public void SnapshotSpanSourceCodeReaderTest() {
var text = "hello world\r\nHello again!";
var buffer = new MockTextBuffer(text);
var snapshot = new MockTextSnapshot(buffer, text);
var reader = new SnapshotSpanSourceCodeReader(new SnapshotSpan(snapshot, new Span(0, text.Length)));
Assert.AreEqual(reader.Snapshot, snapshot);
Assert.AreEqual(reader.Position, 0);
var line = reader.ReadLine();
Assert.AreEqual(line, "hello world");
line = reader.ReadLine();
Assert.AreEqual(line, "Hello again!");
reader = new SnapshotSpanSourceCodeReader(new SnapshotSpan(snapshot, new Span(0, text.Length)));
int ch = reader.Peek();
Assert.AreEqual(ch, (int)'h');
char[] readBuf = new char[text.Length];
reader.Read(readBuf, 0, readBuf.Length);
Assert.AreEqual(new string(readBuf), text);
reader = new SnapshotSpanSourceCodeReader(new SnapshotSpan(snapshot, new Span(0, text.Length)));
Assert.AreEqual(reader.ReadToEnd(), text);
reader.Reset();
Assert.AreEqual(reader.ReadToEnd(), text);
reader.Close();
Assert.AreEqual(reader.Snapshot, null);
}
private void SnapshotCellTest(string fileContents, params ExpectedTag[] expected)
{
var snapshot = new TestUtilities.Mocks.MockTextSnapshot(new TestUtilities.Mocks.MockTextBuffer(fileContents), fileContents);
var ast = Parser.CreateParser(new TextSnapshotToTextReader(snapshot), PythonLanguageVersion.V34).ParseFile();
var tags = Microsoft.PythonTools.OutliningTaggerProvider.OutliningTagger.ProcessCellTags(snapshot, default(CancellationToken));
VerifyTags(snapshot, tags, expected);
}
public MockTextBuffer(string content, IContentType contentType, string filename = null) {
_snapshot = new MockTextSnapshot(this, content);
_contentType = contentType;
if (filename == null) {
filename = Path.Combine(TestData.GetTempPath(), Path.GetRandomFileName(), "file.py");
}
Properties[typeof(ITextDocument)] = new MockTextDocument(this, filename);
}
public MockTextSnapshotLine(MockTextSnapshot snapshot, string text, int lineNo, int startPos, string lineBreak) {
Debug.Assert(!text.EndsWith("\n"));
_snapshot = snapshot;
_text = text;
_lineNo = lineNo;
_startPos = startPos;
_lineBreak = lineBreak;
}
public MockTextSnapshot(MockTextBuffer buffer, string text, MockTextSnapshot prevVersion, params ITextChange[] changes)
{
_text = text;
_buffer = buffer;
_version = new MockTextVersion(prevVersion.Version.VersionNumber + 1, this);
((MockTextVersion)prevVersion.Version).SetNext(_version, changes);
_lines = MakeLines(_text).ToList();
}
#pragma warning restore 67
/// <summary>
/// Raises a fake changed low priority event
/// </summary>
public void RaiseChangedLowPriority() {
var changed = ChangedLowPriority;
if (changed != null) {
var oldSnapshot = _snapshot;
var newSnapshot = new MockTextSnapshot(this, _snapshot.GetText(), _snapshot);
_snapshot = newSnapshot;
changed(this, new TextContentChangedEventArgs(oldSnapshot, newSnapshot, EditOptions.None, null));
}
}
#pragma warning restore 67
/// <summary>
/// Raises a fake changed low priority event
/// </summary>
public void RaiseChangedLowPriority()
{
var changed = ChangedLowPriority;
if (changed != null)
{
var oldSnapshot = _snapshot;
var newSnapshot = new MockTextSnapshot(this, _snapshot.GetText(), _snapshot,
new MockTextChange(
new SnapshotSpan(_snapshot, 0, _snapshot.Length),
0,
_snapshot.GetText()
)
);
_snapshot = newSnapshot;
changed(this, new TextContentChangedEventArgs(oldSnapshot, newSnapshot, EditOptions.None, null));
}
}
public ITextSnapshot Replace(Span replaceSpan, string replaceWith)
{
var oldText = _snapshot.GetText();
string newText = oldText.Remove(replaceSpan.Start, replaceSpan.Length);
newText = newText.Insert(replaceSpan.Start, replaceWith);
_snapshot = new MockTextSnapshot(
this,
newText,
_snapshot,
new MockTextChange(
new SnapshotSpan(_snapshot, replaceSpan),
replaceSpan.Start,
replaceWith
)
);
return(_snapshot);
}
private void SnapshotOutlineTest(string fileContents, params ExpectedTag[] expected)
{
var snapshot = new TestUtilities.Mocks.MockTextSnapshot(new TestUtilities.Mocks.MockTextBuffer(fileContents), fileContents);
var ast = Parser.CreateParser(new TextSnapshotToTextReader(snapshot), PythonLanguageVersion.V34).ParseFile();
var walker = new OutliningWalker(ast);
ast.Walk(walker);
var protoTags = walker.GetTags();
var tags = protoTags.Select(x =>
OutliningTaggerProvider.OutliningTagger.GetTagSpan(
snapshot,
x.startIndex,
x.endIndex,
x.headerIndex
)
);
VerifyTags(snapshot, tags, expected);
}
public ITextSnapshot Replace(Span replaceSpan, string replaceWith)
{
var oldText = _snapshot.GetText();
string newText = oldText.Remove(replaceSpan.Start, replaceSpan.Length);
newText = newText.Insert(replaceSpan.Start, replaceWith);
var oldSnapshot = _snapshot;
_snapshot = new MockTextSnapshot(
this,
newText,
_snapshot,
new MockTextChange(
new SnapshotSpan(_snapshot, replaceSpan),
replaceSpan.Start,
