public void RemoveNodeHierachyWriter_removes_childNodes_of_given_node()
{
// ARRANGE
var childNodeMock = new Mock <NodeType>();
var childNode = childNodeMock.Object;
var startNodeMock = new Mock <NodeType>();
startNodeMock
.Setup(n => n.RemoveChild(childNode))
.Returns(startNodeMock.Object);
startNodeMock
.Setup(n => n.HasChildNodes)
.Returns(true);
startNodeMock
.Setup(n => n.ChildNodes)
.Returns(new[] { childNodeMock.Object });
var writer = new RemoveNodeHierarchyWriter <string, NodeType>();
// ACT
var result = writer.RemoveChildNodes(startNodeMock.Object, out var childNodesWereRemoved);
// ASSERT
Assert.Same(result, startNodeMock.Object);
Assert.True(childNodesWereRemoved);
startNodeMock.Verify(n => n.RemoveChild(childNodeMock.Object), Times.Once());
startNodeMock.VerifyAll();
}
public void RemoveNodeHierachyWriter_ignores_if_node_childNodes_exist()
{
// ARRANGE
var startNodeMock = new Mock <NodeType>();
startNodeMock
.Setup(n => n.HasChildNodes)
.Returns(false);
var writer = new RemoveNodeHierarchyWriter <string, NodeType>();
// ACT
var result = writer.RemoveChildNodes(startNodeMock.Object, out var childNodesWereRemoved);
// ASSERT
Assert.Same(result, startNodeMock.Object);
Assert.False(childNodesWereRemoved);
startNodeMock.Verify(n => n.RemoveChild(It.IsAny <NodeType>()), Times.Never());
startNodeMock.VerifyAll();
}