private void RunDiagnostics([NotNull] AnalyzerTestContext context, [NotNull][ItemNotNull] params string[] messages)
{
AnalysisResult result = GetAnalysisResult(context, messages);
VerifyDiagnosticCount(result, context.DiagnosticsCaptureMode);
VerifyDiagnostics(result, context);
}
protected void AssertDiagnostics([NotNull] AnalyzerTestContext context, [NotNull][ItemNotNull] params string[] messages)
{
Guard.NotNull(context, nameof(context));
Guard.NotNull(messages, nameof(messages));
RunDiagnostics(context, messages);
}
private AnalysisResult GetAnalysisResult([NotNull] AnalyzerTestContext context, [NotNull][ItemNotNull] string[] messages)
{
DocumentWithSpans documentWithSpans = DocumentFactory.GetDocumentWithSpansFromMarkup(context);
IList <Diagnostic> diagnostics = GetSortedAnalyzerDiagnostics(context, documentWithSpans);
ImmutableArray <TextSpan> spans = documentWithSpans.TextSpans.OrderBy(s => s).ToImmutableArray();
return(new AnalysisResult(diagnostics, spans, messages));
}
private IList <Diagnostic> GetSortedAnalyzerDiagnostics([NotNull] AnalyzerTestContext context,
[NotNull] DocumentWithSpans documentWithSpans)
{
IEnumerable <Diagnostic> diagnostics =
EnumerateDiagnosticsForDocument(documentWithSpans.Document, context.ValidationMode,
context.DiagnosticsCaptureMode).Where(d => d.Id == DiagnosticId);
if (context.DiagnosticsCaptureMode == DiagnosticsCaptureMode.RequireInSourceTree)
{
diagnostics = diagnostics.OrderBy(d => d.Location.SourceSpan);
}
return(diagnostics.ToImmutableArray());
}
private static void VerifyDiagnostics([NotNull] AnalysisResult result, [NotNull] AnalyzerTestContext context)
{
for (int index = 0; index < result.Diagnostics.Count; index++)
{
Diagnostic diagnostic = result.Diagnostics[index];
if (context.DiagnosticsCaptureMode == DiagnosticsCaptureMode.RequireInSourceTree)
{
VerifyDiagnosticLocation(diagnostic, result.Spans[index]);
}
diagnostic.GetMessage().Should().Be(result.Messages[index]);
}
}
public DocumentWithSpans GetDocumentWithSpansFromMarkup([NotNull] AnalyzerTestContext context)
{
Guard.NotNull(context, nameof(context));
var parser = new MarkupParser(context.MarkupCode);
CodeWithSpans codeWithSpans = parser.Parse();
ParseOptions parseOptions = GetParseOptions(context.DocumentationMode, context.LanguageName);
CompilationOptions compilationOptions = GetCompilationOptions(context.CompilerWarningLevel, context.LanguageName);
Document document = new AdhocWorkspace()
.AddProject(context.AssemblyName, context.LanguageName)
.WithParseOptions(parseOptions)
.WithCompilationOptions(compilationOptions)
.AddMetadataReferences(context.References)
.AddDocument(context.FileName, codeWithSpans.Code);
return(new DocumentWithSpans(document, codeWithSpans.Spans));
}