DataCachingTest04.java

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package apitesting.datahelper;

import java.io.InputStream;

import CustomClassloaders.DataCachingClassLoader;

/**
 * Stale marking - load a resource and check its cached. Then store null against the same key which will mark it stale
 * then finally take another look in the cache for it - shouldn't be found.
 */
public class DataCachingTest04 extends DataCachingTestbase {

	public static void main(String[] args) {
		new DataCachingTest04().run();
	}

	public void run() {
		log("simple data caching test");
		DataCachingClassLoader classLoader = getDataCachingLoader(CLASSPATH_JARONE);
		InputStream dataStream = null;
		
		log("make sure the resource we are testing is not in the cache already");
		dataStream = classLoader.findInCache(FILEONE);
		if (dataStream!=null) fail("'"+FILEONE+"' should not already be in the cache");

		log("load the resource, it should get cached");
		classLoader.storeInCache = true;
		dataStream = classLoader.getResourceAsStream(FILEONE);
		readAndCheck(dataStream,CONTENTS_JARONE_FILEONE);

		log("look in the cache for it");
		dataStream = classLoader.findInCache(FILEONE);
		readAndCheck(dataStream,CONTENTS_JARONE_FILEONE);	
		
		log("storing null against that token...");
		classLoader.storeNull(FILEONE);
		
		log("look in the cache for it - shouldn't be found this time");
		dataStream = classLoader.findInCache(FILEONE);
		if (dataStream!=null) { 
			fail("should not have been found in the cache, should have been marked stale");
		}

		log("test successful");
	}
}