public async Task ParameterTest_ComputeCurrentParameter02()
{
await FunctionIndex.GetPackageNameAsync("legend");
_settings.PartialArgumentNameMatch.Returns(true);
var textBuffer = new TextBufferMock("legend(bty=1, lt=3)", RContentTypeDefinition.ContentType);
var eb = textBuffer.ToEditorBuffer();
var source = new RSignatureHelpSource(textBuffer, Services);
var session = new SignatureHelpSessionMock(Services, textBuffer, 0);
var textView = session.TextView as TextViewMock;
var signatures = new List <ISignature>();
using (var tree = new EditorTree(eb, Services)) {
tree.Build();
using (var document = new EditorDocumentMock(tree)) {
session.TrackingPoint = new TrackingPointMock(textBuffer, 7, PointTrackingMode.Positive, TrackingFidelityMode.Forward);
tree.TakeThreadOwnerShip();
await source.AugmentSignatureHelpSessionAsync(session, signatures, tree.AstRoot);
signatures.Should().ContainSingle();
textView.Caret = new TextCaretMock(textView, 8);
var sh = ((RSignatureHelp)signatures[0]).FunctionSignatureHelp;
var index = sh.SignatureInfo.ComputeCurrentParameter(tree.BufferSnapshot, tree.AstRoot, 8, _settings);
index.Should().Be(11);
textView.Caret = new TextCaretMock(textView, 15);
index = sh.SignatureInfo.ComputeCurrentParameter(tree.BufferSnapshot, tree.AstRoot, 15, _settings);
index.Should().Be(6);
}
}
}
internal static Task AugmentSignatureHelpSessionAsync(this RSignatureHelpSource signatureHelpSource, ISignatureHelpSession session, IList <ISignature> signatures, AstRoot ast)
{
var tcs = new TaskCompletionSource <object>();
var ready = signatureHelpSource.AugmentSignatureHelpSession(session, signatures, ast, (tv, sigs) => {
foreach (var s in RSignatureHelpSource.ToVsEditorSignatures(sigs))
{
signatures.Add(s);
}
tcs.TrySetResult(null);
});
if (ready)
{
tcs.TrySetResult(null);
}
return(tcs.Task);
}
public async Task ParameterTest_ComputeCurrentParameter01()
{
var textBuffer = new TextBufferMock("aov(", RContentTypeDefinition.ContentType);
var editorBuffer = textBuffer.ToEditorBuffer();
var source = new RSignatureHelpSource(textBuffer, Services);
var session = new SignatureHelpSessionMock(Services, textBuffer, 0);
var textView = session.TextView as TextViewMock;
var signatures = new List <ISignature>();
using (var tree = new EditorTree(editorBuffer, Services)) {
tree.Build();
using (var document = new EditorDocumentMock(tree)) {
session.TrackingPoint = new TrackingPointMock(textBuffer, 4, PointTrackingMode.Positive, TrackingFidelityMode.Forward);
await FunctionIndex.GetPackageNameAsync("aov");
tree.TakeThreadOwnerShip();
await source.AugmentSignatureHelpSessionAsync(session, signatures, tree.AstRoot);
signatures.Should().ContainSingle();
var index = GetCurrentParameterIndex(signatures[0], signatures[0].CurrentParameter);
index.Should().Be(0);
textView.Caret = new TextCaretMock(textView, 5);
TextBufferUtility.ApplyTextChange(textBuffer, 4, 0, 1, "a");
index = GetCurrentParameterIndex(signatures[0], signatures[0].CurrentParameter);
index.Should().Be(0);
textView.Caret = new TextCaretMock(textView, 6);
TextBufferUtility.ApplyTextChange(textBuffer, 5, 0, 1, ",");
tree.EnsureTreeReady();
index = GetCurrentParameterIndex(signatures[0], signatures[0].CurrentParameter);
index.Should().Be(1);
textView.Caret = new TextCaretMock(textView, 7);
TextBufferUtility.ApplyTextChange(textBuffer, 6, 0, 1, ",");
tree.EnsureTreeReady();
index = GetCurrentParameterIndex(signatures[0], signatures[0].CurrentParameter);
index.Should().Be(2);
}
}
}
public async Task SignatureHelpSourceTest01()
{
const string content = @"x <- as.matrix(x)";
var ast = RParser.Parse(content);
var caretPosition = 15;
var textBuffer = new TextBufferMock(content, RContentTypeDefinition.ContentType);
var signatureHelpSource = new RSignatureHelpSource(textBuffer, Services);
var signatureHelpSession = new SignatureHelpSessionMock(Services, textBuffer, caretPosition);
var signatures = new List <ISignature>();
signatureHelpSession.TrackingPoint = new TrackingPointMock(textBuffer, caretPosition, PointTrackingMode.Positive, TrackingFidelityMode.Forward);
await signatureHelpSource.AugmentSignatureHelpSessionAsync(signatureHelpSession, signatures, ast);
signatures.Should().ContainSingle();
signatures[0].Parameters.Should().HaveCount(2);
signatures[0].CurrentParameter.Name.Should().Be("x");
signatures[0].Content.Should().Be("as.matrix(x, ...)");
signatures[0].Documentation.Should().NotBeEmpty();
}
public async Task SignatureHelpSourceTest02()
{
const string content =
@"
x <- function(a, b = TRUE, c = 12/7) { }
x( )
";
var ast = RParser.Parse(content);
var caretPosition = content.IndexOfOrdinal("( )") + 1;
var textBuffer = new TextBufferMock(content, RContentTypeDefinition.ContentType);
var signatureHelpSource = new RSignatureHelpSource(textBuffer, Services);
var signatureHelpSession = new SignatureHelpSessionMock(Services, textBuffer, caretPosition);
var signatures = new List <ISignature>();
signatureHelpSession.TrackingPoint = new TrackingPointMock(textBuffer, caretPosition, PointTrackingMode.Positive, TrackingFidelityMode.Forward);
await signatureHelpSource.AugmentSignatureHelpSessionAsync(signatureHelpSession, signatures, ast);
signatures.Should().ContainSingle();
signatures[0].Parameters.Should().HaveCount(3);
signatures[0].CurrentParameter.Name.Should().Be("a");
signatures[0].Content.Should().Be("x(a, b = TRUE, c = 12/7)");
signatures[0].Documentation.Should().BeEmpty();
}
