public void Similarity()
{
string text1 = "asldbcv3o9322lif;owq4o-u-4hf3fn4ofwh094f4qq43fqldadsa2GSUACUVAoo32g3f";
string text2 = "xsbadkvivuvsd;ojve;rieorqro8@O*ho848oq34floowahoOAGAGAODOWWOoq38aqo3af";
LettersDiffer differ = new LettersDiffer();
differ.AddTask(text1, 0);
differ.AddTask(text2, 0);
double diffSimilarity = differ.DoDiff();
double aseSimilarity = ASESimilarityAlgorithm.CalculateSimilarity(text1, text2);
Assert.AreEqual(aseSimilarity, diffSimilarity, 0.05, "Incorrect similarity factor");
}
/// <summary>
/// Checks is the value is equal. If not where applicable a collection of granular differences is outputed
/// </summary>
/// <param name="diffObject"></param>
/// <param name="diffsForSelf"></param>
/// <param name="diffsForArgument"></param>
/// <param name="commonElements"></param>
/// <returns></returns>
public bool ValueMatches(IDiffObject diffObject, out IDiffObjectsCollection diffsForSelf, out IDiffObjectsCollection diffsForArgument, out IDiffObjectsCollection commonElements)
{
BaseTextDiffObject otherObject = diffObject as BaseTextDiffObject;
diffsForSelf = null;
diffsForArgument = null;
commonElements = null;
bool matches = false;
if (otherObject != null)
{
matches = this.ValueHash == otherObject.ValueHash;
if (!matches)
{
double simFactor = ASESimilarityAlgorithm.CalculateSimilarity(this.Value, otherObject.Value);
LettersDiffer granularDiffer = InitGranularDiffer();
if (simFactor > 0 && granularDiffer != null)
{
//calculate granular differences
granularDiffer.AddTask(Value, Position); //imports the current word into a letters collection starting from the position of the current element
granularDiffer.AddTask(otherObject.Value, otherObject.Position);
double diffRatio = granularDiffer.DoDiff(0, 1);
diffsForSelf = granularDiffer.GetResultingDifferences(0);
diffsForArgument = granularDiffer.GetResultingDifferences(1);
commonElements = granularDiffer.GetResultingCommonElements(0);
matches = diffRatio >= this.SimilarityFactor;
}
}
}
return(matches);
}