IdentityValueConverterTest.java

/*
 * Copyright (c) 2017 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.obiba.magma.type;

import org.junit.Test;
import org.obiba.magma.Value;
import org.obiba.magma.ValueConverter;
import org.obiba.magma.ValueType;
import org.obiba.magma.test.AbstractMagmaTest;

import static org.fest.assertions.api.Assertions.assertThat;

public class IdentityValueConverterTest extends AbstractMagmaTest {

  @Test
  public void test_converterFor_returnsAConverter() {
    ValueConverter converter = ValueType.Factory.converterFor(DecimalType.get(), DecimalType.get());
    assertThat(converter).isNotNull();
  }

  @Test
  public void test_converterFor_returnsAnIdentityConverter() {
    ValueConverter converter = ValueType.Factory.converterFor(DecimalType.get(), DecimalType.get());
    assertThat(converter).isNotNull();
    Value value = DecimalType.get().valueOf(1);
    Value converted = converter.convert(value, DecimalType.get());
    // Should be the same instance
    assertThat(value == converted).isTrue();
  }

  @Test
  public void test_convert_fromValueType() {
    Value value = DecimalType.get().valueOf(1);
    Value converted = DecimalType.get().convert(value);
    assertThat(value == converted).isTrue();
  }
}