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  • Mimicking a bluetooth disconnection

    - by user2529672
    I've written a program to control a bluetooth device. I'm trying to test cases when the bluetooth disconnects, i.e. if its out of range. Physically taking the device out of range is one possibility, but its quite cumbersome and I have to go outside my office to achieve this. What can I do to trigger a disconnection? Is there, for example, an interferer I can setup, say with an Android phone, that would make the connection drop? Or limit the Bluetooth transmit power? Any other possibilities?

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  • How do people maintain their test suite?

    - by Ida
    In particular, I'm curious about the following aspects: How do you know that your test cases are wrong (or out-of-date) and needed to be repaired (or discarded)? I mean, even if a test case became invalid, it might still pass and remain silent, which could let you falsely believe that your software works okay. So how do you realize such problems of your test suite? How do you know that your test suite is no longer sufficient and that new test cases should be added? I guess this has something to do with the requirement changes, but is there any systematic approach to check the adequacy of test suite?

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  • Bug severity classification issues

    - by KyleMinn
    In a book I have, there is a following classification of defect: Critical : A defect receives a “critical” severity level if one or more critical system functionalities are impaired by a defect with is impaired and there is no workaround. High: A defect receives a “high” severity level if some fundamental system functionalities are impaired but a workaround exists. Medium: A defect receives a “medium” severity level if no critical functionality is impaired and a workaround exists for the defect. Low: A defect receives a “low” severity level if the problem involves a cosmetic feature of the system. To be honest, I do not get it.. For example point 2. What if fundamental but not critical feature is impaired and there is NOT a workaround. The same for point 3: what if no critical functionality is affected but there is no workaround? E.g. optional field in the registration form does not work. No workaround but barely an issue.

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  • Is there a better way to organize my module tests that avoids an explosion of new source files?

    - by luser droog
    I've got a neat (so I thought) way of having each of my modules produce a unit-test executable if compiled with the -DTESTMODULE flag. This flag guards a main() function that can access all static data and functions in the module, without #including a C file. From the README: -- Modules -- The various modules were written and tested separately before being coupled together to achieve the necessary basic functionality. Each module retains its unit-test, its main() function, guarded by #ifdef TESTMODULE. `make test` will compile and execute all the unit tests, producing copious output, but importantly exitting with an appropriate success or failure code, so the `make test` command will fail if any of the tests fail. Module TOC __________ test obj src header structures CONSTANTS ---- --- --- --- -------------------- m m.o m.c m.h mfile mtab TABSZ s s.o s.c s.h stack STACKSEGSZ v v.o v.c v.h saverec_ f.o f.c f.h file ob ob.o ob.c ob.h object ar ar.o ar.c ar.h array st st.o st.c st.h string di di.o di.c di.h dichead dictionary nm nm.o nm.c nm.h name gc gc.o gc.c gc.h garbage collector itp itp.c itp.h context osunix.o osunix.c osunix.h unix-dependent functions It's compile by a tricky bit of makefile, m:m.c ob.h ob.o err.o $(CORE) itp.o $(OP) cc $(CFLAGS) -DTESTMODULE $(LDLIBS) -o $@ $< err.o ob.o s.o ar.o st.o v.o di.o gc.o nm.o itp.o $(OP) f.o where the module is compiled with its own C file plus every other object file except itself. But it's creating difficulties for the kindly programmer who offered to write the Autotools files for me. So the obvious way to make it "less weird" would be to bust-out all the main functions into separate source files. But, but ... Do I gotta?

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  • Recognizing text fields according to their label value

    - by Pierpaolo Bagnasco
    I have an application who has text fields (not select, not checkbox or other types) where an user can enter some value, like this: ISBN and E-Mail are the label of each input. Now I have to automatically test these inputs according to their label. The question is: how to recognize that, for example, the first input requires an ISBN code? I programmed something like this: turn the label value to lowercase check if the label value contains isbn if so set the field value to a random ISBN code (i.e.: 1234567890), else set it to a random value (default) For the email field: turn the label value to lowercase check if the label value contains e-mail or email or mail if so set the field value to a random email (i.e.: [email protected]), else set it to a random value (default) And so on for each text field I encounter. Is that reliable? How can I improve the "recognizing part"? I know only the label value and the field value (what is already written in the field by default) for each text input.

