public void Update_NoChanges_InvokesPostChangedEventZeroTimes_NoEffectiveChanges()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot("Hello World"));
var called = 0;
textBuffer.PostChanged += (s, a) =>
{
textBuffer.TryGetHostDocumentSyncVersion(out var version);
Assert.Equal(1, version);
called += 1;
};
using var document = new TestVirtualDocument(Uri, textBuffer);
// Act
document.Update(Array.Empty <ITextChange>(), hostDocumentVersion: 1, state: null);
// Assert
Assert.Equal(0, called);
var text = textBuffer.CurrentSnapshot.GetText();
Assert.Equal("Hello World", text);
}
public void TryGetVirtualCSharpDocument_CSharpDocument_ReturnsTrue()
{
// Arrange
var testVirtualDocument = new TestVirtualDocument();
var lspDocument = new DefaultLSPDocument(Uri, Mock.Of <ITextBuffer>(), new[] { Mock.Of <VirtualDocument>(), testVirtualDocument });
// Act
var result = lspDocument.TryGetVirtualDocument <TestVirtualDocument>(out var virtualDocument);
// Assert
Assert.True(result);
Assert.Same(testVirtualDocument, virtualDocument);
}
public void Update_AlwaysSetsHostDocumentSyncVersion_AndUpdatesSnapshot()
{
// Arrange
var textBuffer = new TestTextBuffer(StringTextSnapshot.Empty);
var document = new TestVirtualDocument(Uri, textBuffer);
var originalSnapshot = document.CurrentSnapshot;
// Act
document.Update(Array.Empty <ITextChange>(), hostDocumentVersion: 1337);
// Assert
Assert.NotSame(originalSnapshot, document.CurrentSnapshot);
Assert.Equal(1337, document.HostDocumentSyncVersion);
}
public void Update_Delete()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot("Hello World"));
var delete = new VisualStudioTextChange(6, 5, string.Empty);
var document = new TestVirtualDocument(Uri, textBuffer);
// Act
document.Update(new[] { delete }, hostDocumentVersion: 1);
// Assert
var text = textBuffer.CurrentSnapshot.GetText();
Assert.Equal("Hello ", text);
}
public void Update_Replace()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot("original"));
var replace = new VisualStudioTextChange(0, textBuffer.CurrentSnapshot.Length, "replaced text");
var document = new TestVirtualDocument(Uri, textBuffer);
// Act
document.Update(new[] { replace }, hostDocumentVersion: 1);
// Assert
var text = textBuffer.CurrentSnapshot.GetText();
Assert.Equal(replace.NewText, text);
}
public void Update_Insert()
{
// Arrange
var insert = new VisualStudioTextChange(0, 0, "inserted text");
var textBuffer = new TestTextBuffer(StringTextSnapshot.Empty);
var document = new TestVirtualDocument(Uri, textBuffer);
// Act
document.Update(new[] { insert }, hostDocumentVersion: 1);
// Assert
var text = textBuffer.CurrentSnapshot.GetText();
Assert.Equal(insert.NewText, text);
}
public void Update_MultipleEdits()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot("Hello World"));
var replace = new VisualStudioTextChange(6, 5, "Replaced");
var delete = new VisualStudioTextChange(0, 6, string.Empty);
using var document = new TestVirtualDocument(Uri, textBuffer);
// Act
document.Update(new[] { replace, delete }, hostDocumentVersion: 1, state: null);
// Assert
var text = textBuffer.CurrentSnapshot.GetText();
Assert.Equal("Replaced", text);
}
public void UpdateVirtualDocument_UpdatesProvidedVirtualDocumentWithProvidedArgs_AndRecalcsSnapshot()
{
// Arrange
var textBuffer = new TestTextBuffer(new StringTextSnapshot(string.Empty));
var virtualDocument = new TestVirtualDocument();
using var document = new DefaultLSPDocument(Uri, textBuffer, new[] { virtualDocument });
var changes = Array.Empty <ITextChange>();
var originalSnapshot = document.CurrentSnapshot;
// Act
document.UpdateVirtualDocument <TestVirtualDocument>(changes, hostDocumentVersion: 1337, state: null);
// Assert
Assert.Equal(1337, virtualDocument.HostDocumentVersion);
Assert.Same(changes, virtualDocument.Changes);
Assert.NotEqual(originalSnapshot, document.CurrentSnapshot);
