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  • How do you unit test a class that's meant to talk to data?

    - by Arda Xi
    I have a few repository classes that are meant to talk to different kinds of data, deriving from an IRepository interface laid out like so: In implementations, the code talks to a data source, be this a directory of XML files or a database or even just a cache. Is it possible to reliably unit test any of these implementations? I don't see a mock implementation working, because then I'm only testing the mock code and not the actual code.

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  • Is testing every Anti-Virus definition before deployment feasible?

    - by Sim
    With the recent problems that McAfee customers have had over the last week there has been lots of opinion that not only should the AV vendors have better testing but customers should test AV signatures before deploying. Is this feasible? If you are doing this already do you take other measures to minimise exposure to malware while you are testing?

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  • NUnit Test Case Code Generator Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information

    - by user1732969
    im trying to load an assembly nunit created in Monodevelop Im using the software NUnit Test Case Code Generator for create unit testing http://www.codeproject.com/Articles/28461/NUnit-Test-Case-Code-Generator After compiling the project in MonoDevelop, loading file .dll of the proyect in Nunit Test case generator the following error appears: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. Can you help me?

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  • Are programmers bad testers?

    - by jhsowter
    I know this sounds a lot like other questions which have already being asked, but it is actually slightly different. It seems to be generally considered that programmers are not good at performing the role of testing an application. For example: Joel on Software - Top Five (Wrong) Reasons You Don't Have Testers (emphasis mine) Don't even think of trying to tell college CS graduates that they can come work for you, but "everyone has to do a stint in QA for a while before moving on to code". I've seen a lot of this. Programmers do not make good testers, and you'll lose a good programmer, who is a lot harder to replace. And in this question, one of the most popular answers says (again, my emphasis): Developers can be testers, but they shouldn't be testers. Developers tend to unintentionally/unconciously avoid to use the application in a way that might break it. That's because they wrote it and mostly test it in the way it should be used. So the question is are programmers bad at testing? What evidence or arguments are there to support this conclusion? Are programmers only bad at testing their own code? Is there any evidence to suggest that programmers are actually good at testing? What do I mean by "testing?" I do not mean unit testing or anything that is considered part of the methodology used by the software team to write software. I mean some kind of quality assurance method that is used after the code has been built and deployed to whatever that software team would call the "test environment."

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  • Should a developer create test cases and then run through test cases

    - by Eben Roux
    I work for a company where the development manager expects a developer to create test cases before writing any code. These test cases have to then be maintained by the developers. Every-so-often a developer will be expected to run through the test cases. From this you should be able to gather that the company in question is rather small and there are no testers. Coming from a Software Architect position and having to write / execute test cases wearing my 'tester' hat is somewhat of a shock to the system. I do it anyway but it does seem to be a rather expensive exercise :) EDIT: I seem to need to elaborate here: I am not talking about unit-testing, TDD, etc. :) I am talking about that bit of testing a tester does. Once I have developed a system (with my unit tests / tdd / etc.) the software goes through a testing phase. Should a developer be that tester and developer those test cases? I think the misunderstanding may stem from the fact that developers, typically, are not involved with this type of testing and, therefore, assumed I am referring to that testing we do do: unit testing. But alas, no. I hope that clears it up.

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  • Introducing a (new) test method to a team

    - by Jon List
    A couple of months ago i was hired in a new job. (I'm fresh out of my Masters in software engineering) The company mainly consists of ERP consultants, but I was hired in their fairly small web department (6 developers), our main task is ERP/ecom integration (ERP-integrated web shops). The department is growing, and recently my manager asked me to start thinking about introducing tests to the team, i love a challenge, but frankly I'm a bit scared (I'm the least experience member of the team). Currently the method of testing is clicking around in the web shop and asking the customer if the products are there, if they look okay, and if orders are posted correctly to the ERP. We are getting a lot of support cases on previous projects, where a customer or a customer's customer have run into errors, which - i suppose - is why my manager wants more structured testing. Off the top of my head, I though of some (obvious?) improvements, like looking at the requirement specification, having an issue tracker, enabling team members to register their time on a "tests"-line on the budget, and to circulate tasks amongst members of the team. But as i see it we have three main challenges: general website testing. (javascript, C#, ASP.NET and CMS integration tests) (live) ERP integration testing (customers rarely want to pay for test environments). adopting a method in the team I like the responsibility, but I am afraid that I'm in a little bit over my head. I expect that my manager expects me to set up some kind of workshop for the team where I present some techniques and ideas and where we(the team) can find some solutions together. What I learned in school was mostly unit testing and program verification, not so much testing across multiple systems and applications. What I'm looking for here, is references/advice/pointers/anecdotes; anything that might help me to get smarter and to improve the current method of my team. Thanks!! (TL;DR: read the bold parts)

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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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  • Needed list of special characters classification with respective characters

