Re: [Grinder-use] Dynamically replacing a parameter in the URL
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Re: [Grinder-use] Dynamically replacing a parameter in the URL
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From: <edb...@gm...> - 2013-09-24 18:18:10
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Sean,
To set a class-instance variable in Python, prefex the name with "self."
in page3(self):
self.srn = extract_SRN(result, "Result3")
in page4(self):
self.token_SRN = self.srn
...scratch that. You can just set self.token_SRN from page3(self), as
shown above, then remove the "self.token_SRN = "..."" line from page4(self).
A few other thoughts:
1. Unless you're using all these other "token_FOO" values from methods
other than page4(), you can leave them as local variables by dropping
"self."
2. Alternately: It looks like you might want to replace all these
"token_FOO" variables with a "self.token = dict()" in
TestRunner.__init__(self). Then you could use them all like
"self.token['SRN'] = extract_srn(...)" and build the parameters in that
page4 URL with a loop like:
url = "http://...."
first = True
for token, value in self.token.items():
if first:
url += "?"
first = False
else:
url += "&"
url += "%s=%s" % (token, value)
# ...and then extract the above into build_url(base, tokens) and
consider URLencoding token names for future sanity. :)
Is that what you were looking for?
-Ed
-Ed Brannin
edb...@gm...
cell: 585-261-0279
On Tue, Sep 24, 2013 at 1:33 PM, Sean Tiley <sea...@gm...> wrote:
> Thank you Ravi,
> Originally I mentioned I was using 3.1.1, should have said 3.11. Anyways,
> really good info on the site, definitely helpful.
> I do not think I was very clear on my initial posting. I have used some of
> your info to get at what I need now I have another question(s).
>
> My snipped file has been included here for reference as it is clear I am
> not really sure how it all works (see the comments with #************)
>
> I have created a helper method that will extract the SRN parameter on the
> apropriate response (the third response).
>
> In request 4, the recorded value of
> ''HE1YHZvKcjjBo8TMBY5cdfVweOyMRbfYKfE33mJL1bYb'' is what I want to replace
> with the value that was extracted with my helper method.
>
> First Question, how can I assign the value I extracted in my method to a
> variable that is accessible from the next request? Is it a member
> variable? If so, where does the definition of that member variable belong
> and how do I assign my value to it?
>
> Once I can do this, the next question is how can I replace the recorded
> value for the SRN parameter in the headers2, headers3, headers4?
>
>
>
> # The Grinder 3.11
> # HTTP script recorded by TCPProxy at 24-Sep-2013 8:50:22 AM
> from net.grinder.script import Test
> from net.grinder.script.Grinder import grinder
> from net.grinder.plugin.http import HTTPPluginControl, HTTPRequest
> from HTTPClient import NVPair
> from ValidationUtils import *
> import re
> connectionDefaults = HTTPPluginControl.getConnectionDefaults()
> httpUtilities = HTTPPluginControl.getHTTPUtilities()
> # To use a proxy server, uncomment the next line and set the host and port.
> # connectionDefaults.setProxyServer("localhost", 8001)
> def createRequest(test, url, headers=None):
> """Create an instrumented HTTPRequest."""
> request = HTTPRequest(url=url)
> if headers: request.headers=headers
> test.record(request, HTTPRequest.getHttpMethodFilter())
> return request
> # These definitions at the top level of the file are evaluated once,
> # when the worker process is started.
> connectionDefaults.defaultHeaders = \
> [ NVPair('Accept-Language', 'en-CA'),
> NVPair('User-Agent', 'Mozilla/4.0 (compatible; MSIE 8.0; Windows NT
> 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729;
> .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)'),
> ]
> headers0= \
> [ NVPair('Accept', 'application/x-ms-application, image/jpeg,
> application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap,
> application/vnd.ms-excel, application/vnd.ms-powerpoint,
> application/msword, */*'), ]
> headers1= \
> [ NVPair('Accept', '*/*'),
> NVPair('Referer', '
> https://abc.def.com/finsecustomer_enu/start.swe?SWECmd=Start&SWEHo=abc.def.com'),
> ]
> headers2= \
> [ NVPair('Accept', '*/*'),
> NVPair('Referer', '
> https://abc.def.com/finsecustomer_enu/start.swe?SWECmd=Login&SWEPL=1&SRN=HE1YHZvKcjjBo8TMBY5cdfVweOyMRbfYKfE33mJL1bYb&SWETS=1380027072171'),
> ]
> headers3= \
> [ NVPair('Accept', '*/*'),
> NVPair('Referer', '
