/*
 * 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.jmeter.gui.action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FilenameFilter;
import java.util.HashSet;
import java.util.Set;

import junit.framework.TestSuite;

import org.apache.jmeter.junit.JMeterTestCase;
import org.apache.jmeter.save.SaveService;
import org.apache.jorphan.collections.HashTree;

/**
 * 
 * Test JMX files to check that they can be loaded OK.
 */
public class TestLoad extends JMeterTestCase {

	private static final String basedir = new File(System.getProperty("user.dir")).getParent();
	private static final File testfiledir = new File(basedir,"bin/testfiles");
	private static final File demofiledir = new File(basedir,"xdocs/demos");
	
	private static final Set notTestPlan = new HashSet();// not full test plans
	
	static{
		notTestPlan.add("load_bug_list.jmx");// used by TestAnchorModifier
		notTestPlan.add("Load_JMeter_Page.jmx");// used by TestAnchorModifier
		notTestPlan.add("ProxyServerTestPlan.jmx");// used by TestSaveService
	}

	private static final FilenameFilter jmxFilter = new FilenameFilter() {
		public boolean accept(File dir, String name) {
			return name.endsWith(".jmx");
		}
	};

	private final File testFile;
	private final String parent;
	
	public TestLoad(String name) {
		super(name);
		testFile=null;
		parent=null;
	}

	public TestLoad(String name, File file, String dir) {
		super(name);
		testFile=file;
		parent=dir;
	}

	public static TestSuite suite(){
		TestSuite suite=new TestSuite("Load Test");
		//suite.addTest(new TestLoad("checkGuiPackage"));
		scanFiles(suite,testfiledir);
		scanFiles(suite,demofiledir);
		return suite;
	}

	private static void scanFiles(TestSuite suite, File parent) {
		File testFiles[]=parent.listFiles(jmxFilter);
		String dir = parent.getName();
		for (int i=0; i<testFiles.length; i++){
		    suite.addTest(new TestLoad("checkTestFile",testFiles[i],dir));
		}
	}
	
	public void checkTestFile() throws Exception{
		HashTree tree = null;
		try {
			tree =getTree(testFile);
		} catch (Exception e) {
			fail(parent+": "+ testFile.getName()+" caused "+e);
		}
		assertTree(tree);
	}
	
	private void assertTree(HashTree tree) throws Exception {
		final Object object = tree.getArray()[0];
		final String name = testFile.getName();
		
		if (! (object instanceof org.apache.jmeter.testelement.TestPlan) && !notTestPlan.contains(name)){
			fail(parent+ ": " +name+" tree should be TestPlan, but is "+object.getClass().getName());
		}
	}

	private HashTree getTree(File f) throws Exception {
		HashTree tree = SaveService.loadTree(new FileInputStream(f));
		return tree;
	}
}