public void TestIndexWithDifferentIdsHasCorrectRankingFields()
{
const string filename = "Resources/EntityIndexPageRankDifferentIds.nt";
const string outputPath = "IndexWithDifferentIdsHasCorrectRankingFields";
var nodesGraph = EntityPageRank.BuildSimpleNodesGraph(filename);
var ranks = EntityPageRank.CalculateRanks(nodesGraph, 20);
Assert.Equal(1, Math.Round(ranks.Sum()), 10);
outputPath.DeleteIfExists();
Assert.False(Directory.Exists(outputPath));
new EntitiesIndexer(filename, outputPath).Index();
using (var luceneDirectory = FSDirectory.Open(outputPath.GetOrCreateDirectory())) {
using (var reader = DirectoryReader.Open(luceneDirectory)) {
Assert.True(Directory.Exists(outputPath));
var docCount = reader.MaxDoc;
Assert.Equal(7, docCount);
for (var i = 0; i < docCount; i++)
{
var doc = reader.Document(i);
double.TryParse(doc.GetValue(Labels.Rank), out var rank);
Assert.Equal(ranks[i].ToThreeDecimals(), rank.ToThreeDecimals());
}
}
}
outputPath.DeleteIfExists();
}
public void TestCalculateFloatRankOneIteration()
{
const string filename = "Resources/PageRankBuildGraph-Floats.nt";
var nodesGraph = EntityPageRank.BuildSimpleNodesGraph(filename);
var ranks = EntityPageRank.CalculateRanks(nodesGraph, 1);
Assert.Equal(1, Math.Round(ranks.Sum()), 10);
Assert.Equal(0.119, ranks[0].ToThreeDecimals());
Assert.Equal(0.119, ranks[1].ToThreeDecimals());
Assert.Equal(0.059, ranks[2].ToThreeDecimals());
Assert.Equal(0.160, ranks[3].ToThreeDecimals());
Assert.Equal(0.160, ranks[4].ToThreeDecimals());
Assert.Equal(0.220, ranks[5].ToThreeDecimals());
Assert.Equal(0.160, ranks[6].ToThreeDecimals());
}
public void TestCalculateFloatRankSevenIterationsMultipleProperties()
{
const string filename = "Resources/PageRankBuildGraphMultipleProperties.nt";
var nodesGraph = EntityPageRank.BuildSimpleNodesGraph(filename);
var ranks = EntityPageRank.CalculateRanks(nodesGraph, 7);
Assert.Equal(1, Math.Round(ranks.Sum()), 10);
Assert.Equal(0.138, ranks[0].ToThreeDecimals());
Assert.Equal(0.087, ranks[1].ToThreeDecimals());
Assert.Equal(0.061, ranks[2].ToThreeDecimals());
Assert.Equal(0.180, ranks[3].ToThreeDecimals());
Assert.Equal(0.128, ranks[4].ToThreeDecimals());
Assert.Equal(0.222, ranks[5].ToThreeDecimals());
Assert.Equal(0.180, ranks[6].ToThreeDecimals());
}
public void TestBuildNodeArrayGraph()
{
const string filename = "Resources/PageRankBuildGraph.nt";
var lines = FileHelper.GetInputLines(filename);
var groups = lines.GroupBySubject();
var entitiesCount = groups.Count();
var nodesGraph = EntityPageRank.BuildSimpleNodesGraph(filename);
Assert.Equal(entitiesCount, nodesGraph.Count());
Assert.Equal(2, nodesGraph[0].Length);
Assert.Equal(3, nodesGraph[1].Length);
Assert.Equal(2, nodesGraph[2].Length);
Assert.Equal(2, nodesGraph[3].Length);
Assert.Equal(6, nodesGraph[4].Length);
Assert.Equal(2, nodesGraph[5].Length);
Assert.Empty(nodesGraph[6]);
}
