public void Antenna_Move_InvalidInstructionInSet_Exception()
{
Assert.Throws <Exception>(() =>
{
var antenna = new Antenna(_mockNavigationConfig.Object, _mockRoverEngine.Object);
var result = antenna.Move("FBWL");
}, "There's an invalid instruction in set FBWL!");
}
public void Antenna_Move_InstructionsEmpty_Exception()
{
Assert.Throws <Exception>(() =>
{
var antenna = new Antenna(_mockNavigationConfig.Object, _mockRoverEngine.Object);
var result = antenna.Move(" ");
}, "The instructions cannot be empty!");
}
public void Antenna_Move_L_CallTurnLeft()
{
_mockRoverEngine.Setup(m => m.TurnLeft()).Returns(new MoveResult(new Position(1, 1, EDirection.W), false));
var antenna = new Antenna(_mockNavigationConfig.Object, _mockRoverEngine.Object);
antenna.Move("L");
_mockRoverEngine.Verify(m => m.TurnLeft(), Times.Once);
}
public void Antenna_Move_VerifySequentialOrder()
{
var instructions = "BLFR";
var callOrder = 0;
var dummyResult = new MoveResult(new Position(2, 2, EDirection.S), false);
var finalMoveResult = new MoveResult(new Position(1, 1, EDirection.N), false);
_mockRoverEngine.Setup(m => m.MoveBack()).Callback(() => Assert.That(callOrder++ == 0)).Returns(dummyResult);
_mockRoverEngine.Setup(m => m.TurnLeft()).Callback(() => Assert.That(callOrder++ == 1)).Returns(dummyResult);
_mockRoverEngine.Setup(m => m.MoveForward()).Callback(() => Assert.That(callOrder++ == 2)).Returns(dummyResult);
_mockRoverEngine.Setup(m => m.TurnRight()).Callback(() => Assert.That(callOrder++ == 3)).Returns(finalMoveResult);
var antenna = new Antenna(_mockNavigationConfig.Object, _mockRoverEngine.Object);
var result = antenna.Move(instructions);
Assert.IsNotNull(result);
Assert.AreEqual(finalMoveResult, result);
}
