EnumConverterTest.java

package org.springframework.roo.converters;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.List;

import org.junit.Before;
import org.junit.Test;
import org.springframework.roo.shell.Completion;

/**
 * Unit test of {@link EnumConverter}
 * 
 * @author Andrew Swan
 * @since 1.2.0
 */
public class EnumConverterTest {

  /**
   * A simple test enum (enums can't be mocked).
   * 
   * @author Andrew Swan
   * @since 1.2.0
   */
  private enum Flavour {
    BANANA, CHERRY, RASPBERRY;
  }

  // Fixture
  private EnumConverter enumConverter;

  @Before
  public void setUp() {
    enumConverter = new EnumConverter();
  }

  @Test
  public void testConvertFromText() {
    // Invoke
    final Enum<?> result =
        enumConverter.convertFromText(Flavour.BANANA.name(), Flavour.class, "anything");

    // Check
    assertEquals(Flavour.BANANA, result);
  }

  @Test
  public void testGetAllPossibleValuesForPartialName() {
    // Set up
    final List<Completion> completions = new ArrayList<Completion>();

    // Invoke
    final boolean result =
        enumConverter.getAllPossibleValues(completions, Flavour.class, "b", "anything", null);

    // Check
    assertTrue(result);
    assertEquals(1, completions.size());
    assertEquals(Flavour.BANANA.name(), completions.get(0).getValue());
  }

  @Test
  public void testSupports() {
    assertTrue(enumConverter.supports(Flavour.class, "anything"));
  }
}