public void Unlinked_Nodes_Are_Removed_From_Total()
{
var rootNode = _provider.GetRootNode(2);
var node1 = _provider.CreateNode(2);
var node2 = _provider.CreateNode(2);
rootNode.ChildrenAddresses.Add(node1.Address);
rootNode.ChildrenAddresses.Add(node2.Address);
_provider.Flush();
var newProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
rootNode = newProvider.GetRootNode(2);
newProvider.GetNode(node2.Address);
rootNode.ChildrenAddresses.RemoveRange(1, 1);
newProvider.Flush();
newProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
Assert.AreEqual(2, newProvider.MetaRecord.NumberOfNodes);
}
public void Initialize()
{
_session = new Session(new TestPlatform(), "root");
_manager = new TestRecordManager();
_provider = new RecordBTreeDataProvider <object>(
_session,
_manager, new BTreeNodeBsonSerializer <object>(), "Root");
}
public void Construction_Uses_Existing_Meta_Record()
{
var secondProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
Assert.AreEqual(_provider.MetaRecord.Record.Header.Address,
secondProvider.MetaRecord.Record.Header.Address);
}
public void Get_Node_Loads_From_Record()
{
var node = _provider.CreateNode(2);
var dataProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
var loadedNode = dataProvider.GetNode(node.Address);
Assert.AreEqual(node.Address, loadedNode.Address);
}
public void Get_RootNode_Returns_Same_Node()
{
_provider.GetRootNode(2);
_provider.Flush();
var newProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
newProvider.GetRootNode(2);
Assert.AreEqual(2, _manager.Records.Values.Count()); //metarecord and rootnode
}
public void Get_Node_Caches_Node()
{
var node = _provider.CreateNode(2);
var newProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
node = newProvider.GetNode(node.Address); // get with new provider
node.ChildrenAddresses.Add(12);
node = newProvider.GetNode(node.Address); //get it again
Assert.AreEqual(12, node.ChildrenAddresses[0]);
}
public void Flush_Updates_MetaRecord_NumberOfNodes()
{
var rootNode = _provider.GetRootNode(2);
var node1 = _provider.CreateNode(2);
var node2 = _provider.CreateNode(2);
rootNode.ChildrenAddresses.Add(node1.Address);
rootNode.ChildrenAddresses.Add(node2.Address);
_provider.Flush();
var newProvider = new RecordBTreeDataProvider <object>(
_session,
_manager,
new BTreeNodeBsonSerializer <object>(),
"Root");
Assert.AreEqual(3, newProvider.MetaRecord.NumberOfNodes);
}
