public void IntermediateNodeWalker_Visit_TraversesEntireGraph() { // Arrange var walker = new DerivedIntermediateNodeWalker(); var nodes = new IntermediateNode[] { new BasicIntermediateNode("Root"), new BasicIntermediateNode("Root->A"), new BasicIntermediateNode("Root->B"), new BasicIntermediateNode("Root->B->1"), new BasicIntermediateNode("Root->B->2"), new BasicIntermediateNode("Root->C"), }; var builder = new DefaultRazorIntermediateNodeBuilder(); builder.Push(nodes[0]); builder.Add(nodes[1]); builder.Push(nodes[2]); builder.Add(nodes[3]); builder.Add(nodes[4]); builder.Pop(); builder.Add(nodes[5]); var root = builder.Pop(); // Act walker.Visit(root); // Assert Assert.Equal(nodes, walker.Visited.ToArray()); }
public void IntermediateNodeWalker_Visit_SetsParentAndAncestors() { // Arrange var walker = new DerivedIntermediateNodeWalker(); var nodes = new IntermediateNode[] { new BasicIntermediateNode("Root"), new BasicIntermediateNode("Root->A"), new BasicIntermediateNode("Root->B"), new BasicIntermediateNode("Root->B->1"), new BasicIntermediateNode("Root->B->2"), new BasicIntermediateNode("Root->C"), }; var ancestors = new Dictionary <string, string[]>() { { "Root", new string[] { } }, { "Root->A", new string[] { "Root" } }, { "Root->B", new string[] { "Root" } }, { "Root->B->1", new string[] { "Root->B", "Root" } }, { "Root->B->2", new string[] { "Root->B", "Root" } }, { "Root->C", new string[] { "Root" } }, }; walker.OnVisiting = (n) => { Assert.Equal(ancestors[((BasicIntermediateNode)n).Name], walker.Ancestors.Cast <BasicIntermediateNode>().Select(b => b.Name)); Assert.Equal(ancestors[((BasicIntermediateNode)n).Name].FirstOrDefault(), ((BasicIntermediateNode)walker.Parent)?.Name); }; var builder = new DefaultRazorIntermediateNodeBuilder(); builder.Push(nodes[0]); builder.Add(nodes[1]); builder.Push(nodes[2]); builder.Add(nodes[3]); builder.Add(nodes[4]); builder.Pop(); builder.Add(nodes[5]); var root = builder.Pop(); // Act & Assert walker.Visit(root); }
public void Add_AddsToChildrenAndSetsParent() { // Arrange var builder = new DefaultRazorIntermediateNodeBuilder(); var parent = new BasicIntermediateNode(); builder.Push(parent); var node = new BasicIntermediateNode(); // Act builder.Add(node); // Assert Assert.Same(parent, builder.Current); Assert.Collection(parent.Children, n => Assert.Same(node, n)); }
public void Insert_AddsToChildren_NonEmpyCollection_AtEnd() { // Arrange var builder = new DefaultRazorIntermediateNodeBuilder(); var parent = new BasicIntermediateNode(); builder.Push(parent); var child = new BasicIntermediateNode(); builder.Add(child); var node = new BasicIntermediateNode(); // Act builder.Insert(1, node); // Assert Assert.Same(parent, builder.Current); Assert.Collection(parent.Children, n => Assert.Same(child, n), n => Assert.Same(node, n)); }