예제 #1
0
        public void ReadEdgePropertyFields_Creates_An_Edge(int index, int nodeCount, string[] dataFields, int[] nodeIndices, string[] dataFieldNames, Type[] dataTypes, int[] srcFieldIndices)
        {
            // simulate initialized network
            var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(nodeCount, 0, false, false, true);
            var builder = new Blob.TestSupport.Network.DataAttributesBuilder();
            builder.AddColumns((IEdgeAttributes)net, dataTypes, dataFieldNames, false);

            // get actual nodes
            INode nodeA = net.Nodes[nodeIndices[0]];
            INode nodeB = net.Nodes[nodeIndices[1]];

            var reader = new VnaAdjListReader();
            reader.State = VnaFileSection.EdgeData;
            // simulate already the populated NodeKeyToNodeIndexMap
            reader.NodeKeyToNodeIndexMap.Add(dataFields[0], nodeA);
            reader.NodeKeyToNodeIndexMap.Add(dataFields[1], nodeB);

            // simulate the list of HeaderField objects that have already been created in 1st pass
            for (int i = 0; i < dataFields.Length;i++ )
                reader.EdgeDataHeaders.Add(new HeaderField("f-" + i.ToString(), VnaFileSection.EdgeData, i, null) { AttribColumnIndex = i });

            Assert.Equal(0, net.EdgeCount);
            reader.ReadEdgeDataFields(dataFields, net, reader.EdgeDataHeaders);

            Assert.Equal(1, net.EdgeCount);
            IEdge edge = net.Edges[0];
            Assert.Same(nodeA, edge.SourceNode);
            Assert.Same(nodeB, edge.DestinationNode);
        }
예제 #2
0
        public void ReadEdgePropertyFields_Reads_Fields_Into_EdgeAttribs_From_StarEdgeData_Section(int index, int nodeCount, string[] dataFields, int[] nodeIndices, string[] dataFieldNames, Type[] dataTypes, int[] srcFieldIndices)
        {
            // simulate initialized network
            var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(nodeCount, 0, false, true, true);
            var builder = new Blob.TestSupport.Network.DataAttributesBuilder();
            builder.AddColumns((IEdgeAttributes)net, dataTypes, dataFieldNames, false);

            var reader = new VnaAdjListReader();
            reader.State = VnaFileSection.EdgeData;
            // simulate already the populated NodeKeyToNodeIndexMap
            INode nodeA = net.Nodes[nodeIndices[0]];
            INode nodeB = net.Nodes[nodeIndices[1]];
            reader.NodeKeyToNodeIndexMap.Add(dataFields[0], nodeA);
            reader.NodeKeyToNodeIndexMap.Add(dataFields[1], nodeB);

            // simulate the list of HeaderField objects that have already been created in 1st pass
            for (int i = 0; i < dataFields.Length; i++)
                reader.EdgeDataHeaders.Add(new HeaderField("f-" + i.ToString(), VnaFileSection.EdgeData, i, null) { AttribColumnIndex = i });

            Assert.Equal(0, net.EdgeCount);
            reader.ReadEdgeDataFields(dataFields, net, reader.EdgeDataHeaders);

            IEdge owner = net.Edges[0];
            for (int i = 2; i < dataTypes.Length; i++)
            {
                if (dataTypes[i] == typeof(string))
                {
                    var val = net.EdgeData.GetValue<string>(owner, i);
                    Assert.Equal(dataFields[i], val);
                }
                else if (dataTypes[i] == typeof(int))
                {
                    var val = net.EdgeData.GetValue<int>(owner, i);
                    Assert.Equal(Convert.ToInt32(dataFields[i]), val);
                }
                else if (dataTypes[i] == typeof(float))
                {
                    var val = net.EdgeData.GetValue<float>(owner, i);
                    Assert.Equal(Convert.ToSingle(dataFields[i]), val);
                }
                else if (dataTypes[i] == typeof(double))
                {
                    var val = net.EdgeData.GetValue<double>(owner, i);
                    Assert.Equal(Convert.ToDouble(dataFields[i]), val);
                }
                else
                {
                    Assert.True(false); //force a fail
                }
            }
        }
예제 #3
0
 public void ReadEdgeDataFields_Throws_If_Not_In_Required_State(VnaFileSection state)
 {
     var reader = new VnaAdjListReader();
     reader.State = state;
     var ex = Assert.Throws<InvalidOperationException>(() => reader.ReadEdgeDataFields(new string[] { "X" }, null, null));
 }