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• How to unit test configs

  - by ForeverDebugging

  We're working with some very large config files which contain lots of Unity and WCF configuration. When we open some of these configs in the SVC config editor or even try to open a web application using these configs, we recieve errors showing any typos or errors. E.g. a WCF binding is invalid or does not exist etc, or a configuration section does not exist, two endding tags, etc. Is there some way to "valid" a config through a unit test? So there's one less thing which could go wrong when the application is moved into a new environment.

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• C# Unit Testing - Generating Mock DataContexts / LINQ -> SQL classes

  - by gav

  Hi All, I am loving the new world that is C#, I've come to a point with my toy programs where I want to start writing some unit tests. My code currently uses a database via a DatabaseDataContext object (*.dbml file), what's the best way to create a mock for this object? Given how easy it is to generate the database LINQ - SQL code and how common a request this must be I'm hoping that VS2010 has built in functionality to help with testing. If I'm way off and this must be done manually could you please enlighten me as to your preferred approach? Many Thanks, Gavin

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• How to disable/enable network, switch to Wifi in Android emulator?

  - by medicdave

  I'm working on a Push Notifications library for Android (http://deaconproject.org/) that needs to take action if network connectivity is interrupted or changed - namely, it needs to re-initiate a server connection or pause its operation until network connectivity is available. This seems to work fine using and Android BroadcastReceiver for "android.net.ConnectivityManager.CONNECTIVITY_ACTION". My problem is in testing the library - I would like to automatically test the library's response to a broken network connection, or a transition from 3G to WiFi, under various configuration conditions. The problem is, I don't want to sit with the emulator and hit F8 all day. Is there a way to programmatically manipulate network connections on Android from within a jUnit test without resorting to toggling Airplane Mode? I've already tried issuing commands to the emulator via the console, manipulating the GSM mode, etc, but while the phone state changes on the display, the Internet connection remains up.

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• Nginx A/B testing

  - by Alex

  Hey, I'm trying to do A/B testing and I'm using Nginx fo this purpose. My Nginx config file looks like this: events { worker_connections 1024; } error_log /usr/local/experiments/apps/reddit_test/error.log notice; http { rewrite_log on; server { listen 8081; access_log /usr/local/experiments/apps/reddit_test/access.log combined; location / { if ($remote_addr ~ "[02468]$") { rewrite ^(.+)$ /experiment$1 last; } rewrite ^(.+)$ /main$1 last; } location /main { internal; proxy_pass http://www.reddit.com/r/lisp; } location /experiment { internal; proxy_pass http://www.reddit.com/r/haskell; } } } This is kind of working, but css and js files woon't load. Can anyone tell me what's wrong with this config file or what would be the right way to do it? Thanks, Alex

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• Selecting Users For A/B (Champion/Challenger) Testing

  - by Gordon Guthrie

  We have a framework that offers A/B split testing. You have a 'champion' version of a page and you develop a 'challenger' version of it. Then you run the website and allocate some of your users the champion and some the challenger and measure their different responses. If the challenger is better than the champion at achieving your metrics then you dethrone the champion and develop a new challenger... My question is what mechanisms should I consider to allocate the versions? A number of options spring to mind: odd or even IP address (or sub-segments) ****.****.****.123 gets champion but .124 gets challenger cookie push - check for a champion/challenger cookie, if it doesn't exist randomly allocate the user to one and push the cookie Best practice? suggestions? comments? experience?

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• Documenting user scenarios and measuring/testing

  - by Rimian

  Please forgive me as I don't quite remember the exact terms for what I am talking about... hence my question. Recently I worked on a large Agile team where I encountered a method of defining user scenarios (much like user stories). These scenarios were a few very basic short sentences with keywords and a structure that could be understood by humans (especially project managers) and could also be coded against using some Java Framework (for verifying tests). The exact structure of this mini language used keywords like "when" and "and" or "if" which was how the framework parsed and verified the result. The purpose of this framework was to interface between management and the acceptance testing framework. So essentially management could write the tests themselves using English. The scenario went something like this: "When a user visits URL and User clicks on X Something happens (that can be measured)" Can anyone help me remember exactly what I am talking about? Many thanks

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• Testing harness for online teaching?

