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// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
using System.IO;
using System.Linq;
using Microsoft.TestCommon;
using Xunit;
using Assert = Microsoft.TestCommon.AssertEx;
namespace System.Net.Http
{
public class MultipartFileStreamProviderTests
{
private const int MinBufferSize = 1;
private const int DefaultBufferSize = 0x1000;
private const string ValidPath = @"c:\some\path";
[Fact]
[Trait("Description", "MultipartFileStreamProvider is public, visible type.")]
public void TypeIsCorrect()
{
Assert.Type.HasProperties(
typeof(MultipartFileStreamProvider),
TypeAssert.TypeProperties.IsPublicVisibleClass,
typeof(IMultipartStreamProvider));
}
[Fact]
[Trait("Description", "MultipartFileStreamProvider ctor with invalid root paths.")]
public void ConstructorInvalidRootPath()
{
Assert.ThrowsArgumentNull(() => { new MultipartFileStreamProvider(null); }, "rootPath");
foreach (string path in TestData.NotSupportedFilePaths)
{
Assert.Throws<NotSupportedException>(() => new MultipartFileStreamProvider(path, DefaultBufferSize));
}
foreach (string path in TestData.InvalidNonNullFilePaths)
{
// Note: Path.GetFileName doesn't set the argument name when throwing.
Assert.ThrowsArgument(() => { new MultipartFileStreamProvider(path, DefaultBufferSize); }, null, allowDerivedExceptions: true);
}
}
[Fact]
[Trait("Description", "MultipartFileStreamProvider ctor with null path.")]
public void ConstructorInvalidBufferSize()
{
Assert.ThrowsArgumentGreaterThanOrEqualTo(() => new MultipartFileStreamProvider(ValidPath, MinBufferSize - 1),
"bufferSize", MinBufferSize.ToString(), MinBufferSize - 1);
}
[Fact]
[Trait("Description", "BodyPartFileNames empty.")]
public void EmptyBodyPartFileNames()
{
MultipartFileStreamProvider instance = new MultipartFileStreamProvider(Path.GetTempPath());
Assert.NotNull(instance.BodyPartFileNames);
Assert.Equal(0, instance.BodyPartFileNames.Count);
}
[Fact]
[Trait("Description", "GetStream(HttpContentHeaders) throws on null.")]
public void GetStreamThrowsOnNull()
{
MultipartFileStreamProvider instance = new MultipartFileStreamProvider(Path.GetTempPath());
Assert.ThrowsArgumentNull(() => { instance.GetStream(null); }, "headers");
}
[Fact]
[Trait("Description", "GetStream(HttpContentHeaders) validation.")]
public void GetStreamValidation()
{
Stream stream0 = null;
Stream stream1 = null;
try
{
MultipartFormDataContent content = new MultipartFormDataContent();
content.Add(new StringContent("Not a file"), "notafile");
content.Add(new StringContent("This is a file"), "file", "filename");
MultipartFileStreamProvider instance = new MultipartFileStreamProvider(Path.GetTempPath());
stream0 = instance.GetStream(content.ElementAt(0).Headers);
Assert.IsType<FileStream>(stream0);
stream1 = instance.GetStream(content.ElementAt(1).Headers);
Assert.IsType<FileStream>(stream1);
Assert.Equal(2, instance.BodyPartFileNames.Count);
Assert.Contains("BodyPart", instance.BodyPartFileNames[0]);
Assert.Contains("BodyPart", instance.BodyPartFileNames[1]);
}
finally
{
if (stream0 != null)
{
stream0.Close();
}
if (stream1 != null)
{
stream1.Close();
}
}
}
}
}
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