package org.hibernate.envers.test.integration.superclass.auditparents;

import org.hibernate.ejb.Ejb3Configuration;
import org.hibernate.envers.Audited;
import org.hibernate.envers.test.AbstractEntityTest;
import org.hibernate.envers.test.Priority;
import org.hibernate.envers.test.entities.StrIntTestEntity;
import org.hibernate.envers.test.tools.TestTools;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Table;
import org.junit.Assert;
import org.junit.Test;

import javax.persistence.EntityManager;
import javax.persistence.MappedSuperclass;
import java.util.Set;

/**
 * Tests mapping of child entity that declares one of its ancestors as audited with {@link Audited#auditParents()} property.
 * All supperclasses are marked with {@link MappedSuperclass} annotation but not {@link Audited}.
 * @author Lukasz Antoniak (lukasz dot antoniak at gmail dot com)
 */
public class SingleAuditParentsTest extends AbstractEntityTest {
    private long childSingleId = 1L;
    private Integer siteSingleId = null;

    @Override
    public void configure(Ejb3Configuration cfg) {
        cfg.addAnnotatedClass(MappedGrandparentEntity.class);
        cfg.addAnnotatedClass(MappedParentEntity.class);
        cfg.addAnnotatedClass(ChildSingleParentEntity.class);
        cfg.addAnnotatedClass(StrIntTestEntity.class);
    }

    @Test
    @Priority(10)
    public void initData() {
        EntityManager em = getEntityManager();
        // Revision 1
        em.getTransaction().begin();
        StrIntTestEntity siteSingle = new StrIntTestEntity("data 1", 1);
        em.persist(siteSingle);
        em.persist(new ChildSingleParentEntity(childSingleId, "grandparent 1", "notAudited 1", "parent 1", "child 1", siteSingle));
        em.getTransaction().commit();
        siteSingleId = siteSingle.getId();
    }

    @Test
    public void testCreatedAuditTable() {
        Set<String> expectedColumns = TestTools.makeSet("child", "grandparent", "id");
        Set<String> unexpectedColumns = TestTools.makeSet("parent", "relation_id", "notAudited");

        Table table = getCfg().getClassMapping("org.hibernate.envers.test.integration.superclass.auditparents.ChildSingleParentEntity_AUD").getTable();

        for (String columnName : expectedColumns) {
            // Check whether expected column exists.
            Assert.assertNotNull(table.getColumn(new Column(columnName)));
        }
        for (String columnName : unexpectedColumns) {
            // Check whether unexpected column does not exist.
            Assert.assertNull(table.getColumn(new Column(columnName)));
        }
    }

    @Test
    public void testSingleAuditParent() {
        // expectedSingleChild.parent, expectedSingleChild.relation and expectedSingleChild.notAudited shall be null, because they are not audited.
        ChildSingleParentEntity expectedSingleChild = new ChildSingleParentEntity(childSingleId, "grandparent 1", null, null, "child 1", null);
        ChildSingleParentEntity child = getAuditReader().find(ChildSingleParentEntity.class, childSingleId, 1);
        Assert.assertEquals(expectedSingleChild, child);
        Assert.assertNull(child.getRelation());
    }
}