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111 lines
4.5 KiB
C#
111 lines
4.5 KiB
C#
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/* Copyright (c) Citrix Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using NUnit.Framework;
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using XenAdmin;
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using XenCenterLib.Compression;
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namespace XenAdminTests.CompressionTests
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{
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[TestFixture, Category(TestCategories.UICategoryA)]
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class CompressionFactoryTests
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{
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[Test]
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public void TestWriterGeneration()
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{
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Dictionary<CompressionFactory.Type, Type> validWriters = new Dictionary<CompressionFactory.Type, Type>()
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{
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{ CompressionFactory.Type.Gz, typeof( DotNetZipGZipOutputStream )},
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{ CompressionFactory.Type.Bz2, typeof( DotNetZipBZip2OutputStream )}
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};
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foreach (KeyValuePair<CompressionFactory.Type, Type> pair in validWriters)
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{
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using (MemoryStream ms = new MemoryStream())
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{
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using( CompressionStream providedStream = CompressionFactory.Writer(pair.Key, ms))
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{
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Assert.AreEqual(providedStream.GetType(), pair.Value);
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}
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}
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}
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}
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[Test]
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public void TestReaderGeneration()
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{
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Dictionary<CompressionFactory.Type, Type> validReaders = new Dictionary<CompressionFactory.Type, Type>()
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{
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{ CompressionFactory.Type.Gz, typeof( DotNetZipGZipInputStream )},
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{ CompressionFactory.Type.Bz2, typeof( DotNetZipBZip2InputStream )}
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};
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foreach (KeyValuePair<CompressionFactory.Type, Type> pair in validReaders)
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{
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string target = Path.Combine(Program.AssemblyDir, @"TestResources\emptyfile.bz2");
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/*
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* Note: Reading a bzip2 file in as a byte[] works for gzip as well as bzip2 stream
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* as the implementation of bzip2 must be initialised with a string containing a
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* header, EOF etc.. whereas gzip doesn't mind so the following will work despite
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* opening a gzip compression stream with a bzip2 data
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*/
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using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(target)))
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{
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using( CompressionStream providedStream = CompressionFactory.Reader(pair.Key, ms))
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{
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Assert.AreEqual(providedStream.GetType(), pair.Value);
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}
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}
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}
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}
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/*
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* The BZip2 stream provided must contain actual BZip2 data, header, data etc..
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* As this is not the case then this null construction will throw an exception
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*/
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[Test]
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[ExpectedException(typeof(IOException))]
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public void TestFailingReaderGeneration()
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{
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using (MemoryStream ms = new MemoryStream())
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{
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using( CompressionFactory.Reader(CompressionFactory.Type.Bz2, ms))
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{}
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}
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}
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}
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}
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