DUBBO-627 添加单元测试，覆盖 export 时是否能把 generic 的配置发布到 registry 上

dubbo-config/dubbo-config-spring/src/test/java/com/alibaba/dubbo/config/spring/ConfigTest.java

@@ -23,6 +23,7 @@
 import static org.junit.Assert.fail;
 import static org.junit.matchers.JUnitMatchers.containsString;
 
+import java.util.Collection;
 import java.util.List;
 
 import org.junit.Test;
@@ -50,6 +51,10 @@
 import com.alibaba.dubbo.config.spring.filter.MockFilter;
 import com.alibaba.dubbo.config.spring.impl.DemoServiceImpl;
 import com.alibaba.dubbo.config.spring.impl.HelloServiceImpl;
+import com.alibaba.dubbo.config.spring.registry.MockRegistry;
+import com.alibaba.dubbo.config.spring.registry.MockRegistryFactory;
+import com.alibaba.dubbo.registry.Registry;
+import com.alibaba.dubbo.registry.RegistryFactory;
 import com.alibaba.dubbo.registry.RegistryService;
 import com.alibaba.dubbo.rpc.Exporter;
 import com.alibaba.dubbo.rpc.Filter;
@@ -943,7 +948,7 @@ public void testReferGenericExport() throws Exception {
     public void testGenericServiceConfig() throws Exception {
         ServiceConfig<GenericService> service = new ServiceConfig<GenericService>();
         service.setApplication(new ApplicationConfig("test"));
-        service.setRegistry(new RegistryConfig("N/A"));
+        service.setRegistry(new RegistryConfig("mock://localhost"));
         service.setInterface(DemoService.class.getName());
         service.setGeneric(Constants.GENERIC_SERIALIZATION_BEAN);
         service.setRef(new GenericService(){
@@ -954,9 +959,12 @@ public void testGenericServiceConfig() throws Exception {
         });
         try {
             service.export();
-            URL url = service.getExportedUrls().get(0);
+            Collection<Registry> collection = MockRegistryFactory.getCachedRegistry();
+            MockRegistry registry = (MockRegistry)collection.iterator().next();
+            URL url = registry.getRegistered().get(0);
             Assert.assertEquals(Constants.GENERIC_SERIALIZATION_BEAN, url.getParameter(Constants.GENERIC_KEY));
         } finally {
+            MockRegistryFactory.cleanCachedRegistry();
             service.unexport();
         }
     }

dubbo-config/dubbo-config-spring/src/test/java/com/alibaba/dubbo/config/spring/registry/MockRegistry.java

@@ -0,0 +1,67 @@
+package com.alibaba.dubbo.config.spring.registry;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.alibaba.dubbo.common.URL;
+import com.alibaba.dubbo.registry.NotifyListener;
+import com.alibaba.dubbo.registry.Registry;
+
+/**
+ * @author <a href="mailto:gang.lvg@taobao.com">kimi</a>
+ */
+public class MockRegistry implements Registry {
+
+    private URL url;
+
+    private List<URL> registered = new ArrayList<URL>();
+
+    private List<URL> subscribered = new ArrayList<URL>();
+
+    public List<URL> getRegistered() {
+        return registered;
+    }
+
+    public List<URL> getSubscribered() {
+        return subscribered;
+    }
+
+    public MockRegistry(URL url) {
+        if (url == null) {
+            throw new NullPointerException();
+        }
+        this.url = url;
+    }
+
+    public URL getUrl() {
+        return url;
+    }
+
+    public boolean isAvailable() {
+        return true;
+    }
+
+    public void destroy() {
+
+    }
+
+    public void register(URL url) {
+        registered.add(url);
+    }
+
+    public void unregister(URL url) {
+        registered.remove(url);
+    }
+
+    public void subscribe(URL url, NotifyListener listener) {
+        subscribered.add(url);
+    }
+
+    public void unsubscribe(URL url, NotifyListener listener) {
+        subscribered.remove(url);
+    }
+
+    public List<URL> lookup(URL url) {
+        return null;
+    }
+}

dubbo-config/dubbo-config-spring/src/test/java/com/alibaba/dubbo/config/spring/registry/MockRegistryFactory.java

@@ -0,0 +1,31 @@
+package com.alibaba.dubbo.config.spring.registry;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.alibaba.dubbo.common.URL;
+import com.alibaba.dubbo.registry.Registry;
+import com.alibaba.dubbo.registry.RegistryFactory;
+
+/**
+ * @author <a href="mailto:gang.lvg@taobao.com">kimi</a>
+ */
+public class MockRegistryFactory implements RegistryFactory {
+
+    private static final Map<URL, Registry> registries = new HashMap<URL, Registry>();
+
+    public Registry getRegistry(URL url) {
+        MockRegistry registry = new MockRegistry(url);
+        registries.put(url, registry);
+        return registry;
+    }
+
+    public static Collection<Registry> getCachedRegistry() {
+        return registries.values();
+    }
+
+    public static void cleanCachedRegistry() {
+        registries.clear();
+    }
+}

dubbo-config/dubbo-config-spring/src/test/resources/META-INF/dubbo/internal/com.alibaba.dubbo.registry.RegistryFactory

@@ -0,0 +1 @@
+mock=com.alibaba.dubbo.config.spring.registry.MockRegistryFactory