Python3簡易接口自動化測試框架設計與實現（中）
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七、Excel數據讀取
用例是放在Excel中的，用xlrd來讀取數據，寫數據須要用到xluntils，先安裝：json
pip install xlrd pip install xluntils
7.一、讀取配置文件
讀取Excel數據，咱們須要知道對應的行和列，列相對固定，在配置文件settings中定義，而後讀取，行做爲參數傳入。conf/settings文件中的定義以下：cookie
[excel] case_no=0 case_name=1 is_run=2 case_level=3 case_header=4 case_cookies=5 req_type=6 case_url=7 case_body=8 expect_result=9 operator=10 actual_result=11 test_result=12
在unitls/load_conf.py中編寫讀取配置的方法，獲取各項列值的方法。lood_conf()函數須要傳入兩個參數：配置項字符串標識符，配置項類型。好比要讀取excel下整數case_url：lood_conf("excel.case_url","int")。class excel_config()下定義返回各項列值的方法。app
完整代碼以下：框架
import configparser
'''
read conf from setting.conf
@:parameter:identstr,value_type
value_type:"int" or "str"
'''
def lood_conf(identstr,value_type):
cf = configparser.ConfigParser()
cf.read("../config/settings.conf")
idenlist = identstr.split('.')
if value_type == "int":
try:
value = cf.getint(idenlist[0],idenlist[1])
return value
except (configparser.NoSectionError ,configparser.NoOptionError) as e:
print(e)
if value_type == "str":
try:
value = cf.get(idenlist[0],idenlist[1])
return value
except (configparser.NoSectionError ,configparser.NoOptionError) as e:
print(e)
'''
獲取url，request body等的列號
'''
class excel_config():
#獲取用例編號的列
def caseno_col(self):
return lood_conf("excel.case_no","int")
def casename_col(self):
return lood_conf("excel.case_name","int")
def isrun_col(self):
#print(lood_conf("excel.is_run","int"))
return lood_conf("excel.is_run","int")
def level_col(self):
return lood_conf("excel.case_level","int")
def header_col(self):
return lood_conf("excel.case_header","int")
def cookies_col(self):
return lood_conf("excel.case_cookies","int")
def reqtype_col(self):
return lood_conf("excel.req_type","int")
def caseurl_col(self):
return lood_conf("excel.case_url","int")
def casebody_col(self):
return lood_conf("excel.case_body","int")
def expectresult_col(self):
return lood_conf("excel.expect_result","int")
def actualresult_col(self):
return lood_conf("excel.actual_result","int")
def testresult_col(self):
return lood_conf("excel.test_result","int")
def test_operator_col(self):
return lood_conf("excel.operator","int")
7.一、編寫Excel操做類
unitls/excel_tool.py中定義了獲取用例編號，用例名稱等方法，須要傳入行。回寫測試結果，回寫實際結果方法須要傳入兩個參數：行，值。完整代碼以下：ide
#coding:utf-8
import xlrd
from untils.log_trace import *
from xlutils.copy import copy
from untils.load_conf import excel_config
class excel_tool():
def __init__(self,excel_name):
self.curr_excel = xlrd.open_workbook(excel_name)
self.table = self.curr_excel.sheet_by_index(0)
#print(self.table.cell(1,1).value)
#實例化excel_config
self.config = excel_config()
self.rows = self.table.nrows
self.excel_name = excel_name
#獲取用例編號
def get_caseno(self,row):
caseno = self.table.cell(row,self.config.caseno_col()).value
if caseno:
return caseno
else:
logging.info("case no is null")
return None
#獲取用例名稱
def get_casename(self,row):
casename = self.table.cell(row,self.config.casename_col()).value
return casename
#獲取是否運行標誌
def get_runflag(self,row):
run_flag = self.table.cell(row,self.config.isrun_col()).value
return run_flag
#獲取用例級別
def get_caselevel(self,row):
caselevel = self.table.cell(row,self.config.level_col()).value
return caselevel
#獲取請求url
def get_caseurl(self,row):
