def test_inheritance(self):
ins_cat = Cat();
ins_horse = Horse();
ins_cat.run()
ins_horse.run()
ins_cat.eat()
ins_horse.eat()
def test_instance(self):
test_a = list()
test_b = Cat()
test_c = Horse()
test_d = Animal()
if isinstance(test_a, list):
print "test_a is the list type!"
else:
print "test_a is not the list type!"
if isinstance(test_b, Cat):
print "test_is the Cat type!"
else:
print "test_b is not the Cat type!"
if isinstance(test_c, Horse):
print "test_c is the Horse type!"
else:
print "test_c is not the Horse type!"
if isinstance(test_d, Animal):
print "test_d the Animal type!"
else:
print "test_d is not the Animal type!"
if isinstance(test_d, Horse):
print "test_d is the Horse"
else:
print "test_d is not the Horse type!"
#Testing the polymorphic
run_twice(test_b)
run_twice(test_c)
run_twice(test_d)
#Like __**__() function just have sepcial use in the python
#We can mock __len__() function
#Let the sys know our class have length
print test_d.__len__()
print test_c.__len__()
print test_b.__len__()
#dir()
#This function will show the all methods and attributes
print dir(test_d)