在python中Template可以將字符串的格式固定下來，重復利用。 同一套測試框架為了可以復用，所以我們可以將用例部分做參數(shù)化，然后運用到各個項目中。

代碼如下：

coding=utf-8'''作者：大石功能：自動生成pyunit框架下的接口測試用例環(huán)境：python2.7.6用法：將用戶給的參數(shù)處理成對應(yīng)格式,然后調(diào)用模塊類生成函數(shù)，并將參數(shù)傳入即可''' from string import Template#動態(tài)生成單個測試用例函數(shù)字符串def singleMethodCreate(MethodList,interfaceNamePara):  code=Template('''/n  def test_${testcase}(self):    u"""${testcaseName}"""    headers = $headers    data = $data    re = requests.$method(url='$url',headers=headers,data=data)    status_code = re.status_code    s = str(status_code)    json = re.text    logging.info('-'*5+'返回狀態(tài)碼是'+s+'-'*5)    logging.info('-'*5+'返回結(jié)果集是'+json+'-'*5)    assert status_code == 200    assert json['status'] == 'ok'''')   string = code.substitute(testcase=MethodList["testcase"],testcaseName=MethodList["TestcaseName"],               method=MethodList['method'],url=MethodList['url'],headers=MethodList['headers'],data=MethodList['data'],               )  return string #拼接單個的測試用例函數(shù)字符串為完整字符串并傳回主函數(shù)#MethodParaList獲取測試用例部分listdef methodCreate(MethodParaList,interfaceNamePara):  string = ""  for MethodPara in MethodParaList:    string2=singleMethodCreate(MethodPara,interfaceNamePara)    string=string+string2  return string #構(gòu)造單個測試集def singleTestsuitCreate(MethodList,parameters):  code = Template('''suite.addTest(${className}("test_${testcase}"))''')  string = code.substitute(testcase = MethodList["testcase"],className = parameters[0])  return string #添加測試集def addtestsuit(MethodParaList,interfaceNamePara):  string = ""  for MethodPara in MethodParaList:    string2 = singleTestsuitCreate(MethodPara,interfaceNamePara)    string=string+string2  return string #生成測試用例類函數(shù)字符串def modelClassCreate(parameters):  modelCode = methodCreate(parameters[2],parameters[1])  adtestsuit = addtestsuit(parameters[2],parameters)  code = Template('''#coding: utf-8"""作者：大石功能：待執(zhí)行的接口測試用例環(huán)境：python2.7.6用法：通過框架自動觸發(fā)調(diào)用"""import unittest,requests,datetime,sys,logging,BSTestRunner,time,osfrom Log import Logclass ${className}(unittest.TestCase):  u"""待測試接口：${interfaceName}"""  def setUp(self):    logging.info('-'*5+"begin test"+"-"*5)  def tearDown(self):    logging.info('-'*5+"end test"+'-'*5)  ${model}if __name__ == "__main__":  #解決UnicodeDecodeError: 'ascii' codec can't decode byte 0xe5 in position 97: ordinal not in range(128)  reload(sys)  sys.setdefaultencoding('utf8')  #構(gòu)造測試集  suite = unittest.TestSuite()  ${testsuite}  #定義date為日期，time為時間  date=time.strftime("%Y%m%d")  time1=time.strftime("%H%M%S")  now=time.strftime("%Y-%m-%d-%H_%M_%S",time.localtime(time.time()))  #創(chuàng)建路徑  path='F:/test/study/yaml/test_log/'+now+"/"  #解決多次執(zhí)行時報路徑已存在的錯誤  try:    os.makedirs(path)  except:    if path!= None:      logging.error(u'當前路徑已經(jīng)存在')  filename=path+'Report.html'  fp=file(filename,'wb')  #日志記錄  Log.log()  #執(zhí)行測試  runner =BSTestRunner.BSTestRunner(stream=fp,title=u'下單平臺接口測試用例',description=u'接口用例列表：')  runner.run(suite)  fp.close()''')  fileStr = code.substitute(className=parameters[0],interfaceName=parameters[1],testsuite=adtestsuit,model=modelCode)  f=open(parameters[0]+".py",'w')  f.write(fileStr)  f.close()