ClasspathOperationsImplTest.java

package org.springframework.roo.classpath.operations;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.roo.classpath.TypeLocationService;
import org.springframework.roo.model.JavaType;

/**
 * Unit test of {@link ClasspathOperationsImpl}
 * 
 * @author Andrew Swan
 * @since 1.2.1
 */
public class ClasspathOperationsImplTest {

  // Fixture
  private ClasspathOperationsImpl classpathOperations;
  @Mock
  private TypeLocationService mockTypeLocationService;

  @Before
  public void setUp() {
    MockitoAnnotations.initMocks(this);
    classpathOperations = new ClasspathOperationsImpl();
    classpathOperations.typeLocationService = mockTypeLocationService;
  }

  @Test
  public void testFocusOnTypeThatCannotBeLocated() {
    // Set up
    final JavaType mockType = mock(JavaType.class);
    final String typeName = "com.example.domain.Lost";
    when(mockType.getFullyQualifiedTypeName()).thenReturn(typeName);
    when(mockTypeLocationService.getPhysicalTypeIdentifier(mockType)).thenReturn(null);

    // Invoke and check
    try {
      classpathOperations.focus(mockType);
      fail("Expected a " + NullPointerException.class);
    } catch (final NullPointerException expected) {
      assertEquals("Cannot locate the type " + typeName, expected.getMessage());
    }
  }
}