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path: root/ECOMP-PDP/src/test/java/org/openecomp/policy/pdp/test/conformance/ConformanceTestSet.java
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/*-
 * ============LICENSE_START=======================================================
 * ECOMP-PDP
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.policy.pdp.test.conformance;

import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.FileVisitor;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openecomp.policy.common.logging.flexlogger.FlexLogger; 
import org.openecomp.policy.common.logging.flexlogger.Logger; 

/**
 * ConformanceTestSet represents a collection of <code>ConformanceTest</code>s ordered by the test name.  It has methods for
 * scanning a directory to generate an ordered set.
 * 
 * @version $Revision: 1.1 $
 */
public class ConformanceTestSet {
	private static final Logger logger						= FlexLogger.getLogger(ConformanceTestSet.class);
	private List<ConformanceTest> listConformanceTests	= new ArrayList<ConformanceTest>();
	
	protected List<ConformanceTest> getListConformanceTests() {
		return this.listConformanceTests;
	}
	
	protected ConformanceTestSet() {
		
	}
	
	private static String getTestName(String fileName, int itemPos) {
		return (itemPos == 0 ? "NULL" : fileName.substring(0, itemPos));
	}
	
	private static String getTestName(File file) {
		String fileName	= file.getName();
		int itemPos		= fileName.indexOf("Policy");
		if (itemPos >= 0) {
			return getTestName(fileName, itemPos);
		} else if ((itemPos = fileName.indexOf("Request")) >= 0) {
			return getTestName(fileName, itemPos);
		} else if ((itemPos = fileName.indexOf("Response")) >= 0) {
			return getTestName(fileName, itemPos);
		} else if ((itemPos = fileName.indexOf("Repository")) >= 0) {
			return getTestName(fileName, itemPos);
		} else {
			return null;
		}
	}
	
	public static ConformanceTestSet loadDirectory(File fileDir) throws IOException {
		final Map<String,ConformanceTest> mapConformanceTests	= new HashMap<String,ConformanceTest>();
		
		Files.walkFileTree(fileDir.toPath(), new FileVisitor<Path>() {
			@Override
			public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
				logger.info("Scanning directory " + dir.getFileName());
				return FileVisitResult.CONTINUE;
			}

			@Override
			public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
				File fileVisited	= file.toFile();
				String fileName		= fileVisited.getName();
				if (fileName.endsWith(".xml") || fileName.endsWith(".properties")) {
					String testName	= getTestName(fileVisited);
					if (testName != null) {
						ConformanceTest conformanceTest	= mapConformanceTests.get(testName);
						if (conformanceTest == null) {
							logger.info("Added test " + testName);
							conformanceTest	= new ConformanceTest(testName);
							mapConformanceTests.put(testName, conformanceTest);
						}
						if (fileName.endsWith("Policy.xml")) {
							conformanceTest.getRepository().addRootPolicy(fileVisited);
						} else if (fileName.endsWith("Repository.properties")) {
							conformanceTest.getRepository().load(fileVisited);
						} else if (fileName.endsWith("Request.xml")) {
							conformanceTest.setRequest(fileVisited);
						} else if (fileName.endsWith("Response.xml")) {
							conformanceTest.setResponse(fileVisited);
						}
					}
				}
				return FileVisitResult.CONTINUE;
			}

			@Override
			public FileVisitResult visitFileFailed(Path file, IOException exc) 	throws IOException {
				logger.warn("Skipped " + file.getFileName());
				return FileVisitResult.CONTINUE;
			}

			@Override
			public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
				return FileVisitResult.CONTINUE;
			}
		});
		
		/*
		 * Sort the keyset and pull out the tests that have the required components
		 */
		List<String> listTestNames	= new ArrayList<String>();
		listTestNames.addAll(mapConformanceTests.keySet());
		Collections.sort(listTestNames);
		
		ConformanceTestSet conformanceTestSet	= new ConformanceTestSet();
		Iterator<String> iterTestNames	= listTestNames.iterator();
		while (iterTestNames.hasNext()) {
			ConformanceTest	conformanceTest	= mapConformanceTests.get(iterTestNames.next());
			if (conformanceTest.isComplete()) {
				conformanceTestSet.addConformanceTest(conformanceTest);
				logger.debug("Added conformance test " + conformanceTest.getTestName());
			} else {
				logger.warn("Incomplete conformance test " + conformanceTest.getTestName());
			}
		}
		
		return conformanceTestSet;
		
	}

	public Iterator<ConformanceTest> getConformanceTests() {
		return this.listConformanceTests.iterator();
	}
	
	public void addConformanceTest(ConformanceTest conformanceTest) {
		this.listConformanceTests.add(conformanceTest);
	}
	
	public void addConformanceTestSet(ConformanceTestSet conformanceTestSet) {
		this.listConformanceTests.addAll(conformanceTestSet.getListConformanceTests());
	}
	
	public static void main(String[] args) {
		for (String dir : args) {
			try {
				ConformanceTestSet conformanceTestSet			= ConformanceTestSet.loadDirectory(new File(dir));
				Iterator<ConformanceTest> iterConformanceTests	= conformanceTestSet.getConformanceTests();
				if (iterConformanceTests == null) {
					System.out.println("No tests found in " + dir);
				} else {
					System.out.println("Tests found in " + dir);
					while (iterConformanceTests.hasNext()) {
						System.out.println(iterConformanceTests.next().toString());
					}
				}
			} catch (Exception ex) {
				ex.printStackTrace(System.err);
			}
		}
	}
}