  - by candeira

  I have been asked to teach an online programming course, and I am looking for a test harness especially geared to education. Some students will have significant coding experience, but others will be total newbies. The course is an introduction to software development, mostly taught in C with some C++ and Java thrown in. In any case, I would like to read their source code only after a test suite has made sure that it compiles and executes properly. The students will also benefit from having a tool they can check their code against before submitting it. However, the Learning Management System my employer is using doesn't have such a system. Do you know of any LMS software that includes this feature? Which testing harness would you recommend in case I have to roll my own?

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• Recommended Model Based Testing Tools

  - by ModelTester

  Does anyone have any suggestions on what Model Based Testing Tools to use? Is Spec Explorer/SPEC# worth it's weight in tester training? What I have traditionally done is create a Visio Model where I call out the states and associated variables, outputs and expected results from each state. Then in a completely disconnected way, I data drive my test scripts with those variables based on that model. But, they are not connected. I want a way to create a model, associate the variables in a business friendly way, that will then build the data parameters for the scripts. I can't be the first person to need this. Is there a tool out there that will do basically that? Short of developing it myself.

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• Working with a Java Mail Server for Testing

  - by Charlie

  I'm in the process of testing an application that takes mail out of a mailbox, performs some action based on the content of that mail, and then sends a response mail depending on the result of the action. I'm looking for a way to write tests for this application. Ideally, I'd like for these tests to bring up their own mail server, push my test emails to a folder on this mail server, and have my application scrape the mail out of the mail server that my test started. Configuring the application to use the mailserver is not difficult, but I do not know where to look for a programatic way of starting a mail server in Java. I've looked at JAMES, but I am unable to figure out how to start the server from within my test. So the question is this: What can I use for a mail server in Java that I can configure and start entirely within Java?

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• Web service performance testing plan, Microsoft .NET WS, SQL

  - by zxed

  Trying to answer a question to come up with a testing plan. It has to do with using a website and/or webservice that queries a sql server to get data and display to user. * Solution must be able to handle an estimated 2000 users, approximately 700 concurrent users, 10,000 + website hits a month. Database calls should handle 100,000 queries via the website/webservice a month. The system is used at multiple times during a 24 hour period; however networking and bandwidth traffic decreases after 5 pm * two windows 2003 servers are used, one for web, another for sql. Both are located in the same room. User access is varied and users can be far/near (its a centralized system), users access via www

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• Does MS Test provide a default value equals comparison?

  - by fearofawhackplanet

  I want to test for example int orderId = myRepository.SubmitOrder(orderA); orderB = myRepository.GetOrder(orderId); Assert.AreEqual(orderA, orderB); // fail Obviously I need a value comparison here, but I don't want to have to provide an overridden Equals implementation for all of my classes purely for the sake of testing (it wouldn't be of any use in the rest of the app). Is there a provided generic method that just checks every field using reflection? Or if not, it is possible to write my own?

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• Testing with Unittest Python

  - by chrissygormley

  Hello, I am runninig test's with Python Unittest. I am running tests but I want to do negative testing and I would like to test if a function throw's an exception, it passes but if no exception is thrown the test fail's. The script I have is: try: result = self.client.service.GetStreamUri(self.stream, self.token) self.assertFalse except suds.WebFault, e: self.assertTrue else: self.assertTrue This alway's passes as True even when the function work's perfectly. I have also tried various other way's including: try: result = self.client.service.GetStreamUri(self.stream, self.token) self.assertFalse except suds.WebFault, e: self.assertTrue except Exception, e: self.assertTrue Does anyone have any suggestions? Thanks

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• AI testing framework

  - by Jon

  I am looking at developing an AI player for a simple game I have created in C#. I will be creating a population of the bots and evolving them over generations. What I was wondering is there any frameworks out there that could be good for this sort of testing / development. Ideally I would like something that I could plug any / some type of games into and say, OK so have a population of X run it over Y generations and chart the results for me. I was having a think about how I would create something that would do this for me and allow me to reuse this later for different AI projects and all I could think of was to have some sort of core code and some interface contracts that the game and AI would use so that the server can script it. What are your thoughts, does anyone have any practical experience of this sort of thing?

