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

   1 /**
   2  * Class description here.
   3
   4  * @author Graeme Rocher
   5  * @since 0.4
   6   *
   7  * Created: Jul 23, 2007
   8  * Time: 4:46:49 PM
   9  *
  10  */
  11
  12 package org.codehaus.groovy.grails.orm.hibernate
  13
  14 import org.codehaus.groovy.grails.commons.GrailsDomainClass
  15
  16 class CascadingDeleteBehaviourTests extends AbstractGrailsHibernateTests {
  17
  18
  19
  20     void testDeleteToOne() {
  21         def companyClass = ga.getDomainClass("Company")
  22         def projectClass = ga.getDomainClass("Project")
  23         def memberClass = ga.getDomainClass("Member")
  24         def c = companyClass.newInstance()
  25         def p = projectClass.newInstance()
  26         def m = memberClass.newInstance()
  27         c.save()
  28         p.company = c
  29         p.member = m
  30         p.save()
  31
  32         session.flush()
  33
  34         p.delete()
  35         session.flush()                                     \
  36
  37         assertEquals 1, companyClass.clazz.count()
  38         assertEquals 0, memberClass.clazz.count()
  39         assertEquals 0, projectClass.clazz.count()
  40
  41     }
  42
  43     void testDeleteToManyUnidirectional() {
  44         def companyClass = ga.getDomainClass("Company")
  45         def locationClass = ga.getDomainClass("Location")
  46         def personClass = ga.getDomainClass("Person")
  47
  48         def c = companyClass.newInstance()
  49
  50         c.addToLocations(locationClass.newInstance())
  51         c.addToPeople(personClass.newInstance())
  52         c.save()
  53         session.flush()
  54
  55         assertEquals 1, companyClass.clazz.count()
  56          assertEquals 1, locationClass.clazz.count()
  57         assertEquals 1, personClass.clazz.count()
  58
  59         c.delete()
  60         session.flush()
  61
  62         assertEquals 0, companyClass.clazz.count()
  63         assertEquals 1, locationClass.clazz.count()
  64         assertEquals 0, personClass.clazz.count()
  65
  66     }
  67
  68     void testDomainModel() {
  69         GrailsDomainClass companyClass = ga.getDomainClass("Company")
  70         GrailsDomainClass memberClass = ga.getDomainClass("Member")
  71         GrailsDomainClass projectClass = ga.getDomainClass("Project")
  72         GrailsDomainClass locationClass = ga.getDomainClass("Location")
  73         GrailsDomainClass personClass = ga.getDomainClass("Person")
  74
  75
  76         assert !companyClass.isOwningClass(memberClass.clazz)
  77         assert !companyClass.isOwningClass(projectClass.clazz)
  78         assert !companyClass.isOwningClass(locationClass.clazz)
  79         assert !companyClass.isOwningClass(personClass.clazz)
  80
  81         assert !projectClass.isOwningClass(companyClass.clazz)
  82         assert !projectClass.isOwningClass(memberClass.clazz)
  83         assert !projectClass.isOwningClass(locationClass.clazz)
  84         assert !projectClass.isOwningClass(personClass.clazz)
  85
  86         assert memberClass.isOwningClass(projectClass.clazz)
  87         assert !memberClass.isOwningClass(companyClass.clazz)
  88         assert !memberClass.isOwningClass(personClass.clazz)
  89         assert !memberClass.isOwningClass(locationClass.clazz)
  90
  91         assert personClass.isOwningClass(companyClass.clazz)
  92         assert !personClass.isOwningClass(locationClass.clazz)
  93         assert !personClass.isOwningClass(memberClass.clazz)
  94         assert !personClass.isOwningClass(projectClass.clazz)
  95
  96
  97     }
  98
  99     void onSetUp() {
 100                 this.gcl.parseClass('''
 101 class Company {
 102         Long id
 103         Long version
 104
 105     static hasMany = [locations:Location, people:Person]
 106     Set locations
 107     Set people
 108 }
 109 class Person {
 110         Long id
 111         Long version
 112     static belongsTo = Company
 113 }
 114 class Location {
 115         Long id
 116         Long version
 117 }
 118 class Project {
 119         Long id
 120         Long version
 121
 122     Company company
 123     Member member
 124 }
 125 class Member {
 126         Long id
 127         Long version
 128
 129     static belongsTo = Project
 130 }
 131 '''
 132                 )
 133         }
 134 }