb.json._
			import scala.util.Try

			/**
			* @author clint
			* @date Dec 3, 2014
			*/
			final class JsonEnrichmentsTest extends ShouldMatchersForJUnit {
			import JsonEnrichments._

			private val json = parse("""{"x":"123","y":"abc"}""")

			val json2 = JObject(List(JField("x", JString("123")), JField("z", JNothing)))

			@Test
			def testWithChildString: Unit = {
			json.withChildString("z").isFailure should be(true)
			json.withChildString("x").get should equal("123")
			json.withChildString("y").get should equal("abc")
			}

			@Test
			def testWithChildTryExtractor: Unit = {
			def tryToInt(jstring: JString): Try[Int] = Try(jstring.values.toInt)

			json.withChild("z", tryToInt(_)).isFailure should be(true)
			json.withChild("x", tryToInt(_)).get should equal(123)
			json.withChild("y", tryToInt(_)).isFailure should be(true)

			json2.withChild("x", tryToInt(_)).get should be(123)
			json2.withChild("z", tryToInt(_)).isFailure should be(true)
			}

			@Test
			def testWithChildOptionExtractor: Unit = {
			def toInt(jstring: JString): Option[Int] = Try(jstring.values.toInt).toOption

			json.withChild("z", toInt(_)).isFailure should be(true)
			json.withChild("x", toInt(_)).get should equal(123)
			json.withChild("y", toInt(_)).isFailure should be(true)

			json2.withChild("x", toInt(_)).get should be(123)
			json2.withChild("z", toInt(_)).isFailure should be(true)
			}
			}