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Lift Framework example source code file (ExtractionBugs.scala)

This example Lift Framework source code file (ExtractionBugs.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Lift Framework tags/keywords

doe, doe, extraction, extraction, hascompanion, list, list, nil, optionofint, pmap, specification, string, string, unicodefieldnames

The Lift Framework ExtractionBugs.scala source code

 * Copyright 2009-2011 WorldWide Conferencing, LLC
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *     http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package net.liftweb
package json

import org.specs.Specification

object ExtractionBugs extends Specification("Extraction bugs Specification") {
  implicit val formats = DefaultFormats
  "ClassCastException (BigInt) regression 2 must pass" in {
    val opt = OptionOfInt(Some(39))    
    Extraction.decompose(opt).extract[OptionOfInt].opt.get mustEqual 39

  "Extraction should not fail when Maps values are Lists" in {
    val m = PMap(Map("a" -> List("b"), "c" -> List("d")))
    Extraction.decompose(m).extract[PMap] mustEqual m

  "Extraction should always choose constructor with the most arguments if more than one constructor exists" in {
    val args = Meta.Reflection.primaryConstructorArgs(classOf[ManyConstructors])
    args.size mustEqual 4

  "Extraction should handle AnyRef" in {
    implicit val formats = DefaultFormats.withHints(FullTypeHints(classOf[ExtractWithAnyRef] :: Nil))
    val json = JObject(JField("jsonClass", JString(classOf[ExtractWithAnyRef].getName)) :: Nil)
    val extracted = Extraction.extract[AnyRef](json)
    extracted mustEqual ExtractWithAnyRef()

  "Extraction should work with unicode encoded field names (issue 1075)" in {
    parse("""{"foo.bar,baz":"x"}""").extract[UnicodeFieldNames] mustEqual UnicodeFieldNames("x")

  "Extraction should not fail if case class has a companion object" in {
    parse("""{"nums":[10]}""").extract[HasCompanion] mustEqual HasCompanion(List(10))

  case class OptionOfInt(opt: Option[Int])

  case class PMap(m: Map[String, List[String]])

  case class ManyConstructors(id: Long, name: String, lastName: String, email: String) {
    def this() = this(0, "John", "Doe", "")
    def this(name: String) = this(0, name, "Doe", "")
    def this(name: String, email: String) = this(0, name, "Doe", email)

  case class ExtractWithAnyRef()

  case class UnicodeFieldNames(`foo.bar,baz`: String)

  object HasCompanion {
    def hello = "hello"
  case class HasCompanion(nums: List[Int])

Other Lift Framework examples (source code examples)

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