> https://abc.def.com/finsecustomer_enu/start.swe?SRN=HE1YHZvKcjjBo8TMBY5cdfVweOyMRbfYKfE33mJL1bYb&SWEContainer=&SWETS=&SWETA='),
> ]
> headers4= \
> [ NVPair('Accept', '*/*'),
> NVPair('Referer', '
> https://abc.def.com/finsecustomer_enu/start.swe?SWENeedContext=false&SWECmd=Logoff&SWEC=3&SWEBID=-1&SRN=HE1YHZvKcjjBo8TMBY5cdfVweOyMRbfYKfE33mJL1bYb&SWETS='),
> ]
> headers5= \
> [ NVPair('Accept', '*/*'),
> NVPair('Referer', '
> https://abc.def.com/finsecustomer_enu/start.swe?SWECmd=GotoView&SWEView=FINS+EPW+Homepage+View+%28Anonymous%29&SRN=&SWEHo=abc.def.com&SWETS=1380027089'),
> ]
> url0 = 'https://devscrm12.abc.def.com:443'
> request101 = createRequest(Test(101, 'GET /'), url0, headers0)
> request201 = createRequest(Test(201, 'GET start.swe'), url0, headers0)
> request202 = createRequest(Test(202, 'GET swecommon.js'), url0, headers1)
> request203 = createRequest(Test(203, 'GET dCCmain.css'), url0, headers1)
> request204 = createRequest(Test(204, 'GET start.swe'), url0, headers1)
> request205 = createRequest(Test(205, 'GET swecommon_top.js'), url0,
> headers1)
> request206 = createRequest(Test(206, 'GET start.swe'), url0, headers1)
> request207 = createRequest(Test(207, 'GET swecmn_li.js'), url0, headers1)
> request208 = createRequest(Test(208, 'GET start.swe'), url0, headers1)
> request209 = createRequest(Test(209, 'GET swemessages_enu.js'), url0,
> headers1)
> request210 = createRequest(Test(210, 'GET spacer.gif'), url0, headers1)
> request211 = createRequest(Test(211, 'GET splash_top_banner.jpg'), url0,
> headers1)
> request212 = createRequest(Test(212, 'GET icon_req.gif'), url0, headers1)
> request213 = createRequest(Test(213, 'GET Logos-Home.jpg'), url0, headers1)
> request214 = createRequest(Test(214, 'GET button_register_now.png'), url0,
> headers1)
> request215 = createRequest(Test(215, 'GET button_signin.png'), url0,
> headers1)
> request301 = createRequest(Test(301, 'POST start.swe'), url0)
> request401 = createRequest(Test(401, 'GET start.swe'), url0, headers0)
> request402 = createRequest(Test(402, 'GET dCCmain.css'), url0, headers2)
> request403 = createRequest(Test(403, 'GET swecommon.js'), url0, headers2)
> request404 = createRequest(Test(404, 'GET swecommon_top.js'), url0,
> headers2)
> request405 = createRequest(Test(405, 'GET swemessages_enu.js'), url0,
> headers2)
> ........
>
> #the regex to extract the SRN value
> pattern = re.compile("SRN=[a-zA-Z0-9]{1,60}[^&]")
> class TestRunner:
> """A TestRunner instance is created for each worker thread."""
>
> # A method for each recorded page.
> def page1(self):
> """GET / (request 101)."""
> result = request101.GET('/finsecustomer_enu/')
> return result
> def page2(self):
> .....
> return result
> def page3(self):
> """POST start.swe (request 301)."""
> result = request301.POST('/finsecustomer_enu/start.swe',
> ( NVPair('s_2_1_11_0', 'XXXX'),
> NVPair('s_2_1_12_0', 'XXSS'),
> NVPair('SWEFo', 'SWEForm2_0'),
> NVPair('SWEField', 's_2_1_14_0'),
> NVPair('SWENeedContext', 'true'),
> NVPair('SWENoHttpRedir', 'true'),
> NVPair('W', 't'),
> NVPair('SWECmd', 'InvokeMethod'),
> NVPair('SWEMethod', 'AppletLogin'),
> NVPair('SWERowIds', ''),
> NVPair('SWESP', 'false'),
> NVPair('SWEVI', ''),
> NVPair('SWESPNR', ''),
> NVPair('SWEPOC', ''),
> NVPair('SWESPNH', ''),
> NVPair('SWEH', ''),
> NVPair('SWETargetView', ''),
> NVPair('SWEDIC', 'false'),
> NVPair('SWEReqRowId', '0'),
> NVPair('SWEView', 'FINS EPW Homepage View (Anonymous)'),
> NVPair('SWEC', '1'),
> NVPair('SWERowId', 'VRId-0'),
> NVPair('SWETVI', ''),
> NVPair('SWEW', ''),
> NVPair('SWEBID', '-1'),
> NVPair('SWEM', ''),
> NVPair('SRN', ''),
> NVPair('SWESPa', ''),
> NVPair('SWETS', '1380027072171'),
> NVPair('SWEContainer', ''),
> NVPair('SWEWN', ''),
> NVPair('SWEApplet', 'Login Applet'),
> NVPair('SWETA', ''), ),
> ( NVPair('Accept', 'application/x-ms-application, image/jpeg,
> application/xaml+xml, image/gif, image/pjpeg, application/x-ms-xbap,
> application/vnd.ms-excel, application/vnd.ms-powerpoint,
> application/msword, */*'),
> NVPair('Referer', '
> https://abc.def.com/finsecustomer_enu/start.swe?SWECmd=Start&SWEHo=abc.def.com'
> ),
> NVPair('Content-Type', 'application/x-www-form-urlencoded'),
> NVPair('Cache-Control', 'no-cache'), ))
>
> #*******************************************
> # THIS METHOD SUCCESSFULLY EXTRACTS THE SRN PARAMETER
> # What I want to do is assign the value extracted to a variable
> # so the recorded value can be replaced each time the script runs
> #*******************************************
> extractSRN(result,"Result3")
> return result
> def page4(self):
> """GET start.swe (requests 401-419)."""
