public async Task Syntax_Tree_Is_Unchanged_When_Given_No_Augmentations()
{
// arrange
var document = Sources.GetDocument(Sources.simple);
var syntaxTree = await document.GetSyntaxTreeAsync();
var rewriter = new InstrumentationSyntaxRewriter
(
Enumerable.Empty <SyntaxNode>(),
new VariableLocationMap(),
new AugmentationMap()
);
// act
var newTree = rewriter.ApplyToTree(syntaxTree);
// assert
Assert.True(syntaxTree.IsEquivalentTo(newTree));
}
public RewriterVariableLocationTests()
{
MarkupTestFile.GetSpans(Sources.withNonAssignedLocals, out var code, out ImmutableArray <TextSpan> _);
var document = Sources.GetDocument(code, true);
var syntaxTree = document.GetSyntaxTreeAsync().Result;
var instrumentedNodes = syntaxTree.GetRoot()
.DescendantNodes()
.Where(n => n is StatementSyntax);
var symbols = document.GetSemanticModelAsync().Result.LookupSymbols(250)
.Where(symbol => symbol.Kind == SymbolKind.Local);
var a = symbols.First(symbol => symbol.Name == "a");
var aLocations = new[]
{
new VariableLocation(a, 12, 12, 12, 13),
new VariableLocation(a, 9, 9, 16, 21)
};
var s = symbols.First(symbol => symbol.Name == "s");
var sLocations = new[]
{
new VariableLocation(s, 8, 8, 19, 20),
new VariableLocation(s, 11, 11, 12, 13)
};
var locationMap = new VariableLocationMap();
locationMap.AddLocations(a, aLocations);
locationMap.AddLocations(s, sLocations);
var rewriter = new InstrumentationSyntaxRewriter(
instrumentedNodes,
locationMap,
new AugmentationMap()
);
var rewrittenProgramWithWhitespace = rewriter.ApplyToTree(syntaxTree).ToString();
rewrittenProgram = TestUtils.RemoveWhitespace(rewrittenProgramWithWhitespace);
}
public async Task Syntax_Tree_Has_Parameters_When_Augmentation_Has_Parameters()
{
// arrange
var document = Sources.GetDocument(Sources.withMultipleMethodsAndComplexLayout);
var syntaxTree = await document.GetSyntaxTreeAsync();
var statement = (StatementSyntax)syntaxTree.GetRoot().DescendantNodes().Single(n => n.ToString() == @"Console.WriteLine(""Entry Point"");");
var parameters = (await document.GetSemanticModelAsync()).LookupSymbols(310).Where(s => s.Kind == SymbolKind.Parameter);
var augmentations = new[] { new Augmentation(statement, null, null, parameters, null) };
var augMap = new AugmentationMap(augmentations.ToArray());
var rewriter = new InstrumentationSyntaxRewriter(
augMap.Data.Keys,
new VariableLocationMap(),
augMap
);
// act
var newTree = rewriter.ApplyToTree(syntaxTree);
var treeString = newTree.ToString();
// assert
Assert.Contains("\\\"name\\\":\\\"args\\\"", treeString);
}
private async Task FindAndValidateVariablesAsync(string markup)
{
MarkupTestFile.GetNamedSpans(
markup,
out var text,
out IDictionary <string, ImmutableArray <TextSpan> > spans);
var document = Sources.GetDocument(text);
var fileLineLocationSpans = ConvertSpans(spans, await document.GetTextAsync());
var visitor = new InstrumentationSyntaxVisitor(document, await document.GetSemanticModelAsync());
var locations = visitor.VariableLocations.Data.ToDictionary(
key => key.Key.Name,
values => values.Value.Select(location => location.ToLinePositionSpan()));
foreach (var kv in locations)
{
var expected = new HashSet <LinePositionSpan>(fileLineLocationSpans[kv.Key]);
var actual = new HashSet <LinePositionSpan>(kv.Value);
Assert.Equal(expected, actual);
}
}