public void Constuctor_WithNode_Should()
{
var node = GetTagNode();
var tree = new NodeTree(node);
Assert.AreEqual(node, tree.Root);
Assert.AreEqual(node, tree.Current);
}
public void FirstChild_WithNodeWithoutChildren_ShouldReturnFalseAndNotMoveCurrent()
{
var node = GetTagNode();
var tree = new NodeTree(node);
var result = tree.FirstChild();
Assert.IsFalse(result);
Assert.AreEqual(node, tree.Current);
}
public void LastChild_WithNodeWithChildren_ShouldReturnTrueAndMoveCurrentToCurrentsLastChild()
{
var first = GetTagNode();
var last = GetTagNode();
var node = GetTagNodeWithChildren(first, last);
var tree = new NodeTree(node);
var result = tree.LastChild();
Assert.IsTrue(result);
Assert.AreEqual(last, tree.Current);
}
/// <summary>
///
/// </summary>
/// <param name="selector"></param>
/// <param name="builder"></param>
public HtmlBuilder(string selector, IHtmlTreeBuilder builder)
{
_builder = builder;
_selector = selector;
if (string.IsNullOrEmpty(selector))
{
throw new ArgumentException("A selector is required to seed the node tree.");
}
_nodeTree = _builder.Build(_selector);
}
public void Next_WithNodeThatHasNextSibling_ShouldReturnTrueAndMoveCurrentToCurrentsNextSibling()
{
var next = GetTagNode();
var node = GetTagNodeWithNextSibling(next);
var tree = new NodeTree(node);
var result = tree.Next();
Assert.IsTrue(result);
Assert.AreEqual(next, tree.Current);
}
public void Constuctor_WithNullNode_ShouldThrowArgumentNullException()
{
Node node = null;
var tree = new NodeTree(node);
}
public void Constuctor_WithNullNodeList_ShouldThrowArgumentNullException()
{
var tree = new NodeTree(null);
}
public void ToString_WithNodeWithSiblings_ShouldReturnANodeWithSiblings()
{
var next = GetTagNode();
var node = GetTagNodeWithNextSibling(next);
var tree = new NodeTree(node);
Assert.AreEqual("<div></div><div></div>", tree.ToString());
}
public void ToString_WithNodeWithoutChildrenOrSiblings_ShouldReturnASimpleNode()
{
var node = GetTagNode();
var tree = new NodeTree(node);
Assert.AreEqual("<div></div>", tree.ToString());
}
public void ToString_WithNodeWithChildren_ShouldReturnANodeWithChildren()
{
var first = GetTagNode();
var last = GetTagNode();
var node = GetTagNodeWithChildren(first, last);
var tree = new NodeTree(node);
Assert.AreEqual("<div><div></div><div></div></div>", tree.ToString());
}
public void Previous_WithNodeWithoutPreviousSibling_ShouldReturnFalseAndNotMoveCurrent()
{
var node = GetTagNode();
var tree = new NodeTree(node);
var result = tree.Previous();
Assert.IsFalse(result);
Assert.AreEqual(node, tree.Current);
}
public void Previous_WithNodeThatHasPreviousSibling_ShouldReturnTrueAndMoveCurrentToCurrentsPreviousSibling()
{
var prev = GetTagNode();
var node = GetTagNodeWithPrevSibling(prev);
var tree = new NodeTree(node);
var result = tree.Previous();
Assert.IsTrue(result);
Assert.AreEqual(prev, tree.Current);
}
public void Parent_WithNodeWithParent_ShouldReturnTrueAndMoveCurrentToCurrentsParent()
{
var parent = GetTagNode();
var node = GetTagNodeWithParent(parent);
var tree = new NodeTree(node);
var result = tree.Parent();
Assert.IsTrue(result);
Assert.AreEqual(parent, tree.Current);
}