public void CompileOccurrences()
{
//Arrange
KeywordExtractor extractor = new KeywordExtractor();
string[] tokens = extractor.Tokenize(this.Sample1);
string[] phrases = extractor.ToPhrases(tokens);
WordCooccurrenceMatrix matrix = new WordCooccurrenceMatrix(extractor.UniqueWordIndex);
//Act
matrix.CompileOccurrences(phrases);
//Assert
Assert.AreEqual(2, matrix[matrix.IndexOf("algorithms"), matrix.IndexOf("algorithms")], "'algorithms' diagonal count");
Assert.AreEqual(1, matrix[matrix.IndexOf("bounds"), matrix.IndexOf("bounds")], "'bounds' diagonal count");
Assert.AreEqual(1, matrix[matrix.IndexOf("corresponding"), matrix.IndexOf("algorithms")], "'corresponding'->'algorithms' count");
Assert.AreEqual(2, matrix[matrix.IndexOf("minimal"), matrix.IndexOf("set")], "'minimal'->'set' count");
Assert.AreEqual(2, matrix[matrix.IndexOf("set"), matrix.IndexOf("minimal")], "'set'->'minimal' count");
}
public void ComputeLeagueTable()
{
//Arrange
KeywordExtractor extractor = new KeywordExtractor();
string[] tokens = extractor.Tokenize(this.Sample1);
string[] phrases = extractor.ToPhrases(tokens);
WordCooccurrenceMatrix matrix = new WordCooccurrenceMatrix(extractor.UniqueWordIndex);
//Act
matrix.CompileOccurrences(phrases);
SortedList <string, WordScore> leagueTable = matrix.LeagueTable;
//Assert
Assert.AreEqual(3, leagueTable["algorithms"].Degree, "Degree 1");
Assert.AreEqual(2, leagueTable["algorithms"].Frequency, "Frequency 1");
Assert.AreEqual(1.5, leagueTable["algorithms"].Ratio, "Ratio 1");
Assert.AreEqual(8, leagueTable["minimal"].Degree, "Degree 1");
Assert.AreEqual(5, leagueTable["minimal"].Frequency, "Frequency 1");
Assert.AreEqual(1.6, leagueTable["minimal"].Ratio, "Ratio 1");
}
