WELD-2763 Correct how Weld chooses proxy package when a bean has unas…

…signable interface type

impl/src/main/java/org/jboss/weld/bean/proxy/ProxyFactory.java

@@ -209,11 +209,11 @@ static String getProxyName(String contextId, Class<?> proxiedBeanType, Set<? ext
                 }
             }
             if (typeModified) {
-                //this bean has interfaces that the base type is not assignable to
-                //which can happen with some creative use of the SPI
-                //interface only bean.
+                // This bean has interfaces that the base type is not assignable to.
+                // One example of this is an EJB bean using @Local and declaring an interface it doesn't implement.
+                // Another case is a CDI bean with type added via ProcessBeanAttributes which isn't directly implemented.
                 StringBuilder name = new StringBuilder(typeInfo.getSuperClass().getSimpleName() + "$");
-                holder = createCompoundProxyName(contextId, bean, typeInfo, name);
+                holder = createCompoundProxyName(contextId, bean, typeInfo, name, bean.getBeanClass().getPackage().getName());
             } else {
                 holder = new ProxyNameHolder(null, typeInfo.getSuperClass().getSimpleName(), bean);
             }
@@ -247,13 +247,19 @@ static String getProxyName(String contextId, Class<?> proxiedBeanType, Set<? ext
 
     private static ProxyNameHolder createCompoundProxyName(String contextId, Bean<?> bean, TypeInfo typeInfo,
             StringBuilder name) {
+        return createCompoundProxyName(contextId, bean, typeInfo, name, null);
+    }
+
+    private static ProxyNameHolder createCompoundProxyName(String contextId, Bean<?> bean, TypeInfo typeInfo,
+            StringBuilder name, String knownProxyPackage) {
         String className;
-        String proxyPackage = null;
+        String proxyPackage = knownProxyPackage;
         // we need a sorted collection without repetition, hence LinkedHashSet
         final Set<String> interfaces = new LinkedHashSet<>();
         // for producers, try to determine the most specific class and make sure the proxy starts with the same package and class
         if (bean != null && bean instanceof AbstractProducerBean) {
             Class<?> mostSpecificClass = ((AbstractProducerBean) bean).getType();
+            // for producers, always override the proxy package
             proxyPackage = mostSpecificClass.getPackage().getName();
             if (mostSpecificClass.getDeclaringClass() != null) {
                 interfaces.add(mostSpecificClass.getDeclaringClass().getSimpleName());

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/MyExtension.java

@@ -0,0 +1,16 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces;
+
+import jakarta.enterprise.event.Observes;
+import jakarta.enterprise.inject.spi.Extension;
+import jakarta.enterprise.inject.spi.ProcessBeanAttributes;
+
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.NotImplementedIface;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.impl.CDIBean;
+
+public class MyExtension implements Extension {
+
+    public void pba(@Observes ProcessBeanAttributes<CDIBean> pba) {
+        // add the type of the interface the class doesn't directly implement
+        pba.configureBeanAttributes().addType(NotImplementedIface.class);
+    }
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ProxyCreationForCdiBeanWithUnimplementedInterfaceTest.java

@@ -0,0 +1,45 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces;
+
+import jakarta.enterprise.inject.spi.Extension;
+import jakarta.inject.Inject;
+
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.Archive;
+import org.jboss.shrinkwrap.api.BeanArchive;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.weld.test.util.Utils;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.BeanIface;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.NotImplementedIface;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.impl.CDIBean;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+@RunWith(Arquillian.class)
+public class ProxyCreationForCdiBeanWithUnimplementedInterfaceTest {
+
+    @Deployment
+    public static Archive<?> deploy() {
+        return ShrinkWrap.create(BeanArchive.class, Utils.getDeploymentNameAsHash(ProxyCreationForEjbLocalTest.class))
+                .addClasses(MyExtension.class, ProxyCreationForCdiBeanWithUnimplementedInterfaceTest.class, CDIBean.class,
+                        NotImplementedIface.class, BeanIface.class)
+                .addAsServiceProvider(Extension.class, MyExtension.class);
+    }
+
+    @Inject
+    NotImplementedIface cdiBean;
+
+    @Test
+    public void testProxyPackageMatchesTheClass() {
+        // sanity check of the testing setup
+        Assert.assertEquals(NotImplementedIface.class.getSimpleName(), cdiBean.ping3());
+
+        // The assertion is based solely on inspecting the proxy format - expected package and first mentioned class
+        // We cannot rely on verifying that the class can be defined because if this runs on WFLY, it is a non-issue
+        // due to using ClassLoader#defineClass. The mismatch only shows when using MethodHandles.Lookup
+        // see https://github.com/jakartaee/platform-tck/issues/1194 for more information
+        Assert.assertEquals(CDIBean.class.getPackage(), cdiBean.getClass().getPackage());
+        Assert.assertTrue(cdiBean.getClass().getName().startsWith(CDIBean.class.getName()));
+    }
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ProxyCreationForEjbLocalTest.java

