/** Tests where the static factory method is on a different class. */
@Test
public void testFactoryMethodsOnExternalClass() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
assertEquals(TestBean.class, xbf.getType("externalFactoryMethodWithoutArgs"));
assertEquals(TestBean.class, xbf.getType("externalFactoryMethodWithArgs"));
String[] names = xbf.getBeanNamesForType(TestBean.class);
assertTrue(Arrays.asList(names).contains("externalFactoryMethodWithoutArgs"));
assertTrue(Arrays.asList(names).contains("externalFactoryMethodWithArgs"));
TestBean tb = (TestBean) xbf.getBean("externalFactoryMethodWithoutArgs");
assertEquals(2, tb.getAge());
assertEquals("Tristan", tb.getName());
tb = (TestBean) xbf.getBean("externalFactoryMethodWithArgs");
assertEquals(33, tb.getAge());
assertEquals("Rod", tb.getName());
assertEquals(TestBean.class, xbf.getType("externalFactoryMethodWithoutArgs"));
assertEquals(TestBean.class, xbf.getType("externalFactoryMethodWithArgs"));
names = xbf.getBeanNamesForType(TestBean.class);
assertTrue(Arrays.asList(names).contains("externalFactoryMethodWithoutArgs"));
assertTrue(Arrays.asList(names).contains("externalFactoryMethodWithArgs"));
}
@Test
public void testFactoryMethodWithDifferentReturnType() {
DefaultListableBeanFactory xbf = new DefaultListableBeanFactory();
XmlBeanDefinitionReader reader = new XmlBeanDefinitionReader(xbf);
reader.loadBeanDefinitions(new ClassPathResource("factory-methods.xml", getClass()));
// Check that listInstance is not considered a bean of type FactoryMethods.
assertTrue(List.class.isAssignableFrom(xbf.getType("listInstance")));
String[] names = xbf.getBeanNamesForType(FactoryMethods.class);
assertTrue(!Arrays.asList(names).contains("listInstance"));
names = xbf.getBeanNamesForType(List.class);
assertTrue(Arrays.asList(names).contains("listInstance"));
xbf.preInstantiateSingletons();
assertTrue(List.class.isAssignableFrom(xbf.getType("listInstance")));
names = xbf.getBeanNamesForType(FactoryMethods.class);
assertTrue(!Arrays.asList(names).contains("listInstance"));
names = xbf.getBeanNamesForType(List.class);
assertTrue(Arrays.asList(names).contains("listInstance"));
List<?> list = (List<?>) xbf.getBean("listInstance");
assertEquals(Collections.EMPTY_LIST, list);
}
