public void Write_Writes_Out_The_Vna_File(string inFileName, string outFileName, int defaultNodeMapIndex, int defaultEdgeMapIndex, bool exportNodeData, bool exportEdgeData, bool isDirected)
{
var basicAdjListWriter = new VNABasicAdjListWriter();
IBasicAdjList net = null;
using (var reader = new VnaAdjListReader())
{
reader.File = Path.Combine(_dataDir, inFileName);
reader.Read();
net = reader.Network as IBasicAdjList;
}
string outputFile = Path.Combine(_testDir, outFileName);
basicAdjListWriter.NodeIdentifierAttributeIndex = defaultNodeMapIndex;
basicAdjListWriter.EdgeIdentifierAttributeIndex = defaultEdgeMapIndex;
basicAdjListWriter.ExportNodeAttributes = exportNodeData;
basicAdjListWriter.ExportEdgeAttributes = exportEdgeData;
basicAdjListWriter.FileName = outputFile;
basicAdjListWriter.InputNetwork = net;
basicAdjListWriter.Write();
bool exists = File.Exists(outputFile);
Assert.True(exists);
}
public void Clean_Removes_Empty_Strings_From_Fields(int id, string [] inputs, string[] expectedResults)
{
var reader = new VnaAdjListReader();
var fields = reader.Clean(inputs);
Assert.NotNull(fields);
Assert.Equal(expectedResults.Length, fields.Length);
for (int i = 0; i < expectedResults.Length; i++)
{
Assert.Equal(expectedResults[i], fields[i]);
}
}
public void Reads_With_Items_That_Have_Known_Data_Field_Format_Issues(int testItemId)
{
// test items with known issues!
var item = _data.TestItemsWithKnownErrors[testItemId];
var reader = new VnaAdjListReader();
reader.File = Path.Combine(_dataPath, item.FileName);
reader.Read();
var result = reader.Network as IBasicAdjList;
Assert.Null(result);
Assert.True(reader.ErrorsHaveOccurred);
}
public void CheckForAndManageNodeSizeCase_Adds_Node_Height_Attrib_If_Size_Is_Found(int index, string[] headerNames, string[] expectedHeaderNameOrder)
{
// assumes size has been identified but changed to Constant.NodeWidth already
var nodePropertyHeaders = new List<HeaderField>();
// simulate already constructed list of NodePropertyHeaders
for (int i = 0; i < headerNames.Length; i++)
{
var name = headerNames[i];
nodePropertyHeaders.Add(new HeaderField(name, VnaFileSection.NodeProperties, i, null));
}
var reader = new VnaAdjListReader();
reader.CheckForAndManageNodeSizeCase(nodePropertyHeaders);
Assert.Equal(expectedHeaderNameOrder.Length, nodePropertyHeaders.Count);
for(int i=0; i<expectedHeaderNameOrder.Length; i++)
{
Assert.Equal(expectedHeaderNameOrder[i], nodePropertyHeaders[i].AttribColName);
}
}
public void CreateNodeAttribs_Adds_Cols_To_NodeAttribs_Based_On_Headers_Passed_In(int index, string[] headerNames, Type[] dataTypes, HeaderMatchType[] matchTypes)
{
var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(3, 0, false, true, false);
var headers = new List<HeaderField>();
for (int i = 0; i < headerNames.Length; i++)
{
var name = headerNames[i];
headers.Add(new HeaderField(name, VnaFileSection.NodeData, i, null) {AttribColumnType = dataTypes[i]});
}
Assert.Equal(0, net.NodeDataAttributeCount);
var reader = new VnaAdjListReader();
reader.CreateNodeAttribs(net, headers);
Assert.Equal(headerNames.Length, net.NodeDataAttributeCount);
for (int i = 0; i < dataTypes.Length; i++)
{
Assert.Equal(dataTypes[i], net.NodeDataAttributeTypes[i]);
Assert.Equal(headerNames[i], net.NodeDataAttributeNames[i]);
}
}
public void Read_Input_File_And_Verify_NodeAttribs_From_NodeProperties_Section(int testItemId)
