def test_badBoard2(self):
input = {}
board = {}
input["board"] = board
output = status(input)
self.assertIn("error", output["gameStatus"])
def test_badBoard1(self):
input = {}
input["board"] = "muffin"
output = status(input)
self.assertIn("error", output["gameStatus"])
def test_noBoard(self):
input = {}
output = status(input)
self.assertIn("gameStatus", output)
self.assertIn("error", output["gameStatus"])
def test_badBoard3(self):
board = {}
board["rowCount"] = 3
board["columnCount"] = 2
input = {}
input["board"] = board
output = status(input)
self.assertIn("error", output["gameStatus"])
def test_goodBoard1(self):
board = {}
board["rowCount"] = 3
board["columnCount"] = 2
board["grid"] = [2] * (3 * 2)
input = {}
input["board"] = board
output = status(input)
self.assertNotIn("error", output["gameStatus"])
def test_badBoard8(self):
board = {}
board["rowCount"] = 3
board["columnCount"] = 2
board["grid"] = [2, "cake", 0, 0, 0, 0]
input = {}
input["board"] = board
output = status(input)
self.assertIn("error", output["gameStatus"])
def dispatch(messageJson=None):
"""
dispatch is the microservice dispatcher for IndigoGirls, a 2048-like game. It routes
requests for game state transformations to the appropriate functions
:param
messageJson: JSON string that describes the state of the game needed for the
requested transformation
:return: A JSON string that describes the state of the game after the requested transformation
has taken place.
"""
def buildErrorString(diagnostic=None):
"""
returns a dictionary containing the specified key and accompanying diagnostic information
:param
diagnostic: A string that describes the error
:return: A dictionary that contains the specified error key having a value that
consists of the specfied error string followed by a free-form diagnostic message
"""
ERROR_PROPERTY = u'gameStatus'
ERROR_PREFIX = u'error: '
return {ERROR_PROPERTY: ERROR_PREFIX + diagnostic}
#Validate JSONness of input be converting the string to an equivalent dictionary
try:
messageDictionary = json.loads(messageJson)
except:
resultDictionary = json.dumps(
buildErrorString('input JSON string is invalid'))
return resultDictionary
#Validate presence of dispatching code
if (u"op" not in messageDictionary):
resultDictionary = json.dumps(buildErrorString('op is missing'))
return resultDictionary
#Perform the game transformation as directed by the value of the "op" key
# input to each function: a dictionary containing the name-value pairs of the input JSON string
# output of each function: a dictionary containing name-value pairs to be encoded as a JSON string
if (messageDictionary[u"op"] == u"initializeGame"):
resultDictionary = initializeGame(messageDictionary)
elif (messageDictionary[u"op"] == u"swipe"):
resultDictionary = swipe(messageDictionary)
elif (messageDictionary[u"op"] == u"recommend"):
resultDictionary = recommend(messageDictionary)
elif (messageDictionary[u"op"] == u"status"):
resultDictionary = status(messageDictionary)
elif (messageDictionary[u"op"] == u"predict"):
resultDictionary = predict(messageDictionary)
else:
resultDictionary = buildErrorString('op is invalid')
#Covert the dictionary back to a string in JSON format
resultJson = json.dumps(resultDictionary)
return resultJson
def test_underway1(self):
board = {}
board["rowCount"] = 2
board["columnCount"] = 2
board["grid"] = [2, 0, 2, 1]
input = {}
input["board"] = board
output = status(input)
self.assertIn("underway", output["gameStatus"])
def test_win2(self):
board = {}
board["rowCount"] = 2
board["columnCount"] = 2
board["grid"] = [4, 0, 1, 0]
input = {}
input["board"] = board
output = status(input)
self.assertIn("win", output["gameStatus"])
def test_lose1(self):
board = {}
board["rowCount"] = 2
board["columnCount"] = 2
board["grid"] = [2, 3, 3, 1]
input = {}
input["board"] = board
input["tile"] = 2**4
output = status(input)
self.assertIn("lose", output["gameStatus"])
def test_badtile2(self):
board = {}
board["rowCount"] = 3
board["columnCount"] = 2
board["grid"] = [2] * (3 * 2)
input = {}
input["board"] = board
input["tile"] = 2**(board["rowCount"] * board["columnCount"]) + 1
output = status(input)
self.assertIn("error", output["gameStatus"])