第十一章习题

11-1 城市和国家

def city_country(city, country):  
    return city.title() + ', ' + country.title()  
      
import unittest  
  
class TestCites(unittest.TestCase):  
  
    def test_city_country(self):  
        pair = city_country('santiago', 'chile')  
        self.assertEqual(pair, 'Santiago, Chile')  
          
unittest.main()  

11-2 人口数量

def city_country(city, country, population):  
    return city.title() + ', ' + country.title() + ' - ' + 'population ' + population  
      
import unittest  
  
class TestCites(unittest.TestCase):  
  
    def test_city_country(self):  
        pair = city_country('santiago', 'chile')  
        self.assertEqual(pair, 'Santiago, Chile')  
          
unittest.main()

def city_country(city, country, population = -1):  
    if(population==-1):  
        return city.title() + ', ' + country.title()  
    else:  
        return city.title() + ', ' + country.title() + ' - ' + 'population ' + population  
      
import unittest  
  
class TestCites(unittest.TestCase):  
  
    def test_city_country(self):  
        pair = city_country('santiago', 'chile')  
        self.assertEqual(pair, 'Santiago, Chile')  
          
unittest.main() 

def city_country(city, country, population = -1):  
    if(population==-1):  
        return city.title() + ', ' + country.title()  
    else:  
        return city.title() + ', ' + country.title() + ' - ' + 'population ' + str(population)  
      
import unittest  
  
class TestCites(unittest.TestCase):  
      
    def test_city_country(self):  
        pair = city_country('santiago', 'chile')  
        self.assertEqual(pair, 'Santiago, Chile')  
          
    def test_city_country_population(self):  
        pair = city_country('santiago', 'chile', 5000000)  
        self.assertEqual(pair, 'Santiago, Chile - population 5000000')  
          
unittest.main()  

11-3 雇员

import unittest  
  
class Employee():  
    """Create A class named Employee who has the properties of name and salary"""  
      
    def __init__(self, last_name, first_name, annual_salary):  
        self.last_name = last_name  
        self.first_name = first_name  
        self.annual_salary = annual_salary  
          
    def give_raise(self, rais = 50000):  
        self.annual_salary += rais  
          
class TestEmpolees(unittest.TestCase):  
      
    def setUp(self):  
        self.employee = Employee('James', 'Harden', 1000000)  
      
    def test_give_default_raise(self):  
        self.employee.give_raise()  
        self.assertEqual(self.employee.annual_salary, 1050000)  
      
    def test_give_custom_raise(self):  
        self.employee.give_raise(10000)  
        self.assertEqual(self.employee.annual_salary, 1010000)  
  
unittest.main()