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feat: File and SubDirectory extensions support for IEnumerable params (#43)
* Added more overloads to SubDirectory and File extensions * Updated sdk to 7.0.400 * Update CI for SDKs to install
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‎.github/workflows/ci.yml‎

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@@ -23,9 +23,9 @@ jobs:
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uses: actions/setup-dotnet@v3
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with:
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dotnet-version: |
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3.1.x
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5.0.x
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6.0.x
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7.0.x
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- name: Run tests
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run: dotnet test --collect:"XPlat Code Coverage" --logger "GitHubActions"
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- name: Upload coverage

‎global.json‎

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@@ -1,6 +1,6 @@
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{
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"sdk": {
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"version": "7.0.304",
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"version": "7.0.400",
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"rollForward": "latestMinor"
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}
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}

‎src/System.IO.Abstractions.Extensions/IDirectoryInfoExtensions.cs‎

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@@ -1,4 +1,7 @@
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namespace System.IO.Abstractions
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using System.Collections.Generic;
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using System.Linq;
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namespace System.IO.Abstractions
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{
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public static class IDirectoryInfoExtensions
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{
@@ -13,6 +16,28 @@ public static IDirectoryInfo SubDirectory(this IDirectoryInfo info, string name)
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return info.FileSystem.DirectoryInfo.New(info.FileSystem.Path.Combine(info.FullName, name));
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}
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/// <summary>
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/// Get an <see cref="IDirectoryInfo"/> for the specified sub-directories <paramref name="names"/>
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/// </summary>
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/// <param name="info"></param>
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/// <param name="names">Sub-directory names (ex. "test", "test2"). Empty or null names are automatically removed from this list</param>
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/// <returns>An <see cref="IDirectoryInfo"/> for the specified sub-directory</returns>
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public static IDirectoryInfo SubDirectory(this IDirectoryInfo info, params string[] names)
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{
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return info.SubDirectory((IEnumerable<string>)names);
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}
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/// <summary>
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/// Get an <see cref="IDirectoryInfo"/> for the specified sub-directories <paramref name="names"/>
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/// </summary>
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/// <param name="info"></param>
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/// <param name="names">Sub-directory names (ex. "test", "test2"). Empty or null names are automatically removed from this list</param>
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/// <returns>An <see cref="IDirectoryInfo"/> for the specified sub-directory</returns>
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public static IDirectoryInfo SubDirectory(this IDirectoryInfo info, IEnumerable<string> names)
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{
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return info.FileSystem.DirectoryInfo.New(info.FileSystem.Path.Combine(GetPaths(info, names)));
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}
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/// <summary>
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/// Get an <see cref="IFileInfo"/> for the specified file <paramref name="name"/>
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/// </summary>
@@ -24,6 +49,28 @@ public static IFileInfo File(this IDirectoryInfo info, string name)
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return info.FileSystem.FileInfo.New(info.FileSystem.Path.Combine(info.FullName, name));
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}
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/// <summary>
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/// Get an <see cref="IFileInfo"/> for the specified sub-directories file <paramref name="names"/>
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/// </summary>
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/// <param name="info"></param>
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/// <param name="names">Sub-directories and file name (ex. "test", "test.txt"). Empty or null names are automatically removed from this list</param>
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/// <returns>An <see cref="IFileInfo"/> for the specified file</returns>
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public static IFileInfo File(this IDirectoryInfo info, params string[] names)
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{
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return info.File((IEnumerable<string>)names);
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}
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/// <summary>
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/// Get an <see cref="IFileInfo"/> for the specified sub-directories file <paramref name="names"/>
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/// </summary>
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/// <param name="info"></param>
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/// <param name="names">Sub-directories and file name (ex. "test", "test.txt"). Empty or null names are automatically removed from this list</param>
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/// <returns>An <see cref="IFileInfo"/> for the specified file</returns>
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public static IFileInfo File(this IDirectoryInfo info, IEnumerable<string> names)
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{
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return info.FileSystem.FileInfo.New(info.FileSystem.Path.Combine(GetPaths(info, names)));
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}
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/// <summary>
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/// Throws an exception if the directory <paramref name="info"/> doesn't exists
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/// </summary>
@@ -34,5 +81,12 @@ public static void ThrowIfNotFound(this IDirectoryInfo info)
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if (!info.Exists)
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throw new DirectoryNotFoundException(StringResources.Format("COULD_NOT_FIND_PART_OF_PATH_EXCEPTION", info.FullName));
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}
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private static string[] GetPaths(IDirectoryInfo info, IEnumerable<string> names)
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{
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return new[] { info.FullName }
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.Concat(names.Where(n => !String.IsNullOrEmpty(n)))
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.ToArray();
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}
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}
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}

