python 面向对象入门
详细代码见附件"""Unit test for odbchelper.py
This program is part of "Dive Into Python", a free Python book for
experienced programmers.Visit http://diveintopython.org/ for the
latest version.
"""
#加载单元测试模块
import unittest
#加载 你的编写的模块
import odbchelper
#测试中包括：
#1.正面测试
#2.负面测试
#3.完备性测试：A状态->B状态 ->A状态
#正面测试
class GoodInput(unittest.TestCase): #这里要继承 unittest.TestCase
#编写测试用例，以test 开头
def testBlank(self):
"""buildConnectionString handles empty dictionary"""
self.assertEqual("", odbchelper.buildConnectionString({}))
def testKnownValue(self):
"""buildConnectionString returns known result with known input"""
params = {"server":"mpilgrim", "database":"master", "uid":"sa", "pwd":"secret"}
knownItems = params.items()
knownItems.sort()
knownString = repr(knownItems)
result = odbchelper.buildConnectionString(params)
resultItems =
resultItems.sort()
resultString = repr(resultItems)
self.assertEqual(knownString, resultString)
#负面测试
class BadInput(unittest.TestCase):
def testString(self):
"""buildConnectionString should fail with string input"""
self.assertRaises(AttributeError, odbchelper.buildConnectionString, "")
def testList(self):
"""buildConnectionString should fail with list input"""
self.assertRaises(AttributeError, odbchelper.buildConnectionString, [])
def testTuple(self):
"""buildConnectionString should fail with tuple input"""
self.assertRaises(AttributeError, odbchelper.buildConnectionString, ())
if __name__ == "__main__":
unittest.main()
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