def test_parse_animals(self):
expr1 = """
animals (
canines ( domestic(dogs),
wild ( wolves, coyotes ) ),
felines ( domestic(house_cats),
wild ( lions, tigers, cheetahs, leopards )))
"""
tree = Graph()
parser = ParseSimpleExpr(StringIO(expr1), tree)
parser.run()
self.assertEqual(str(is_tree(tree)), 'animals')
self.assertEqual(tree.num_vertices(), 15)
def test_parse_animals(self):
expr1 = """
animals (
canines ( domestic(dogs),
wild ( wolves, coyotes ) ),
felines ( domestic(house_cats),
wild ( lions, tigers, cheetahs, leopards )))
"""
tree = Graph()
parser = ParseSimpleExpr(StringIO(expr1), tree)
parser.run()
self.assertEqual(str(is_tree(tree)), 'animals')
self.assertEqual(tree.num_vertices(), 15)
def __init__(self, tree, **kw_args):
super().__init__(initial='write', **kw_args)
if type(tree) is GraphWrapper:
self.tree = tree
else:
self.tree = GraphWrapper(tree)
self.root = is_tree(self.tree)
if self.root == None:
raise TypeError("Graph is not a tree.")
self.indent = 0
self.active_frame.node = self.root
self.active_frame.children = []
def __init__(self, tree, **kw_args):
super().__init__(initial='write', **kw_args)
if type(tree) is GraphWrapper:
self.tree = tree
else:
self.tree = GraphWrapper(tree)
self.root = is_tree(self.tree)
if self.root == None:
raise TypeError("Graph is not a tree.")
self.indent = 0
self.active_frame.node = self.root
self.active_frame.children = []