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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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*
* 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
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package org.apache.cayenne.access.jdbc;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.junit.Test;
import java.sql.Types;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
*/
public class ColumnDescriptorTest {
@Test
public void testName() {
ColumnDescriptor column = new ColumnDescriptor();
column.setName("abc");
assertEquals("abc", column.getName());
}
@Test
public void testLabel() {
ColumnDescriptor column = new ColumnDescriptor();
column.setDataRowKey("abc");
assertEquals("abc", column.getDataRowKey());
}
@Test
public void testDbAttributeConstructor() {
DbEntity entity = new DbEntity("entity");
DbAttribute a = new DbAttribute();
a.setName("name");
a.setType(Types.VARCHAR);
a.setEntity(entity);
entity.addAttribute(a);
ColumnDescriptor column = new ColumnDescriptor(a, null);
assertEquals("name", column.getName());
assertEquals("name", column.getQualifiedColumnName());
assertEquals("entity", column.getTableName());
assertEquals(String.class.getName(), column.getJavaClass());
assertEquals("name", column.getDataRowKey());
assertEquals(Types.VARCHAR, column.getJdbcType());
}
@Test
public void testEquals() {
ColumnDescriptor column1 = new ColumnDescriptor();
column1.setName("n1");
column1.namePrefix = "np1";
column1.setTableName("t1");
// type should be ignored in the comparison
column1.setJdbcType(Types.VARCHAR);
ColumnDescriptor column2 = new ColumnDescriptor();
column2.setName("n1");
column2.namePrefix = "np1";
column2.setTableName("t1");
column2.setJdbcType(Types.BOOLEAN);
ColumnDescriptor column3 = new ColumnDescriptor();
column3.setName("n1");
column3.namePrefix = "np3";
column3.setTableName("t1");
assertEquals(column1, column2);
assertFalse(column1.equals(column3));
assertFalse(column3.equals(column2));
}
@Test
public void testHashCode() {
ColumnDescriptor column1 = new ColumnDescriptor();
column1.setName("n1");
column1.namePrefix = "np1";
column1.setTableName("t1");
// type should be ignored in the comparison
column1.setJdbcType(Types.VARCHAR);
ColumnDescriptor column2 = new ColumnDescriptor();
column2.setName("n1");
column2.namePrefix = "np1";
column2.setTableName("t1");
column2.setJdbcType(Types.BOOLEAN);
ColumnDescriptor column3 = new ColumnDescriptor();
column3.setName("n1");
column3.namePrefix = "np3";
column3.setTableName("t1");
assertEquals(column1.hashCode(), column2.hashCode());
// this is not really required by the hashcode contract... but just to see that
// different columns generally end up in different buckets..
assertTrue(column1.hashCode() != column3.hashCode());
}
}