def test_validate_should_return_true_when_valid_json(self):
validator = JsonValidator()
result = validator.validate('{"orders" : [{"purchase" : "1"}]}')
self.assertTrue(result)
def test_validate_should_return_false_when_orders_is_not_list(self):
validator = JsonValidator()
result = validator.validate('{"orders" : "any"}')
self.assertFalse(result)
def test_validate_should_false_when_is_not_json(self):
validator = JsonValidator()
result = validator.validate('')
self.assertFalse(result)
def test_validate_should_return_false_when_orders_not_exists(self):
validator = JsonValidator()
result = validator.validate('{"order" : [{}]}')
self.assertFalse(result)