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• Replicating Active Directory - testing scenarios

  - by Naeem Sarfraz

  Replicating a production server's Active Directory is possible through a number of approaches as mentioned here and here. I'm looking for a simpler approach if one exists. I have a mixed-mode authentication site that I need to test. Quite simply AD users (internal) will have more privilege's than someone who logs in via forms (external). We have a web service that cache's an AD structure (users & groups). I'm thinking of building a module (http handler I guess?) that will pick up my specially formed URL (http://impersonateduser@localhost/mywebapp) and use the bit before the @ as the username. That will be the username I use for any subsequent operations. How does that sound? Has anyone got other proposals for testing scenarios like this?

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• Shell script for testing

  - by Helltone

  I want a simple testing shell script that launches a program N times in parallel, and saves each different output to a different file. I have made a start that launches the program in parallel and saves the output, but how can I keep only the outputs that are different? Also how can I actually make the echo DONE! indicate the end? #!/bin/bash N=10 for((i=1; j<=$N; ++i)); do ./test > output-$N & done echo DONE!

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• Automated user testing with times

  - by Sean

  I am attempting to test user interaction with an off the shelf product. The current process is to run through a manual script and record how long certain processes take to populate data, it may populate a datagrid, a tree, a list box, etc... It will also need to be able record how long it takes to generate a pdf report. We do not require extremely accurate time just to the nearest second or less than a second. I need to know if there is a simple Automated testing product that will handle the above criteria.

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• Testing on blackberry device - adding and removing app multiple times

  - by Kai

  It would be useful for many people to know how to completely remove an application from your device when testing. I have downloaded my app many times now, and likewise have deleted it many times. The problem is when deleting the app, it does not remove things like the persistent object related to my app, or the images downloaded through the app. So, when I download the next build, I have no idea if something broke that is related to building the persistent object or fetching the images since those elements already exist from the last build. I don't know if this is a cache thing. I don't know if this is expected and I have to use some utility to wipe this data after deleting the app. I can't really find much info through basic web searches. Any information would be appreciated. Blackberry Bold 9000. 4.6 OS. tested with both SD card and no SD card.

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• Testing a quadratic equation

  - by user1201587

  I'm doing a code testing for a program that calculate the results for a quadratic equation I need to have test data for the following situation, when a is not zero and d positive there is two possibilities which are in the code below, I need to find an example for the first satiation when Math.abs(b / a - 200.0) < 1.0e-4 , all the values that I have tried, excute the second one caption= "Two roots"; if (Math.abs(b / a - 200.0) < 1.0e-4) { System.out.println("first one"); x1 = (-100.0 * (1.0 + Math.sqrt(1.0 - 1.0 / (10000.0 * a)))); x2 = (-100.0 * (1.0 - Math.sqrt(1.0 - 1.0 / (10000.0 * a)))); } else { System.out.println("secrst one"); x1 = (-b - Math.sqrt(d)) / (2.0 * a); x2 = (-b + Math.sqrt(d)) / (2.0 * a); } } }

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• Testing an app on the device

  - by DailyDoggy

  Hi there! For some reason i cant test my apps on a real iphone anymore. My license is valid the device has a profile, but something just doesn't seem to work... I think i'm doing something wrong but i don't know what exactly... the App Id, the Profile?? Can you please list me all the steps of testing an app? before i could do it myself but now i just don't get it anymore... Any ideas or suggestions?

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• Unable to locate using find element by link

  - by First Rock

  Newbie in testing. I generated a test case using Selenium, and then exported it as a Python script. Now, when I try to run that in terminal, I get following error: raise exception_class(message, screen, stacktrace) NoSuchElementException: Message: u'Unable to locate element: {"method":"link text","selector":"delete"}' I am using the command generated by Selenium i.e driver.find_element_by_link_text("delete").click() The reason for the error I believe is that the link "delete" in my web page is seen only when I click on a particular line to be deleted. So I guess it is being unable to locate the link. Please suggest what alternative measure could I use to locate and click on the "delete" link. Thanks in Advance:)

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• How can I effectively test a scripting engine?

