public void OnDocumentStructureChanged_IgnoresEditsThatAreOld()
{
// Arrange
using (var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
CreateDocumentTracker(),
Mock.Of <RazorTemplateEngineFactoryService>(),
new DefaultErrorReporter(),
Mock.Of <ICompletionBroker>()))
{
var called = false;
parser.DocumentStructureChanged += (sender, e) => called = true;
parser._latestChangeReference = new DefaultVisualStudioRazorParser.ChangeReference(null, new StringTextSnapshot(string.Empty));
var args = new DocumentStructureChangedEventArgs(
new SourceChange(0, 0, string.Empty),
new StringTextSnapshot(string.Empty),
TestRazorCodeDocument.CreateEmpty());
// Act
parser.OnDocumentStructureChanged(args);
// Assert
Assert.False(called);
}
}
public void OnDocumentStructureChanged_FiresForLatestTextBufferEdit()
{
// Arrange
var documentTracker = CreateDocumentTracker();
using (var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
documentTracker,
Mock.Of <RazorTemplateEngineFactoryService>(),
new DefaultErrorReporter(),
Mock.Of <ICompletionBroker>()))
{
var called = false;
parser.DocumentStructureChanged += (sender, e) => called = true;
var latestChange = new SourceChange(0, 0, string.Empty);
var latestSnapshot = documentTracker.TextBuffer.CurrentSnapshot;
parser._latestChangeReference = new DefaultVisualStudioRazorParser.ChangeReference(latestChange, latestSnapshot);
var args = new DocumentStructureChangedEventArgs(
latestChange,
latestSnapshot,
TestRazorCodeDocument.CreateEmpty());
// Act
parser.OnDocumentStructureChanged(args);
// Assert
Assert.True(called);
}
}
public void OnDocumentStructureChanged_FiresForLatestTextBufferEdit()
{
// Arrange
var documentTracker = CreateDocumentTracker();
using (var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
documentTracker,
ProjectEngineFactory,
new DefaultErrorReporter(),
Mock.Of <VisualStudioCompletionBroker>()))
{
var called = false;
parser.DocumentStructureChanged += (sender, e) => called = true;
var latestChange = new SourceChange(0, 0, string.Empty);
var latestSnapshot = documentTracker.TextBuffer.CurrentSnapshot;
parser._latestChangeReference = new BackgroundParser.ChangeReference(latestChange, latestSnapshot);
var codeDocument = TestRazorCodeDocument.CreateEmpty();
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(TestRazorSourceDocument.Create()));
var args = new BackgroundParserResultsReadyEventArgs(
parser._latestChangeReference,
codeDocument);
// Act
parser.OnDocumentStructureChanged(args);
// Assert
Assert.True(called);
}
}
public async Task GetLatestCodeDocumentAsync_NoPendingChangesReturnsImmediately()
{
// Arrange
var documentTracker = CreateDocumentTracker();
using (var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
documentTracker,
ProjectEngineFactory,
new DefaultErrorReporter(),
Mock.Of <VisualStudioCompletionBroker>()))
{
var latestChange = new SourceChange(0, 0, string.Empty);
var latestSnapshot = documentTracker.TextBuffer.CurrentSnapshot;
parser._latestChangeReference = new BackgroundParser.ChangeReference(latestChange, latestSnapshot);
var codeDocument = TestRazorCodeDocument.CreateEmpty();
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(TestRazorSourceDocument.Create()));
var args = new BackgroundParserResultsReadyEventArgs(
parser._latestChangeReference,
codeDocument);
parser.OnDocumentStructureChanged(args);
// Act - 1
var getLatestCodeDocumentTask = parser.GetLatestCodeDocumentAsync();
// Assert - 1
Assert.True(getLatestCodeDocumentTask.IsCompleted);
// Act - 2
var latestCodeDocument = await getLatestCodeDocumentTask;
// Assert - 2
Assert.Same(latestCodeDocument, codeDocument);
}
}
public void OnDocumentStructureChanged_FiresForOnlyLatestTextBufferReparseEdit()
{
// Arrange
var documentTracker = CreateDocumentTracker();
using (var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
documentTracker,
ProjectEngineFactory,
new DefaultErrorReporter(),
Mock.Of <VisualStudioCompletionBroker>()))
{
var called = false;
parser.DocumentStructureChanged += (sender, e) => called = true;
var latestSnapshot = documentTracker.TextBuffer.CurrentSnapshot;
parser._latestChangeReference = new BackgroundParser.ChangeReference(null, latestSnapshot);
var codeDocument = TestRazorCodeDocument.CreateEmpty();
codeDocument.SetSyntaxTree(RazorSyntaxTree.Parse(TestRazorSourceDocument.Create()));
var badArgs = new BackgroundParserResultsReadyEventArgs(
// This is a different reparse edit, shouldn't be fired for this call
new BackgroundParser.ChangeReference(null, latestSnapshot),
codeDocument);
var goodArgs = new BackgroundParserResultsReadyEventArgs(
parser._latestChangeReference,
codeDocument);
// Act - 1
parser.OnDocumentStructureChanged(badArgs);
// Assert - 1
Assert.False(called);
// Act - 2
parser.OnDocumentStructureChanged(goodArgs);
// Assert - 2
Assert.True(called);
}
}
public void OnDocumentStructureChanged_NoopsIfDisposed()
{
// Arrange
var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
CreateDocumentTracker(),
Mock.Of <RazorTemplateEngineFactoryService>(),
new DefaultErrorReporter(),
Mock.Of <ICompletionBroker>());
parser.Dispose();
// Act & Assert
parser.OnDocumentStructureChanged(new object());
}
public void OnDocumentStructureChanged_NoopsIfDisposed()
{
// Arrange
var parser = new DefaultVisualStudioRazorParser(
Dispatcher,
CreateDocumentTracker(),
ProjectEngineFactory,
new DefaultErrorReporter(),
Mock.Of <VisualStudioCompletionBroker>(MockBehavior.Strict));
parser.Dispose();
// Act & Assert
parser.OnDocumentStructureChanged(new object());
}
public void OnDocumentStructureChanged_IgnoresEditsThatAreOld()
{
// Arrange
using (var parser = new DefaultVisualStudioRazorParser(
JoinableTaskContext,
CreateDocumentTracker(),
ProjectEngineFactory,
new DefaultErrorReporter(),
Mock.Of <VisualStudioCompletionBroker>(MockBehavior.Strict)))
{
var called = false;
parser.DocumentStructureChanged += (sender, e) => called = true;
parser._latestChangeReference = new BackgroundParser.ChangeReference(null, new StringTextSnapshot(string.Empty));
var args = new BackgroundParserResultsReadyEventArgs(
new BackgroundParser.ChangeReference(new SourceChange(0, 0, string.Empty), new StringTextSnapshot(string.Empty)),
TestRazorCodeDocument.CreateEmpty());
// Act
parser.OnDocumentStructureChanged(args);
// Assert
Assert.False(called);
}
}
