def setUp(self):
"""Setup Tests"""
self.variable_node = Node('x')
self.constant_node = Node(3)
self.ephemeral_node = Node(EPHEMERAL[0])
self.unary_node = Node('n_abs', Node(-3))
self.binary_node = Node('n_add', Node(-3), Node(10))
self.node = Node('n_add',
Node('x'),
Node('n_mul',
Node(10),
Node('n_abs',
Node(-4)
)
)
)
self.variable_node.set_nums()
self.constant_node.set_nums()
self.ephemeral_node.set_nums()
self.unary_node.set_nums()
self.binary_node.set_nums()
self.node.set_nums()
class NodeTests(unittest.TestCase):
"""
Test Node Module.
"""
def setUp(self):
"""Setup Tests"""
self.variable_node = Node('x')
self.constant_node = Node(3)
self.ephemeral_node = Node(EPHEMERAL[0])
self.unary_node = Node('n_abs', Node(-3))
self.binary_node = Node('n_add', Node(-3), Node(10))
self.node = Node('n_add',
Node('x'),
Node('n_mul',
Node(10),
Node('n_abs',
Node(-4)
)
)
)
self.variable_node.set_nums()
self.constant_node.set_nums()
self.ephemeral_node.set_nums()
self.unary_node.set_nums()
self.binary_node.set_nums()
self.node.set_nums()
def test_07_node_numbers(self):
"""Check node numbers"""
node_nums = self.node.set_nums()
self.assertEqual(node_nums, (5, 6, 4, 3, 5, 15))
def test_08_node_string(self):
"""Check node string printing"""
correct_str = 'n_add(eugene.Config.VAR[\'x\'], n_mul(10, n_abs(-4)))'
node_str = self.node.__repr__()
self.assertEqual(node_str, correct_str)
def test_09_node_arity(self):
"""Check node Arity"""
nodes = [
self.variable_node,
self.constant_node,
self.ephemeral_node,
self.unary_node,
self.binary_node,
self.node
]
arities = [n.ary for n in nodes]
self.assertEqual(arities, [0, 0, 0, 1, 2, 2])
def test_10_node_leafiness(self):
"""Check node leafiness"""
nodes = [
self.variable_node,
self.constant_node,
self.ephemeral_node,
self.unary_node,
self.binary_node,
self.binary_node.children[0],
self.node
]
leafiness = [n.is_leaf for n in nodes]
self.assertEqual(leafiness, [True, True, True, False, False, True, False])
def test_11_node_attributes(self):
"""Check node attributes"""
correct_attributes = {
# Current position of node
'num' : 0,
'level' : 0,
# Summary of children
'height' : 3,
'node_num' : 6,
'leaf_num' : 3,
'edge_num' : 5,
# Sum of subtrees
'complexity' : 15
}
attributes = {
# Current position of node
'num' : self.node.num,
'level' : self.node.level,
# Summary of children
'height' : self.node.height,
'node_num' : self.node.node_num,
'leaf_num' : self.node.leaf_num,
'edge_num' : self.node.edge_num,
# Sum of subtrees
'complexity' : self.node.complexity
}
self.assertEqual(attributes, correct_attributes)