  - by ChaosPandion

  I have been working on an ECMAScript implementation and I am currently working on polishing up the project. As a part of this, I have been writing tests like the following: [TestMethod] public void ArrayReduceTest() { var engine = new Engine(); var request = new ExecScriptRequest(@" var a = [1, 2, 3, 4, 5]; a.reduce(function(p, c, i, o) { return p + c; }); "); var response = (ExecScriptResponse)engine.PostWithReply(request); Assert.AreEqual((double)response.Data, 15D); } The problem is that there are so many points of failure in this test and similar tests that it almost doesn't seem worth it. It almost seems like my effort would be better spent reducing coupling between modules. To write a true unit test I would have to assume something like this: [TestMethod] public void CommentTest() { const string toParse = "/*First Line\r\nSecond Line*/"; var analyzer = new LexicalAnalyzer(toParse); { Assert.IsInstanceOfType(analyzer.Next(), typeof(MultiLineComment)); Assert.AreEqual(analyzer.Current.Value, "First Line\r\nSecond Line"); } } Doing this would require me to write thousands of tests which once again does not seem worth it.

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• Unittesting aspect-oriented features.

  - by Tomas Brambora

  Hi, I'd like to know what would you propose as the best way to unit test aspect-oriented application features (well, perhaps that's not the best name, but it's the best I was able to come up with :-) ) such as logging or security? These things are sort of omni-present in the application, so how to test them properly? E.g. say that I'm writing a Cherrypy web server in Python. I can use a decorator to check whether the logged-in user has the permission to access a given page. But then I'd need to write a test for every page to see whether it works oK (or more like to see that I had not forgotten to check security perms for that page). This could maybe (emphasis on maybe) be bearable if logging and/or security were implemented during the web server "normal business implementation". However, security and logging usually tend to be added to the app as an afterthough (or maybe that's just my experience, I'm usually given a server and then asked to implement security model :-) ). Any thoughts on this are very welcome. I have currently 'solved' this issue by, well - not testing this at all. Thanks.

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• How to skip certain tests with Test::Unit

  - by Daniel Abrahamsson

  In one of my projects I need to collaborate with several backend systems. Some of them somewhat lacks in documentation, and partly therefore I have some test code that interact with some test servers just to see everything works as expected. However, accessing these servers is quite slow, and therefore I do not want to run these tests every time I run my test suite. My question is how to deal with a situation where you want to skip certain tests. Currently I use an environment variable 'BACKEND_TEST' and a conditional statement which checks if the variable is set for each test I would like to skip. But sometimes I would like to skip all tests in a test file without having to add an extra row to the beginning of each test. The tests which have to interact with the test servers are not many, as I use flexmock in other situations. However, you can't mock yourself away from reality. As you can see from this question's title, I'm using Test::Unit. Additionally, if it makes any difference, the project is a Rails project.

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• UPK for Testing Webinar Recording Now Available!

  - by Karen Rihs

  For anyone who missed last week’s event, a recording of the UPK for Testing webinar is now available.  As an implementation and enablement tool, Oracle’s User Productivity Kit (UPK) provides value throughout the software lifecycle.  Application testing is one area where customers like Northern Illinois University (NIU) are finding huge value in UPK and are using it to validate their systems.  Hear Beth Renstrom, UPK Product Manager and Bettylynne Gregg, NIU ERP Coordinator, discuss how the Test It Mode, Test Scripts, and Test Cases of UPK can be used to facilitate applications testing.

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• Resources for Test Driven Development in Web Applications?

  - by HorusKol

  I would like to try and implement some TDD in our web applications to reduce regressions and improve release quality, but I'm not convinced at how well automated testing can perform with something as fluffy as web applications. I've read about and tried TDD and unit testing, but the examples are 'solid' and rather simple functionalities like currency converters, and so on. Are there any resources that can help with unit testing content management and publication systems? How about unit testing a shopping cart/store (physical and online products)? AJAX? Googling for "Web Test Driven Development" just gets me old articles from several years ago either covering the same examples of calculator-like function or discussions about why TDD is better than anything (without any examples).

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