利用是否去請求時，至少response header是會存在請求不請求的區別
這樣的話，如果去請求的時候，就帶上返回新的cookie
然後和老的cookie比較
如果是跟新了，說明，沒有去讀cache，而是發送請求了
例子測試頁面：
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script src="http://10.1.146.174/case/js/jquery.js" type="text/javascript"></script>
<script src="http://10.1.146.174/case/js/browsertool.js" type="text/javascript"></script>
<script src="http://10.1.146.174/case/js/assert.js" type="text/javascript"></script>
<script src="http://10.1.146.174/case/JS/BlueFairyCTS.js" type="text/javascript"></script>
<script src="http://10.1.146.174/case/JS/BlueFairyCTS_Report.js" type="text/javascript"></script
</head>
<body>
<a>response is max-age=10, so when request this url in the new window in 10 seconds, browser should not send request to server, but local cache</a>
<iframe id="testpage" src="http://10.1.146.174/service/cachecontrol.py?method=maxage" height="100%" width="100%">
</iframe>
<script type="text/javascript">
$("#testpage").load(function(){
var ckie = getcookie('time');
if(ckie==''){
setCookie('time', '2', false, false, false, false); //differce between 2 times,
setTimeout("window.open('http://10.1.146.174/case/front/cache/testcache011-maxage-newwindow.html', '_blank');",2000);
var rs = new CloseBrowser("","",5,null);
rs.Call();
//setTimeout("document.execCommand('Refresh');",2000);
}else if(ckie=='2'){
var content = parent.frames['testpage'].document.body.innerText;
assertEquals('maxage1 ',content,'expect the content is maxage1,if request,the server will return maxage2');
var ckie1 = getcookie('maxage')
assertNotEquals('2',ckie1,'if not request server , the cookie should still be 1');
var casename = "testcachemaxage011";
var casetype = "CACHE";
var description = "test browser open a new window to request this url when server return cache-control: no-cache, and browser will request the server and load new resource";
delcookie('time');
var debugInfo = ListToStr(ASSERTLIST);
var add = new AddTestResult("",casetype,casename,RESULT,description,debugInfo,null);
add.Call();
var rs = new CloseBrowser("","",5,null);
rs.Call();
}
});
</script>
</body>
</html>
def maxage():
try:
if(os.environ.has_key('HTTP_COOKIE')):
if(os.environ['HTTP_COOKIE'].find('request=first') >= 0):
logger.info('maxage: has cookie maxage=1')
ckie = Cookie.SimpleCookie()
ckie['request']='first'
ckie['maxage']='2'
ckie['maxage']['path']='/case'
print('Status: 200 OK')
print('Content-Type: text/html')
print('Cache-Control: max-age=10')
print(ckie)
print('')
print('maxage2')
return
logger.info('maxage: has no cookie')
ckie = Cookie.SimpleCookie()
ckie['request']='first'
ckie['maxage']='1'
ckie['maxage']['path']='/case'
print('Status: 200 OK')
print('Content-Type: text/html')
print('Cache-Control: max-age=10')
print(ckie)
print('')
print('maxage1')
return
except:
logger.error(sys.exc_info())
return httplib.error()