replaceWith
)
);
if (Changed != null)
{
Changed(this, new TextContentChangedEventArgs(oldSnapshot, _snapshot, EditOptions.None, null));
}
return(_snapshot);
}
public MockTrackingSpan(MockTextSnapshot snapshot, int start, int length, SpanTrackingMode trackingMode = SpanTrackingMode.EdgeExclusive) {
_start = start;
_length = length;
_snapshot = snapshot;
_trackingMode = trackingMode;
switch(_trackingMode) {
case SpanTrackingMode.EdgeExclusive:
_startPoint = new MockTrackingPoint(snapshot, start, PointTrackingMode.Positive);
_endPoint = new MockTrackingPoint(snapshot, start + length, PointTrackingMode.Negative);
break;
case SpanTrackingMode.EdgeInclusive:
_startPoint = new MockTrackingPoint(snapshot, start, PointTrackingMode.Negative);
_endPoint = new MockTrackingPoint(snapshot, start + length, PointTrackingMode.Positive);
break;
case SpanTrackingMode.EdgeNegative:
_startPoint = new MockTrackingPoint(snapshot, start, PointTrackingMode.Negative);
_endPoint = new MockTrackingPoint(snapshot, start + length, PointTrackingMode.Negative);
break;
case SpanTrackingMode.EdgePositive:
_startPoint = new MockTrackingPoint(snapshot, start, PointTrackingMode.Positive);
_endPoint = new MockTrackingPoint(snapshot, start + length, PointTrackingMode.Positive);
break;
}
}
public MockTextBuffer(string content, IContentType contentType, string filename = "C:\\fob.py")
{
_snapshot = new MockTextSnapshot(this, content);
_contentType = contentType;
Properties[typeof(ITextDocument)] = new MockTextDocument(this, filename);
}
public MockTextVersion(int version, MockTextSnapshot snapshot) {
_version = version;
_snapshot = snapshot;
}
public MockTextVersion(int version, MockTextSnapshot snapshot)
{
_version = version;
_snapshot = snapshot;
_imageVersion = new MockTextImageVersion(this);
}
public MockTextEdit(MockTextSnapshot snapshot)
{
_snapshot = snapshot;
}
public MockTrackingSpan(MockTextSnapshot snapshot, int start, int length)
{
_start = start;
_length = length;
_snapshot = snapshot;
}
public ITextSnapshot Replace(Span replaceSpan, string replaceWith) {
var oldText = _snapshot.GetText();
string newText = oldText.Remove(replaceSpan.Start, replaceSpan.Length);
newText = newText.Insert(replaceSpan.Start, replaceWith);
_snapshot = new MockTextSnapshot(
this,
newText,
_snapshot,
new MockTextChange(
new SnapshotSpan(_snapshot, replaceSpan),
replaceSpan.Start,
replaceWith
)
);
return _snapshot;
}
public MockTrackingPoint(MockTextSnapshot snapshot, int position, PointTrackingMode mode = PointTrackingMode.Positive)
{
_position = position;
_snapshot = snapshot;
_mode = mode;
}
public MockTrackingPoint(MockTextSnapshot snapshot, int position, PointTrackingMode mode = PointTrackingMode.Positive, TrackingFidelityMode fidelity = TrackingFidelityMode.Forward) {
_position = position;
_snapshot = snapshot;
_mode = mode;
_fidelity = fidelity;
}
public MockTrackingPoint(MockTextSnapshot snapshot, int position, PointTrackingMode mode = PointTrackingMode.Positive) {
_position = position;
_snapshot = snapshot;
_mode = mode;
}
public MockTextEdit(MockTextSnapshot snapshot) {
_snapshot = snapshot;
}
public MockTextBuffer(string content, string filename = "C:\\fob.fs", string contentType = "F#")
{
_snapshot = new MockTextSnapshot(this, content);
_filename = filename;
_contentType = contentType;
}
public MockTrackingSpan(MockTextSnapshot snapshot, int start, int length) {
_start = start;
_length = length;
_snapshot = snapshot;
}
public MockTextVersion(int version, MockTextSnapshot snapshot)
{
_version = version;
_snapshot = snapshot;
}
public ITextSnapshot Replace(Span replaceSpan, string replaceWith) {
var oldText = _snapshot.GetText();
string newText = oldText.Remove(replaceSpan.Start, replaceSpan.Length);
newText = newText.Insert(replaceSpan.Start, replaceWith);
var oldSnapshot = _snapshot;
_snapshot = new MockTextSnapshot(
this,
newText,
_snapshot,
new MockTextChange(
new SnapshotSpan(_snapshot, replaceSpan),
replaceSpan.Start,
replaceWith
)
);
if (Changed != null)
Changed(this, new TextContentChangedEventArgs(oldSnapshot, _snapshot, EditOptions.None, null));
if (ChangedLowPriority != null)
ChangedLowPriority(this, new TextContentChangedEventArgs(oldSnapshot, _snapshot, EditOptions.None, null));
return _snapshot;
}
public MockTextBuffer(string content, string filename = "C:\\fob.fs", string contentType = "F#") {
_snapshot = new MockTextSnapshot(this, content);
_filename = filename;
_contentType = contentType;
}
public MockTextBuffer(string content, string filename = "C:\\untitled")
{
_snapshot = new MockTextSnapshot(this, content);
_filename = filename;
}
public MockTextBuffer(string content)
{
_snapshot = new MockTextSnapshot(this, content);
}
public MockTextBuffer(string content, string filename = "C:\\untitled") {
_snapshot = new MockTextSnapshot(this, content);
_filename = filename;
}
