dotnet-installer/test/Microsoft.DotNet.ProjectModel.Tests/FileSystemGlobbing/FileAbstractionsTests.cs

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3.9 KiB
C#

// Copyright (c) .NET Foundation and contributors. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System.IO;
using System.Linq;
using Microsoft.DotNet.ProjectModel.FileSystemGlobbing.Abstractions;
using Microsoft.DotNet.ProjectModel.FileSystemGlobbing.Tests.TestUtility;
using Xunit;
namespace Microsoft.DotNet.ProjectModel.FileSystemGlobbing.Tests
{
public class FileAbstractionsTests
{
[Fact]
public void TempFolderStartsInitiallyEmpty()
{
using (var scenario = new DisposableFileSystem())
{
var contents = scenario.DirectoryInfo.EnumerateFileSystemInfos();
Assert.Equal(Path.GetFileName(scenario.RootPath), scenario.DirectoryInfo.Name);
Assert.Equal(scenario.RootPath, scenario.DirectoryInfo.FullName);
Assert.Equal(0, contents.Count());
}
}
[Fact]
public void FilesAreEnumerated()
{
using (var scenario = new DisposableFileSystem()
.CreateFile("alpha.txt"))
{
var contents = new DirectoryInfoWrapper(scenario.DirectoryInfo).EnumerateFileSystemInfos();
var alphaTxt = contents.OfType<FileInfoBase>().Single();
Assert.Equal(1, contents.Count());
Assert.Equal("alpha.txt", alphaTxt.Name);
}
}
[Fact]
public void FoldersAreEnumerated()
{
using (var scenario = new DisposableFileSystem()
.CreateFolder("beta"))
{
var contents1 = new DirectoryInfoWrapper(scenario.DirectoryInfo).EnumerateFileSystemInfos();
var beta = contents1.OfType<DirectoryInfoBase>().Single();
var contents2 = beta.EnumerateFileSystemInfos();
Assert.Equal(1, contents1.Count());
Assert.Equal("beta", beta.Name);
Assert.Equal(0, contents2.Count());
}
}
[Fact]
public void SubFoldersAreEnumerated()
{
using (var scenario = new DisposableFileSystem()
.CreateFolder("beta")
.CreateFile(Path.Combine("beta", "alpha.txt")))
{
var contents1 = new DirectoryInfoWrapper(scenario.DirectoryInfo).EnumerateFileSystemInfos();
var beta = contents1.OfType<DirectoryInfoBase>().Single();
var contents2 = beta.EnumerateFileSystemInfos();
var alphaTxt = contents2.OfType<FileInfoBase>().Single();
Assert.Equal(1, contents1.Count());
Assert.Equal("beta", beta.Name);
Assert.Equal(1, contents2.Count());
Assert.Equal("alpha.txt", alphaTxt.Name);
}
}
[Fact]
public void GetDirectoryCanTakeDotDot()
{
using (var scenario = new DisposableFileSystem()
.CreateFolder("gamma")
.CreateFolder("beta")
.CreateFile(Path.Combine("beta", "alpha.txt")))
{
var directoryInfoBase = new DirectoryInfoWrapper(scenario.DirectoryInfo);
var gamma = directoryInfoBase.GetDirectory("gamma");
var dotdot = gamma.GetDirectory("..");
var contents1 = dotdot.EnumerateFileSystemInfos();
var beta = dotdot.GetDirectory("beta");
var contents2 = beta.EnumerateFileSystemInfos();
var alphaTxt = contents2.OfType<FileInfoBase>().Single();
Assert.Equal("..", dotdot.Name);
Assert.Equal(2, contents1.Count());
Assert.Equal("beta", beta.Name);
Assert.Equal(1, contents2.Count());
Assert.Equal("alpha.txt", alphaTxt.Name);
}
}
}
}