class Model(object):
def __init__(self):
super(Model, self).__init__()
self.grammar = Grammar()
def addRules(self, rules):
my_list = rules.split('\n')
for i in my_list:
self.grammar.addRule(i)
def printInfo(self):
self.grammar.printInfo()
def test_create_grammar(self):
G = Grammar()
G.addRule("A A | /")
self.assertEqual(str(G), "A ---> A | /")
def test_multiple_adds(self):
G = Grammar()
G.addRule("A AB | /")
G.addRule("B Ab | /")
def test_index(self):
G = Grammar()
G.addRule("A A | /")
self.assertEqual(str(G[1]), "A ---> A")
self.assertEqual(str(G[2]), "A ---> /")
def test_rec_rem(self):
G = Grammar()
G.addRule("A A | /")
G.removeRecursion()
self.assertEqual(str(G), "A ---> /")
def test_rec_check(self):
G = Grammar()
G.addRule("A A | /")
self.assertTrue(G.checkRecursion())
def test_add(self):
G = Grammar()
G.addRule("A A")
self.assertEqual(str(G), "A ---> A")
G.addRule("A /")
self.assertEqual(str(G), "A ---> A | /")
def test_remove(self):
G = Grammar()
G.addRule("A A | /")
self.assertEqual(str(G), "A ---> A | /")
G.removeRule("A A")
self.assertEqual(str(G), "A ---> /")
