Initial test dedicated for the DefaultUnknownHandlerManager (#205)

* Initial test dedicated for the DefaultUnknownHandlerManager

* fixed the licensing and authore comments issues that causes build to fail

* follow good practice when initializing objects

* use TestCase to enhance performance

core/src/test/java/com/opensymphony/xwork2/DefaultUnknownHandlerManagerTest.java

@@ -0,0 +1,83 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package com.opensymphony.xwork2;
+
+import com.opensymphony.xwork2.config.entities.ActionConfig;
+import com.opensymphony.xwork2.config.providers.SomeUnknownHandler;
+
+import junit.framework.TestCase;
+
+import java.util.ArrayList;
+
+/**
+ * Partial test to the DefaultUnknownHandlerManager to understand the relationship between Manager and Handlers.
+ *
+ */
+public class DefaultUnknownHandlerManagerTest extends TestCase {
+
+    ActionConfig actionConfig;
+    SomeUnknownHandler someUnknownHandler;
+
+    /**
+     * Relationshsip when UnknownAction method is called.
+     *
+     */
+    public void testHandleUnknownAction() {
+
+        DefaultUnknownHandlerManager defaultUnknownHandlerManager = new DefaultUnknownHandlerManager();
+        defaultUnknownHandlerManager.unknownHandlers = new ArrayList<>();
+        defaultUnknownHandlerManager.unknownHandlers.add(someUnknownHandler);
+
+        ActionConfig newActionConfig = defaultUnknownHandlerManager.handleUnknownAction("arbitraryNameSpace", "arbitraryActionName");
+
+        assertEquals(newActionConfig, actionConfig);
+    }
+
+    /**
+     * Relationship when UnknownActionMethod method called.
+     *
+     */
+    public void testHandelUnknownActionMethod() throws Exception {
+        DefaultUnknownHandlerManager defaultUnknownHandlerManager = new DefaultUnknownHandlerManager();
+        defaultUnknownHandlerManager.unknownHandlers = new ArrayList<>();
+        defaultUnknownHandlerManager.unknownHandlers.add(someUnknownHandler);
+
+        String result = null;
+
+        for (int i = 0; i < 10 ; i++) {
+            result = (String) defaultUnknownHandlerManager.handleUnknownMethod(this, "someMethodName");
+            assertEquals(result, "specialActionMethod");
+        }
+
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+
+        // Make sure we are using the actionConfig we initialized.
+        ActionConfig.Builder actionConfigBuilder = new ActionConfig.Builder( "com", "someAction", "someClass");
+        actionConfig = actionConfigBuilder.build();
+        someUnknownHandler = new SomeUnknownHandler();
+
+        someUnknownHandler.setActionConfig(actionConfig);
+        someUnknownHandler.setActionMethodResult("specialActionMethod");
+    }
+
+}