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FilterDiagnosticsTests.cs
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FilterDiagnosticsTests.cs
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using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.Testing;
using Microsoft.CodeAnalysis.Text;
using Microsoft.CodeAnalysis.Tools.Analyzers;
using Microsoft.CodeAnalysis.Tools.Formatters;
using Microsoft.CodeAnalysis.Tools.Tests.Formatters;
using Xunit;
namespace Microsoft.CodeAnalysis.Tools.Tests.Analyzers
{
using static AnalyzerAssemblyGenerator;
public class FilterDiagnosticsTests : CSharpFormatterTests
{
[Fact]
public async Task TestFilterWarning()
{
var projects = GetProjects();
var allAnalyzers = await GetAnalyzersAsync();
var formattablePaths = ImmutableHashSet.Create(projects.First().Documents.First().FilePath);
var minimumSeverity = DiagnosticSeverity.Warning;
var result = await AnalyzerFinderHelpers.FilterBySeverityAsync(projects,
allAnalyzers,
formattablePaths,
minimumSeverity,
CancellationToken.None);
var (_, analyzers) = Assert.Single(result);
Assert.Single(analyzers);
}
[Fact]
public async Task TestFilterError()
{
var projects = GetProjects();
var allAnalyzers = await GetAnalyzersAsync();
var formattablePaths = ImmutableHashSet.Create(projects.First().Documents.First().FilePath);
var minimumSeverity = DiagnosticSeverity.Error;
var result = await AnalyzerFinderHelpers.FilterBySeverityAsync(projects,
allAnalyzers,
formattablePaths,
minimumSeverity,
CancellationToken.None);
var (_, analyzers) = Assert.Single(result);
Assert.Empty(analyzers);
}
private async Task<ImmutableArray<DiagnosticAnalyzer>> GetAnalyzersAsync()
{
var assemblies = new[]
{
await GenerateAssemblyAsync(
GenerateAnalyzerCode("DiagnosticAnalyzer1", "DiagnosticAnalyzerId"),
GenerateCodeFix("CodeFixProvider1", "DiagnosticAnalyzerId"))
};
var analyzersAndFixers = AnalyzerFinderHelpers.LoadAnalyzersAndFixers(assemblies);
return ImmutableArray.Create(analyzersAndFixers[0].Analyzer);
}
private IEnumerable<Project> GetProjects()
{
var text = SourceText.From("");
TestState.Sources.Add(text);
var solution = GetSolution(TestState.Sources.ToArray(),
TestState.AdditionalFiles.ToArray(),
TestState.AdditionalReferences.ToArray(),
"root = true");
return solution.Projects;
}
private protected override ICodeFormatter Formatter { get; }
}
}