LocalFileStoreTest.java

/**
 * Copyright (C) 2015 Born Informatik AG (www.born.ch)
 *
 * 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.
 */
package org.wte4j.impl.service;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

public class LocalFileStoreTest {

	private File tempDir;

	@Before
	public void createTempDir() throws IOException {
		tempDir = File.createTempFile("temp", Long.toString(System.nanoTime()));
		tempDir.delete();
		tempDir.mkdir();

	}

	@After
	public void removeTempDir() {
		for (File file : tempDir.listFiles()) {
			file.delete();
		}
		tempDir.delete();
	}

	@Test
	public void storeFile() throws IOException {
		LocalFileStore fileStore = new LocalFileStore();

		fileStore.setTemplateDirectory(tempDir);
		URL url = ClassLoader.getSystemResource("org/wte4j/impl/test.txt");
		File testFile = FileUtils.toFile(url);
		OutputStream out = null;
		InputStream in = null;
		try {
			final String fileName = "fileStoreTest.txt";
			out = fileStore.getOutStream(fileName);
			in = FileUtils.openInputStream(testFile);
			IOUtils.copy(in, out);

			File[] filesInDir = tempDir.listFiles();
			assertEquals(1, filesInDir.length);
			assertEquals(fileName, filesInDir[0].getName());
			assertTrue(FileUtils.contentEquals(testFile, filesInDir[0]));

		} finally {
			IOUtils.closeQuietly(in);
			IOUtils.closeQuietly(out);
		}
	}

	@Test
	public void deleteFile() throws IOException {
		final String fileName = "fileStoreTest.txt";
		File file = new File(tempDir, fileName);
		assertTrue(file.createNewFile());

		LocalFileStore fileStore = new LocalFileStore();
		fileStore.setTemplateDirectory(tempDir);

		fileStore.deleteFile(fileName);
		assertFalse(file.exists());
	}

	@Test(expected = IllegalArgumentException.class)
	public void deleteNoExistingFile() throws IOException {
		final String fileName = "fileStoreTest.txt";
		File file = new File(tempDir, fileName);
		assertTrue(file.createNewFile());

		LocalFileStore fileStore = new LocalFileStore();
		fileStore.setTemplateDirectory(tempDir);

		fileStore.deleteFile(fileName + "bla");
		fail("Exception Expected");
	}
}