/*
 * Copyright 2004-2005 the original author or authors.
 * 
 * Licensed 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.codehaus.groovy.grails.commons.test;

import groovy.lang.ExpandoMetaClass;
import groovy.lang.GroovyClassLoader;
import groovy.util.GroovyTestCase;
import org.codehaus.groovy.grails.commons.DefaultGrailsApplication;
import org.codehaus.groovy.grails.commons.GrailsApplication;
import org.codehaus.groovy.grails.commons.spring.GrailsRuntimeConfigurator;
import org.codehaus.groovy.grails.support.MockApplicationContext;
import org.springframework.context.MessageSource;
import org.springframework.context.support.StaticMessageSource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.mock.web.MockServletContext;

import java.io.IOException;

/**
 * Abstract simple test harness for testing Grails Applications that just loads
 * the parsed classes into the GrailsApplication instance
 *
 * @author Graeme Rocher
 *
 */
public abstract class AbstractGrailsMockTests extends GroovyTestCase {
    /**
     * A GroovyClassLoader instance
     */
    public GroovyClassLoader gcl = new GroovyClassLoader();
    /**
     * The GrailsApplication instance created during setup
     */
    public DefaultGrailsApplication ga;
    public MockApplicationContext ctx;

    protected final void setUp() throws Exception {
        ExpandoMetaClass.enableGlobally();
        super.setUp();

        System.out.println("Setting up test");
        ctx = new MockApplicationContext();
        ctx.registerMockBean(GrailsRuntimeConfigurator.CLASS_LOADER_BEAN, gcl);
        onSetUp();
        ga = new DefaultGrailsApplication(gcl.getLoadedClasses(),gcl);
        
        ga.setApplicationContext(ctx);
        ga.initialise();
        ctx.registerMockBean(GrailsApplication.APPLICATION_ID, ga);
    }
    
    protected final void tearDown() throws Exception {
        onTearDown();

        ga = null;
        ctx = null;
        gcl = null;

        ExpandoMetaClass.disableGlobally();
        super.tearDown();
    }


    protected void onSetUp() {
	}

    protected void onTearDown() {
        
    }

	protected MockServletContext createMockServletContext() {
		return new MockServletContext();
	}
	
	protected MockApplicationContext createMockApplicationContext() {
		return new MockApplicationContext();
	}
	
	protected Resource[] getResources(String pattern) throws IOException {
		return new PathMatchingResourcePatternResolver().getResources(pattern);		
	}

    protected MessageSource createMessageSource() {
        return new StaticMessageSource();        
    }
}
