public void SaveFileTest()
{
// creates graph and adds nodes
var network = new Network();
for (var i = 0u; i < NUM_NODES; i++)
{
network.AddVertex(i);
}
// adds connections
network.AddEdge(new Connection(0, 1));
network.AddEdge(new Connection(0, 2));
network.AddEdge(new Connection(0, 9));
network.AddEdge(new Connection(2, 4));
network.AddEdge(new Connection(2, 9));
network.AddEdge(new Connection(4, 7));
network.AddEdge(new Connection(7, 9));
network.AddEdge(new Connection(8, 9));
// creates algorithm and updates communities
var communityAlg = new CommunityAlgorithm(network, -1, 0.000001);
communityAlg.Update();
communityAlg.DisplayCommunities();
var fullPath = Path.Combine(Path.GetFullPath("."), FILE_NAME);
File.Delete(fullPath);
communityAlg.ToD3GraphFile(FILE_NAME, Formatting.Indented);
Console.WriteLine(fullPath);
Assert.IsTrue(File.Exists(fullPath), $"D3 json file should exist in {fullPath}.");
Assert.IsTrue(new FileInfo(fullPath).Length > 0, "Json file size should be > 0 bytes.");
#if !DEBUG
File.Delete(fullPath);
#endif
}