public void Export_PhoneticSimilarity()
 {
     CogProject project = CreateProject();
     var exporter = new NexusSimilarityMatrixExporter();
     using (var stream = new MemoryStream())
     {
         exporter.Export(stream, project, SimilarityMetric.Phonetic);
         Assert.That(Encoding.UTF8.GetString(stream.ToArray()), Is.EqualTo(string.Format(NexusFileTemplate, 0.05, 0.15, 0.25)));
     }
 }
 public void Export_EmptyProject()
 {
     var project = new CogProject(_spanFactory);
     var exporter = new NexusSimilarityMatrixExporter();
     using (var stream = new MemoryStream())
     {
         exporter.Export(stream, project, SimilarityMetric.Lexical);
         Assert.That(Encoding.UTF8.GetString(stream.ToArray()), Is.EqualTo(@"#NEXUS
     BEGIN Taxa;
     DIMENSIONS NTax=0;
     TAXLABELS;
     END;
     BEGIN Distances;
     DIMENSIONS NTax=0;
     FORMAT Triangle=LOWER Diagonal Labels Missing=?;
     MATRIX;
     END;
     "));
     }
 }