def division_funtion(x, y):
  return x / y

def division_funtion(x, y):
  return x / y
 
 
if __name__ == '__main__':
  print division_funtion(2, 1)
  print division_funtion(2, 4)
  print division_funtion(8, 3)

import unittest
 
 
def division_funtion(x, y):
  return x / y
 
 
class TestDivision(unittest.TestCase):
  def test_int(self):
    self.assertEqual(division_funtion(9, 3), 3)
 
  def test_int2(self):
    self.assertEqual(division_funtion(9, 4), 2.25)
 
  def test_float(self):
    self.assertEqual(division_funtion(4.2, 3), 1.4)
 
 
if __name__ == '__main__':
  unittest.main()

F.F
======================================================================
FAIL: test_float (__main__.TestDivision)
----------------------------------------------------------------------
Traceback (most recent call last):
 File "/Users/tu/YunPan/mydivision.py", line 16, in test_float
  self.assertEqual(division_funtion(4.2, 3), 1.4)
AssertionError: 1.4000000000000001 != 1.4
 
======================================================================
FAIL: test_int2 (__main__.TestDivision)
----------------------------------------------------------------------
Traceback (most recent call last):
 File "/Users/tu/YunPan/1.py", line 13, in test_int2
  self.assertEqual(division_funtion(9, 4), 2.25)
AssertionError: 2 != 2.25
 
----------------------------------------------------------------------
Ran 3 tests in 0.001s
 
FAILED (failures=2)

def division_funtion(x, y):
  return round(float(x) / y, 6)

...
----------------------------------------------------------------------
Ran 3 tests in 0.000s

from django.test import TestCase
class SimpleTest(TestCase):
def test_basic_addition(self):
"""
Tests that 1 + 1 always equals 2.
"""
self.assertEqual(1 + 1, 2)

$ python manage.py test depotapp.SimpleTest

Creating test database for alias 'default'...
.
----------------------------------------------------------------------
Ran 1 test in 0.012s

OK
Destroying test database for alias 'default'...

class ProductTest < ActiveSupport::TestCase
test "product attributes must not be empty"do
product = Product.new
assert product.invalid?
assert product.errors[:title].any?
assert product.errors[:description].any?
assert product.errors[:price].any?
assert product.errors[:image_url].any?
end
test "product price must be positive"do
product = Product.new(:title => "My Book Title",
:description => "yyy",
:image_url => "zzz.jpg")
product.price = -1
assert product.invalid?
assert_equal "must be greater than or equal to 0.01",
product.errors[:price].join('; ')
product.price = 0
assert product.invalid?
assert_equal "must be greater than or equal to 0.01",
product.errors[:price].join('; ')
product.price = 1
assert product.valid?
end
def new_product(image_url)
Product.new(:title => "My Book Title",
:description => "yyy",
:price => 1,
:image_url => image_url)
end
test "image url"do
ok = %w{ fred.gif fred.jpg fred.png FRED.JPG FRED.Jpg
http://a.b.c/x/y/z/fred.gif }
bad = %w{ fred.doc fred.gif/more fred.gif.more }
ok.eachdo |name|
assert new_product(name).valid?, "#{name} shouldn't be invalid"
end
bad.eachdo |name|
assert new_product(name).invalid?, "#{name} shouldn't be valid"
end
end
test "product is not valid without a unique title"do
product = Product.new(:title => products(:ruby).title,
:description => "yyy",
:price => 1,
:image_url => "fred.gif")
assert !product.save
assert_equal "has already been taken", product.errors[:title].join('; ')
end
test "product is not valid without a unique title - i18n"do
product = Product.new(:title => products(:ruby).title,
:description => "yyy",
:price => 1,
:image_url => "fred.gif")
assert !product.save
assert_equal I18n.translate('activerecord.errors.messages.taken'),
product.errors[:title].join('; ')
end
end

#/usr/bin/python
#coding: utf8
"""
This file demonstrates writing tests using the unittest module. These will pass
when you run "manage.py test".
Replace this with more appropriate tests for your application.
"""
from django.test import TestCase
from forms import ProductForm
class SimpleTest(TestCase):
def test_basic_addition(self):
"""
Tests that 1 + 1 always equals 2.
"""
self.assertEqual(1 + 1, 2)
class ProductTest(TestCase):
def setUp(self):
self.product = {
'title':'My Book Title',
'description':'yyy',
'image_url':'http://google.com/logo.png',
'price':1
}
f = ProductForm(self.product)
f.save()
self.product['title'] = 'My Another Book Title'
#### title，description，price，image_url不能为空
def test_attrs_cannot_empty(self):
f = ProductForm({})
self.assertFalse(f.is_valid())
self.assertTrue(f['title'].errors)
self.assertTrue(f['description'].errors)
self.assertTrue(f['price'].errors)
self.assertTrue(f['image_url'].errors)
####  price必须大于零
def test_price_positive(self):
f = ProductForm(self.product)
self.assertTrue(f.is_valid())
self.product['price'] = 0
f = ProductForm(self.product)
self.assertFalse(f.is_valid())
self.product['price'] = -1
f = ProductForm(self.product)
self.assertFalse(f.is_valid())
self.product['price'] = 1
####  image_url必须以jpg，png，jpg结尾，并且对大小写不敏感；
def test_imgae_url_endwiths(self):
url_base = 'http://google.com/'
oks = ('fred.gif', 'fred.jpg', 'fred.png', 'FRED.JPG', 'FRED.Jpg')
bads = ('fred.doc', 'fred.gif/more', 'fred.gif.more')
for endwith in oks:
self.product['image_url'] = url_base+endwith
f = ProductForm(self.product)
self.assertTrue(f.is_valid(),msg='error when image_url endwith '+endwith)
for endwith in bads:
self.product['image_url'] = url_base+endwith
f = ProductForm(self.product)
self.assertFalse(f.is_valid(),msg='error when image_url endwith '+endwith)
self.product['image_url'] = 'http://google.com/logo.png'
###  titile必须唯一
def test_title_unique(self):
self.product['title'] = 'My Book Title'
f = ProductForm(self.product)
self.assertFalse(f.is_valid())
self.product['title'] = 'My Another Book Title'

Creating test database for alias 'default'...
.F..
======================================================================
FAIL: test_imgae_url_endwiths (depot.depotapp.tests.ProductTest)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/Users/holbrook/Documents/Dropbox/depot/../depot/depotapp/tests.py", line 65, in test_imgae_url_endwiths
self.assertTrue(f.is_valid(),msg='error when image_url endwith '+endwith)
AssertionError: False is not True : error when image_url endwith FRED.JPG

----------------------------------------------------------------------
Ran 4 tests in 0.055s

FAILED (failures=1)
Destroying test database for alias 'default'...

def clean_image_url(self):
url = self.cleaned_data['image_url']
ifnot endsWith(url.lower(), '.jpg', '.png', '.gif'):
raise forms.ValidationError('图片格式必须为jpg、png或gif')
return url

$ python manage.py test depotapp.ProductTest

Creating test database for alias 'default'...
....
----------------------------------------------------------------------
Ran 4 tests in 0.060s

OK
Destroying test database for alias 'default'...