/*
 * 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.interceptor;

import com.opensymphony.xwork2.*;
import com.opensymphony.xwork2.config.entities.ActionConfig;
import com.opensymphony.xwork2.config.entities.InterceptorConfig;
import com.opensymphony.xwork2.validator.ValidationInterceptor;
import org.easymock.EasyMock;
import org.easymock.IAnswer;

import java.util.HashMap;


/**
 * Unit test for {@link DefaultWorkflowInterceptor}.
 *
 * @author Jason Carreira
 */
public class DefaultWorkflowInterceptorTest extends XWorkTestCase {

    DefaultWorkflowInterceptor interceptor;
    private ActionInvocation invocation;
    private Action action;
    private ActionProxy proxy;
    private ActionConfig config;
    private String result = "testing123";


    public void testInvokesActionInvocationIfNoErrors() throws Exception {
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.intercept(invocation);
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testReturnsInputWithoutExecutingIfHasErrors() throws Exception {
        result = Action.INPUT;

        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.intercept(invocation);
        assertEquals(Action.INPUT, interceptor.intercept(invocation));
    }

    public void testExcludesMethod() throws Exception {
        interceptor.setExcludeMethods("execute");

        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("execute");
        interceptor.setExcludeMethods("execute");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testExcludesMethodWithWildCard() throws Exception {
        interceptor.setExcludeMethods("*");

        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.intercept(invocation);
        validationInterceptor.setExcludeMethods("*");
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testIncludesMethodWithWildcard() throws Exception {
        interceptor.setIncludeMethods("*");

        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setIncludeMethods("*");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }


    public void testIncludesMethod() throws Exception {
        interceptor.setIncludeMethods("execute");

        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setIncludeMethods("execute");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testIncludesAndExcludesMethod() throws Exception {
        interceptor.setExcludeMethods("execute,input,validate");
        interceptor.setIncludeMethods("execute");
        
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("execute,input,validate");
        validationInterceptor.setIncludeMethods("execute");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testIncludesAndExcludesMethodAllWildCarded() throws Exception {
        interceptor.setExcludeMethods("*");
        interceptor.setIncludeMethods("*");
        
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("*");
        validationInterceptor.setIncludeMethods("*");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testIncludesAndExcludesMethodWithExcludeWildcard() throws Exception {
        interceptor.setExcludeMethods("*");
        interceptor.setIncludeMethods("execute");
        
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("*");
        validationInterceptor.setIncludeMethods("execute");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testIncludesAndExcludesMethodWithIncludeWildcardAndNoMatches() throws Exception {
        interceptor.setExcludeMethods("execute,input,validate");
        interceptor.setIncludeMethods("*");
        
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("execute,input,validate");
        validationInterceptor.setIncludeMethods("*");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testIncludesAndExcludesMethodWithIncludeWildcard() throws Exception {
        interceptor.setExcludeMethods("input,validate");
        interceptor.setIncludeMethods("*");
        
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("input,validate");
        validationInterceptor.setIncludeMethods("*");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }

    public void testNoValidateAction() throws Exception {
        ValidationInterceptor validationInterceptor = create();
        validationInterceptor.setExcludeMethods("execute,input,validate");
        validationInterceptor.setIncludeMethods("execute");
        validationInterceptor.intercept(invocation);
        
        assertEquals(result, interceptor.intercept(invocation));
    }
    
    
    @Override
    protected void setUp() throws Exception {
        super.setUp();
        config = new ActionConfig.Builder("", "name", "").build();
        action = EasyMock.createNiceMock(ValidateAction.class);
        invocation = EasyMock.createNiceMock(ActionInvocation.class);
        interceptor = new DefaultWorkflowInterceptor();
        proxy = EasyMock.createNiceMock(ActionProxy.class);

        EasyMock.expect(invocation.getProxy()).andReturn(proxy).anyTimes();
        EasyMock.expect(invocation.getAction()).andReturn(action).anyTimes();
        EasyMock.expect(invocation.invoke()).andAnswer(new IAnswer<String>() {
            public String answer() throws Throwable {
                return result;
            }
        }).anyTimes();

        EasyMock.expect(proxy.getConfig()).andReturn(config).anyTimes();
        EasyMock.expect(proxy.getMethod()).andReturn("execute").anyTimes();


        EasyMock.replay(invocation);
        EasyMock.replay(action);
        EasyMock.replay(proxy);

        ActionContext actionContext = new ActionContext(new HashMap<String, Object>());
        ActionContext.setContext(actionContext);
        actionContext.setActionInvocation(invocation);
    }

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();
    }
    
    protected ValidationInterceptor create() {
        ObjectFactory objectFactory = container.getInstance(ObjectFactory.class);
        return (ValidationInterceptor) objectFactory.buildInterceptor(
                new InterceptorConfig.Builder("model", ValidationInterceptor.class.getName()).build(), new HashMap<String, String>());
    }

    
    

    private interface ValidateAction extends Action, Validateable, ValidationAware {
    }
}
