// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.IO;
using System.Threading;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Text;
 
namespace Microsoft.Extensions.ExtraAnalyzers.Test;
 
/// <remarks>
/// Creates a view over a file in the analyzer compilation directory with given name.
/// Can be used in tests for checking file related tasks.
/// </remarks>
internal class FileVisibleToAnalyzer : AdditionalText
{
    private readonly string _fileName;
 
    public FileVisibleToAnalyzer(string fileName)
    {
        _fileName = fileName;
    }
 
    public override string Path => System.IO.Path.Combine(Directory.GetCurrentDirectory(), _fileName);
 
    public override SourceText? GetText(CancellationToken cancellationToken = default) => SourceText.From(File.ReadAllText(Path));
}