def __init__(self, data):
quartiles = data[:]
quartiles.sort()
middle = Stats.median(quartiles)
split = ListUtils.middleSplit(quartiles)
leftBound = Stats.median(split[0])
rightBound = Stats.median(split[1])
self.__quartileBounds = [leftBound, middle, rightBound]
leftSplit = ListUtils.middleSplit(split[0])
rightSplit = ListUtils.middleSplit(split[1])
self.__quartiles = [leftSplit[0], leftSplit[1], rightSplit[0], rightSplit[1]]
def testMiddleSplit_singleItem(self):
self.assertEqual(ListUtils.middleSplit([1]), [[1]])
def testMiddleSplit_oldNumberOfItems(self):
self.assertEqual(ListUtils.middleSplit([1, 2, 3]), [[1], [3]])
def testMiddleSplit_empty(self):
self.assertEqual(ListUtils.middleSplit([]), [[]])
def testMiddleSplit_evenNumberOfItems(self):
self.assertEqual(ListUtils.middleSplit([1, 2, 3, 4]), [[1, 2], [3, 4]])
