69 lines
2.6 KiB
C#
69 lines
2.6 KiB
C#
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// Copyright (C) 2017, The Duplicati Team
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// http://www.duplicati.com, info@duplicati.com
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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namespace Duplicati.UnitTest
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{
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[TestFixture]
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[Category("Compression")]
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public class CompressionTests
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{
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[Test]
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public void TestZipCompressionHints()
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{
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TestCompressionHints("zip");
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}
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[Test]
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public void Test7zCompressionHints()
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{
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TestCompressionHints("7z");
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}
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public void TestCompressionHints(string module)
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{
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const int TESTSIZE = 1024 * 1024;
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using (var tf0 = new Library.Utility.TempFile())
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using (var tf1 = new Library.Utility.TempFile())
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{
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var opts = new Dictionary<string, string>();
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opts["zip-compression-level"] = "9";
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using (var z0 = Library.DynamicLoader.CompressionLoader.GetModule(module, tf0, opts))
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using (var fs0 = z0.CreateFile("sample", Library.Interface.CompressionHint.Noncompressible, DateTime.Now))
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fs0.Write(new byte[TESTSIZE], 0, TESTSIZE);
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using (var z1 = Library.DynamicLoader.CompressionLoader.GetModule(module, tf1, opts))
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using (var fs1 = z1.CreateFile("sample", Library.Interface.CompressionHint.Compressible, DateTime.Now))
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fs1.Write(new byte[TESTSIZE], 0, TESTSIZE);
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if (new FileInfo(tf0).Length < TESTSIZE)
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throw new Exception("Compression hint non-compressible is not honored");
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if (new FileInfo(tf1).Length > new FileInfo(tf0).Length * 0.25)
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throw new Exception("Compression is not applied");
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}
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}
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}
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}
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