public void LiteDbMutableNode_fails_on_removing_if_node_has_child_nodes()
{
// ARRANGE
var child = new LiteDbMutableNode <int>(this.nodes, new BsonDocument(), "a");
var secondChild = new LiteDbMutableNode <int>(this.nodes, new BsonDocument(), "b");
var node = new LiteDbMutableNode <int>(this.nodes, this.rootDocument).AddChild(child).AddChild(secondChild);
var grandChild = new LiteDbMutableNode <int>(this.nodes, new BsonDocument(), "c");
child.AddChild(grandChild);
// ACT
var result = node.RemoveAllChildNodes(recurse: false);
// ASSERT
// node has a child now
Assert.False(result);
Assert.True(node.HasChildNodes);
// check db
// all nodes are still there
Assert.Equal(4, this.nodes.FindAll().Count());
}
public void LiteDbMutableNode_RemoveAllChildNodes_returns_false_if_no_nodes_have_been_deleted()
{
// ARRANGE
var node = new LiteDbMutableNode <int>(this.nodes, this.rootDocument);
// ACT
var result = node.RemoveAllChildNodes(recurse: false);
// ASSERT
// node has a child now
Assert.False(result);
Assert.False(node.HasChildNodes);
}
public void LiteDbMutableNode_removes_all_childnodes_recursivly()
{
// ARRANGE
// <node>
// / \
// a b
// /
// c
var grandChild = new LiteDbMutableNode <int>(this.nodes, new BsonDocument(), "c");
var child = new LiteDbMutableNode <int>(this.nodes, new BsonDocument(), "a").AddChild(grandChild);
var secondChild = new LiteDbMutableNode <int>(this.nodes, new BsonDocument(), "b");
var node = new LiteDbMutableNode <int>(this.nodes, this.rootDocument).AddChild(child).AddChild(secondChild);
// ACT
var result = node.RemoveAllChildNodes(recurse: true);
// ASSERT
// descendants have been removed
Assert.True(result);
Assert.False(node.HasChildNodes);
var(found, addedChild) = node.TryGetChildNode("a");
Assert.False(found);
Assert.False(node.ChildNodes.Any());
// check db
// only the node is there
var rootDoc = this.nodes.FindAll().Single();
Assert.NotNull(rootDoc);
Assert.True(rootDoc.TryGetValue("cn", out var childNodesDoc));
Assert.Equal(0, childNodesDoc.AsDocument.Count);
}