public void Equals_DifferentNames_AreNotEqual()
{
var a = new GeoDataEntry()
{
Name = "A", Latitude = 1.0, Longitude = 2.0
};
var b = new GeoDataEntry()
{
Name = "B", Latitude = 1.0, Longitude = 2.0
};
Assert.AreNotEqual(a, b);
}
public void Equals_AreEqual_ReturnEqual()
{
var a = new GeoDataEntry()
{
Name = "A", Latitude = 1.0, Longitude = 2.0
};
var b = new GeoDataEntry()
{
Name = "A", Latitude = 1.0, Longitude = 2.0
};
Assert.AreEqual(a, b);
}
public void GetHashCode_LatitudeAndLongitudeFlipped_AreNotEqual()
{
var a = new GeoDataEntry()
{
Name = "A", Latitude = 1.01, Longitude = 2.0
};
var b = new GeoDataEntry()
{
Name = "A", Latitude = a.Longitude, Longitude = a.Latitude
};
Assert.AreNotEqual(a.GetHashCode(), b.GetHashCode());
}
public IEnumerable <Link> BuildLinks(GeoDataEntry entry)
{
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
return(new string[] { "Airports", "Hospitals", "Suggestions" }.Select(r => new Link()
{
//if building link for controller that is calling this, include q
Href =
string.Format("{0}?longitude={1}&latitude={2}",
Controller.Url.Link("DefaultApi", new { Controller = r }), entry.Longitude, entry.Latitude),
Method = "GET",
Rel = r
}));
}
public void Rank_ByDistance_HasExactMatches_ReturnsExpectedCertainty()
{
var newYork = Coordinates.NewYork();
var entries = new GeoDataEntry[]
{
new GeoDataEntry()
{
Name = "NYC", Latitude = newYork.Latitude, Longitude = newYork.Longitude
},
new GeoDataEntry()
{
Name = "A hotdog stand in NYC", Latitude = newYork.Latitude, Longitude = newYork.Longitude
},
new GeoDataEntry()
{
Name = "Portland", Latitude = 45.512794, Longitude = -122.679565
},
new GeoDataEntry()
{
Name = "Chicago", Latitude = 41.881832, Longitude = -87.623177
},
new GeoDataEntry()
{
Name = "Paris", Latitude = 48.864716, Longitude = 2.349014
},
new GeoDataEntry()
{
Name = "Buenos Aires", Latitude = -34.603722, Longitude = -58.381592
}
};
foreach (RankingResult result in Target.Rank(entries, null, newYork))
{
var expectedCertainty = result.Entry.Latitude == newYork.Latitude && result.Entry.Longitude == newYork.Longitude ? 0.5 : 0;
Assert.AreEqual(expectedCertainty, result.Certainty);
}
}
public void Rank_ByDistance_ReturnsExpectedCertainty()
{
var newYork = Coordinates.NewYork();
var entries = new GeoDataEntry[]
{
new GeoDataEntry()
{
Name = "Portland", Latitude = 45.512794, Longitude = -122.679565
}, //2448.63 miles away
new GeoDataEntry()
{
Name = "Chicago", Latitude = 41.881832, Longitude = -87.623177
}, //715.91
new GeoDataEntry()
{
Name = "Paris", Latitude = 48.864716, Longitude = 2.349014
}, //3632.78
new GeoDataEntry()
{
Name = "Buenos Aires", Latitude = -34.603722, Longitude = -58.381592
}
};
var minDistance = entries.Select(r => newYork.DistanceFrom(r.Latitude, r.Longitude)).Min();
foreach (RankingResult result in Target.Rank(entries, null, newYork))
{
var entry = entries.Where(r => r.Equals(result.Entry)).Single();
var expected = Rounder.Round(minDistance / newYork.DistanceFrom(entry));
Assert.AreEqual(expected, result.Certainty);
}
}
