public void DoInstruction_CleanExpectedPlaces_IfRobotGoToEast()
{
// Arrange
const string instrunction = "*do something*";
const int x = 0;
const int y = 0;
const int moqCleanedPlaces = 6;
var command = new Command {
Direction = CompassDirection.East, StepsNumber = 3
};
commandParser
.Setup(_ => _.Parse(instrunction))
.Returns(command);
office
.Setup(_ => _.GetValidCoordinate(It.IsAny <int>()))
.Returns((int c) => c);
office
.Setup(_ => _.CleanedPlaces)
.Returns(moqCleanedPlaces);
// Act
robot.DoInstruction(instrunction);
// Assert
commandParser.Verify(_ => _.Parse(instrunction), Times.Once);
office.Verify(_ => _.Clean(x, y), Times.Once);
office.Verify(_ => _.Clean(x + 1, y), Times.Once);
office.Verify(_ => _.Clean(x + 2, y), Times.Once);
office.Verify(_ => _.Clean(x + 3, y), Times.Once);
office.Verify(_ => _.CleanedPlaces, Times.Once);
}
public void DoInstructions_ReturnCleanedPlaces_IfCleadTwiceSeveralCells()
{
// Arrange
var office = new OfficeArea();
var robot = new RobotHoover(office, new CommandParser());
robot.SetStartPosition(0, 0);
const int stepsNumber = 5;
// Act
robot.DoInstruction($"E {stepsNumber}");
robot.DoInstruction($"W {stepsNumber + 1}");
// Assert
const int initialPosition = 1;
const int command1 = stepsNumber;
const int command2 = 1;
const int expectedCleanedPlaces = command1 + command2 + initialPosition;
office.CleanedPlaces.Should().Be(expectedCleanedPlaces);
}
public void DoInstructions_ReturnCleanedPlaces_IfMoveFromOneBondToAnother()
{
// Arrange
var office = new OfficeArea();
var robot = new RobotHoover(office, new CommandParser());
robot.SetStartPosition(-100000, 0);
const int iterations = 2;
// Act
robot.SetStartPosition(-100000, 0);
for (var i = 0; i < iterations; i++)
{
robot.DoInstruction($"E {office.MaxCoordinate}");
robot.DoInstruction($"E {office.MaxCoordinate}");
robot.DoInstruction("S 1");
robot.DoInstruction($"W {office.MaxCoordinate}");
robot.DoInstruction($"W {office.MaxCoordinate}");
robot.DoInstruction("S 1");
}
// Assert
const int initialPosition = 1;
var command1 = office.MaxCoordinate * 2 + 1;
var command2 = office.MaxCoordinate * 2 + 1;
var expectedCleanedPlaces = (command1 + command2) * iterations + initialPosition;
office.CleanedPlaces.Should().Be(expectedCleanedPlaces);
}