public void MoveEast_Should_Move_Current_Coordinate_Appropriately(int currentX, int currentY, bool checkLegality, int expectedX, int expectedY)
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(currentX, currentY),
NavigationMap = _moveMap,
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
crawler.MoveEast(checkLegality);
crawler.CurrentX.Should().Be(expectedX);
crawler.CurrentY.Should().Be(expectedY);
}
public void MoveEast_Should_Default_Unsupplied_Parameter_To_True(int x, int expectedX)
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(x, 0),
NavigationMap = new Map(new char[][]
{
new [] { Map.EMPTY, Map.EMPTY }
}),
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
crawler.MoveEast();
crawler.CurrentX.Should().Be(expectedX);
}
public void MoveEast_Should_Not_BackTrack()
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(0, 0),
NavigationMap = new Map(new char[][]
{
new [] { Map.EMPTY, Map.EMPTY }
}),
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
crawler.MoveEast();
crawler.MoveWest();
crawler.CanMove(Direction.West).Should().BeFalse();
crawler.CurrentX.Should().Be(1);
}
public void TraceSteps_Should_Return_Correctly(int startX, int startY, bool checkLegality, string expected)
{
var context = new MazeCrawlerContext
{
Start = new Coordinates(startX, startY),
Destination = new Coordinates(5, 5),
NavigationMap = _canMoveMap,
Coordinator = Substitute.For <IMazeCrawlerCoordinator>()
};
var crawler = new MazeCrawler(context);
crawler.MoveEast(checkLegality)
.MoveNorth(checkLegality)
.MoveWest(checkLegality)
.MoveWest(checkLegality)
.MoveSouth(checkLegality);
crawler.TraceSteps().Should().Be(expected);
}