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Viewing changes to src/test/java/org/apache/james/mime4j/message/SingleBodyCopyTest.java

  • Committer: Bazaar Package Importer
  • Author(s): David Paleino
  • Date: 2010-07-13 09:28:28 UTC
  • Revision ID: james.westby@ubuntu.com-20100713092828-g6wafdtidgmtx7su
Tags: upstream-0.6
Import upstream version 0.6

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src/test/java/org/apache/james/mime4j/message/SingleBodyCopyTest.java
 
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/****************************************************************
 
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 * Licensed to the Apache Software Foundation (ASF) under one   *
 
3
 * or more contributor license agreements.  See the NOTICE file *
 
4
 * distributed with this work for additional information        *
 
5
 * regarding copyright ownership.  The ASF licenses this file   *
 
6
 * to you under the Apache License, Version 2.0 (the            *
 
7
 * "License"); you may not use this file except in compliance   *
 
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 * with the License.  You may obtain a copy of the License at   *
 
9
 *                                                              *
 
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 *   http://www.apache.org/licenses/LICENSE-2.0                 *
 
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 *                                                              *
 
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 * Unless required by applicable law or agreed to in writing,   *
 
13
 * software distributed under the License is distributed on an  *
 
14
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
 
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 * KIND, either express or implied.  See the License for the    *
 
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 * specific language governing permissions and limitations      *
 
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 * under the License.                                           *
 
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 ****************************************************************/
 
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package org.apache.james.mime4j.message;
 
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import java.io.ByteArrayInputStream;
 
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import java.io.ByteArrayOutputStream;
 
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import junit.framework.TestCase;
 
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import org.apache.james.mime4j.storage.MemoryStorageProvider;
 
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import org.apache.james.mime4j.storage.MultiReferenceStorage;
 
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import org.apache.james.mime4j.storage.Storage;
 
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import org.apache.james.mime4j.util.CharsetUtil;
 
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public class SingleBodyCopyTest extends TestCase {
 
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    public void testCopyStorageBinaryBody() throws Exception {
 
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        Storage storage = new MemoryStorageProvider()
 
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                .store(new ByteArrayInputStream("test".getBytes()));
 
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        MultiReferenceStorage multiReferenceStorage = new MultiReferenceStorage(
 
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                storage);
 
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        SingleBody body = new StorageBinaryBody(multiReferenceStorage);
 
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        copyTest(body);
 
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    }
 
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    public void testCopyStorageTextBody() throws Exception {
 
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        Storage storage = new MemoryStorageProvider()
 
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                .store(new ByteArrayInputStream("test".getBytes()));
 
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        MultiReferenceStorage multiReferenceStorage = new MultiReferenceStorage(
 
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                storage);
 
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        SingleBody body = new StorageTextBody(multiReferenceStorage,
 
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                CharsetUtil.US_ASCII);
 
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        copyTest(body);
 
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    }
 
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    public void testCopyStringTextBody() throws Exception {
 
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        SingleBody body = new StringTextBody("test", CharsetUtil.US_ASCII);
 
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        copyTest(body);
 
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    }
 
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    public void testDisposeStorageBinaryBody() throws Exception {
 
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        Storage storage = new MemoryStorageProvider()
 
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                .store(new ByteArrayInputStream("test".getBytes()));
 
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        MultiReferenceStorage multiReferenceStorage = new MultiReferenceStorage(
 
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                storage);
 
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        SingleBody body = new StorageBinaryBody(multiReferenceStorage);
 
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        disposeTest(body, storage);
 
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    }
 
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    public void testDisposeStorageTextBody() throws Exception {
 
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        Storage storage = new MemoryStorageProvider()
 
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                .store(new ByteArrayInputStream("test".getBytes()));
 
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        MultiReferenceStorage multiReferenceStorage = new MultiReferenceStorage(
 
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                storage);
 
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        SingleBody body = new StorageTextBody(multiReferenceStorage,
 
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                CharsetUtil.US_ASCII);
 
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        disposeTest(body, storage);
 
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    }
 
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    private void copyTest(SingleBody body) throws Exception {
 
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        Message parent = new Message();
 
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        parent.setBody(body);
 
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        SingleBody copy = body.copy();
 
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        assertNotNull(copy);
 
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        assertNotSame(body, copy);
 
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        assertSame(parent, body.getParent());
 
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        assertNull(copy.getParent());
 
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        sameContentTest(body, copy);
 
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    }
 
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    private void sameContentTest(SingleBody expectedBody, SingleBody actualBody)
 
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            throws Exception {
 
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        ByteArrayOutputStream expBaos = new ByteArrayOutputStream();
 
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        expectedBody.writeTo(expBaos);
 
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        byte[] expected = expBaos.toByteArray();
 
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        ByteArrayOutputStream actBaos = new ByteArrayOutputStream();
 
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        actualBody.writeTo(actBaos);
 
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        byte[] actual = actBaos.toByteArray();
 
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        assertEquals(expected.length, actual.length);
 
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        for (int i = 0; i < expected.length; i++) {
 
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            assertEquals(expected[i], actual[i]);
 
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        }
 
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    }
 
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    private void disposeTest(SingleBody body, Storage storage) throws Exception {
 
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        assertTrue(storageIsReadable(storage));
 
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        SingleBody copy = body.copy();
 
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        assertTrue(storageIsReadable(storage));
 
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        body.dispose();
 
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        assertTrue(storageIsReadable(storage));
 
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        copy.dispose();
 
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        assertFalse(storageIsReadable(storage));
 
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    }
 
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    private boolean storageIsReadable(Storage storage) throws Exception {
 
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        try {
 
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            storage.getInputStream().close();
 
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            return true;
 
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        } catch (IllegalStateException e) {
 
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            return false;
 
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        }
 
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    }
 
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}