Package org.apache.openjpa.persistence.jdbc.schema

Source Code of org.apache.openjpa.persistence.jdbc.schema.TestLazySchemaFactory

/*
* TestLazySchemaFactory.java
*
* Created on October 6, 2006, 1:47 PM
*
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/*
* 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
*
* http://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
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*/
package org.apache.openjpa.persistence.jdbc.schema;

import java.util.*;
import org.apache.openjpa.jdbc.conf.JDBCConfiguration;
import org.apache.openjpa.jdbc.schema.LazySchemaFactory;
import org.apache.openjpa.jdbc.schema.SchemaGroup;
import org.apache.openjpa.jdbc.schema.Table;

import org.apache.openjpa.persistence.jdbc.common.apps.*;
import org.apache.openjpa.persistence.common.utils.AbstractTestCase;

import java.lang.annotation.Annotation;
import junit.framework.*;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactory;
import org.apache.openjpa.persistence.OpenJPAEntityManager;


public class TestLazySchemaFactory
        extends org.apache.openjpa.persistence.jdbc.kernel.BaseJDBCTest {
      
    private SchemaGroup _group = null;
    private boolean _fks = true;
   
    /** Creates a new instance of TestLazySchemaFactory */
    public TestLazySchemaFactory() {
    }

    public TestLazySchemaFactory(String test) {
        super(test);
    }

    public void setUp()
        throws Exception {
        // see if the dict supports foreign keys; mysql can support them, but
        // can't detect keys added through alter table commands, which is what
        // kodo uses
        JDBCConfiguration conf = (JDBCConfiguration) getConfiguration();
        _fks = conf.getDBDictionaryInstance().supportsForeignKeys
            && getCurrentPlatform() != AbstractTestCase.Platform.MYSQL;

        LazySchemaFactory factory = new LazySchemaFactory();
        factory.setConfiguration(conf);
        factory.setPrimaryKeys(true);
        factory.setIndexes(true);
        factory.setForeignKeys(true);
        _group = factory;
    }

    public void testLazySchemaFactory() {
        // should read tables 1 and 2...
        Table table = _group.findTable("T1");
        assertNotNull(table);
        Table table2 = _group.findTable("t1");
        assertTrue(table == table2);

        int expectedColumns = 2;

        // Sybase has an extra "UNQ_INDEX" column.
        if (getCurrentPlatform() == AbstractTestCase.Platform.SYBASE)
            expectedColumns++;

        assertEquals(expectedColumns, table.getColumns().length);
        if (_fks)
            assertEquals(1, table.getForeignKeys().length);

        table2 = _group.findTable("T2");
        assertNotNull(table2);
        if (_fks)
            assertTrue(table.getForeignKeys()[0].getPrimaryKeyColumns()[0].
                getTable() == table2);

        assertNull(table.getSchema().getTable("T3"));

        // should read table 3 only...
        Table table3 = _group.findTable("T3");
        assertNotNull(table3);
        assertTrue(table.getSchema().getTable("T3") == table3);
        if (_fks)
            assertTrue(table3.getForeignKeys()[0].getPrimaryKeyColumns()[0].
                getTable() == table);

        assertNull(table3.getSchema().getTable("T4"));
    }

    public static void main(String[] args) {
        //main(TestLazySchemaFactory.class);
    }
   
}
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