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FileConfigurationBuilderExtensionsTest.cs
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FileConfigurationBuilderExtensionsTest.cs
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.IO;
using Microsoft.Extensions.FileProviders;
using Xunit;
namespace Microsoft.Extensions.Configuration.FileExtensions.Test
{
public class FileConfigurationBuilderExtensionsTest
{
[Fact]
public void SetFileProvider_ThrowsIfBasePathIsNull()
{
// Arrange
var configurationBuilder = new ConfigurationBuilder();
// Act and Assert
var ex = Assert.Throws<ArgumentNullException>(() => configurationBuilder.SetBasePath(basePath: null));
Assert.Equal("basePath", ex.ParamName);
}
[Fact]
public void SetFileProvider_CheckPropertiesValueOnBuilder()
{
var expectedBasePath = Directory.GetCurrentDirectory();
var configurationBuilder = new ConfigurationBuilder();
configurationBuilder.SetBasePath(expectedBasePath);
var physicalProvider = configurationBuilder.GetFileProvider() as PhysicalFileProvider;
Assert.NotNull(physicalProvider);
Assert.Equal(EnsureTrailingSlash(expectedBasePath), physicalProvider.Root);
}
[Fact]
public void GetFileProvider_ReturnPhysicalProviderWithBaseDirectoryIfNotSet()
{
// Arrange
var configurationBuilder = new ConfigurationBuilder();
// Act
var physicalProvider = configurationBuilder.GetFileProvider() as PhysicalFileProvider;
string expectedPath;
expectedPath = AppContext.BaseDirectory;
Assert.NotNull(physicalProvider);
Assert.Equal(EnsureTrailingSlash(expectedPath), physicalProvider.Root);
}
private static string EnsureTrailingSlash(string path)
{
if (!string.IsNullOrEmpty(path) &&
path[path.Length - 1] != Path.DirectorySeparatorChar)
{
return path + Path.DirectorySeparatorChar;
}
return path;
}
}
}