‎src/System.IO.Abstractions.Extensions/System.IO.Abstractions.Extensions.csproj‎

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@@ -2,7 +2,7 @@
22

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<PropertyGroup>
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<PackageId>TestableIO.System.IO.Abstractions.Extensions</PackageId>
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<TargetFrameworks>net6.0;netstandard2.1;netstandard2.0;net461</TargetFrameworks>
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<TargetFrameworks>net6.0;netstandard2.1;netstandard2.0;net462</TargetFrameworks>
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<Description>Convenience functionalities on top of System.IO.Abstractions</Description>
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<RootNamespace>System.IO.Abstractions</RootNamespace>
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<PackageReleaseNotes>$([System.IO.File]::ReadAllText("$(MSBuildProjectDirectory)/../../ReleaseNotes.md"))</PackageReleaseNotes>

‎tests/System.IO.Abstractions.Extensions.Tests/DirectoryInfoExtensionsTests.cs‎

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@@ -1,4 +1,5 @@
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using NUnit.Framework;
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using System.Collections.Generic;
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namespace System.IO.Abstractions.Extensions.Tests
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{
@@ -30,6 +31,59 @@ public void SubDirectory_Extension_Test()
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Assert.IsFalse(fs.Directory.Exists(expectedPath));
3132
}
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[TestCase("test1", "test2")]
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[TestCase("test1", "", "test2")]
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[TestCase("test1", null, "test2")]
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public void SubDirectoryWithParams_Extension_Test(params string[] subFolders)
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{
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//arrange
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var fs = new FileSystem();
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var current = fs.DirectoryInfo.New(fs.Directory.GetCurrentDirectory());
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var expectedPath = fs.Path.Combine(current.FullName, "test1", "test2");
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//make sure directory doesn't exists
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Assert.IsFalse(fs.Directory.Exists(expectedPath));
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//create directory
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var created = current.SubDirectory(subFolders);
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created.Create();
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//assert it exists
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Assert.IsTrue(fs.Directory.Exists(expectedPath));
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Assert.AreEqual(expectedPath, created.FullName);
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//delete directory
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created.Delete();
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Assert.IsFalse(fs.Directory.Exists(expectedPath));
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}
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60+
[TestCase("test1", "test2")]
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[TestCase("test1", "", "test2")]
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[TestCase("test1", null, "test2")]
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public void SubDirectoryWithIEnumerable_Extension_Test(params string[] names)
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{
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//arrange
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var fs = new FileSystem();
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var current = fs.DirectoryInfo.New(fs.Directory.GetCurrentDirectory());
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var expectedPath = fs.Path.Combine(current.FullName, "test1", "test2");
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//make sure directory doesn't exists
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Assert.IsFalse(fs.Directory.Exists(expectedPath));
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//create directory
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var list = new List<string>(names);
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var created = current.SubDirectory(list);
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created.Create();
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//assert it exists
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Assert.IsTrue(fs.Directory.Exists(expectedPath));
80+
Assert.AreEqual(expectedPath, created.FullName);
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//delete directory
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created.Delete();
84+
Assert.IsFalse(fs.Directory.Exists(expectedPath));
85+
}
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[Test]
3488
public void File_Extension_Test()
3589
{
@@ -58,6 +112,38 @@ public void File_Extension_Test()
58112
Assert.IsFalse(fs.File.Exists(expectedPath));
59113
}
60114

115+
[TestCase("test1", "test2", "test.txt")]
116+
[TestCase("test1", "", "test2", "test.txt")]
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[TestCase("test1", null, "test2", "test.txt")]
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119+
public void FileWithParams_Extension_Test(params string[] names)
120+
{
121+
//arrange
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var fs = new FileSystem();
123+
var current = fs.DirectoryInfo.New(fs.Directory.GetCurrentDirectory());
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var expectedPath = fs.Path.Combine(current.FullName, "test1", "test2", "test.txt");
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//make sure file doesn't exists
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Assert.IsFalse(fs.File.Exists(expectedPath));
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129+
//act, create file
130+
var created = current.File(names);
131+
created.Directory.Create();
132+
using (var stream = created.Create())
133+
{
134+
stream.Dispose();
135+
}
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//assert it exists
138+
Assert.IsTrue(fs.File.Exists(expectedPath));
139+
Assert.AreEqual(expectedPath, created.FullName);
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//delete file
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created.Delete();
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created.Directory.Delete();
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Assert.IsFalse(fs.File.Exists(expectedPath));
145+
}
146+
61147
[Test]
62148
public void ThrowIfNotFound_IfDirectoryDoesNotExists_ThrowsException()
63149
{

‎tests/System.IO.Abstractions.Extensions.Tests/System.IO.Abstractions.Extensions.Tests.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFrameworks>net6.0;net5.0;net461</TargetFrameworks>
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<TargetFrameworks Condition="!$([MSBuild]::IsOsUnixLike())">$(TargetFrameworks);net461</TargetFrameworks>
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<TargetFrameworks>net7.0;net6.0;net5.0</TargetFrameworks>
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<TargetFrameworks Condition="!$([MSBuild]::IsOsUnixLike())">$(TargetFrameworks);net462</TargetFrameworks>
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<IsPackable>false</IsPackable>
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<IsTestable>true</IsTestable>
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</PropertyGroup>

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