Java tutorial
/* * Copyright 2010 Talis Information Ltd * * 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 com.talis.storage.s3; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.io.ByteArrayOutputStream; import java.nio.ByteBuffer; import java.util.Arrays; import java.util.UUID; import javax.ws.rs.core.MediaType; import org.apache.commons.io.IOUtils; import org.jets3t.service.model.S3Object; import org.junit.Before; import org.junit.Test; public class S3ObjectFactoryTest { private S3ObjectFactory factory; private String bucketname; private byte[] entity = new String( "Then I'm laying out my winter clothes and " + "wishing I was gone, Going home").getBytes(); private ByteBuffer buffer; @Before public void setup() { bucketname = UUID.randomUUID().toString(); factory = new S3ObjectFactory(bucketname); buffer = ByteBuffer.allocate(1024); buffer.put(entity); } @Test public void returnedObjectIsAnExternalizableS3Object() throws Exception { S3Object obj = factory.newObject("first", 8, MediaType.TEXT_PLAIN_TYPE, buffer); assertTrue(obj instanceof ExternalizableS3Object); } @Test public void createdObjectKeyDerivedFromKeyAndIndex() throws Exception { S3Object obj = factory.newObject("first", 8, MediaType.TEXT_PLAIN_TYPE, buffer); assertEquals("first/8", obj.getKey()); } @Test public void createdObjectDataContainsBytesFromBuffer() throws Exception { S3Object obj = factory.newObject("second", 8, MediaType.TEXT_PLAIN_TYPE, buffer); ByteArrayOutputStream out = new ByteArrayOutputStream(); IOUtils.copy(obj.getDataInputStream(), out); assertTrue(Arrays.equals(entity, out.toByteArray())); } @Test public void createdObjectHasCorrectContentLengthSet() throws Exception { S3Object obj = factory.newObject("third", 8, MediaType.TEXT_PLAIN_TYPE, buffer); assertEquals(entity.length, obj.getContentLength()); } @Test public void createdObjectHasChunkMediaType() throws Exception { S3Object obj = factory.newObject("third", 8, MediaType.TEXT_PLAIN_TYPE, buffer); assertEquals(S3Store.TMB_CHUNK_TYPE, MediaType.valueOf(obj.getContentType())); } @Test public void createObjectMetadataContainsOriginalMediaType() throws Exception { S3Object obj = factory.newObject("fourth", 8, MediaType.TEXT_PLAIN_TYPE, buffer); assertEquals(MediaType.TEXT_PLAIN, obj.getMetadata(S3Store.ACTUAL_CONTENT_TYPE_HEADER)); obj = factory.newObject("fifth", 8, MediaType.APPLICATION_OCTET_STREAM_TYPE, buffer); assertEquals(MediaType.APPLICATION_OCTET_STREAM, obj.getMetadata(S3Store.ACTUAL_CONTENT_TYPE_HEADER)); } }