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MarsRovers.st
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MarsRovers.st
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!classDefinition: #TestMarsRovers category: #MarsRovers!
TestCase subclass: #TestMarsRovers
instanceVariableNames: ''
classVariableNames: ''
poolDictionaries: ''
category: 'MarsRovers'!
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 21:44:34'!
test01anEmptyCommandLineShouldNotMoveMarsRover
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: ''.
self assert: (robotito hasPosition: 10@10 lookingAt: #West).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 21:56:54'!
test02rotateRight
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'r'.
self assert: (robotito hasPosition: 10@10 lookingAt: #North).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 21:56:36'!
test03rotateRight180degrees
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'rr'.
self assert: (robotito hasPosition: 10@10 lookingAt: #East).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 21:58:05'!
test04rotateRight270degrees
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'rrr'.
self assert: (robotito hasPosition: 10@10 lookingAt: #South).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 21:58:19'!
test05rotateRight360degrees
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'rrrr'.
self assert: (robotito hasPosition: 10@10 lookingAt: #West).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 22:02:16'!
test06rotateLeft
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'l'.
self assert: (robotito hasPosition: 10@10 lookingAt: #South).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 22:03:47'!
test07rotateLeft180degrees
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'll'.
self assert: (robotito hasPosition: 10@10 lookingAt: #East).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 00:43:13'!
test08fowardLookingWest
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'f'.
self assert: (robotito hasPosition: 9@10 lookingAt: #West).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 00:58:01'!
test09fowardLookingSouth
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #South.
robotito receiveCommandLine: 'f'.
self assert: (robotito hasPosition: 10@9 lookingAt: #South).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 00:54:18'!
test10fowardLookingNorth
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #North.
robotito receiveCommandLine: 'f'.
self assert: (robotito hasPosition: 10@11 lookingAt: #North).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 00:58:50'!
test11fowardLookingEast
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #East.
robotito receiveCommandLine: 'f'.
self assert: (robotito hasPosition: 11@10 lookingAt: #East).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 01:01:50'!
test12backwardLookingEast
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #East.
robotito receiveCommandLine: 'b'.
self assert: (robotito hasPosition: 9@10 lookingAt: #East).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 01:05:35'!
test13backwardLookingWest
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #West.
robotito receiveCommandLine: 'b'.
self assert: (robotito hasPosition: 11@10 lookingAt: #West).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 01:06:02'!
test14backwardLookingNorth
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #North.
robotito receiveCommandLine: 'b'.
self assert: (robotito hasPosition: 10@9 lookingAt: #North).
! !
!TestMarsRovers methodsFor: 'as yet unclassified' stamp: 'ml 10/12/2024 01:07:28'!
test15backwardLookingSouth
| robotito |
robotito := MarsRover inPosition: 10@10 lookingAt: #South.
robotito receiveCommandLine: 'b'.
self assert: (robotito hasPosition: 10@11 lookingAt: #South).
! !
!classDefinition: #MarsRover category: #MarsRovers!
Object subclass: #MarsRover
instanceVariableNames: 'position lookingAt'
classVariableNames: ''
poolDictionaries: ''
category: 'MarsRovers'!
!MarsRover methodsFor: 'initialize' stamp: 'ml 10/11/2024 20:45:51'!
startingAt: aPosition lookingAt: aCardinalPoint
position := aPosition .
lookingAt := aCardinalPoint .! !
!MarsRover methodsFor: 'testing' stamp: 'ml 10/11/2024 20:48:45'!
hasPosition: aPositionToCompare lookingAt: aCardinalPointToCompare
^(position = aPositionToCompare) and: (lookingAt = aCardinalPointToCompare )! !
!MarsRover methodsFor: 'receive commands' stamp: 'ml 10/12/2024 01:02:31'!
receiveCommandLine: aCommandString
aCommandString collect: [:aCommand |
aCommand = $r ifTrue: [self rotateRight].
aCommand = $l ifTrue: [self rotateLeft].
aCommand = $f ifTrue: [self goFoward].
aCommand = $b ifTrue: [self goBackward]
].! !
!MarsRover methodsFor: 'execute commands' stamp: 'ml 10/12/2024 01:11:06'!
goBackward
lookingAt = #East ifTrue: [self moveToWest: position].
lookingAt = #West ifTrue: [self moveToEast: position].
lookingAt = #North ifTrue: [self moveToSouth: position].
lookingAt = #South ifTrue: [self moveToNorth: position].! !
!MarsRover methodsFor: 'execute commands' stamp: 'ml 10/12/2024 01:11:06'!
goFoward
lookingAt = #West ifTrue: [self moveToWest: position].
lookingAt = #South ifTrue: [self moveToSouth: position].
lookingAt = #East ifTrue: [self moveToEast: position].
lookingAt = #North ifTrue: [self moveToNorth: position].! !
!MarsRover methodsFor: 'execute commands' stamp: 'ml 10/11/2024 22:03:30'!
rotateLeft
lookingAt = #North ifTrue: [lookingAt := #West. ^self].
lookingAt = #East ifTrue: [lookingAt := #North. ^self].
lookingAt = #South ifTrue: [lookingAt := #East. ^self].
lookingAt = #West ifTrue: [lookingAt := #South. ^self].
! !
!MarsRover methodsFor: 'execute commands' stamp: 'ml 10/11/2024 22:00:29'!
rotateRight
lookingAt = #South ifTrue: [lookingAt := #West. ^self.].
lookingAt = #East ifTrue: [lookingAt := #South. ^self.].
lookingAt = #North ifTrue: [lookingAt := #East. ^self.].
lookingAt = #West ifTrue: [lookingAt := #North. ^self.].! !
!MarsRover methodsFor: 'moving' stamp: 'ml 10/12/2024 01:12:35'!
moveToEast: actualPosition
position := (actualPosition x + 1)@(actualPosition y).! !
!MarsRover methodsFor: 'moving' stamp: 'ml 10/12/2024 01:10:24'!
moveToNorth: actualPosition
position := (actualPosition x)@(actualPosition y + 1)! !
!MarsRover methodsFor: 'moving' stamp: 'ml 10/12/2024 01:12:38'!
moveToSouth: actualPosition
position := (actualPosition x)@(actualPosition y - 1)! !
!MarsRover methodsFor: 'moving' stamp: 'ml 10/12/2024 01:12:41'!
moveToWest: actualPosition
position := ((actualPosition x) - 1)@(actualPosition y).! !
"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!
!classDefinition: 'MarsRover class' category: #MarsRovers!
MarsRover class
instanceVariableNames: ''!
!MarsRover class methodsFor: 'as yet unclassified' stamp: 'ml 10/11/2024 20:44:51'!
inPosition: aPosition lookingAt: aCardinalPoint
^ MarsRover new startingAt: aPosition lookingAt: aCardinalPoint .! !