internal async Task VerifyCustomCommitWorkerAsync(
CompletionServiceWithProviders service,
Document document,
CompletionItem completionItem,
string codeBeforeCommit,
string expectedCodeAfterCommit,
char?commitChar = null)
{
MarkupTestFile.GetPosition(expectedCodeAfterCommit, out var actualExpectedCode, out int expectedCaretPosition);
if (commitChar.HasValue &&
!Controller.IsCommitCharacter(service.GetRules(), completionItem, commitChar.Value, commitChar.Value.ToString()))
{
Assert.Equal(codeBeforeCommit, actualExpectedCode);
return;
}
var commit = await service.GetChangeAsync(document, completionItem, commitChar, CancellationToken.None);
var text = await document.GetTextAsync();
var newText = text.WithChanges(commit.TextChange);
var newDoc = document.WithText(newText);
document.Project.Solution.Workspace.TryApplyChanges(newDoc.Project.Solution);
var textBuffer = (await WorkspaceFixture.GetWorkspaceAsync()).Documents.Single().TextBuffer;
var textView = (await WorkspaceFixture.GetWorkspaceAsync()).Documents.Single().GetTextView();
string actualCodeAfterCommit = textBuffer.CurrentSnapshot.AsText().ToString();
var caretPosition = commit.NewPosition != null ? commit.NewPosition.Value : textView.Caret.Position.BufferPosition.Position;
Assert.Equal(actualExpectedCode, actualCodeAfterCommit);
Assert.Equal(expectedCaretPosition, caretPosition);
}
private void InitializeServiceOnDocumentOpened(object sender, DocumentEventArgs e)
{
if (e.Document.Project.Language != _languageName)
{
return;
}
var token = _listener.BeginAsyncOperation(nameof(InitializeServiceForOpenedDocumentOnBackgroundAsync));
InitializeServiceForOpenedDocumentOnBackgroundAsync(e.Document).CompletesAsyncOperation(token);
async Task InitializeServiceForOpenedDocumentOnBackgroundAsync(Document document)
{
await TaskScheduler.Default;
// Preload project completion providers on a background thread since loading extensions can be slow
// https://devdiv.visualstudio.com/DevDiv/_workitems/edit/1488945
if (document.GetLanguageService <CompletionService>() is CompletionServiceWithProviders completionServiceWithProviders)
{
_ = CompletionServiceWithProviders.GetProjectCompletionProviders(document.Project);
}
await InitializeServiceForOpenedDocumentAsync(document).ConfigureAwait(false);
}
}
public TestAccessor(CompletionServiceWithProviders completionServiceWithProviders) => _completionServiceWithProviders = completionServiceWithProviders;
