class Zoo(object):
def __init__(self, name, capacity, budget):
self.__validator = Validator()
self.name = name
self.capacity = capacity
self.budget = budget
@property
def name(self):
return self.__name
@name.setter
def name(self, name):
self.__validator.validate_name(2, 'zoos', name)
self.__name = name
@property
def capacity(self):
return self.__capacity
@capacity.setter
def capacity(self, capacity):
self.__validator.validate_number(1, capacity, 'capacity')
self.__capacity = capacity
@property
def budget(self):
return self.__budget
@budget.setter
def budget(self, budget):
self.__validator.validate_number(0, budget, 'budget')
self.__budget = budget
class ValidatorTest(unittest.TestCase):
def setUp(self):
self.v = Validator('../../database/zoos_test_database.db')
def test_validate_name_returns_none_on_valid_name(self):
self.assertEqual(None, self.v.validate_name(2, 'zoos', 'aa'))
self.assertEqual(None, self.v.validate_name(0, 'zoos', 'aa'))
self.assertEqual(None, self.v.validate_name(1, 'zoos', 'a'))
def test_validate_name_raises_exception_on_invalid_name(self):
self.assertRaises(Exception, self.v.validate_name, 2, 'zoos', 'a')
self.assertRaises(Exception, self.v.validate_name, 1, 'zoos', '')
def test_validate_name_raises_exception_on_used_name(self):
self.assertRaises(
Exception, self.v.validate_name, 2, 'zoos', 'Zoo Sofia'
)
self.assertRaises(
Exception, self.v.validate_name, 2, 'animals', 'Nikky'
)
self.assertRaises(
Exception, self.v.validate_name, 2, 'species', 'lion'
)
def test_validate_number_returns_none_on_valid_number(self):
self.assertEqual(None, self.v.validate_number(1, 1, ''))
self.assertEqual(None, self.v.validate_number(0, 0, ''))
self.assertEqual(None, self.v.validate_number(0, 10, ''))
self.assertEqual(None, self.v.validate_number(0, 3.56, ''))
self.assertEqual(None, self.v.validate_number(0, 0.01, ''))
def test_validate_number_raises_exception_on_invalid_number(self):
self.assertRaises(Exception, self.v.validate_number, 2, 1, '')
self.assertRaises(Exception, self.v.validate_number, 0, -1, '')
self.assertRaises(Exception, self.v.validate_number, 1, 0, '')
def test_validate_number_works_with_strings(self):
self.assertEqual(None, self.v.validate_number(1, '1', ''))
self.assertEqual(None, self.v.validate_number(0, '0', ''))
self.assertEqual(None, self.v.validate_number(0, '10', ''))
self.assertEqual(None, self.v.validate_number(0, '0.001', ''))
self.assertRaises(Exception, self.v.validate_number, 2, '1', '')
self.assertRaises(Exception, self.v.validate_number, 0, '-1', '')
self.assertRaises(Exception, self.v.validate_number, 1, '0', '')
self.assertRaises(Exception, self.v.validate_number, 1, '0.76', '')
def test_validate_returns_none_on_valid_parameter(self):
lambda_function = lambda x: x < 10
self.assertEqual(None, self.v.validate(lambda_function, 2, ''))
lambda_function = lambda x: x ** 3 == 8
self.assertEqual(None, self.v.validate(lambda_function, 2, ''))
def test_validate_raises_exception_on_invalid_parameter(self):
lf = lambda x: x < 10
self.assertRaises(Exception, self.v.validate, lf, 20, '')
lf = lambda x: x ** 3 == 8
self.assertRaises(Exception, self.v.validate, lf, 20, '')
