public void ReadNodeDataFields_Reads_Fields_Into_NodeAttribs_From_StarNodeData_Section(int index, string[] dataFields, string[] dataFieldNames, Type[] dataTypes, int [] srcFieldIndices)
{
// simulate initialized network
var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(3, 0, false, true, false);
var builder = new Blob.TestSupport.Network.DataAttributesBuilder();
builder.AddColumns((INodeAttributes)net, dataTypes, dataFieldNames, false);
var reader = new VnaAdjListReader();
reader.State = VnaFileSection.NodeData;
// simulate the list of HeaderField objects that have already been created in 1st pass
for (int i = 0; i < dataFields.Length;i++ )
reader.NodeDataHeaders.Add(new HeaderField(dataFieldNames[i], VnaFileSection.NodeData, srcFieldIndices[i], null) { AttribColumnIndex = srcFieldIndices[i] });
int targetNodeIndex = 1;
INode owner = net.Nodes[targetNodeIndex];
reader.ReadNodeDataFields(dataFields, net, targetNodeIndex, reader.NodeDataHeaders);
for (int i = 0; i < dataTypes.Length; i++)
{
if(dataTypes[i] == typeof(string))
{
var val = net.NodeData.GetValue<string>(owner, i);
Assert.Equal(dataFields[i], val);
}
else if (dataTypes[i] == typeof(int))
{
var val = net.NodeData.GetValue<int>(owner, i);
Assert.Equal(Convert.ToInt32(dataFields[i]), val);
}
else if (dataTypes[i] == typeof(float))
{
var val = net.NodeData.GetValue<float>(owner, i);
Assert.Equal(Convert.ToSingle(dataFields[i]), val);
}
else if (dataTypes[i] == typeof(double))
{
var val = net.NodeData.GetValue<double>(owner, i);
Assert.Equal(Convert.ToDouble(dataFields[i]), val);
}
else
{
Assert.True(false); //force a fail
}
}
}
public void ReadNodeDataFields_Throws_If_Not_In_Required_State(VnaFileSection state)
{
var reader = new VnaAdjListReader();
reader.State = state;
var ex = Assert.Throws<InvalidOperationException>(() => reader.ReadNodeDataFields(new string[] { "X" }, null, 0, null));
}
public void ReadNodeDataFields_Maps_First_Field_As_Key_To_Node(int index, string[] dataFields, string[] dataFieldNames, Type[] dataTypes, int[] srcFieldIndices)
{
// simulate initialized network
var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(3, 0, false, true, false);
var builder = new Blob.TestSupport.Network.DataAttributesBuilder();
builder.AddColumns((INodeAttributes)net, dataTypes, dataFieldNames, false);
var reader = new VnaAdjListReader();
reader.State = VnaFileSection.NodeData;
// simulate the list of HeaderField objects that have already been created in 1st pass
for (int i = 0; i < dataFields.Length; i++)
reader.NodeDataHeaders.Add(new HeaderField(dataFieldNames[i], VnaFileSection.NodeData, srcFieldIndices[i], null) { AttribColumnIndex = srcFieldIndices[i] });
int targetNodeIndex = 1;
reader.ReadNodeDataFields(dataFields, net, targetNodeIndex, reader.NodeDataHeaders);
Assert.Equal(1, reader.NodeKeyToNodeIndexMap.Count);
INode node = net.Nodes[targetNodeIndex];
Assert.True(reader.NodeKeyToNodeIndexMap.ContainsKey(dataFields[0]));
Assert.Equal(node, reader.NodeKeyToNodeIndexMap[dataFields[0]]);
}