caseurl = self.table.cell(row,self.config.caseurl_col()).value
return caseurl
#獲取請求body
def get_casebody(self,row):
case_body = self.table.cell(row,self.config.casebody_col()).value
return case_body
#獲取header
def get_headerflag(self,row):
headerflag = self.table.cell(row,self.config.header_col()).value
return headerflag
#獲取coocikes
def get_cookiesflag(self,row):
cookiesflag = self.table.cell(row,self.config.cookies_col()).value
return cookiesflag
#獲取請求類型
def get_methodtype(self,row):
method_type = self.table.cell(row,self.config.reqtype_col()).value
return method_type
#獲取預期結果
def get_expectres(self,row):
expect_res = self.table.cell(row,self.config.expectresult_col()).value
return expect_res
#獲取測試結果
def get_testres(self,row):
test_res= self.table.cell(row,self.config.testresult_col()).value
return test_res
#獲取操做符
def get_operator(self,row):
operator = self.table.cell(row,self.config.test_operator_col()).value
return operator
#回寫測試結果到excel
def write_testres(self,row,value):
wbook = copy(xlrd.open_workbook(self.excel_name))
sheet = wbook.get_sheet(0)
sheet.write(row, self.config.testresult_col(), value)
wbook.save(self.excel_name)
#回寫實際結果
def write_actualres(self,row,value):
wbook = copy(xlrd.open_workbook(self.excel_name))
sheet = wbook.get_sheet(0)
sheet.write(row, self.config.actualresult_col(), value)
wbook.save(self.excel_name)
八、用例組裝
有了Excel操做類，就能夠方便讀取數據和回填結果了。接下來，在unitls/run_main.py中來組裝用例。組裝以前，先獲取是否運行的標誌：函數
- 運行標誌爲N，不組裝，將用例標記爲skiiped，回填測試結果到Excel文件中。
- 運行標誌爲Y，開始組裝用例並執行，並對比預期結果和實際結果。
- 用例執行經過，將用例標記爲pass，回填測試結果和實際結果，實際結果爲接口的返回。
- 用例執行失敗，將用例標記爲failed，回填測試結果和實際結果。
接口鑑權須要用到的headers，先在run_main.py 中寫死，這個問題後面解決，在上面的過程當中，增長必要的日誌，方便定位問題和查看用例的運行日誌。完整代碼以下：測試
#coding:utf-8
from untils.excel_tool import excel_tool
from untils.send_request import send_request
from untils.log_trace import *
from untils.check_result import CheckResult
import json
headers = {
"X-Token":"0a6db4e59c7fff2b2b94a297e2e5632e"
}
class runner():
def __init__(self):
self.excel = excel_tool("../testcase/test.xls")
self.check = CheckResult()
def join_case(self):
global skip_list,sucess_list,failed_list,skip_list
sucess_list = []
sucess_list = []
failed_list = []
skip_list = []
for row in range(1,self.excel.rows):
no = self.excel.get_caseno(row)
url = self.excel.get_caseurl(row)
isrun = self.excel.get_runflag(row)
name = self.excel.get_casename(row)
level = self.excel.get_caselevel(row)
data = self.excel.get_casebody(row)
expect_res = self.excel.get_expectres(row)
method = self.excel.get_methodtype(row)
hasheader = self.excel.get_headerflag(row)
operator = self.excel.get_operator(row)
if isrun == "Y":
logging.info("Begin to run test case : %s,case number :%s" %(name,no))
logging.info("Request method type is :%s" %method)
logging.info("Request URL:%s" %url)
logging.info("Request Body:%s" %json.dumps(json.loads(data),sort_keys=True,indent=2))
res = send_request(method,url,data=data,headers=headers)
is_sucess = self.check.cmpdict(eval(expect_res),eval(res.text),operator)
print(is_sucess)
if is_sucess:
sucess_list.append(name)
#回寫測試結果
self.excel.write_testres(row,"pass")
#回寫實際結果
self.excel.write_actualres(row,res.text)
logging.info("Test case %s run sucess." %name)
else:
failed_list.append(name)
print("fail",is_sucess)
#回寫測試結果
self.excel.write_testres(row,"failed")
#回寫實際結果
