Lift Framework example source code file (MappedLongForeignKeySpec.scala)

This example Lift Framework source code file (MappedLongForeignKeySpec.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

boxed, empty, empty, fk, froo, mappedlongforeignkey, mappedlongforeignkey, mappedlongforeignkeyspec, not, provider, provider, specification, specification, user

The Lift Framework MappedLongForeignKeySpec.scala source code

/*
 * Copyright 2010-2011 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,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.liftweb
package mapper

import org.specs.Specification

import common._
import util._


/**
 * Systems under specification for MappedLongForeignKey.
 */
object MappedLongForeignKeySpec extends Specification("MappedLongForeignKey Specification") {
  // Make sure we have everything configured first
  MapperSpecsModel.setup()

  def provider = DbProviders.H2MemoryProvider

  "MappedLongForeignKey" should {
    doBefore {
      (try {
        provider.setupDB
        MapperSpecsModel.cleanup()
      } catch {
        case e if !provider.required_? => skip("Provider %s not available: %s".format(provider, e))
      }) must not(throwAnException[Exception]).orSkipExample
    }

    "Not allow comparison to another FK" in {
      val dog = Dog.create.name("Froo").saveMe
      val user = {
        def ret: User = {
          val r = User.create.saveMe
          if (r.id.is >= dog.id.is) r
          else ret
        }

        ret
      }
      dog.owner(user).save
      val d2 = Dog.find(dog.id).open_!
      d2.id.is must_== user.id.is
      (d2.owner == user) must_== true
      (d2.owner == d2) must_== false
    }

    "be primed after setting a reference" in {
      val dog = Dog.create
      val user = User.create
      dog.owner(user)
      dog.owner.obj.isDefined must beTrue
    }
    
    "be primed after setting a Boxed reference" in {
      val dog = Dog.create
      val user = User.create
      dog.owner(Full(user))
      dog.owner.obj.isDefined must beTrue
    }
    
    "be empty after setting an Empty" in {
      val user = User.create
      val dog = Dog.create.owner(user)
      dog.owner(Empty)
      
      dog.owner.obj mustBe Empty
      dog.owner.is mustBe 0L
    }
  }
}