resource-registry-api/src/test/java/org/gcube/informationsystem/resourceregistry/api/contexts/ContextCacheTest.java

81 lines
2.6 KiB
Java

package org.gcube.informationsystem.resourceregistry.api.contexts;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.util.List;
import java.util.UUID;
import org.gcube.informationsystem.contexts.reference.entities.Context;
import org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException;
import org.gcube.informationsystem.serialization.ElementMapper;
import org.gcube.informationsystem.tree.Node;
import org.gcube.informationsystem.tree.NodeElaborator;
import org.gcube.informationsystem.tree.Tree;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* @author Luca Frosini (ISTI - CNR)
*/
public class ContextCacheTest{
private static final Logger logger = LoggerFactory.getLogger(ContextCacheTest.class);
protected File getTypesDirectory() throws Exception {
URL logbackFileURL = ContextCacheTest.class.getClassLoader().getResource("logback-test.xml");
File logbackFile = new File(logbackFileURL.toURI());
File resourcesDirectory = logbackFile.getParentFile();
return new File(resourcesDirectory, "contexts");
}
protected String readFile(File file) throws IOException {
byte[] encoded = Files.readAllBytes(file.toPath());
return new String(encoded, Charset.defaultCharset());
}
protected List<Context> getContexts() throws Exception {
File typesDirectory = getTypesDirectory();
File file = new File(typesDirectory, "contexts.json");
String json = readFile(file);
List<Context> contexts = ElementMapper.unmarshalList(Context.class, json);
return contexts;
}
@Test
public void test() throws Exception {
List<Context> contexts = getContexts();
ContextCache contextCache = new ContextCache();
contextCache.setContexts(contexts);
contextCache.setContextCacheRenewal(new ContextCacheRenewal() {
@Override
public List<Context> renew() throws ResourceRegistryException {
try {
return getContexts();
}catch (Exception e) {
throw new ResourceRegistryException(e);
}
}
});
Tree<Context> contextTree = contextCache.getContextsTree();
contextTree.elaborate(new NodeElaborator<Context>() {
@Override
public void elaborate(Node<Context> node, int level) throws Exception {
StringBuffer stringBuffer = new StringBuffer();
for (int i = 0; i < level; ++i) {
stringBuffer.append(Node.INDENTATION);
}
Context context = node.getNodeElement();
UUID uuid = context.getID();
String fullName = contextCache.getContextFullNameByUUID(uuid);
logger.info("{}- {} (ID:{})", stringBuffer.toString(), fullName, uuid);
}
});
}
}