void StartSession(CompletionInfo? info = null, CompletionTrigger? completionTrigger = null) {
if (HasSession)
return;
var triggerPoint = textView.TextSnapshot.CreateTrackingPoint(textView.Caret.Position.BufferPosition.Position, PointTrackingMode.Negative, TrackingFidelityMode.Forward);
completionSession = completionBroker.Value.CreateCompletionSession(textView, triggerPoint, trackCaret: true);
if (completionTrigger != null)
completionSession.Properties.AddProperty(typeof(CompletionTrigger), completionTrigger);
completionSession.Dismissed += CompletionSession_Dismissed;
completionSession.Start();
}
private void VerifyExpectations(Document document, IDiagnosticLocator locator, CompletionTrigger?trigger, Action <ImmutableArray <CompletionItem> > assertion)
{
var selectedTrigger = trigger ?? CompletionTrigger.Default;
var provider = CreateProvider();
var span = locator.GetSpan();
var options = document.GetOptionsAsync(CancellationToken.None).GetAwaiter().GetResult();
var service = new TestCompletionService(document.Project.Solution.Workspace, LanguageName, provider);
var result = service.GetCompletionsAsync(document, span.Start, selectedTrigger, ImmutableHashSet <string> .Empty, options, CancellationToken.None).GetAwaiter().GetResult();
assertion(result.Items);
}
protected void TestCompletion(Document document, TextSpan span, Action <ImmutableArray <CompletionItem> > assertion, CompletionTrigger?trigger = null)
{
var locator = new TextSpanLocator(span);
VerifyExpectations(document, locator, trigger, assertion);
}
protected void TestCompletion(Document document, TextSpan span, string[] expectedCompletions, CompletionTrigger?trigger = null)
{
var locator = new TextSpanLocator(span);
var assertion = CreateAssertionBasedOnExpectedSet(expectedCompletions, locator);
VerifyExpectations(document, locator, trigger, assertion);
}
protected void TestCompletion(string markupCode, Action <ImmutableArray <CompletionItem> > assertion, CompletionTrigger?trigger = null)
{
var document = MarkupHelper.GetDocumentFromMarkup(markupCode, LanguageName, References);
var locator = MarkupHelper.GetLocator(markupCode);
VerifyExpectations(document, locator, trigger, assertion);
}
protected void TestCompletion(string markupCode, string[] expectedCompletions, CompletionTrigger?trigger = null)
{
var document = MarkupHelper.GetDocumentFromMarkup(markupCode, LanguageName, References);
var locator = MarkupHelper.GetLocator(markupCode);
var assertion = CreateAssertionBasedOnExpectedSet(expectedCompletions, locator);
VerifyExpectations(document, locator, trigger, assertion);
}
protected void TestCompletion(string markupCode, Action <ImmutableArray <CompletionItem> > assertion, CompletionTrigger?trigger = null)
{
var markup = new CodeMarkup(markupCode);
var document = CreateDocumentFromCode(markup.Code);
VerifyExpectations(document, markup.Locator, trigger, assertion);
}
protected void TestCompletion(string markupCode, string[] expectedCompletions, CompletionTrigger?trigger = null)
{
var markup = new CodeMarkup(markupCode);
var document = CreateDocumentFromCode(markup.Code);
var assertion = CreateAssertionBasedOnExpectedSet(expectedCompletions, markup.Locator);
VerifyExpectations(document, markup.Locator, trigger, assertion);
}