{
_vnaReader = new VnaAdjListReader();
var item = _data.TestItems[testItemId];
var reader = new VnaAdjListReader();
reader.File = Path.Combine(_dataPath, item.FileName);
reader.Read();
var result = reader.Network as IBasicAdjList;
Assert.NotNull(result);
bool containsName = false;
bool matchesType = false;
Type tmpType = null;
for (int i = 0; i < item.NodePropertyHeaderCountExpected; i++)
{
for (int j = 0; j < result.NodeDataAttributeCount; j++)
{
if (item.NodePropertyHeadersExpected[i] == result.NodeDataAttributeNames[j])
{
// find the expected header name in the NodeData and match its expcted type
containsName = true;
matchesType = VnaFileTestItem.IsMatch(item.NodePropertyTypesExpected[i], result.NodeDataAttributeTypes[j]);
tmpType = result.NodeDataAttributeTypes[j];
break;
}
}
Assert.True(containsName);
Assert.True(matchesType);
containsName = false;
matchesType = false;
}
}
public void ReadNodePropertyFields_Throws_If_Not_In_Required_State(VnaFileSection state)
{
var reader = new VnaAdjListReader();
reader.State = state;
var ex = Assert.Throws<InvalidOperationException>(() => reader.ReadNodePropertyFields(new string[] { "X" }, null, -1, 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]]);
}
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
}
}
}
public void RemoveDuplicatesFromSecondList_Removes_Duplicates_From_Second_List( int index, string[] inputs1, string[] inputs2, string[] expectedResults2)
{
var reader = new VnaAdjListReader();
// build test lists, Section and index do not matter
var list1 = new List<HeaderField>();
var list2 = new List<HeaderField>();
for (int i = 0; i < inputs1.Length; i++)
list1.Add(new HeaderField(inputs1[i], VnaFileSection.None, -1, null));
for (int i = 0; i < inputs2.Length; i++)
list2.Add(new HeaderField(inputs2[i], VnaFileSection.None, -1, null));
reader.RemoveDuplicatesFromSecondList(list1, list2);
Assert.Equal(expectedResults2.Length, list2.Count);
for (int i = 0; i < expectedResults2.Length; i++)
{
Assert.Equal(expectedResults2[i], list2[i].AttribColName);
}
}
public void Read_With_Items_That_Have_Known_Data_Field_Format_Issues_With_DisableDataConversions_Set_To_True(int testItemId)
{
// test items with known issues!
_vnaReader = new VnaAdjListReader();
var item = _data.TestItemsWithKnownErrors[testItemId];
var reader = new VnaAdjListReader();
reader.DisableDataConversions = true;
reader.File = Path.Combine(_dataPath, item.FileName);
reader.Read();
var result = reader.Network as IBasicAdjList;
Assert.NotNull(result);
Assert.False(reader.ErrorsHaveOccurred);
Assert.Equal(item.NodeCount, result.NodeCount);
Assert.Equal(item.EdgeCount, result.EdgeCount);
}
public void Read_Input_File_And_Verify_Random_Id_Assigned(int testItemId)
{
_vnaReader = new VnaAdjListReader();
var item = _data.TestItems[testItemId];
var reader = new VnaAdjListReader();
reader.File = Path.Combine(_dataPath, item.FileName);
reader.Read();
var result = reader.Network;
Assert.NotEqual(Guid.Empty, result.Id);
}
public void Read_Input_File_And_Verify_NodeCount(int testItemId)
{
_vnaReader = new VnaAdjListReader();
var item = _data.TestItems[testItemId];
var reader = new VnaAdjListReader();
reader.File = Path.Combine(_dataPath, item.FileName);
reader.Read();
var result = reader.Network;
Assert.NotNull(result);
Assert.Equal(item.NodeCount, result.NodeCount);
