public void Visit_givenVisitor_callsVisitEdge()
{
var visitor = mMockRepository.DynamicMock<IGraphVisitor<string>>();
var node = CreateNode();
var edge = new Edge(node, node);
using (mMockRepository.Record())
{
Expect.Call(visitor.VisitEdge(null))
.IgnoreArguments()
.Return("graph")
.Repeat.Once();
}
using (mMockRepository.Playback())
{
edge.Visit(visitor);
}
}
public void Visit_missingVisitor_throwsException()
{
var node = CreateNode();
var edge = new Edge(node, node);
edge.Visit<string>(null);
}
public void Visit_givenVisitor_returnsVisitEdgeResult()
{
const string VisitEdgeResult = "graph";
var visitor = mMockRepository.DynamicMock<IGraphVisitor<string>>();
var node = CreateNode();
var edge = new Edge(node, node);
using (mMockRepository.Record())
{
Expect.Call(visitor.VisitEdge(null))
.IgnoreArguments()
.Return(VisitEdgeResult)
.Repeat.Once();
}
var result = edge.Visit(visitor);
Assert.That(result, Is.EqualTo(VisitEdgeResult));
}