static void Test(string [] args)
{
var perLabel = args[0] == "test-label";
if (args.Length < 3 || args.Length > 5)
{
if (perLabel)
{
PrintTestLabelUsage();
}
else
{
PrintTestUsage();
}
Environment.Exit(-1);
}
var model = args[1];
var input = args[2];
int k = args.Length > 3 ? int.Parse(args[3]) : 1;
var threshold = args.Length > 4 ? float.Parse(args[4]) : 0f;
var fasttext = new FastText();
fasttext.LoadModel(model);
var meter = new Meter();
if (input == "-")
{
fasttext.Test(Console.OpenStandardInput(), k, threshold, meter);
}
else
{
var ifs = new FileStream(input, FileMode.Open, FileAccess.Read);
if (!ifs.CanRead)
{
Console.Error.WriteLine("Test file cannot be opened!");
Environment.Exit(-1);
}
fasttext.Test(ifs, k, threshold, meter);
}
if (perLabel)
{
void writeMetric(string name, double value)
{
Console.Write($"{name} : ");
if (double.IsFinite(value))
{
Console.Write($"{value:0.######}");
}
else
{
Console.Write("--------");
}
Console.Write(" ");
};
var dict = fasttext.GetDictionary();
for (int labelId = 0; labelId < dict.nlabels; labelId++)
{
writeMetric("F1-Score", meter.F1Score(labelId));
writeMetric("Precision", meter.Precision(labelId));
writeMetric("Recall", meter.Recall(labelId));
Console.WriteLine($" {dict.GetLabel(labelId)}");
}
}
meter.WriteGeneralMetrics(Console.Out, k);
}
