GAVTest.java

package org.springframework.roo.project;

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

import org.apache.commons.lang3.StringUtils;
import org.junit.Test;

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

  private static final String GROUP_ID = "org.apache.maven";
  private static final String VERSION = "5.6";
  private static final String ARTIFACT_ID = "maven-surefire-plugin";
  private static final GAV GAV_1A = new GAV(GROUP_ID, ARTIFACT_ID, VERSION);
  private static final GAV GAV_1B = new GAV(GROUP_ID, ARTIFACT_ID, VERSION);
  private static final GAV GAV_2 = new GAV(GROUP_ID, ARTIFACT_ID, VERSION + ".1");

  @Test
  public void testConstructorAndGetters() {
    // Set up

    // Invoke
    final GAV gav = new GAV(GROUP_ID, ARTIFACT_ID, VERSION);

    // Check
    assertEquals(GROUP_ID, gav.getGroupId());
    assertEquals(ARTIFACT_ID, gav.getArtifactId());
    assertEquals(VERSION, gav.getVersion());
  }

  @Test
  public void testGetInstance() {
    // Set up
    final String coordinates =
        StringUtils.join(new String[] {GROUP_ID, ARTIFACT_ID, VERSION},
            MavenUtils.COORDINATE_SEPARATOR);

    // Invoke
    final GAV gav = GAV.getInstance(coordinates);

    // Check
    assertEquals(GROUP_ID, gav.getGroupId());
    assertEquals(ARTIFACT_ID, gav.getArtifactId());
    assertEquals(VERSION, gav.getVersion());
  }

  @Test
  public void testInstancesWithDifferentVersionsAreNotEqual() {
    assertFalse(GAV_1A.equals(GAV_2));
    assertFalse(GAV_2.equals(GAV_1A));
  }

  @Test
  public void testInstancesWithDifferentVersionsCompareUnequally() {
    assertFalse(GAV_1A.compareTo(GAV_2) == 0);
  }

  @Test
  public void testInstancesWithSameCoordinatesAreEqual() {
    assertTrue(GAV_1A.equals(GAV_1B));
    assertTrue(GAV_1B.equals(GAV_1A));
  }

  @Test
  public void testInstancesWithSameCoordinatesCompareEqually() {
    assertEquals(0, GAV_1A.compareTo(GAV_1B));
  }

  @Test
  public void testInstancesWithSameCoordinatesHaveSameHashCode() {
    assertEquals(GAV_1A.hashCode(), GAV_1B.hashCode());
  }
}