Struts example source code file (Struts1FactoryTest.java)

This example Struts source code file (Struts1FactoryTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Struts tags/keywords

actionmessage, actionmessage, actionsupport, class, exception, exceptionconfig, exceptionconfig, exceptionmappingconfig, object, object, packageconfig, reflection, string, string, struts1factory

The Struts Struts1FactoryTest.java source code

/*
 * $Id: Struts1FactoryTest.java 651946 2008-04-27 13:41:38Z apetrelli $
 *
 * 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 org.apache.struts2.s1;

import java.lang.reflect.InvocationTargetException;

import junit.framework.TestCase;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.config.ActionConfig;
import org.apache.struts.config.ExceptionConfig;
import org.apache.struts.config.ForwardConfig;
import org.apache.struts.config.ModuleConfig;
import org.apache.struts2.StrutsTestCase;
import org.apache.struts2.config.StrutsXmlConfigurationProvider;

import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ObjectFactory;
import com.opensymphony.xwork2.config.Configuration;
import com.opensymphony.xwork2.config.ConfigurationManager;
import com.opensymphony.xwork2.config.ConfigurationProvider;
import com.opensymphony.xwork2.config.entities.ExceptionMappingConfig;
import com.opensymphony.xwork2.config.entities.PackageConfig;
import com.opensymphony.xwork2.config.entities.ResultConfig;

/**
 * Test of Struts1Factory, which creates Struts 1.x wrappers around XWork config objects.
 */
public class Struts1FactoryTest extends StrutsTestCase {

    private static final String PACKAGE_NAME = "org/apache/struts2/s1";
    
    protected Struts1Factory factory = null;

    /**
     * Set up instance variables required by this test case.
     * @throws Exception 
     */
    public void setUp() throws Exception {
        super.setUp();
        loadConfigurationProviders(new StrutsXmlConfigurationProvider(PACKAGE_NAME + "/test-struts-factory.xml", true, null));
        factory = new Struts1Factory(configuration);
        
    }

    /**
     * Test the creation of a Struts 1.x ModuleConfig wrapper around an XWork PackageConfig.
     * The PackageConfig is loaded from test-struts-factory.xml.
     */
    public void testCreateModuleConfig() {
        ModuleConfig moduleConfig = factory.createModuleConfig(PACKAGE_NAME);
        assertNotNull(moduleConfig);
        
        assertEquals("/"+PACKAGE_NAME, moduleConfig.getPrefix());
        
        ActionConfig actionConfig = moduleConfig.findActionConfig("/action1");
        assertNotNull(actionConfig);
        assertEquals("/action1", actionConfig.getPath());
        
        ActionConfig[] actionConfigs = moduleConfig.findActionConfigs();
        assertNotNull(actionConfigs);
        assertEquals(2, actionConfigs.length);
        
        ExceptionConfig exceptionConfig = moduleConfig.findExceptionConfig(Exception.class.getName());
        assertNotNull(exceptionConfig);
        assertEquals(Exception.class.getName(), exceptionConfig.getType());
        
        ExceptionConfig[] exceptionConfigs = moduleConfig.findExceptionConfigs();
        assertNotNull(exceptionConfigs);
        assertEquals(1, exceptionConfigs.length);
        
        ForwardConfig fwdConfig = moduleConfig.findForwardConfig("globalResult");
        assertNotNull(fwdConfig);
        assertEquals("globalResult", fwdConfig.getName());
        
        // These methods are currently not implemented -- replace as functionality is added.
        assertNYI(moduleConfig, "getControllerConfig", null);
        assertNYI(moduleConfig, "getActionFormBeanClass", null);
        assertNYI(moduleConfig, "getActionMappingClass", null);
        assertNYI(moduleConfig, "getActionForwardClass", null);
        assertNYI(moduleConfig, "findException", Class.class);
        assertNYI(moduleConfig, "findFormBeanConfig", String.class);
        assertNYI(moduleConfig, "findFormBeanConfigs", null);
        assertNYI(moduleConfig, "findMessageResourcesConfig", String.class);
        assertNYI(moduleConfig, "findMessageResourcesConfigs", null);
        assertNYI(moduleConfig, "findPlugInConfigs", null);
    }
    
    /**
     * Test the creation of a Struts 1.x ActionMapping wrapper around an XWork ActionConfig.
     * The ActionConfig is loaded from test-struts-factory.xml.
     */
    public void testCreateActionMapping() {
        PackageConfig packageConfig = configuration.getPackageConfig(PACKAGE_NAME);
        com.opensymphony.xwork2.config.entities.ActionConfig actionConfig =
                (com.opensymphony.xwork2.config.entities.ActionConfig) packageConfig.getActionConfigs().get("action1");
        ActionMapping mapping = factory.createActionMapping(actionConfig);
        assertNotNull(mapping);

        assertNotNull(mapping.findForward("result1"));
        assertNotNull(mapping.findForwardConfig("result2"));

        ForwardConfig[] configs = mapping.findForwardConfigs();
        assertNotNull(configs);
        assertEquals(2, configs.length);

