public void CatBot_cannot_backtrack()
{
CatBot CatBot = new CatBot(new Position(0, 0));
CatBot.Move(new Position(0, 1));
Assert.Throws <InvalidOperationException>(() => CatBot.Move(new Position(0, 0)));
}
public void CatBot_has_history()
{
CatBot CatBot = new CatBot(new Position(0, 0));
CatBot.Move(new Position(0, 1));
Assert.Equal(2, CatBot.History.Count());
Assert.Contains(new Position(0, 0), CatBot.History);
Assert.Contains(new Position(0, 1), CatBot.History);
}
public void Targets_valid_square(int x, int y)
{
// Given a grid
var input = new string[]
{
".....",
"xxxxx",
"x.x.x",
"...x.",
"....."
};
Grid grid = new Grid(new GridInputToBytes(), input);
// And a bot
CatBot bot = new CatBot(new Position(x, y));
// When I generate a firing solution
var torpoedoStrategy = new TorpedoStrategy(new Random(), grid, bot);
Stopwatch timer = new Stopwatch();
timer.Start();
Position target = torpoedoStrategy.GetTarget();
timer.Stop();
// Then the calculation was quick
Assert.True(timer.ElapsedMilliseconds < 10);
// And the target is inside the grid
Assert.True(grid.IsPositionInBounds(target), "In bounds");
// And the target is empty
Assert.Equal(GridContent.Empty, grid.ContentsAt(target));
// And in targetting range
int distance = grid.DistanceBetween(bot.Position, target);
Assert.True(distance <= 4, "Not out of range");
// And not my square
Assert.NotEqual(bot.Position, target);
// And not next to me
Assert.True(distance >= 2, "Not next to me");
}
public void Checks_if_move_valid(int startX, int startY, char move, bool expected)
{
// Given a grid
var input = new string[]
{
".....",
"xxxxx",
"x.x.x",
"...x."
};
Grid grid = new Grid(new GridInputToBytes(), input);
CatBot bot = new CatBot(new Position(startX, startY));
// When I check move validity
bool isValid = bot.IsValidMove(grid, (MoveDirection)move);
// Then the player position moves
Assert.Equal(expected, isValid);
}
public void Selects_start_position()
{
// Given a grid
var input = new string[]
{
".....",
"xxxxx",
"x.x.x",
".x.x."
};
Grid grid = new Grid(new GridInputToBytes(), input);
// When I set the start position
var position = new Position(2, 1);
CatBot bot = new CatBot(position);
GridContent content = grid.ContentsAt(bot.Position);
// Then the position is set
Assert.Equal(position, bot.Position);
}
public void Player_can_move()
{
// Given a grid
var input = new string[]
{
".....",
"xxxxx",
"x.x.x",
"...x.",
"....."
};
Grid grid = new Grid(new GridInputToBytes(), input);
// And a start position
CatBot bot = new CatBot(new Position(1, 2));
// When I move
bot.Move(grid, MoveDirection.South);
// Then the player has moved
Assert.Equal(new Position(1, 3), bot.Position);
}
public void Longest_path_selected(int x, int y, MoveDirection expected)
{
// Given a grid
var input = new string[]
{
".....",
"xxxxx",
"x.x.x",
"...x.",
"....."
};
Grid grid = new Grid(new GridInputToBytes(), input);
// And a bot
CatBot bot = new CatBot(new Position(x, y));
// When I get the best move
GreatestOptionsMoveStrategy moveStrategy = new GreatestOptionsMoveStrategy(5);
var move = moveStrategy.GetMove(grid, bot, new CancellationToken());
// Then the move is correct
Assert.Equal(expected, move);
}