}
public void UpdateVirtualDocument_UpdatesProvidedVirtualDocumentWithProvidedArgs_AndRecalcsSnapshot()
{
// Arrange
var snapshot = Mock.Of <ITextSnapshot>(s => s.Version == Mock.Of <ITextVersion>());
var textBuffer = Mock.Of <ITextBuffer>(buffer => buffer.CurrentSnapshot == snapshot);
var virtualDocument = new TestVirtualDocument();
var document = new DefaultLSPDocument(Uri, textBuffer, new[] { virtualDocument });
var changes = Array.Empty <ITextChange>();
var originalSnapshot = document.CurrentSnapshot;
// Act
document.UpdateVirtualDocument <TestVirtualDocument>(changes, hostDocumentVersion: 1337);
// Assert
Assert.Equal(1337, virtualDocument.HostDocumentSyncVersion);
Assert.Same(changes, virtualDocument.Changes);
Assert.NotEqual(originalSnapshot, document.CurrentSnapshot);
}
public void TryGetVirtualCSharpDocument_CSharpDocument_ReturnsTrue()
{
// Arrange
var textBuffer = new Mock <ITextBuffer>(MockBehavior.Strict);
textBuffer.SetupGet(b => b.CurrentSnapshot).Returns((ITextSnapshot)null);
textBuffer.Setup(b => b.ChangeContentType(It.IsAny <IContentType>(), null)).Verifiable();
textBuffer.SetupGet(b => b.Properties).Returns(new PropertyCollection());
var testVirtualDocument = new TestVirtualDocument(Uri, textBuffer.Object);
var virtualDocumentMock = new Mock <VirtualDocument>(MockBehavior.Strict);
virtualDocumentMock.Setup(d => d.Dispose()).Verifiable();
using var lspDocument = new DefaultLSPDocument(Uri, Mock.Of <ITextBuffer>(MockBehavior.Strict), new[] { virtualDocumentMock.Object, testVirtualDocument });
// Act
var result = lspDocument.TryGetVirtualDocument <TestVirtualDocument>(out var virtualDocument);
// Assert
Assert.True(result);
Assert.Same(testVirtualDocument, virtualDocument);
}
public void UpdateVirtualDocument_UpdatesProvidedVirtualDocumentWithProvidedArgs_AndRecalcsSnapshot()
{
// Arrange
var textVersion = new Mock <ITextVersion>(MockBehavior.Strict);
textVersion.SetupGet(v => v.VersionNumber).Returns(0);
var snapshot = Mock.Of <ITextSnapshot>(s => s.Version == textVersion.Object, MockBehavior.Strict);
var textBuffer = Mock.Of <ITextBuffer>(buffer => buffer.CurrentSnapshot == snapshot, MockBehavior.Strict);
var virtualDocument = new TestVirtualDocument();
using var document = new DefaultLSPDocument(Uri, textBuffer, new[] { virtualDocument });
var changes = Array.Empty <ITextChange>();
var originalSnapshot = document.CurrentSnapshot;
// Act
document.UpdateVirtualDocument <TestVirtualDocument>(changes, hostDocumentVersion: 1337);
// Assert
Assert.Equal(1337, virtualDocument.HostDocumentVersion);
Assert.Same(changes, virtualDocument.Changes);
Assert.NotEqual(originalSnapshot, document.CurrentSnapshot);
}
public DefaultLSPDocumentManagerTest()
{
var contentType = Mock.Of <IContentType>(contentType =>
contentType.IsOfType("inert") == false &&
contentType.IsOfType("test") == true &&
contentType.TypeName == "test",
MockBehavior.Strict);
ChangeListeners = Enumerable.Empty <Lazy <LSPDocumentChangeListener, IContentTypeMetadata> >();
JoinableTaskContext = new JoinableTaskContext();
TextBuffer = new TestTextBuffer(new StringTextSnapshot(string.Empty));
TextBuffer.ChangeContentType(contentType, editTag: null);
var snapshot = TextBuffer.CurrentSnapshot;
Uri = new Uri("C:/path/to/file.razor");
UriProvider = Mock.Of <FileUriProvider>(provider => provider.GetOrCreate(TextBuffer) == Uri, MockBehavior.Strict);
Mock.Get(UriProvider).Setup(p => p.Remove(It.IsAny <ITextBuffer>())).Verifiable();
var testVirtualDocument = new TestVirtualDocument();
var lspDocument = new DefaultLSPDocument(Uri, TextBuffer, new[] { testVirtualDocument });
LSPDocumentSnapshot = lspDocument.CurrentSnapshot;
LSPDocument = lspDocument;
LSPDocumentFactory = Mock.Of <LSPDocumentFactory>(factory => factory.Create(TextBuffer) == LSPDocument, MockBehavior.Strict);
}