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  • I want to start using TDD. Any tips for a beginner?

    - by Mike42
    I never used an automated test mechanism in any of my projects and I feel I'm missing a lot. I want to improve myself, so I have to start tackling some issues I've been neglecting like this and trying Git instead of being stuck on SVN. What's a good way to learn TDD? I'll probably be using Eclipse to program in Java. I've heard of JUnit, but I don't know if there's anything else I should consider.

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  • Is the test, which touches the filenames under directory, a kind of unittest? [on hold]

    - by Chen OT
    I was told that unittest is fast and the tests which touches DB, across network, and touches FileSystem are not unittest. In one of my testcases, its input are the file names (amount about 300~400) under a specific folder. Although these input are part of file system, the execution time of this test is very fast. Should I moved this test, which is fast but touches file system, to higher level test?

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  • Coded UI Test Method failed inconsistently

    - by Sunitha M
    The following exception failing my UI automation test. Message: Test method CodedUITestMethod1 throw exception: The playback failed to find the control with the given search properties. Additional Details: TechnologyName: 'UIA' ControlType: 'MenuItem' Name: 'MyViewModel' ---> system.runtime.interopservices.comexception error hresult e_fail has been returned from a call to a COM component please any one give me a solution for these type of exceptions.

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  • How to open-source a project whose git repository has copyrighted media in the history?

    - by phyzome
    I want to release an audio fingerprinting software project under a free license, but the repository contains copyrighted audio files. The test cases also currently use these files. How do I release the code to the public with maximum version history but without violating copyright? Details: The code is versioned under git. We will collapse it all back into one branch before release. There are 400 MB of audio data. Some files are free-licensed music from e.g. Jamendo, others are MP3s from our personal collections. No matter what approach we take, we'll always keep an immutable copy of the original repo, so as not to destroy project history. Main question: How to handle the public release? Expunge all history of the files in question from the git repository and release the altered repo. (v64 pointed out a way to do this.) Alternatively, take a snapshot of the current state of the code and don't even bother having a public history of the pre-release code. Side question: How could we have avoided this dilemma in the first place, given that sometimes private code or media is needed for the early stages of a project?

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  • Is testable code actually more stable? [closed]

    - by Xodarap
    A google scholar search turns up numerous papers on testability, including models for computing testability, recommendations for how ones code can be more testable, etc. They all come with the assertion that more testable code is more stable, however I can't find any studies which actually demonstrate this. I tried looking for studies evaluating the effect of testable code vs. quality, however the closest I can find is Improving the Testability of Object Oriented Systems, which discusses the relationship between design flaws and testability. Is testable code is actually more stable? And why, or why not? Please back up your answers with references or evidence to back up your claim.

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  • Is a functional spec a part of the System requirement spec?

    - by user970696
    I wonder, sources like wikipedia or templates I found shows that Functional spec is a part of System requirement documents. I always thought that SRD is just overall decsription of the system, with all functional and non functional requirements. Yet I thought that Functional spec is more detailed and it is a separate document, while SRD is high level customer-created description (how is this one called then?) Could anyone help to make this clear for me?

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  • How best to construct our test subjects in unit tests?

    - by Liath
    Some of our business logic classes require quite a few dependencies (in our case 7-10). As such when we come to unit test these the creation become quite complex. In most tests these dependencies are often not required (only some dependencies are required for particular methods). As a result unit tests often require a significant number of lines of code to mock up these useless dependencies (which can't be null because of null checks). For example: [Test] public void TestMethodA() { var dependency5 = new Mock<IDependency1>(); dependency5.Setup(x => x. // some setup var sut = new Sut(new Mock<IDependency1>().Object, new Mock<IDependency2>().Object, new Mock<IDependency3>().Object, new Mock<IDependency4>().Object, dependency5); Assert.SomeAssert(sut.MethodA()); } In this example almost half the test is taken up creating dependencies which aren't used. I've investigated an approach where I have a helper method. [Test] public void TestMethodA() { var dependency5 = new Mock<IDependency1>(); dependency5.Setup(x => x. // some setup var sut = CreateSut(null, null, null, null, dependency5); Assert.SomeAssert(sut.MethodA()); } private Sut CreateSut(IDependency1 d1, IDependency2 d2...) { return new Sut(d1 ?? new Mock<IDependency1>().Object, d2 ?? new Mock<IDependency2>().Object, } But these often grow very complicated very quickly. What is the best way to create these BLL classes in test classes to reduce complexity and simplify tests?

