Excel+DDT數據驅動實例

1、首先安裝dtt模塊

數據驅動原理

1.測試數據爲多個字典的list類型

2.測試類前加修飾@ddt.ddt

3.case前加修飾@ddt.data()

4.運行後用例會自動加載成N個單獨的用例

2、實例

ExcellData.py

 1 # coding:utf-8
 2 import xlrd
 3 
 4 
 5 class excel:
 6     def __init__(self):
 7         self.test_data_path = 'F:\\testdata.xlsx'
 8 
 9     def open_excel(self,file):
10         u'''讀取excel文件'''
11         try:
12             data = xlrd.open_workbook(file)
13             return data
14         except Exception, e:
15             raise e
16 
17     def excel_table(self,file, sheetName):
18         u'''裝載list'''
19         data = self.open_excel(file)
20         # 經過工做表名稱，獲取到一個工做表
21         table = data.sheet_by_name(sheetName)
22         # 獲取行數
23         Trows = table.nrows
24         # 獲取 第一行數據
25         Tcolnames = table.row_values(0)
26         lister = []
27         for rownumber in range(1,Trows):
28             row = table.row_values(rownumber)
29             if row:
30                 app = {}
31                 for i in range(len(Tcolnames)):
32                     app[Tcolnames[i]] = row[i]
33                 lister.append(app)
34         return lister
35 
36     def get_list(self,sheetname):
37         try:
38             data_list = self.excel_table(self.test_data_path, sheetname)
39             assert len(data_list)>=0,u'excel標籤頁:'+sheetname+u'爲空'
40             return data_list
41         except Exception as e:
42             raise e

test.py

 1 # coding:utf-8
 2 __author__ = 'Helen'
 3 '''
 4 project:ddt數據驅動
 5 '''
 6 import unittest,ddt
 7 from ExcelData import excel
 8 
 9 # 測試數據
10 excel_data = excel()
11 testdata = excel_data.get_list('userData')
12 
13 @ddt.ddt
14 class TestDtt(unittest.TestCase):
15     @classmethod
16     def setUpClass(cls):
17         print u'開始測試---------------'
18 
19     @ddt.data(*testdata)
20     def test(self, data):
21         print 'username:'+data['username']+',password:'+data['password']
22 
23     @classmethod
24     def tearDownClass(cls):
25         print u'結束測試------------------'
26 
27 if __name__=='__main__':
28     unittest.main()