public void Invalid_builds_throw(string input)
{
Assert.Throws <ArgumentException>(() =>
{
var plateau = new MarsRoverBuilder(input).Build();
});
}
public void Plateau_height_is_set_up_correctly_when_building(string input, int expectedHeight)
{
// act
var plateau = new MarsRoverBuilder(input).Build();
// assert
Assert.AreEqual(expectedHeight, plateau.Height);
}
public void Plateau_width_is_set_up_correctly_when_building(string input, int expectedWidth)
{
// act
var plateau = new MarsRoverBuilder(input).Build();
// assert
Assert.AreEqual(expectedWidth, plateau.Width);
}
public void Rover_initial_positions_are_set_up_on_build()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM";
var firstRoverPosition = new Position(1, 2, Position.Facing.N);
// act
var plateau = new MarsRoverBuilder(input).Build();
// assert
Assert.AreEqual(firstRoverPosition, plateau.Rovers.First().Position);
}
public void Simulate_returns_false_when_no_steps_remain()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM";
var plateau = new MarsRoverBuilder(input).Build();
plateau.Simulate(9);
// act
var simulationComplete = plateau.Simulate(10);
// assert
Assert.IsTrue(simulationComplete);
}
public void Multiple_rovers_will_have_their_positions_set_on_build()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM\n\n1 5 S\n\nMMRMMRMRRM";
var secondRoverPosition = new Position(3, 3, Position.Facing.E);
var thirdRoverPosition = new Position(1, 5, Position.Facing.S);
var positions = new List <Position>()
{
secondRoverPosition, thirdRoverPosition
};
// act
var plateau = new MarsRoverBuilder(input).Build();
// assert
CollectionAssert.AreEqual(plateau.Rovers.Skip(1).Select(r => r.Position).ToList(), positions);
}
public void Simulate_runs_1_step_when_stipulated()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM";
var plateau = new MarsRoverBuilder(input).Build();
// act
plateau.Simulate(1);
// assert
var expectedPositions = new List <Position>()
{
new Position(1, 2, Position.Facing.W),
new Position(3, 3, Position.Facing.E)
};
CollectionAssert.AreEqual(expectedPositions, plateau.Rovers.Select(r => r.Position));
}
public void Simulate_runs_all_rover_commands()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM";
var plateau = new MarsRoverBuilder(input).Build();
// act
plateau.Simulate();
// assert
var expectedPositions = new List <Position>()
{
new Position(1, 3, Position.Facing.N),
new Position(5, 1, Position.Facing.E)
};
CollectionAssert.AreEqual(expectedPositions, plateau.Rovers.Select(r => r.Position));
}
public void Simulate_handles_overshooting_of_simulation_gracefully()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM";
var plateau = new MarsRoverBuilder(input).Build();
plateau.Simulate(9);
// act
plateau.Simulate(11);
// assert
var expectedPositions = new List <Position>()
{
new Position(1, 3, Position.Facing.N),
new Position(5, 1, Position.Facing.E)
};
CollectionAssert.AreEqual(expectedPositions, plateau.Rovers.Select(r => r.Position));
}
public void Simulate_finishes_simulation_when_all_steps_have_been_ran_in_sequence()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMLMLMLMM\n\n3 3 E\n\nMMRMMRMRRM";
var plateau = new MarsRoverBuilder(input).Build();
plateau.Simulate(9);
// act
plateau.Simulate(10);
// assert
var expectedPositions = new List <Position>()
{
new Position(1, 3, Position.Facing.N),
new Position(5, 1, Position.Facing.E)
};
CollectionAssert.AreEqual(expectedPositions, plateau.Rovers.Select(r => r.Position));
}
public void Rovers_build_with_commands_in_the_same_order_as_the_input()
{
// arrange
var input = "5 5\n\n1 2 N\n\nLMRM";
var expectedCommandTypes = new List <Type>()
{
typeof(TurnLeftCommand),
typeof(MoveCommand),
typeof(TurnRightCommand),
typeof(MoveCommand)
};
// act
var plateau = new MarsRoverBuilder(input).Build();
// assert
var actualCommandTypes = plateau.Rovers.First().Commands.Select(c => c.GetType()).ToList();
CollectionAssert.AreEqual(expectedCommandTypes, actualCommandTypes);
}
