test/groovy/org/codehaus/groovy/grails/orm/hibernate/DeleteFromCollectionTests.groovy

   1 /**
   2  * @author Graeme Rocher
   3  * @since 1.0
   4  *
   5  * Created: Nov 22, 2007
   6  */
   7 package org.codehaus.groovy.grails.orm.hibernate
   8 class DeleteFromCollectionTests extends AbstractGrailsHibernateTests {
   9
  10     protected void onSetUp() {
  11         gcl.parseClass('''
  12 class DeleteBook {
  13     Long id
  14     Long version
  15     String title
  16     DeleteAuthor author
  17     static belongsTo = DeleteAuthor
  18 }
  19 class DeleteAuthor {
  20     Long id
  21     Long version
  22     String name
  23     Set books
  24     static hasMany = [books:DeleteBook]
  25 }
  26 ''')
  27     }
  28
  29     void testDeleteFromCollection() {
  30         def bookClass = ga.getDomainClass("DeleteBook").clazz
  31         def authorClass = ga.getDomainClass("DeleteAuthor").clazz
  32
  33         authorClass.newInstance(name:"Stephen King")
  34                     .addToBooks(title:"The Stand")
  35                     .addToBooks(title:"The Shining")
  36                     .save(flush:true)
  37
  38
  39         session.clear()
  40
  41         def author = authorClass.get(1)
  42
  43         assert author
  44         assertEquals 2, author.books.size()
  45
  46         def book1 = author.books.find { it.title.endsWith("Stand") }
  47         author.removeFromBooks(book1)
  48         book1.delete(flush:true)
  49
  50         session.clear()
  51
  52         author = authorClass.get(1)
  53
  54         assert author
  55         assertEquals 1, author.books.size()
  56     }
  57
  58 }