public void No_Streets_Returns_Nothing()
{
var strategy = new DistanceStrategy();
var repository = new StreetRepository();
var manager = new StreetManager(repository, strategy);
var result = manager.GetClosest(0, 0);
Assert.AreEqual(0, result.Count);
}
public void Single_Street_Is_Found()
{
var strategy = new DistanceStrategy();
var repository = new StreetRepository();
var manager = new StreetManager(repository, strategy);
repository.Add(new StreetDto {
Name = "A", Start = new double[] { 1, 1 }, End = new double[] { 2, 2, }
});
var result = manager.GetClosest(0, 0);
Assert.AreEqual(1, result.Count);
Assert.AreEqual("A", result[0]);
}
public void Multiple_Streets_Are_Found()
{
var strategy = new DistanceStrategy();
var repository = new StreetRepository();
var manager = new StreetManager(repository, strategy);
// A horizontal line along the X axis from the origin to 2.
repository.Add(new StreetDto {
Name = "A", Start = new double[] { 0, 0 }, End = new double[] { 2, 0, }
});
// A horizontal line 2 up from the X axis.
repository.Add(new StreetDto {
Name = "B", Start = new double[] { 0, 2 }, End = new double[] { 2, 2, }
});
// A point on the Y axis 2 up from the origin.
var result = manager.GetClosest(1, 1);
// The top horizontal line should be returned because it is 1 unit from line B.
Assert.AreEqual(2, result.Count);
}