public void GetNextRoutes_Should_Return_Null_If_Current_Is_At_Destination()
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(6, 4),
Destination = new Coordinates(6, 4),
NavigationMap = new Map(new char[0][]),
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
crawler.GetNextRoutes().Should().BeNull();
}
public void GetNextRoutes_Should_Return_Directions_Based_On_Preference(int startX, int startY, int destinationX, int destinationY, Direction[] expected)
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(startX, startY),
Destination = new Coordinates(destinationX, destinationY),
NavigationMap = new Map(new char[][]
{
new char[] { Map.EMPTY, Map.EMPTY, Map.EMPTY },
new char[] { Map.EMPTY, Map.EMPTY, Map.EMPTY },
new char[] { Map.EMPTY, Map.EMPTY, Map.EMPTY }
}),
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
var routes = crawler.GetNextRoutes();
routes.Should().HaveSameCount(expected);
routes.Should().Equal(expected);
}
public void GetNextRoutes_Should_Return_Empty_If_There_Are_No_Available_Routes()
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(0, 1),
Destination = new Coordinates(2, 3),
NavigationMap = new Map(new char[][]
{
new char[] { Map.OCCPD, Map.OCCPD, Map.EMPTY },
new char[] { Map.EMPTY, Map.OCCPD, Map.EMPTY },
new char[] { Map.OCCPD, Map.OCCPD, Map.EMPTY },
new char[] { Map.EMPTY, Map.EMPTY, Map.EMPTY }
}),
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
var routes = crawler.GetNextRoutes();
routes.Should().BeEmpty();
}
public void GetNextRoutes_Should_Return_Directions_Based_On_Availability(int startX, int startY, int destinationX, int destinationY, Direction expected)
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(startX, startY),
Destination = new Coordinates(destinationX, destinationY),
NavigationMap = new Map(new char[][]
{
new char[] { Map.OCCPD, Map.OCCPD, Map.EMPTY, Map.OCCPD },
new char[] { Map.EMPTY, Map.EMPTY, Map.EMPTY, Map.OCCPD },
new char[] { Map.OCCPD, Map.EMPTY, Map.EMPTY, Map.EMPTY },
new char[] { Map.OCCPD, Map.EMPTY, Map.OCCPD, Map.OCCPD }
}),
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
var routes = crawler.GetNextRoutes();
routes.Should().HaveCount(1);
routes.First().Should().Be(expected);
}