Rename module (#1234)

Rename libraries module

libraries/src/test/java/com/baeldung/cglib/proxy/BeanGeneratorTest.java

@@ -0,0 +1,32 @@
+package com.baeldung.cglib.proxy;
+
+
+import net.sf.cglib.beans.BeanGenerator;
+import org.junit.Test;
+
+import java.lang.reflect.Method;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class BeanGeneratorTest {
+
+    @Test
+    public void givenBeanCreator_whenAddProperty_thenClassShouldHaveFieldValue() throws Exception {
+        //given
+        BeanGenerator beanGenerator = new BeanGenerator();
+
+        //when
+        beanGenerator.addProperty("name", String.class);
+        Object myBean = beanGenerator.create();
+        Method setter = myBean
+                .getClass()
+                .getMethod("setName", String.class);
+        setter.invoke(myBean, "some string value set by a cglib");
+
+        //then
+        Method getter = myBean
+                .getClass()
+                .getMethod("getName");
+        assertEquals("some string value set by a cglib", getter.invoke(myBean));
+    }
+}

libraries/src/test/java/com/baeldung/cglib/proxy/MixinTest.java

@@ -0,0 +1,24 @@
+package com.baeldung.cglib.proxy;
+
+import com.baeldung.cglib.mixin.*;
+import net.sf.cglib.proxy.Mixin;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class MixinTest {
+
+    @Test
+    public void givenTwoClasses_whenMixedIntoOne_thenMixinShouldHaveMethodsFromBothClasses() throws Exception {
+        //when
+        Mixin mixin = Mixin.create(
+                new Class[]{Interface1.class, Interface2.class, MixinInterface.class},
+                new Object[]{new Class1(), new Class2()}
+        );
+        MixinInterface mixinDelegate = (MixinInterface) mixin;
+
+        //then
+        assertEquals("first behaviour", mixinDelegate.first());
+        assertEquals("second behaviour", mixinDelegate.second());
+    }
+}

libraries/src/test/java/com/baeldung/cglib/proxy/ProxyTest.java

@@ -0,0 +1,60 @@
+package com.baeldung.cglib.proxy;
+
+import net.sf.cglib.proxy.Enhancer;
+import net.sf.cglib.proxy.FixedValue;
+import net.sf.cglib.proxy.MethodInterceptor;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class ProxyTest {
+    @Test
+    public void givenPersonService_whenSayHello_thenReturnResult() {
+        //given
+        PersonService personService = new PersonService();
+
+        //when
+        String res = personService.sayHello("Tom");
+
+        //then
+        assertEquals(res, "Hello Tom");
+    }
+
+    @Test
+    public void givenEnhancerProxy_whenExtendPersonService_thenInterceptMethod() throws Exception {
+        //given
+        Enhancer enhancer = new Enhancer();
+        enhancer.setSuperclass(PersonService.class);
+        enhancer.setCallback((FixedValue) () -> "Hello Tom!");
+        PersonService proxy = (PersonService) enhancer.create();
+
+        //when
+        String res = proxy.sayHello(null);
+
+        //then
+        assertEquals("Hello Tom!", res);
+    }
+
+    @Test
+    public void givenEnhancer_whenExecuteMethodOnProxy_thenInterceptOnlyStringReturnTypeMethod() throws Exception {
+        //given
+        Enhancer enhancer = new Enhancer();
+        enhancer.setSuperclass(PersonService.class);
+        enhancer.setCallback((MethodInterceptor) (obj, method, args, proxy) -> {
+            if (method.getDeclaringClass() != Object.class && method.getReturnType() == String.class) {
+                return "Hello Tom!";
+            } else {
+                return proxy.invokeSuper(obj, args);
+            }
+        });
+
+        //when
+        PersonService proxy = (PersonService) enhancer.create();
+
+        //then
+        assertEquals("Hello Tom!", proxy.sayHello(null));
+        int lengthOfName = proxy.lengthOfName("Mary");
+        assertEquals(4, lengthOfName);
+    }
+
+}