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 *  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
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package org.apache.cayenne.dbsync.merge.token;

import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.dbsync.merge.context.MergerContext;
import org.apache.cayenne.dbsync.merge.factory.DefaultMergerTokenFactory;
import org.apache.cayenne.map.DataMap;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.junit.Test;

import static org.apache.cayenne.dbsync.merge.builders.ObjectMother.dataMap;
import static org.apache.cayenne.dbsync.merge.builders.ObjectMother.dbAttr;
import static org.apache.cayenne.dbsync.merge.builders.ObjectMother.dbEntity;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

/**
 * @since 4.0.
 */
public class TokensToModelExecutionTest {

    @Test
    public void testCreateAndDropTable() throws Exception {
        DbEntity entity = dbEntity().build();

        DataMap dataMap = dataMap().build();
        assertTrue(dataMap.getDbEntityMap().isEmpty());
        assertTrue(dataMap.getObjEntityMap().isEmpty());

        MergerContext context = MergerContext.builder(dataMap).dataNode(new DataNode()).build();
        new DefaultMergerTokenFactory().createCreateTableToModel(entity).execute(context);

        assertEquals(1, dataMap.getDbEntityMap().size());
        assertEquals(1, dataMap.getObjEntities().size());
        assertEquals(entity, dataMap.getDbEntity(entity.getName()));

        new DefaultMergerTokenFactory().createDropTableToModel(entity).execute(context);
        assertTrue(dataMap.getDbEntityMap().isEmpty());
        assertTrue(dataMap.getObjEntityMap().isEmpty());
    }

    @Test
    public void testCreateAndDropColumn() throws Exception {
        DbAttribute attr = dbAttr("attr").build();
        DbEntity entity = dbEntity().build();

        DataMap dataMap = dataMap().with(entity).build();
        assertEquals(1, dataMap.getDbEntityMap().size());
        assertTrue(dataMap.getObjEntityMap().isEmpty());

        MergerContext context = MergerContext.builder(dataMap).dataNode(new DataNode()).build();
        new DefaultMergerTokenFactory().createAddColumnToModel(entity, attr).execute(context);

        assertEquals(1, dataMap.getDbEntityMap().size());
        assertEquals(1, entity.getAttributes().size());
        assertEquals(attr, entity.getAttribute(attr.getName()));

        new DefaultMergerTokenFactory().createDropColumnToModel(entity, attr).execute(context);
        assertEquals(1, dataMap.getDbEntityMap().size());
        assertTrue(entity.getAttributes().isEmpty());
        assertTrue(dataMap.getObjEntityMap().isEmpty());
    }
}