public void Push_WhenEmpty_AddsNode()
{
// Arrange
var builder = new DefaultRazorIntermediateNodeBuilder();
var node = new BasicIntermediateNode();
// Act
builder.Push(node);
// Assert
Assert.Same(node, builder.Current);
}
public void Replace_ThrowsForNodeNotFound()
{
// Arrange
var parent = new BasicIntermediateNode("Parent");
var node1 = new BasicIntermediateNode("Node1");
var reference = new IntermediateNodeReference(parent, node1);
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(() => reference.Replace(new BasicIntermediateNode("_")));
Assert.Equal("The reference is invalid. The node 'Node1' could not be found as a child of 'Parent'.", exception.Message);
}
public void Replace_ThrowsForReadOnlyCollection()
{
// Arrange
var parent = new BasicIntermediateNode("Parent", IntermediateNodeCollection.ReadOnly);
var node1 = new BasicIntermediateNode("Node1");
var reference = new IntermediateNodeReference(parent, node1);
// Act & Assert
var exception = Assert.Throws <InvalidOperationException>(() => reference.Replace(new BasicIntermediateNode("_")));
Assert.Equal("The node 'Parent' has a read-only child collection and cannot be modified.", exception.Message);
}
public void Pop_SingleNodeDepth_RemovesAndReturnsNode()
{
// Arrange
var builder = new DefaultRazorIntermediateNodeBuilder();
var node = new BasicIntermediateNode();
builder.Push(node);
// Act
var result = builder.Pop();
// Assert
Assert.Same(node, result);
Assert.Null(builder.Current);
}
public void Push_WhenNonEmpty_SetsUpChild()
{
// Arrange
var builder = new DefaultRazorIntermediateNodeBuilder();
var parent = new BasicIntermediateNode();
builder.Push(parent);
var node = new BasicIntermediateNode();
// Act
builder.Push(node);
// Assert
Assert.Same(node, builder.Current);
Assert.Collection(parent.Children, n => Assert.Same(node, n));
}
public void Insert_AddsToChildren_EmptyCollection()
{
// Arrange
var builder = new DefaultRazorIntermediateNodeBuilder();
var parent = new BasicIntermediateNode();
builder.Push(parent);
var node = new BasicIntermediateNode();
// Act
builder.Insert(0, node);
// Assert
Assert.Same(parent, builder.Current);
Assert.Collection(parent.Children, n => Assert.Same(node, n));
}
public void Build_PopsMultipleLevels()
{
// Arrange
var builder = new DefaultRazorIntermediateNodeBuilder();
var document = new DocumentIntermediateNode();
builder.Push(document);
var node = new BasicIntermediateNode();
builder.Push(node);
// Act
var result = builder.Build();
// Assert
Assert.Same(document, result);
Assert.Null(builder.Current);
}
public void InsertAfter_SingleNode_AddsNodeAfterNode_AtEnd()
{
// Arrange
var parent = new BasicIntermediateNode("Parent");
var node1 = new BasicIntermediateNode("Node1");
var node2 = new BasicIntermediateNode("Node2");
var node3 = new BasicIntermediateNode("Node3");
parent.Children.Add(node1);
parent.Children.Add(node2);
var reference = new IntermediateNodeReference(parent, node2);
// Act
reference.InsertAfter(node3);
// Assert
Assert.Equal(new[] { node1, node2, node3, }, parent.Children);
}
public void InsertAfter_MultipleNodes_AddsNodesAfterNode()
{
// Arrange
var parent = new BasicIntermediateNode("Parent");
var node1 = new BasicIntermediateNode("Node1");
var node2 = new BasicIntermediateNode("Node2");
var node3 = new BasicIntermediateNode("Node3");
var node4 = new BasicIntermediateNode("Node4");
parent.Children.Add(node1);
parent.Children.Add(node4);
var reference = new IntermediateNodeReference(parent, node1);
// Act
reference.InsertAfter(new[] { node2, node3 });
// Assert
Assert.Equal(new[] { node1, node2, node3, node4, }, parent.Children);
}
public void Remove_RemovesNode()
{
// Arrange
var parent = new BasicIntermediateNode("Parent");
var node1 = new BasicIntermediateNode("Node1");
var node2 = new BasicIntermediateNode("Node2");
var node3 = new BasicIntermediateNode("Node3");
parent.Children.Add(node1);
parent.Children.Add(node3);
parent.Children.Add(node2);
var reference = new IntermediateNodeReference(parent, node3);
// Act
reference.Remove();
// Assert
Assert.Equal(new[] { node1, node2, }, parent.Children);
}
public virtual void VisitBasic(BasicIntermediateNode node)
{
VisitDefault(node);
}