services/provisioning-service/src/test/java/com/epam/dlab/backendapi/core/response/folderlistener/WatchItemListTest.java

/*
 * 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 com.epam.dlab.backendapi.core.response.folderlistener;

import com.epam.dlab.backendapi.core.FileHandlerCallback;
import com.epam.dlab.backendapi.core.response.folderlistener.WatchItem.ItemStatus;
import org.junit.Test;

import java.util.concurrent.ExecutionException;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

public class WatchItemListTest {

	private static final String UUID = "123";

	private final FileHandlerCallback fHandler = new FileHandler(UUID);

	private final long timeoutMillis = 1000;

	private final long fileLengthCheckDelay = 10000;

	public class FileHandler implements FileHandlerCallback {
		private final String uuid;

		public FileHandler(String uuid) {
			this.uuid = uuid;
		}

		@Override
		public String getUUID() {
			return uuid;
		}

		@Override
		public boolean checkUUID(String uuid) {
			return this.uuid.equals(uuid);
		}

		@Override
		public boolean handle(String fileName, byte[] content) throws Exception {
			return true;
		}

		@Override
		public void handleError(String errorMessage) {
			System.out.println("handleError called for UUID " + getUUID());
		}

		@Override
		public String getUser() {
			return null;
		}
	}


	private String getDirectory() {
		return "./";
	}

	private String getFileName() {
		return UUID + ".json";
	}

	@Test
	public void checkGetters() {
		WatchItemList items = new WatchItemList(getDirectory(), null);

		assertEquals(0, items.size());

		items.append(fHandler, timeoutMillis, fileLengthCheckDelay);
		assertEquals(1, items.size());

		WatchItem item = items.get(0);
		assertNotNull(item);
		assertEquals(0, items.getIndex(UUID));
		assertEquals(item, items.getItem(getFileName()));
		items.remove(0);
		assertEquals(0, items.size());
	}


	@Test
	public void processItem() throws InterruptedException, ExecutionException {
		WatchItemList items = new WatchItemList(getDirectory(), null);
		items.append(fHandler, timeoutMillis, fileLengthCheckDelay);

		WatchItem item = items.get(0);

		assertEquals(false, items.processItem(item));

		item.setFileName(getFileName());
		assertEquals(true, items.processItem(item));

		assertEquals(ItemStatus.INPROGRESS, item.getStatus());
		item.getFutureResultSync();
	}

	@Test
	public void processItemAll() throws InterruptedException, ExecutionException {
		WatchItemList items = new WatchItemList(getDirectory(), null);
		items.append(fHandler, timeoutMillis, fileLengthCheckDelay);

		WatchItem item = items.get(0);

		assertEquals(0, items.processItemAll());

		item.setFileName(getFileName());
		assertEquals(1, items.processItemAll());

		assertEquals(ItemStatus.INPROGRESS, item.getStatus());
		item.getFutureResultSync();
	}

}