Package jodd.proxetta

Source Code of jodd.proxetta.SubclassTest

// Copyright (c) 2003-2014, Jodd Team (jodd.org). All Rights Reserved.

package jodd.proxetta;

import jodd.proxetta.data.*;
import jodd.proxetta.impl.ProxyProxetta;
import jodd.proxetta.impl.ProxyProxettaBuilder;
import jodd.proxetta.pointcuts.AllMethodsPointcut;
import jodd.util.StringUtil;
import org.junit.Test;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import static org.junit.Assert.*;

public class SubclassTest {

  @Test
  public void test1() {

    ProxyAspect a1 = new ProxyAspect(FooProxyAdvice.class, new ProxyPointcut() {
      public boolean apply(MethodInfo methodInfo) {
        return true;
      }
    });

/*
    byte[] b = Proxetta.withAspects(a1).createProxy(Foo.class);
    try {
      FileUtil.writeBytes("d:\\Foo.class", b);
    } catch (IOException e) {
      e.printStackTrace();
    }
*/
    ProxyProxetta proxyProxetta = ProxyProxetta.withAspects(a1);
    proxyProxetta.setClassNameSuffix("$$$Proxetta");
    ProxyProxettaBuilder pb = proxyProxetta.builder();
    pb.setTarget(Foo.class);
    Foo foo = (Foo) pb.newInstance();

    Class fooProxyClass = foo.getClass();
    assertNotNull(fooProxyClass);

    Method[] methods = fooProxyClass.getMethods();
    assertEquals(12, methods.length);
    try {
      fooProxyClass.getMethod("m1");
    } catch (NoSuchMethodException nsmex) {
      fail(nsmex.toString());
    }


    methods = fooProxyClass.getDeclaredMethods();
    assertEquals(15, methods.length);
    try {
      fooProxyClass.getDeclaredMethod("m2");
    } catch (NoSuchMethodException nsmex) {
      fail(nsmex.toString());
    }

  }

  @Test
  public void testProxyClassNames() {
    ProxyProxetta proxyProxetta = ProxyProxetta.withAspects(new ProxyAspect(FooProxyAdvice.class, new AllMethodsPointcut()));
    proxyProxetta.setVariableClassName(true);

    ProxyProxettaBuilder builder = proxyProxetta.builder();
    builder.setTarget(Foo.class);
    Foo foo = (Foo) builder.newInstance();

    assertNotNull(foo);
    assertEquals(Foo.class.getName() + "$$Proxetta", StringUtil.substring(foo.getClass().getName(), 0, -1));

    builder = proxyProxetta.builder();
    builder.setTarget(Foo.class);
    foo = (Foo) builder.newInstance();

    assertNotNull(foo);
    assertEquals(Foo.class.getName() + "$$Proxetta", StringUtil.substring(foo.getClass().getName(), 0, -1));

    proxyProxetta.setClassNameSuffix("$$Ppp");
    builder = proxyProxetta.builder();
    builder.setTarget(Foo.class);
    foo = (Foo) builder.newInstance();

    assertNotNull(foo);
    assertEquals(Foo.class.getName() + "$$Ppp", StringUtil.substring(foo.getClass().getName(), 0, -1));

    proxyProxetta.setClassNameSuffix("$$Proxetta");
    proxyProxetta.setVariableClassName(false);
    builder = proxyProxetta.builder(Foo.class, ".Too");
    foo = (Foo) builder.newInstance();

    assertNotNull(foo);
    assertEquals(Foo.class.getPackage().getName() + ".Too$$Proxetta", foo.getClass().getName());

    builder = proxyProxetta.builder();
    builder.setTarget(Foo.class);
    builder.setTargetProxyClassName("foo.");
    foo = (Foo) builder.newInstance();

    assertNotNull(foo);
    assertEquals("foo.Foo$$Proxetta", foo.getClass().getName());

    proxyProxetta.setClassNameSuffix(null);
    builder = proxyProxetta.builder();
    builder.setTargetProxyClassName("foo.Fff");
    builder.setTarget(Foo.class);
    foo = (Foo) builder.newInstance();

    assertNotNull(foo);
    assertEquals("foo.Fff", foo.getClass().getName());

  }

  @Test
  public void testInnerOverride() {
    ProxyProxetta proxyProxetta = ProxyProxetta.withAspects(new ProxyAspect(FooProxyAdvice.class, new AllMethodsPointcut()));
    ProxyProxettaBuilder builder = proxyProxetta.builder();
    builder.setTarget(Two.class);
    builder.setTargetProxyClassName("foo.");

    Two two = (Two) builder.newInstance();

    assertNotNull(two);
    assertEquals("foo.Two$$Proxetta", two.getClass().getName());
  }

  @Test
  public void testJdk() throws Exception {
    ProxyProxetta proxyProxetta = ProxyProxetta.withAspects(new ProxyAspect(StatCounterAdvice.class, new AllMethodsPointcut()));
    proxyProxetta.setVariableClassName(false);

    ProxyProxettaBuilder builder = proxyProxetta.builder();
    builder.setTarget(Object.class);
    try {
      builder.define();
      fail("Default class loader should not load java.*");
    } catch (RuntimeException rex) {
      // ignore
    }

    builder = proxyProxetta.builder();
    builder.setTarget(Object.class);
    builder.setTargetProxyClassName("foo.");
    Object object = builder.newInstance();

    assertNotNull(object);
    assertEquals("foo.Object$$Proxetta", object.getClass().getName());

    System.out.println("----------list");

    StatCounter.counter = 0;

    builder = proxyProxetta.builder(ArrayList.class, "foo.");
    List list = (List) builder.newInstance();
    assertNotNull(list);
    assertEquals("foo.ArrayList$$Proxetta", list.getClass().getName());

    assertEquals(1, StatCounter.counter);
    list.add(new Integer(1));
    assertTrue(StatCounter.counter == 3 || StatCounter.counter == 2);

    System.out.println("----------set");

    builder = proxyProxetta.builder(HashSet.class, "foo.");
    Set set = (Set) builder.newInstance();

    assertNotNull(set);
    assertEquals("foo.HashSet$$Proxetta", set.getClass().getName());

    assertTrue(StatCounter.counter == 4 || StatCounter.counter == 3);
    set.add(new Integer(1));
    assertTrue(StatCounter.counter == 5 || StatCounter.counter == 4);

  }
}
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