    - by pravin
    I am working on one web application , It's related to machine translation support i.e. which takes source text for translation and translated in to user specified language Currently it's in unit testing phase. Here, i want to check that, whether my machine translation feature is fully working for all the special characters. Because of different test cases I stuck at one point where i need all the special characters with classification. I needed all the special characters listing with classification. e.g. 1st : class name : Punctuation Characters : !?,"| etc test cases : segment1? segment2! segment3. 2nd : Class name : HTML entities characters : all the characters which belong under this class test cases : respective test cases 3rd : Class name : Extended ASCII characters :all the characters which belong under this class test cases : respective test cases Please folks provide this, if anyone has any idea or links so that i can make product perfect Thanks a lot

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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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  • Reducing the pain writing integration and system tests

    - by mdma
    I would like to make integration tests and system tests for my applications but producing good integration and system tests have often needed so much effort that I have not bothered. The few times I tried, I wrote custom, application-specific test harnesses, which felt like re-inventing the wheel each time. I wonder if this is the wrong approach. Is there a "standard" approach to integration and full system testing? EDIT: To clarify, it's automated tests, for desktop and web applications. Ideally a complete test suite that exercises the full functionality of the application.

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  • assistance with classifying tests

    - by amateur
    I have a .net c# library that I have created that I am currently creating some unit tests for. I am at present writing unit tests for a cache provider class that I have created. Being new to writing unit tests I have 2 questions These being: My cache provider class is the abstraction layer to my distributed cache - AppFabric. So to test aspects of my cache provider class such as adding to appfabric cache, removing from cache etc involves communicating with appfabric. Therefore the tests to test for such, are they still categorised as unit tests or integration tests? The above methods I am testing due to interacting with appfabric, I would like to time such methods. If they take longer than a specified benchmark, the tests have failed. Again I ask the question, can this performance benchmark test be classifed as a unit test? The way I have my tests set up I want to include all unit tests together, integration tests together etc, therefore I ask these questions that I would appreciate input on.

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  • Framework/tool for processing C++ unit tests with numerical output

    - by David Claridge
    Hi, I am working on a C++ application that uses computer vision techniques to identify various types of objects in a sequence of images. The (1000+) images have been hand-classified, so we have an XML file for each image containing a description of where the objects are actually located in the images. I would like to know if there is a testing framework that can understand/graph results from tests that are numeric, in this case some measure of the error in the program's classification of the images, rather than just pass/fail style unit tests. We would like to use something like CDash/CTest for running these automated tests, and viewing over time how improvements to the vision algorithms are causing the images to be more correctly classified. Does anyone know of a tool/framework that can do this?

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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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  • FREE eBook: .NET Performance Testing and Optimization (Part 1)

    In this this first part of complete guide to performance profiling, Paul Glavich and Chris Farrell explain why performance testing is a good idea and walk you through everything you need to know to set up a test environment. This comprehensive guide to getting started is an essential handbook to any programmer looking to set up a .NET testing environment and get the best results out of it. Download your free copy now span.fullpost {display:none;}

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  • When does depth testing happen?

    - by Utkarsh Sinha
    I'm working with 2D sprites - and I want to do 3D style depth testing with them. When writing a pixel shader for them, I get access to the semantic DEPTH0. Would writing to this value help? It seems it doesn't. Maybe it's done before the pixel shader step? Or is depth testing only done when drawing 3D things (I'm using SpriteBatch)? Any links/articles/topics to read/search for would be appreciated.

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  • Workflow Activity Extensions, Activity Packs and Unit Testing Framework

    - by JoshReuben
    http://wf.codeplex.com/ contains a plethora of infrastructure code and new activities for extending Workflow Foundation 4. These are also available as Nuget packages. These include: Activity Extensions Security Activity Pack ADO.NET Activity Pack Azure Activity Pack Activity Unit Testing Framework   view my PowerPoint presentation on these and more here: http://www.slideshare.net/joshuareuben9/workflow-foundation-activity-packs-extensions-and-unit-testing

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  • A Skill Testing (Search Engine) Calculation

    - by Ken Cox [MVP]
    To claim a contest prize, I had to answer the following skill-testing question: 1000 - 50 / 2 x 10 Okay, it’s not a problem as long as you know about operator precedence. As a developer, my brain automatically supplied brackets. I was curious as to whether this exact skill-testing question is commonly-used in online contests, so I Googled the formula. To my amazement, Google returned the result of the calculation – complete with brackets: 1 000 - ((50 / 2) x 10) = 750 (Google) Bing also has a calculator...(read more)

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  • FREE eBook: .NET Performance Testing and Optimization (Part 1)

    In this this first part of complete guide to performance profiling, Paul Glavich and Chris Farrell explain why performance testing is a good idea and walk you through everything you need to know to set up a test environment. This comprehensive guide to getting started is an essential handbook to any programmer looking to set up a .NET testing environment and get the best results out of it. Download your free copy now span.fullpost {display:none;}

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  • PluralSight video on Automated Web Testing with Selenium

    - by TATWORTH
    I am part-way through an excellent video at http://www.pluralsight.com/training/Courses/TableOfContents/selenium on Automated Web Testing with SeleniumSo far everything I have seen leads me to consider that this is an excellent demonstration of Selenium and I recommend to all ASP.NET developers who want to be able to automate testing of their web pages.Selenium is a free tool you can download from http://seleniumhq.org/download/

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