/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
 *
 *    https://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 grails.gorm.tests

import org.apache.grails.data.testing.tck.domains.OptLockNotVersioned
import org.apache.grails.data.testing.tck.domains.OptLockVersioned
import org.apache.grails.data.hibernate5.core.GrailsDataHibernate5TckManager
import org.apache.grails.data.testing.tck.base.GrailsDataTckSpec
import org.grails.orm.hibernate.support.hibernate5.HibernateOptimisticLockingFailureException

/**
 * @author Burt Beckwith
 */
class HibernateOptimisticLockingSpec extends GrailsDataTckSpec<GrailsDataHibernate5TckManager> {

    void "Test optimistic locking"() {

        given:
        def o = new OptLockVersioned(name: 'locked').save(flush: true)
        manager.session.clear()
        manager.transactionManager.commit manager.transactionStatus
        manager.transactionStatus = null

        when:
        OptLockVersioned.withTransaction {
            o = OptLockVersioned.get(o.id)

            Thread.start {
                OptLockVersioned.withTransaction { s ->
                    def reloaded = OptLockVersioned.get(o.id)
                    assert reloaded
                    assert reloaded != o
                    reloaded.name += ' in new session'
                    reloaded.save(flush: true)
                    assert reloaded.version == 1
                    assert o.version == 0
                }

            }.join()

            o.name += ' in main session'
            o.save(flush: true)

            manager.session.clear()
            o = OptLockVersioned.get(o.id)
        }
        then:
        thrown HibernateOptimisticLockingFailureException
    }

    void "Test optimistic locking disabled with 'version false'"() {
        given:
        def o = new OptLockNotVersioned(name: 'locked').save(flush: true)
        manager.session.clear()
        manager.transactionManager.commit manager.transactionStatus
        manager.transactionStatus = null

        when:
        def ex
        OptLockNotVersioned.withTransaction {
            o = OptLockNotVersioned.get(o.id)

            Thread.start {
                OptLockNotVersioned.withTransaction { s ->
                    def reloaded = OptLockNotVersioned.get(o.id)
                    reloaded.name += ' in new session'
                    reloaded.save(flush: true)
                }

            }.join()

            o.name += ' in main session'

            try {
                o.save(flush: true)
            }
            catch (e) {
                ex = e
                e.printStackTrace()
            }

            manager.session.clear()
            o = OptLockNotVersioned.get(o.id)

        }

        then:
        ex == null
        o.name == 'locked in main session'
    }
}