self.excel.write_actualres(row,res.text)
logging.error("Test case %s run fail." %name)
logging.info("Response is:%s" %json.dumps(res.json(),sort_keys=True,indent=2))
else:
skip_list.append(name)
self.excel.write_testres(row,"skipped")
def sum(self):
total = len(sucess_list)+len(failed_list) + len(skip_list)
failed = len(failed_list)
sucess = len(sucess_list)
logging.info("-----------------------------------------------------------")
logging.info("本次一共運行：%s 個用例" %total)
logging.info("本次運行經過：%s 個用例" %sucess)
logging.info("本次運行跳過：%s 個用例" %len(skip_list))
logging.info("跳過的用例：%s" %skip_list)
logging.info("-----------------------------------------------------------")
九、用例運行結果校驗
在untils/run_main.py中方法cmpdict()是用來校驗預期和結果實際結果是否匹配，須要傳入三個參數：預期結果字典，實際結果字典，操做符。在check_result.py中編寫校驗用例結果的方法。目前只支持兩種操做符，equal和notequal，預期結果爲字典，其中不能嵌套字典。和完整代碼以下：優化
from untils.log_trace import *
class CheckResult():
def dict_value(self,key,actual):
try:
if key in actual:
return actual[key]
else:
for keys in actual:
return self.dict_value(key,actual[keys])
except Exception as e:
logging.error(e)
return None
def cmpdict(self,expect,actual,equal):
logging.info("Begin to check result of testcase.")
is_dict = isinstance(expect,dict) and isinstance(actual,dict)
if is_dict:
if equal == "equal":
for key in expect.keys():
if expect[key] == self.dict_value(key,actual):
logging.info("%s is equal to %s" %(expect[key],self.dict_value(key,actual)))
return True
else:
logging.error("%s is not equal to %s" %(expect[key],self.dict_value(key,actual)))
return False
if equal == "notequal":
for key in expect.keys():
if key != self.dict_value(key,actual):
logging.info("%s is not equal to %s" %(expect[key],self.dict_value(key,actual)))
return True
else:
logging.error("%s is equal to %s" %(expect[key],self.dict_value(key,actual)))
return False
else:
logging.error("Operator :%s is not support now,you can define it in file[check_result.py]" %equal)
else:
logging.error("Expect or actual result is not dict,check it in excel. ")
十、運行用例
新建一個名稱爲test.xls的Excel，將其放到testcase路徑下，並在Excel中編寫測試用例。接口開發請參考：使用Django開發簡單接口：文章增刪改查，我準備的用例以下：
在untils/untils_test.py中導入run_mian模塊來測試一下：
from untils.run_main import runner
if __name__ == "__main__":
#test_send_request()
runner = runner()
runner.join_case()
runner.sum()
運行untils_test.py，而後去到Excel中查看運行結果：
report路徑下查看測試用例運行日誌，以下所示：
Sat, 11 May 2019 19:37:56 INFO check_result.py [line:16] Begin to check result of testcase.
Sat, 11 May 2019 19:37:56 ERROR check_result.py [line:38] Operator :e1qual is not support now,you can define it in file[check_result.py]
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:37] Begin to run test case : 查詢文章,case number :1.0
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:38] Request method type is :GET
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:39] Request URL:http://127.0.0.1:9000/articles
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:40] Request Body:{}
Sat, 11 May 2019 19:37:56 INFO send_request.py [line:25] {'X-Token': '0a6db4e59c7fff2b2b94a297e2e5632e'}
Sat, 11 May 2019 19:37:56 INFO check_result.py [line:16] Begin to check result of testcase.
Sat, 11 May 2019 19:37:56 INFO check_result.py [line:22] BS.200 is equal to BS.200
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:52] Test case 查詢文章 run sucess.
