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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.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Immutable;
using System.Linq;
using System.Reflection;
using System.Text;
using Microsoft.CodeAnalysis.LanguageServer;
using Roslyn.Test.Utilities;
using Xunit;
namespace Microsoft.CodeAnalysis.Test.Utilities.LanguageServer
{
public abstract class AbstractLspBuildOnlyDiagnosticsTests
{
protected abstract Type ErrorCodeType { get; }
protected abstract Type LspBuildOnlyDiagnosticsType { get; }
protected abstract ImmutableArray<string> ExpectedDiagnosticCodes { get; }
[Fact]
public void TestExportedDiagnosticIds()
{
var attribute = this.LspBuildOnlyDiagnosticsType.GetCustomAttribute<LspBuildOnlyDiagnosticsAttribute>();
var actualDiagnosticCodes = attribute.BuildOnlyDiagnostics;
var missing = ExpectedDiagnosticCodes.Except(actualDiagnosticCodes).OrderBy(k => k).ToList();
var errorMessage = new StringBuilder();
foreach (var missingItem in missing)
{
var code = missingItem.Substring(2).TrimStart('0'); // trim off CS or VB and any leading zeros
var codeValue = int.Parse(code);
var enumMembers = ErrorCodeType.GetFields(BindingFlags.Public | BindingFlags.Static);
var enumMember = enumMembers.First(m => Convert.ToInt32(m.GetValue(null)) == codeValue);
errorMessage.AppendLine($@"Missing: ""{missingItem}, // {ErrorCodeType.Name}.{enumMember.Name}""");
}
var extra = actualDiagnosticCodes.Except(ExpectedDiagnosticCodes);
foreach (var extraItem in extra)
{
errorMessage.AppendLine($@"Extra: ""{extraItem}"" not in IsBuildOnlyDiagnostic");
}
if (errorMessage.Length > 0)
AssertEx.Fail(errorMessage.ToString());
}
}
}
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