Initial commit for "Spring Custom Annotation with Dynamic Qualifier"

article.

spring-all/src/test/java/org/baeldung/customannotation/DataAccessFieldCallbackTest.java

@@ -0,0 +1,53 @@
+package org.baeldung.customannotation;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.notNullValue;
+import static org.junit.Assert.assertThat;
+
+import java.lang.reflect.Type;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration(classes = { CustomAnnotationConfiguration.class })
+public class DataAccessFieldCallbackTest {
+
+    @Autowired
+    private ConfigurableListableBeanFactory configurableListableBeanFactory;
+
+    @Autowired
+    private BeanWithGenericDAO beanWithGenericDAO;
+
+    @Rule
+    public ExpectedException ex = ExpectedException.none();
+
+    @Test
+    public void whenObjectCreated_thenObjectCreationIsSuccessful() {
+        final DataAccessFieldCallback dataAccessFieldCallback = new DataAccessFieldCallback(configurableListableBeanFactory, beanWithGenericDAO);
+        assertThat(dataAccessFieldCallback, is(notNullValue()));
+    }
+
+    @Test
+    public void whenMethodGenericTypeIsValidCalled_thenReturnCorrectValue()
+            throws NoSuchFieldException, SecurityException {
+        final DataAccessFieldCallback callback = new DataAccessFieldCallback(configurableListableBeanFactory, beanWithGenericDAO);
+        final Type fieldType = BeanWithGenericDAO.class.getDeclaredField("personGenericDAO").getGenericType();
+        final boolean result = callback.genericTypeIsValid(Person.class, fieldType);
+        assertThat(result, is(true));
+    }
+
+    @Test
+    public void whenMethodGetBeanInstanceCalled_thenReturnCorrectInstance() {
+        final DataAccessFieldCallback callback = new DataAccessFieldCallback(configurableListableBeanFactory, beanWithGenericDAO);
+        final Object result = callback.getBeanInstance("personGenericDAO", GenericDAO.class, Person.class);
+        assertThat((result instanceof GenericDAO), is(true));
+    }
+}