        String[] forwards = mapping.findForwards();
        assertNotNull(forwards);
        assertEquals(2, forwards.length);
        
        ActionForward fwd = mapping.findForward("result1");
        assertNotNull(fwd);
        assertEquals("result1", fwd.getName());

        assertNotNull(mapping.findException(NullPointerException.class));
        assertNotNull(mapping.findExceptionConfig("java.lang.IllegalStateException"));

        ExceptionConfig[] exceptionConfigs = mapping.findExceptionConfigs();
        assertNotNull(exceptionConfigs);
        assertEquals(2, exceptionConfigs.length);
        
        ModuleConfig moduleConfig = mapping.getModuleConfig();
        assertNotNull(moduleConfig);
        
        // For now, the path will be null if the ActionMapping was created on its own (as opposed to from a
        // WrapperModuleConfig, which knows the path).
        assertNull(mapping.getPath());
        
        // These methods are currently not implemented -- replace as functionality is added.
        assertNYI(mapping, "getInputForward", null);
        assertNYI(mapping, "getForward", null);
        assertNYI(mapping, "getInclude", null);
        assertNYI(mapping, "getInput", null);
        assertNYI(mapping, "getMultipartClass", null);
        assertNYI(mapping, "getName", null);
        assertNYI(mapping, "getParameter", null);
        assertNYI(mapping, "getPrefix", null);
        assertNYI(mapping, "getRoles", null);
        assertNYI(mapping, "getRoleNames", null);
        assertNYI(mapping, "getScope", null);
        assertNYI(mapping, "getSuffix", null);
        assertNYI(mapping, "getType", null);
        assertNYI(mapping, "getUnknown", null);
        assertNYI(mapping, "getValidate", null);
    }

    /**
     * Test the creation of a Struts 1.x ActionForward wrapper around an XWork ResultConfig.
     * The ResultConfig is loaded from test-struts-factory.xml.
     */
    public void testCreateActionForward() {
        PackageConfig packageConfig = configuration.getPackageConfig(PACKAGE_NAME);
        ResultConfig resultConfig = (ResultConfig) packageConfig.getGlobalResultConfigs().get("globalResult");
        ActionForward fwd = factory.createActionForward(resultConfig);
        assertNotNull(fwd);
        assertEquals("globalResult", fwd.getName());
        
        // These methods are currently not implemented -- replace as functionality is added.
        assertNYI(fwd, "getPath", null);
        assertNYI(fwd, "getModule", null);
        assertNYI(fwd, "getRedirect", null);
    }

    /**
     * Test the creation of a Struts 1.x ExceptionConfig wrapper around an XWork ExceptionHandlerConfig.
     * The ExceptionConfig is loaded from test-struts-factory.xml.
     */
    public void testCreateExceptionConfig() {
        PackageConfig packageConfig = configuration.getPackageConfig(PACKAGE_NAME);
        ExceptionMappingConfig cfg = (ExceptionMappingConfig) packageConfig.getGlobalExceptionMappingConfigs().get(0);
        ExceptionConfig exceptionConfig = factory.createExceptionConfig(cfg);
        assertNotNull(exceptionConfig);
        assertEquals(Exception.class.getName(), exceptionConfig.getType());

        assertNYI(exceptionConfig, "getBundle", null);
        assertNYI(exceptionConfig, "getHandler", null);
        assertNYI(exceptionConfig, "getKey", null);
        assertNYI(exceptionConfig, "getPath", null);
        assertNYI(exceptionConfig, "getScope", null);
    }

    public void testConvertErrors() throws Exception {

        ActionMessage err1 = new ActionMessage("error1");
        ActionMessage err2 = new ActionMessage("error2", new Integer(1));
        ActionErrors errors = new ActionErrors();
        errors.add(errors.GLOBAL_MESSAGE, err1);
        errors.add("foo", err2);

        ActionSupport action = new ActionSupport();
        factory.convertErrors(errors, action);

        assertTrue(1 == action.getActionErrors().size());
        assertTrue(1 == action.getFieldErrors().size());
    }

    /**
     * Assert that the given method throws UnsupportedOperationException.
     */
    private void assertNYI(Object o, String methodName, Class argType) {
        try {
            Class[] argTypes = argType != null ? new Class[]{argType} : null;
            
            Object[] args = null;
            if (argType != null) {
                if (Class.class == argType) {
                    args = new Object[]{argType};
                } else {
                    args = new Object[]{argType.newInstance()};
                }
            }
            o.getClass().getMethod(methodName, argTypes).invoke(o, args);
        } catch (InvocationTargetException e) {
            Throwable cause = e.getCause();
            assertEquals(cause.getMessage(), UnsupportedOperationException.class, cause.getClass());
            
            // OK -- it's what we expected
            return;
        } catch (Exception e) {
            fail(e.getClass().getName() + ": " + e.getMessage());
        }

        fail("Expected UnsupportedOperationException for " + methodName + "() on " + o.getClass().getName());
    }
}