public DiagnosticTaggerWrapper(
TestWorkspace workspace,
IReadOnlyDictionary <string, ImmutableArray <DiagnosticAnalyzer> >?analyzerMap = null,
IDiagnosticUpdateSource?updateSource = null,
bool createTaggerProvider = true)
{
_threadingContext = workspace.GetService <IThreadingContext>();
_listenerProvider = workspace.GetService <IAsynchronousOperationListenerProvider>();
var analyzerReference = new TestAnalyzerReferenceByLanguage(analyzerMap ?? DiagnosticExtensions.GetCompilerDiagnosticAnalyzersMap());
workspace.TryApplyChanges(workspace.CurrentSolution.WithAnalyzerReferences(new[] { analyzerReference }));
// Change the background analysis scope to OpenFiles instead of ActiveFile (default),
// so that every diagnostic tagger test does not need to mark test files as "active" file.
var csKey = new OptionKey2(SolutionCrawlerOptions.BackgroundAnalysisScopeOption, LanguageNames.CSharp);
var vbKey = new OptionKey2(SolutionCrawlerOptions.BackgroundAnalysisScopeOption, LanguageNames.VisualBasic);
workspace.SetOptions(workspace.Options
.WithChangedOption(csKey, BackgroundAnalysisScope.OpenFiles)
.WithChangedOption(vbKey, BackgroundAnalysisScope.OpenFiles));
_workspace = workspace;
_registrationService = (SolutionCrawlerRegistrationService)workspace.Services.GetRequiredService <ISolutionCrawlerRegistrationService>();
_registrationService.Register(workspace);
if (!_registrationService.GetTestAccessor().TryGetWorkCoordinator(workspace, out var coordinator))
{
throw new InvalidOperationException();
}
AnalyzerService = (DiagnosticAnalyzerService?)_registrationService.GetTestAccessor().AnalyzerProviders.SelectMany(pair => pair.Value).SingleOrDefault(lazyProvider => lazyProvider.Metadata.Name == WellKnownSolutionCrawlerAnalyzers.Diagnostic && lazyProvider.Metadata.HighPriorityForActiveFile)?.Value;
DiagnosticService = (DiagnosticService)workspace.ExportProvider.GetExportedValue <IDiagnosticService>();
if (updateSource is object)
{
DiagnosticService.Register(updateSource);
}
if (createTaggerProvider)
{
_ = TaggerProvider;
}
}