def test_clone_node(self):
rule = Rule(self.p, self.pattern, self.rhs,
self.p_lhs, self.p_rhs)
rule.clone_node(2)
assert_graph_eq(rule.lhs, self.pattern)
assert('b1' in rule.p.nodes())
assert('y1' in rule.rhs.nodes())
assert(('a', 'b1') in rule.p.edges())
assert(('b1', 'c') in rule.p.edges())
assert(('x', 'y1') in rule.rhs.edges())
assert(('t', 'y1') in rule.rhs.edges())
return
def test_all(self):
rule = Rule(self.p, self.pattern, self.rhs,
self.p_lhs, self.p_rhs)
rule.clone_node(2)
rule.remove_node(1)