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  • Convert project without introducing bugs

    - by didietexas
    I have the C++ code of a exe which contains a UI and some process. My goal is to remove the UI so that I only have the process and to convert the exe into a dll. In order to do that, I am thinking of generating unit test before touching any code and then to do my modification and make sure the tests are not failing. The problem is that I am not sure if this is the best approach and if it is, is there a way to automatically generate unit test. BTW, I am using VS 2012. Do you have any guidance for me?

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  • How do you test your porn filter

    - by Zoredache
    For testing antivirus we have EICAR, for SPAM, we have GTUBE. Is there a standard site that is or should be included in blacklists that you can use for testing instead of going to your favorite porn site in front of your boss, the CEO, or someone else who feels that seeing such a site is an excuse for a sexual harassment suit? Update This is less about getting permission for me to test, though that answer is useful. I do have both permission and responsibility to actually make sure the filter is running. I am able test the filter is functioning with a netcat. Instead, I am hoping there is a standard domain name that is blocked by most/all filters for testing. I need to be able to share this with my boss and users. I need to be able to demonstrate what happens when someone go to a filtered page. I need to have a way to quickly prove to others that the filter is working without asking them to go to some site that will not cause grief if for some reason the filter is not working. If there isn't already a good domain for this purpose I may simply have to register a domain myself, and then add the domain to all the filters I am responsible for.

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  • Selenium Grid with parallel testing using C#/NUnit

    - by seth
    I've got several unit tests written with NUnit that are calling selenium commands. I've got 2 win2k3 server boxes setup, one is running selenium grid hub along with 2 selenium rc's. The other box is running 5 selenium rc's. All of them are registered with the hub as running Firefox on Windows (to keep it simple). In my unit test setup method I've got it connected to the hub's hostname at port 4444. When running the tests, they only run sequentially (as expected). I've done a lot of reading on NUnit's roadmap and how they are shooting for parallel testing abilities. I've seen lots of pointers to using PNUnit in the meantime. However this seems to completely defeat the purpose of the Selenium Grid. Have any of you successfully implemented parallel testing using C#/NUnit connected to a Selenium Grid setup? If so, please elaborate. I'm at a complete loss at how this will/can work using NUnit as it exists now (I'm using version 2.9.3)

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  • asp.net mvc controller actions testing

    - by Imran
    I was just wondering how others are going about testing controller actions in asp.net mvc? Most of my dependencies are injected in to my controllers so there is a not a huge amount of logic in the action methods but there may be some conditional logic for example which I think is unavoidable. In the past I have written tests for these action methods, mocked the dependencies and tested the results. I have found this is very brittle and a real PITA to maintain. Having 'Expect' and 'Stub' methods everywhere breaks very easily but I don't see any other way of testing controller actions. I actually think it might be easier to test some of these manually! Anyone have any suggestions? Perhaps I am missing something here? Thanks Imran

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  • CUDA: How to reuse kernels in multiple files (for unit testing)

    - by zenna
    How can I go about reusing the same kernel without getting fatal linking errors due to defining the symbol multiple times In Visual Studio I get "fatal error LNK1169: one or more multiply defined symbols found" My current structure is as follows: Interface.h has an extern interface to a C function: myCfunction() (ala the C++ integration SDK example) Kernel.cu contains the actual __global__ kernels and is NOT included in the build: __global__ my_kernel() Wrapper.cu inlcudes Kernel.cu and Interface.h and calls my_kernel<<<...>>> This all works fine. But if I add another C function in another file which also includes Kernel.cu and uses those kernels, I get the errors. So how can I reuse the kernels in Kernel.cu among many C functions in different files. The purpose of this by the way is unit testing, and integrating my kernels with CPP unit, if there is no way to reuse kernels (there must be!) then other suggestions for unit testing kernels within my existing CPP unit framework would be appreciate. Thanks Zenna