}
public void Read_Input_File_And_Verify_NodeAttribs_Has_Expected_Count(int testItemId)
{
_vnaReader = new VnaAdjListReader();
var item = _data.TestItems[testItemId];
var reader = new VnaAdjListReader();
reader.File = Path.Combine(_dataPath, item.FileName);
reader.Read();
var result = reader.Network as IBasicAdjList;
Assert.NotNull(result);
int expectedCount = item.NodeDataHeaderCountExpected + item.NodePropertyHeaderCountExpected;
Assert.Equal(expectedCount, result.NodeDataAttributeCount);
}
public void DoFirstPass_With_Parser_And_Verify_NodePropertyHeaders(int testItemId)
{
// only test items with 0 known errors
var item = _data.TestItems[testItemId];
var inputFile = Path.Combine(_dataPath, item.FileName);
var reader = new VnaAdjListReader();
int nodeCount = -1;
int edgeCount = -1;
using (var sr = new StreamReader(inputFile))
{
using (var parser = new TextFieldParser(sr))
{
parser.TextFieldType = FieldType.Delimited;
parser.Delimiters = new string[] { ",", " ", "\t" };
parser.HasFieldsEnclosedInQuotes = true;
parser.TrimWhiteSpace = true;
reader.DoFirstPass(sr, parser, out nodeCount, out edgeCount);
}
}
Assert.NotNull(reader.NodePropertyHeaders);
Assert.Equal(item.NodePropertyHeaderCount, reader.NodePropertyHeaders.Count);
for (int i = 0; i < reader.NodePropertyHeaders.Count; i++)
{
Assert.Equal(item.NodePropertyHeaders[i], reader.NodePropertyHeaders[i].AttribColName);
}
}
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);
}
public void RemoveDuplicatesFromSecondList_Removes_Duplicates_From_Second_List_Using_Node_Headers(int testItemId)
{
var item = _data.TestItems[testItemId];
var reader = new VnaAdjListReader();
// build test lists, Section and index do not matter
var list1 = new List<HeaderField>();
var list2 = new List<HeaderField>();
for (int i = 0; i < item.NodeDataHeadersExpected.Length; i++)
list1.Add(new HeaderField(item.NodeDataHeadersExpected[i], VnaFileSection.None, -1, null));
for (int i = 0; i < item.NodePropertyHeadersExpected.Length; i++)
list2.Add(new HeaderField(item.NodePropertyHeadersExpected[i], VnaFileSection.None, -1, null));
reader.RemoveDuplicatesFromSecondList(list1, list2);
Assert.Equal(item.NodePropertyHeadersExpected.Length, list2.Count);
}
public void ReadHeadersIntoTargetList_Populates_List_Of_Header_Fields(int index, string[] inputs, string[] expectedResults, int[] expectedIndices, VnaFileSection state)
{
var reader = new VnaAdjListReader();
reader.State = state;
var target = new List<HeaderField>();
var count = reader.ReadHeadersIntoTargetList(inputs, target);
Assert.Equal(expectedResults.Length, count);
Assert.Equal(expectedResults.Length, target.Count);
for (int i = 0; i < expectedResults.Length; i++)
{
Assert.False(string.IsNullOrWhiteSpace(target[i].AttribColName));
Assert.Equal(expectedResults[i], target[i].AttribColName);
Assert.Equal(state, target[i].Section);
Assert.Equal(expectedIndices[i], target[i].SourceFieldIndex);
}
}
public void ConvertToBool_Safely_Converts_VNA_Active_Strings_To_Boolean(string input, bool expectedResult)
{
var reader = new VnaAdjListReader();
var result = reader.ConvertToBool(input);
Assert.Equal(expectedResult, result);
}
public void ReadHeaders_Populates_NodeAttribHeaders_List_If_State_Is_NodeProperties(int id, string[] inputs, string[] expectedResults)
{
var reader = new VnaAdjListReader();
Assert.Equal(0, reader.NodeDataHeaders.Count);