@@ -0,0 +1,53 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces;
+
+import jakarta.inject.Inject;
+
+import org.jboss.arquillian.container.test.api.Deployment;
+import org.jboss.arquillian.junit.Arquillian;
+import org.jboss.shrinkwrap.api.Archive;
+import org.jboss.shrinkwrap.api.BeanArchive;
+import org.jboss.shrinkwrap.api.ShrinkWrap;
+import org.jboss.weld.test.util.Utils;
+import org.jboss.weld.tests.category.Integration;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.LocalInterface1;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.LocalInterface2;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.NotImplementedButDeclaredInterface;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.impl.StatelessLocalBean;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+import org.junit.runner.RunWith;
+
+@Category(Integration.class)
+@RunWith(Arquillian.class)
+public class ProxyCreationForEjbLocalTest {
+
+    @Deployment
+    public static Archive<?> deploy() {
+        return ShrinkWrap.create(BeanArchive.class, Utils.getDeploymentNameAsHash(ProxyCreationForEjbLocalTest.class))
+                .addClasses(ProxyCreationForEjbLocalTest.class, LocalInterface1.class, LocalInterface2.class,
+                        NotImplementedButDeclaredInterface.class, StatelessLocalBean.class);
+    }
+
+    @Inject
+    StatelessLocalBean bean1;
+
+    @Inject
+    NotImplementedButDeclaredInterface bean2;
+
+    @Test
+    public void testProxyPackageMatchesTheClass() {
+        // sanity check of the testing setup
+        Assert.assertEquals(LocalInterface1.class.getSimpleName(), bean1.ping1());
+
+        // also assert invoking the method from the interface bean doesn't implement directly
+        Assert.assertEquals(NotImplementedButDeclaredInterface.class.getSimpleName(), bean2.ping3());
+
+        // The assertion is based solely on inspecting the proxy format - expected package and first mentioned class
+        // We cannot rely on verifying that the class can be defined because this runs on WFLY which directly uses
+        // ClassLoader#defineClass in which case it's a non-issue. The mismatch only shows when using MethodHandles.Lookup
+        // see https://github.com/jakartaee/platform-tck/issues/1194 for more information
+        Assert.assertEquals(StatelessLocalBean.class.getPackage(), bean1.getClass().getPackage());
+        Assert.assertTrue(bean1.getClass().getName().startsWith(StatelessLocalBean.class.getName()));
+    }
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ifaces/BeanIface.java

@@ -0,0 +1,5 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces;
+
+public interface BeanIface {
+    String ping1();
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ifaces/LocalInterface1.java

@@ -0,0 +1,5 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces;
+
+public interface LocalInterface1 {
+    String ping1();
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ifaces/LocalInterface2.java

@@ -0,0 +1,5 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces;
+
+public interface LocalInterface2 {
+    String ping2();
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ifaces/NotImplementedButDeclaredInterface.java

@@ -0,0 +1,8 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces;
+
+import jakarta.ejb.Local;
+
+@Local
+public interface NotImplementedButDeclaredInterface extends LocalInterface1 {
+    String ping3();
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/ifaces/NotImplementedIface.java

@@ -0,0 +1,5 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces;
+
+public interface NotImplementedIface {
+    String ping3();
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/impl/CDIBean.java

@@ -0,0 +1,20 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.impl;
+
+import jakarta.enterprise.context.ApplicationScoped;
+
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.BeanIface;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.NotImplementedIface;
+
+// Plain CDI bean which doesn't implement one interface but has its method
+// A CDI extension attempts to add this type programatically
+@ApplicationScoped
+public class CDIBean implements BeanIface {
+    @Override
+    public String ping1() {
+        return BeanIface.class.getSimpleName();
+    }
+
+    public String ping3() {
+        return NotImplementedIface.class.getSimpleName();
+    }
+}

tests-arquillian/src/test/java/org/jboss/weld/tests/classDefining/unimplemented/interfaces/impl/StatelessLocalBean.java

@@ -0,0 +1,31 @@
+package org.jboss.weld.tests.classDefining.unimplemented.interfaces.impl;
+
+import jakarta.ejb.Local;
+import jakarta.ejb.LocalBean;
+import jakarta.ejb.Stateless;
+
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.LocalInterface1;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.LocalInterface2;
+import org.jboss.weld.tests.classDefining.unimplemented.interfaces.ifaces.NotImplementedButDeclaredInterface;
+
+// NOTE: the bean intentionally declares NotImplementedButDeclaredInterface but does *not* implement it directly
+@Stateless
+@LocalBean
+@Local({ LocalInterface1.class, LocalInterface2.class,
+        NotImplementedButDeclaredInterface.class })
+public class StatelessLocalBean implements LocalInterface1, LocalInterface2 {
+
+    @Override
+    public String ping1() {
+        return LocalInterface1.class.getSimpleName();
+    }
+
+    @Override
+    public String ping2() {
+        return LocalInterface2.class.getSimpleName();
+    }
+
+    public String ping3() {
+        return NotImplementedButDeclaredInterface.class.getSimpleName();
+    }
+}