src/Workspaces/CSharpTest/CodeGeneration/AddAttributesTests.cs - main - githubmirror/roslyn

src/Workspaces/CSharpTest/CodeGeneration/AddAttributesTests.cs
85 строк3 KB
Cyrus Najmabadi
Revert
10 июл 2025, 02:32
10 июл 2025, 02:3269b7d22
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

#nullable disable

using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CSharp.Formatting;
using Microsoft.CodeAnalysis.Editing;
using Microsoft.CodeAnalysis.Formatting;
using Microsoft.CodeAnalysis.Test.Utilities;
using Roslyn.Test.Utilities;
using Xunit;

namespace Microsoft.CodeAnalysis.CSharp.UnitTests.CodeGeneration;

using static CSharpSyntaxTokens;
using static SyntaxFactory;

[UseExportProvider]
public sealed class AddAttributesTests
{
    private static Document GetDocument(string code)
    {
        var ws = new AdhocWorkspace();
        var emptyProject = ws.AddProject(
            ProjectInfo.Create(
                ProjectId.CreateNewId(),
                VersionStamp.Default,
                "test",
                "test.dll",
                LanguageNames.CSharp,
                metadataReferences: [NetFramework.mscorlib]));

        return emptyProject.AddDocument("test.cs", code);
    }

    private static async Task TestAsync(string initialText, string attributeAddedText)
    {
        var doc = GetDocument(initialText);

        var attributeList =
            AttributeList(
                [Attribute(
                    IdentifierName("System.Reflection.AssemblyVersion(\"1.0.0.0\")"))])
            .WithTarget(
                AttributeTargetSpecifier(
                    AssemblyKeyword));

        var syntaxRoot = await doc.GetSyntaxRootAsync();
        var editor = await DocumentEditor.CreateAsync(doc);

        editor.AddAttribute(syntaxRoot, attributeList);

        var changedDoc = editor.GetChangedDocument();

        if (attributeAddedText != null)
        {
            var formatted = await Formatter.FormatAsync(changedDoc, SyntaxAnnotation.ElasticAnnotation, CSharpSyntaxFormattingOptions.Default, CancellationToken.None);
            var actualText = (await formatted.GetTextAsync()).ToString();

            Assert.Equal(attributeAddedText, actualText);
        }
    }

    [Fact]
    public Task TestAddAssemblyAttributeListToEmptyDocument()
        => TestAsync(
            string.Empty,
            """
            [assembly: System.Reflection.AssemblyVersion("1.0.0.0")]

            """);

    [Fact]
    public Task TestAddAssemblyAttributeListToDocumentWithOtherAssemblyAttribute()
        => TestAsync(
            """[assembly: System.Reflection.AssemblyName("Test")]""",
            """
            [assembly: System.Reflection.AssemblyName("Test")]
            [assembly: System.Reflection.AssemblyVersion("1.0.0.0")]

            """);
}