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:62] Response is:{
"all_titles": {
"Hello": "alive",
"amy1": "alive",
"modifytest": "alive",
"useasge of ddt": "alive"
},
"msg": "query articles sucess.",
"status": "BS.200"
}
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:37] Begin to run test case : 新增文章,case number :2.0
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:38] Request method type is :POST
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:39] Request URL:http://127.0.0.1:9000/articles/
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:40] Request Body:{
"content": "useasge of ddt",
"title": "useasge of ddt"
}
Sat, 11 May 2019 19:37:56 INFO send_request.py [line:25] {'X-Token': '0a6db4e59c7fff2b2b94a297e2e5632e'}
Sat, 11 May 2019 19:37:56 INFO check_result.py [line:16] Begin to check result of testcase.
Sat, 11 May 2019 19:37:56 ERROR check_result.py [line:25] BS.200 is not equal to BS.400
Sat, 11 May 2019 19:37:56 ERROR run_main.py [line:60] Test case 新增文章 run fail.
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:62] Response is:{
"msg": "title aleady exist,fail to publish.",
"status": "BS.400"
}
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:37] Begin to run test case : 修改文章,case number :3.0
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:38] Request method type is :POST
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:39] Request URL:http://127.0.0.1:9000/articles/7
Sat, 11 May 2019 19:37:56 INFO run_main.py [line:40] Request Body:{
"content": "modify test",
"title": "modify test"
}
Sat, 11 May 2019 19:37:56 INFO send_request.py [line:25] {'X-Token': '0a6db4e59c7fff2b2b94a297e2e5632e'}
Sat, 11 May 2019 19:37:57 INFO check_result.py [line:16] Begin to check result of testcase.
Sat, 11 May 2019 19:37:57 ERROR check_result.py [line:25] BS.200 is not equal to BS.300
Sat, 11 May 2019 19:37:57 ERROR run_main.py [line:60] Test case 修改文章 run fail.
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:62] Response is:{
"msg": "article is not exists,fail to modify.",
"status": "BS.300"
}
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:37] Begin to run test case : 刪除文章,case number :4.0
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:38] Request method type is :DELETE
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:39] Request URL:http://127.0.0.1:9000/articles/7
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:40] Request Body:{}
Sat, 11 May 2019 19:37:57 INFO send_request.py [line:25] {'X-Token': '0a6db4e59c7fff2b2b94a297e2e5632e'}
Sat, 11 May 2019 19:37:57 INFO check_result.py [line:16] Begin to check result of testcase.
Sat, 11 May 2019 19:37:57 ERROR check_result.py [line:25] BS.200 is not equal to BS.300
Sat, 11 May 2019 19:37:57 ERROR run_main.py [line:60] Test case 刪除文章 run fail.
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:62] Response is:{
"msg": "article is not exists,fail to delete.",
"status": "BS.300"
}
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:74] -----------------------------------------------------------
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:75] 本次一共運行：5 個用例
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:76] 本次運行經過：1 個用例
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:77] 本次運行跳過：1 個用例
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:78] 跳過的用例：['新增文章缺乏title']
Sat, 11 May 2019 19:37:57 INFO run_main.py [line:79] -----------------------------------------------------------
11 、小結
框架終於能跑起來了，可是遺留的問題還不少。
- 不少地方的代碼不夠健壯，這個後面慢慢優化。還有用例校驗支持的運算符比較少。
- 發送郵件模塊待完成。
- Headers的問題如何解決？
- 若是請求的body比較多，寫在Excel是否是很不美觀呀？這個能夠從固定地方讀取文件來完成。
- Excel中測試用例有沒有必填項呀？這個能夠在運行結果以前進行校驗，必填項缺乏，不運行。
- 最關鍵的一點，若是第二個用例依賴於第一個用例的返回，用例依賴一直是個痛點，下一篇解決。
- 還有不少問題好比，重試機制，耗時的用例設置超時時間，超時默認爲失敗等等.......
做者：秦無殤
轉載請說明出處：https://www.cnblogs.com/webDepOfQWS/，謝謝合做。
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