> self.token_SWECmd = \
> 'Login'
> self.token_SWEPL = \
> '1'
> #*******************************************
> # WANT TO REPLACE WITH THE EXTRACTED VALUE
> #*******************************************
> self.token_SRN = \
> 'HE1YHZvKcjjBo8TMBY5cdfVweOyMRbfYKfE33mJL1bYb'
> self.token_SWETS = \
> '1380027072171'
> result = request401.GET('/finsecustomer_enu/start.swe' +
> '?SWECmd=' +
> self.token_SWECmd +
> '&SWEPL=' +
> self.token_SWEPL +
> '&SRN=' +
> self.token_SRN +
> '&SWETS=' +
> self.token_SWETS)
> .....
> return result
> .....
> def __call__(self):
> """Called for every run performed by the worker thread."""
> self.page1() # GET / (request 101)
> grinder.sleep(31)
> self.page2() # GET start.swe (requests 201-215)
> grinder.sleep(5712)
> self.page3() # POST start.swe (request 301)
> grinder.sleep(31)
> self.page4() # GET start.swe (requests 401-419)
> ....
>
> # Instrument page methods.
> Test(100, 'Page 1').record(TestRunner.page1)
> Test(200, 'Page 2').record(TestRunner.page2)
> Test(300, 'Page 3').record(TestRunner.page3)
> Test(400, 'Page 4').record(TestRunner.page4)
> .....
> # extract SRN
> def extractSRN(HttpResponse,requestNumber):
> target = HttpResponse.text
> #infolog ("HttpResponse.text for response %s in %s" %
> (requestNumber,target))
> result2 = pattern.search(target, 0)
> value = result2.group(0)
> val = value[4:]
> #infolog ("SRN value: %s" % val)
> mySRN = val
> return val
>
>
>
>
> Any thoughts greatly appreciated.
> Many thanks.
> Sean
>
>
>
>
>
>
>
> On Fri, Sep 20, 2013 at 12:55 PM, Ravi Joshi <rav...@ya...>wrote:
>
>> Hi Sean,****
>>
>> ****
>> I would strongly recommend you to upgrade the Grinder. Also I think what
>> you are taking is "Parameterizing the script", which is pretty simple.
>> Please check the "Parameterizing the test" section in
>> http://vivin.net/2009/07/27/performance-testing-using-the-grinder/****
>> ** **
>> In case it doesn't clear to you, please provide the more details about
>> each services.****
>> ** **
>> -****
>> Regards****
>> Ravi Joshi****
>>
>> ------------------------------
>> *From:* Sean Tiley <sea...@gm...>
>> *To:* grinder-use <gri...@li...>
>> *Sent:* Friday, 20 September 2013 7:19 PM
>> *Subject:* [Grinder-use] Dynamically replacing a parameter in the URL
>>
>> Hello,
>> I am using Grinder 3.1.1 with java 1.7
>>
>> I have successfully used the TCPProxy to record many scripts in the past
>> and all has been working just fine. Recently the application, (third
>> party), that I have been testing with the Grinder has added a parameter on
>> the URL that it uses in conjunction with cookeies for authentication.
>>
>> This new parameter (SRN) comes in on the 4 response from the site. I
>> need a way to capture it when it comes in and dynamically replace it on all
>> subsequent requests in my scripts. I have done some searching in the
>> mailing list archive with limited success and was wondering if there is any
>> documentation or examples on how to do this
>>
>> I have seen this in the lists from 2005
>> https://sourceforge.net/p/grinder/mailman/message/9154872/ but I do not
>> know how to use the "-newhttpplugin" flag
>>
>> I've also seen a number of references to a function in a file called
>> WebUtils that could potentially help but cannot find such a file anywhere
>>
>> Any thoughts / guidance would be greatly appreciated
>>
>> --
>> Sean Tiley
>> sea...@gm...
>>
>>
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>>
>
>
> --
> Sean Tiley
> sea...@gm...
>
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