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  • iphone - testing if an object exists

    - by Mike
    I have several apps in my app that can become nil at some point and I have methods that in theory are used to put these objects to nil. But, if I try to put to nil an object that does not exist, the app will crash. for example... [object1 release]; object1 = nil; //... and after that [object removeFromSuperview]; // this will crash Then I thought, why not testing to see if the object exists before removing... if (object1 != nil) [object removeFromSuperview]; // this will crash too, because object1 cannot be tested for nil because it does not exist How can I check if the object exists before testing if it is nil? something as if (object exists( { if(object != nil)) [object removeFromSuperview) } is this possible?

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  • Should I unit test the model returned by DefaultModelBinder?

    - by Byron Sommardahl
    I'm having some trouble unit testing the model returned by DefaultModelBinder. I want to feed in a fake form collection and check the model that it returns to make sure model properties are being bound properly. In my research, I'm not turning up -any- resources on testing the DefaultModelBinder. Maybe I'm missing something. Maybe I shouldn't be testing this part of MVC? Your thoughts?

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  • Testing Django web app with Hudson and Selenium

    - by ycseattle
    This might be a newbie question for Hudson. I am trying to setup Selenium testing for my Django website in my Hudson CI server. The question is, the Hudson will use subversion to checkout my Django code into its own path, how do I "deploy" the code into the same server for testing? This is not a question about deploying django, but instead how to access the source file in hudson workspace. Most tutorials/blogs is about building and running tests, but I couldn't find useful information about how to setup the web application on the server to run the test against. 1) Should I write some shell script to copy the source files from the hudson workspace? Is there an environment variable to use to access the workspace? 2) Is there a tutorial on how to grab web app files in hudson workspace and deploy them? I am sure this apply for other technologies like PHP as well. Thanks!

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  • Testing perceived performance

    - by Josh Kelley
    I recently got a shiny new development workstation. The only disadvantage of this is that the desktop apps I'm developing now run very, very fast, and so I fear that parts of the code that would be annoyingly slow on end users' machines will go unnoticed during my testing. Is there a good way to slow down an application for testing? I've tried searching around, but all of the results I've been able to find seem pretty fiddly to set up (e.g., manually setting up a high-priority CPU-bound task on the same CPU core as the target app, or running a background process that rapidly interrupts and resumes the target app), and I don't know if the end result is actually a good representation of running on a slower computer (with its slower CPU, slower RAM, slower disk I/O...). I don't think that this is a job for a profiler; I'm interested in the user's perception of end-to-end performance rather than in where the time goes for particular operations.

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  • Is this a good or bad way to use constructor chaining? (... to allow for testing).

    - by panamack
    My motivation for chaining my class constructors here is so that I have a default constructor for mainstream use by my application and a second that allows me to inject a mock and a stub. It just seems a bit ugly 'new'-ing things in the ":this(...)" call and counter-intuitive calling a parametrized constructor from a default constructor , I wondered what other people would do here? (FYI - SystemWrapper) using SystemWrapper; public class MyDirectoryWorker{ // SystemWrapper interface allows for stub of sealed .Net class. private IDirectoryInfoWrap dirInf; private FileSystemWatcher watcher; public MyDirectoryWorker() : this( new DirectoryInfoWrap(new DirectoryInfo(MyDirPath)), new FileSystemWatcher()) { } public MyDirectoryWorker(IDirectoryInfoWrap dirInf, FileSystemWatcher watcher) { this.dirInf = dirInf; if(!dirInf.Exists){ dirInf.Create(); } this.watcher = watcher; watcher.Path = dirInf.FullName; watcher.NotifyFilter = NotifyFilters.FileName; watcher.Created += new FileSystemEventHandler(watcher_Created); watcher.Deleted += new FileSystemEventHandler(watcher_Deleted); watcher.Renamed += new RenamedEventHandler(watcher_Renamed); watcher.EnableRaisingEvents = true; } public static string MyDirPath{get{return Settings.Default.MyDefaultDirPath;}} // etc... }

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