Assert.Equal(0, reader.EdgeDataHeaders.Count);
Assert.Equal(0, reader.NodePropertyHeaders.Count);
Assert.Equal(0, reader.EdgePropertyHeaders.Count);
reader.ReadHeaders(inputs, VnaFileSection.NodeProperties);
Assert.Equal(0, reader.NodeDataHeaders.Count);
Assert.Equal(0, reader.EdgeDataHeaders.Count);
Assert.Equal(expectedResults.Length, reader.NodePropertyHeaders.Count);
Assert.Equal(0, reader.EdgePropertyHeaders.Count);
for (int i = 0; i < expectedResults.Length; i++)
{
Assert.False(string.IsNullOrWhiteSpace(reader.NodePropertyHeaders[i].AttribColName));
Assert.Equal(expectedResults[i], reader.NodePropertyHeaders[i].AttribColName);
}
}
public void TranslateNodeHeaderNames_For_NodeDataHeaders(int index, string[] srcHeaderNames, string[] expectedNames)
{
var mockHelper = new Mock<IKnownHeaderNamesReaderHelper>();
var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(3, 0, false, true, false);
var headers = new List<HeaderField>();
for (int i = 0; i < srcHeaderNames.Length; i++)
{
var name = srcHeaderNames[i];
headers.Add(new HeaderField(null, VnaFileSection.NodeData, i, name));
var expectedName = expectedNames[i];
mockHelper.Setup(m => m.GetKnownNodeHeader(name)).Returns(new HeaderMatch(HeaderMatchType.NodeStyle) {NameToUse = expectedName, DataType = typeof(Guid)});
}
var reader = new VnaAdjListReader();
reader.DisableDataConversions = true;
reader.TranslateNodeHeaderNames(headers, mockHelper.Object);
for (int i = 0; i < headers.Count; i++)
{
Assert.Equal(expectedNames[i], headers[i].AttribColName);
Assert.Equal(typeof(Guid), headers[i].AttribColumnType);
}
}
public void ReadNodePropertyFields_Reads_Fields_Into_NodeAttribs_From_StarNodeData_Section(int index, string[] dataFields, string[] dataFieldNames, Type[] dataTypes, int[] srcFieldIndices)
{
int nodeCount = 3;
// simulate initialized network
var net = Blob.TestSupport.Network.BasicAdjListGenerator.GenerateAdjListWithDataAttribs(nodeCount, 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.NodeProperties;
// simulate the list of HeaderField objects that would have been created in 1st pass
for (int i = 0; i < dataFields.Length; i++)
reader.NodePropertyHeaders.Add(new HeaderField(dataFieldNames[i], VnaFileSection.NodeProperties, srcFieldIndices[i], null) { AttribColumnIndex = srcFieldIndices[i] });
int targetNodeIndex = 1;
INode owner = net.Nodes[targetNodeIndex];
reader.ReadNodePropertyFields(dataFields, net, targetNodeIndex, reader.NodePropertyHeaders);
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 ValidateHeaderFields_Checks_For_Min_Required_Fields(VnaFileSection state, string[] headerNames, bool expectedResult)
{
string mssg = null;
var reader = new VnaAdjListReader();
bool result = reader.ValidateHeaderFields(headerNames, state, out mssg);
Assert.Equal(expectedResult, result);
if (expectedResult)
Assert.Null(mssg);
else
Assert.NotNull(mssg);
}
public void ReadStarLine_Changes_State_If_Star_Line_Match_Is_Found(string inputLine, VnaFileSection expectedState)
{
var reader = new VnaAdjListReader();
Assert.Equal(VnaFileSection.None, reader.State);
var state = reader.ReadStarLine(inputLine);
Assert.Equal(expectedState, state);
}
public void ConvertToBool_Throws_When_Input_Is_Invalid(string input)
{
var reader = new VnaAdjListReader();
var ex = Assert.Throws<FormatException>(() => reader.ConvertToBool(input));
}
