private static void AssertAuditVariablesCount(string sourceCode, int expectedVariablesCount)
{
var tree = CSharpSyntaxTree.ParseText(sourceCode);
IAuditVariablesWalker walker = new AuditVariablesWalker();
AuditVariablePlaceholder[] insertedNodes=walker.Walk(ProjectName, DocumentPath,tree.GetRoot());
Assert.That(insertedNodes.Length, Is.EqualTo(expectedVariablesCount));
}
public void Should_InsertAuditVariableBeforeLocalVariable()
{
const string expectedNodePath = "Name.doc.SampleNamespace.SampleClass.SampleMethod";
const string sourceCode=@"namespace SampleNamespace
{
class SampleClass
{
public void SampleMethod()
{
int a=4;
}
}
}";
int methodStart = sourceCode.IndexOf("public void");
int expectedSpanPosition = sourceCode.IndexOf("int a", StringComparison.Ordinal) - methodStart;
var tree = CSharpSyntaxTree.ParseText(sourceCode);
IAuditVariablesWalker walker = new AuditVariablesWalker();
AuditVariablePlaceholder[] insertedAuditVariables=walker.Walk(ProjectName, DocumentPath,tree.GetRoot());
Assert.That(insertedAuditVariables.Length,Is.EqualTo(1));
Assert.That(insertedAuditVariables[0].DocumentPath, Is.EqualTo(DocumentPath));
Assert.That(insertedAuditVariables[0].NodePath, Is.EqualTo(expectedNodePath));
Assert.That(insertedAuditVariables[0].SpanStart, Is.EqualTo(expectedSpanPosition));
}