grails.gorm.tests.CircularOneToManySpec.groovy Maven / Gradle / Ivy

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package grails.gorm.tests

import grails.persistence.Entity

/**
 * @author graemerocher
 */
class CircularOneToManySpec extends GormDatastoreSpec{

    void "Test circular one-to-many"() {
        given:
            def parent = new Task(name:"Root").save()
            def child = new Task(task:parent, name:"Finish Job").save(flush:true)
            session.clear()

        when:
            parent = Task.findByName("Root")
            child = Task.findByName("Finish Job")

        then:
            parent.task == null
            child.task.id == parent.id
    }
}

@Entity
class Task implements Serializable {
    Long id
    Long version
    Set tasks
    Task task
    String name

    static mapping = {
        name index:true
    }

    static hasMany = [tasks:Task]
}