void WhenNoElement_GetEmptyResult()
{
var s = new CitiesSuggestions.CoreLogic.DistanceScore();
var r = s.ComputeScore(new List <CitiesSuggestions.CityData>(), "A", new GeoCoordinatePortable.GeoCoordinate());
Assert.Empty(r);
}
void WhenOneElement_GetPerfectScore()
{
var cities = new List <CitiesSuggestions.CityData>();
cities.Add(new CitiesSuggestions.CityData()
{
Name = "Abc", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(2, 2)
});
var s = new CitiesSuggestions.CoreLogic.DistanceScore();
var r = s.ComputeScore(cities, "A", new GeoCoordinatePortable.GeoCoordinate(4, 4));
Assert.Equal(1.0, r[0]);
}
void WhenTwoElements_OneHasPerfectScore()
{
var cities = new List <CitiesSuggestions.CityData>();
cities.Add(new CitiesSuggestions.CityData()
{
Name = "Abc", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(2, 2)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "DEF", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(3, 3)
});
var s = new CitiesSuggestions.CoreLogic.DistanceScore();
var r = s.ComputeScore(cities, "A", new GeoCoordinatePortable.GeoCoordinate(3.1, 3.1));
Assert.Equal(1.0, r[1]);
Assert.True(r[1] > r[0]);
}
void WhenVaryingInputs_ScoreInRange()
{
var cities = new List <CitiesSuggestions.CityData>();
cities.Add(new CitiesSuggestions.CityData()
{
Name = "Abc", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(1, 2)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "DEF", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(2, 2)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "Hij", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(3, 3)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "k", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(4, 3)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "l", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(10, 3)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "mn", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(9, 3)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "op", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(8, 3)
});
var s = new CitiesSuggestions.CoreLogic.DistanceScore();
var r = s.ComputeScore(cities, "A", new GeoCoordinatePortable.GeoCoordinate(3, 3));
foreach (var score in r)
{
Assert.True(score >= 0);
Assert.True(score <= 1.0);
}
}
void WhenSameDistance_GetSameScore()
{
var cities = new List <CitiesSuggestions.CityData>();
cities.Add(new CitiesSuggestions.CityData()
{
Name = "Abc", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(4, 2)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "DEF", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(4, 2)
});
cities.Add(new CitiesSuggestions.CityData()
{
Name = "Hij", Population = 1234, Location = new GeoCoordinatePortable.GeoCoordinate(3, 3)
});
var s = new CitiesSuggestions.CoreLogic.DistanceScore();
var r = s.ComputeScore(cities, "A", new GeoCoordinatePortable.GeoCoordinate(3.1, 3.1));
Assert.True(r[0] == r[1]);
}
