public void Should_Return_ExactNumber_Of_TopMatches()
{
const string lisaRose = "Lisa Rose";
const string geneSeymour = "Gene Seymour";
const string michaelPhillips = "Michael Phillips";
const string claudiaPuig = "Claudia Puig";
const string mickLaSalle = "Mick LaSalle";
const string jackMatthews = "Jack Matthews";
const string toby = "Toby";
var lisaRosePreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 2.5 },
{ "Snakes on a Plane", 3.5 },
{ "Just My Luck", 3.0 },
{ "Superman Returns", 3.5 },
{ "You, Me and Dupree", 2.5 },
{ "The Night Listener", 3.0 }
};
var geneSeymourPreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 3 },
{ "Snakes on a Plane", 3.5 },
{ "Just My Luck", 1.5 },
{ "Superman Returns", 5 },
{ "You, Me and Dupree", 3.5 },
{ "The Night Listener", 3.0 }
};
var michaelPhillipsPreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 2.5 },
{ "Snakes on a Plane", 3 },
{ "Superman Returns", 3.5 },
{ "The Night Listener", 4.0 }
};
var claudiaPuigPreferences = new Dictionary <string, double>
{
{ "Snakes on a Plane", 3.5 },
{ "Just My Luck", 3.0 },
{ "The Night Listener", 4.5 },
{ "Superman Returns", 4 },
{ "You, Me and Dupree", 2.5 }
};
var mickLaSallePreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 3 },
{ "Snakes on a Plane", 4 },
{ "Just My Luck", 2 },
{ "Superman Returns", 3 },
{ "You, Me and Dupree", 2.0 }
};
var jackMatthewsPreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 3 },
{ "Snakes on a Plane", 4 },
{ "The Night Listener", 3 },
{ "Superman Returns", 5 },
{ "You, Me and Dupree", 3.5 }
};
var tobyPreferences = new Dictionary <string, double>
{
{ "Snakes on a Plane", 4.5 },
{ "You, Me and Dupree", 1 },
{ "Superman Returns", 4 }
};
var preferences = new Dictionary <string, Dictionary <string, double> >
{
{ lisaRose, lisaRosePreferences },
{ geneSeymour, geneSeymourPreferences },
{ michaelPhillips, michaelPhillipsPreferences },
{ claudiaPuig, claudiaPuigPreferences },
{ mickLaSalle, mickLaSallePreferences },
{ jackMatthews, jackMatthewsPreferences },
{ toby, tobyPreferences }
};
var sim = new Similarity <string, string>();
const string entity = lisaRose;
const int limit = 3;
var result = sim.TopMatches(preferences, entity, limit, sim.GetPearsonCorrelation);
Assert.AreEqual(result.Count, limit);
}
public void Should_Return_TopMatches_In_Decreasing_Order()
{
const string lisaRose = "Lisa Rose";
const string geneSeymour = "Gene Seymour";
const string michaelPhillips = "Michael Phillips";
const string claudiaPuig = "Claudia Puig";
const string mickLaSalle = "Mick LaSalle";
const string jackMatthews = "Jack Matthews";
const string toby = "Toby";
var lisaRosePreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 2.5 },
{ "Snakes on a Plane", 3.5 },
{ "Just My Luck", 3.0 },
{ "Superman Returns", 3.5 },
{ "You, Me and Dupree", 2.5 },
{ "The Night Listener", 3.0 }
};
var geneSeymourPreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 3 },
{ "Snakes on a Plane", 3.5 },
{ "Just My Luck", 1.5 },
{ "Superman Returns", 5 },
{ "You, Me and Dupree", 3.5 },
{ "The Night Listener", 3.0 }
};
var michaelPhillipsPreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 2.5 },
{ "Snakes on a Plane", 3 },
{ "Superman Returns", 3.5 },
{ "The Night Listener", 4.0 }
};
var claudiaPuigPreferences = new Dictionary <string, double>
{
{ "Snakes on a Plane", 3.5 },
{ "Just My Luck", 3.0 },
{ "The Night Listener", 4.5 },
{ "Superman Returns", 4 },
{ "You, Me and Dupree", 2.5 }
};
var mickLaSallePreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 3 },
{ "Snakes on a Plane", 4 },
{ "Just My Luck", 2 },
{ "Superman Returns", 3 },
{ "You, Me and Dupree", 2.0 }
};
var jackMatthewsPreferences = new Dictionary <string, double>
{
{ "Lady in the Water", 3 },
{ "Snakes on a Plane", 4 },
{ "The Night Listener", 3 },
{ "Superman Returns", 5 },
{ "You, Me and Dupree", 3.5 }
};
var tobyPreferences = new Dictionary <string, double>
{
{ "Snakes on a Plane", 4.5 },
{ "You, Me and Dupree", 1 },
{ "Superman Returns", 4 }
};
var preferences = new Dictionary <string, Dictionary <string, double> >
{
{ lisaRose, lisaRosePreferences },
{ geneSeymour, geneSeymourPreferences },
{ michaelPhillips, michaelPhillipsPreferences },
{ claudiaPuig, claudiaPuigPreferences },
{ mickLaSalle, mickLaSallePreferences },
{ jackMatthews, jackMatthewsPreferences },
{ toby, tobyPreferences }
};
var sim = new Similarity <string, string>();
const string entity = lisaRose;
const int limit = 5;
var result = sim.TopMatches(preferences, entity, limit, sim.GetPearsonCorrelation);
var previousPair = new KeyValuePair <double, string>(1000, null);
foreach (var currentPair in result)
{
Assert.LessOrEqual(currentPair.Key, previousPair.Key);
previousPair = currentPair;
}
}