第十一章课后题

11-1

# city_functions.py
def city_country(city, country):
	return city + ',' + country

# test_cities.py
from city_functions import *
import unittest


class test(unittest.TestCase):
def test_city_country(self):
self.assertEqual(city_country('Santiago', 'Chile'),
'Santiago,Chile')

unittest.main()

11-2

# city_functions.py
def city_country(city, country,population):
	string = city + ',' + country
	if population:
		string +='-population' + population
	return string

# test_cities.py
from city_functions import *
import unittest


class test(unittest.TestCase):
	def test_city_country(self):
		self.assertEqual(city_country('Santiago', 'Chile', '5000000'),
			'Santiago,Chile')
		
unittest.main()

可选后

# city_functions.py
def city_country(city, country, population = ''):
	string = city + ',' + country
	if population:
		string +='-population' + population
	return string

# test_cities.py
from city_functions import *
import unittest

class test(unittest.TestCase):
	def test_city_country(self):
		self.assertEqual(city_country('Santiago', 'Chile'),
			'Santiago,Chile')
		
unittest.main()

# test_cities.py
from city_functions import *
import unittest

class test(unittest.TestCase):
	def test_city_country(self):
		self.assertEqual(city_country('Santiago', 'Chile'),
			'Santiago,Chile')

	def test_city_country_population(self):
		self.assertEqual(city_country('Santiago', 'Chile', '5000000'),
			'Santiago,Chile-population5000000')
unittest.main()

11-3

#Employee.py
class Employee():
	def __init__(self, firstname, lastname, salary):
		self.firstname = firstname
		self.lastname = lastname
		self.salary = salary
		
	def give_raise(self, raises = 5000):
		self.salary += raises

#test_employee.py
import unittest
from Employee import *

class test(unittest.TestCase):
	def setUp(self):
		self.employee = Employee('Michael', 'Jackson', 1000000)
		
	def test_give_default_raise(self):
		self.employee.give_raise()
		self.assertEqual(self.employee.salary, 1005000)
		
	def test_give_custom_raise(self):
		self.employee.give_raise(15000)
		self.assertEqual(self.employee.salary, 1015000)

unittest.main()