EnumOrdinalTypeHandlerTest.java

/*
 *    Copyright 2009-2012 the original author or authors.
 *
 *    Licensed 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 under the License.
 */
package org.apache.ibatis.type;

import static org.junit.Assert.assertEquals;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.Test;

public class EnumOrdinalTypeHandlerTest extends BaseTypeHandlerTest {

  enum MyEnum {
    ONE, TWO
  }

  private static final TypeHandler<MyEnum> TYPE_HANDLER = new EnumOrdinalTypeHandler<MyEnum>(MyEnum.class);

  @Test
  public void shouldSetParameter() throws Exception {
    TYPE_HANDLER.setParameter(ps, 1, MyEnum.ONE, null);
    verify(ps).setInt(1, 0);
  }

  @Test
  public void shouldSetNullParameter() throws Exception {
    TYPE_HANDLER.setParameter(ps, 1, null, JdbcType.VARCHAR);
    verify(ps).setNull(1, JdbcType.VARCHAR.TYPE_CODE);
  }

  @Test
  public void shouldGetResultFromResultSet() throws Exception {
    when(rs.getInt("column")).thenReturn(0);
    when(rs.wasNull()).thenReturn(false);
    assertEquals(MyEnum.ONE, TYPE_HANDLER.getResult(rs, "column"));
  }

  @Test
  public void shouldGetNullResultFromResultSet() throws Exception {
    when(rs.getInt("column")).thenReturn(0);
    when(rs.wasNull()).thenReturn(true);
    assertEquals(null, TYPE_HANDLER.getResult(rs, "column"));
  }

  @Test
  public void shouldGetResultFromCallableStatement() throws Exception {
    when(cs.getInt(1)).thenReturn(0);
    when(cs.wasNull()).thenReturn(false);
    assertEquals(MyEnum.ONE, TYPE_HANDLER.getResult(cs, 1));
  }

  @Test
  public void shouldGetNullResultFromCallableStatement() throws Exception {
    when(cs.getInt(1)).thenReturn(0);
    when(cs.wasNull()).thenReturn(true);
    assertEquals(null, TYPE_HANDLER.getResult(cs, 1));
  }

}