internal RefactoringTestData(RefactoringTestData other)
: this(
source : other.Source,
spans : other.Spans,
additionalFiles : other.AdditionalFiles,
equivalenceKey : other.EquivalenceKey)
{
}
/// <summary>
/// Verifies that refactoring will be applied correctly using specified <typeparamref name="TRefactoringProvider"/>.
/// </summary>
/// <param name="data"></param>
/// <param name="expected"></param>
/// <param name="options"></param>
/// <param name="cancellationToken"></param>
public async Task VerifyRefactoringAsync(
RefactoringTestData data,
ExpectedTestState expected,
TestOptions options = null,
CancellationToken cancellationToken = default)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (expected == null)
{
throw new ArgumentNullException(nameof(expected));
}
if (data.Spans.IsEmpty)
{
Fail("Span on which a refactoring should be invoked was not found.");
}
options ??= Options;
TRefactoringProvider refactoringProvider = Activator.CreateInstance <TRefactoringProvider>();
foreach (TextSpan span in data.Spans)
{
cancellationToken.ThrowIfCancellationRequested();
using (Workspace workspace = new AdhocWorkspace())
{
(Document document, ImmutableArray <ExpectedDocument> expectedDocuments) = CreateDocument(workspace.CurrentSolution, data.Source, data.AdditionalFiles, options);
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken);
ImmutableArray <Diagnostic> compilerDiagnostics = semanticModel.GetDiagnostics(cancellationToken: cancellationToken);
VerifyCompilerDiagnostics(compilerDiagnostics, options);
CodeAction action = null;
List <CodeAction> candidateActions = null;
var context = new CodeRefactoringContext(
document,
span,
a =>
{
if (data.EquivalenceKey == null ||
string.Equals(a.EquivalenceKey, data.EquivalenceKey, StringComparison.Ordinal))
{
if (action != null)
{
Fail($"Multiple refactorings registered by '{refactoringProvider.GetType().Name}'.", new CodeAction[] { action, a });
}
action = a;
}
else
{
(candidateActions ??= new List <CodeAction>()).Add(a);
}
},