def setUp(self):
self.parser = RpnParser(tokenizedInput=[])
class Test(unittest.TestCase):
def setUp(self):
self.parser = RpnParser(tokenizedInput=[])
def testOperationExecution(self):
self.parser.left = [1]
self.parser.performOperation()
self.assertEqual([1], self.parser.left, "[1] != "+str(self.parser.left))
self.parser.left = [1,2]
self.parser.currentElem = "+"
self.parser.performOperation()
self.assertEqual([3], self.parser.left, "[3] != "+str(self.parser.left))
self.parser.left = [1,2,3]
self.parser.currentElem = "*"
self.parser.performOperation()
self.assertEqual([1,6], self.parser.left, "[1,6] != "+str(self.parser.left))
def testNextStep(self):
self.parser.right = ["1","2","+"]
self.parser.left= []
self.parser.nextStep()
self.assertEqual([1], self.parser.left, "left: [1] != "+str(self.parser.left))
self.assertEqual(["2","+"], self.parser.right, "right: [2,+] != "+str(self.parser.right))
self.parser.nextStep()
self.assertEqual([1,2], self.parser.left, "left: [1,2] != "+str(self.parser.left))
self.assertEqual(["+"], self.parser.right, "right: [+] != "+str(self.parser.right))
self.parser.nextStep()
self.assertEqual([3], self.parser.left, "left: [3] != "+str(self.parser.left))
self.assertEqual([], self.parser.right, "right: [] != "+str(self.parser.left))