Verifying the behavior of a software system against the expected behavior of that system.

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0
votes
1answer
28 views

What is calendar time and execution time in terms of reliability testing?

What is calendar time and execution time in terms of reliability testing? My book is talking about the Musa Okumoto model and says that it uses calendar time and execution time. However googling and ...
0
votes
0answers
22 views

how to do test driven development for cgi / lua script

I'm new to cgi and just finished writing my test website using cgi / lua for an embedded device. Now I'd like to try writing some scripts to automate the testing of the various functions I have in my ...
0
votes
1answer
78 views

How do I actually use Selenium to automate UI testing? [closed]

We have a large inventory system where we work and making changes has the possibility to break things in other areas. This happens a lot, and it is hard to manually test for everything every time ...
-1
votes
3answers
97 views

What is the difference of smoke testing and black-box testing? [duplicate]

Main theme of my question is about the differences of Smoke Testing and other types of software testing specially Black-box testing but also I'm very curoius to know what is the purpose of this ...
0
votes
3answers
42 views

How to test Windows .NET TCP program handling of connection failure [closed]

I've written my own C# TCP communications module (using SocketAsyncEventArgs, although that's presumably irrelevant). My module runs at both ends of the connection, client and server. As part of the ...
2
votes
1answer
58 views

How do you get complete testing/QA in a git/hg flow development process?

I have a question about working with independent testers (not about unit and regression testing.) In a flow process I do my work on a feature branch until I'm confident that it works and I haven't ...
0
votes
1answer
43 views

How can I automatically test my app on multiple OSes? [closed]

I have a Python based desktop app that can run on Windows, Linux, and Mac. Each time I make an update, I would like to test that it works on each OS, because I have already had several OS-specific ...
0
votes
0answers
38 views

DBUnit alternatives to test DAO layer

We have a lot of DAO tests written with DBUnit and (it's ugly) datasoure. It's not that hard to edit it and add some new entries but it's annoying. Worse is that we have only one datasource for all ...
1
vote
2answers
35 views

Testing code in Java that is only loosely defined

My question is about testing in general. At school, professors say that testing has to be written before we begin to write some code. I guess we need to use EasyMock to represent the classes not ...
2
votes
3answers
73 views

Property based testing without reimplementing the code under test

Given a very simple method such as: def squaredDistance(p1: Point, p2: Point) = math.pow(p1.lon - p2.lon, 2.0) + math.pow(p1.lat - p2.lat, 2.0) What are some valuable property-based tests ...
4
votes
3answers
84 views

What is Black Box Testing? Are Functional and Usability Testing its types?

I am writing about testing and I am confused about the following: What exactly is Black-Box testing? Are functional testing and Usability testing two different types of testing and are they types of ...
-3
votes
0answers
35 views

how to test django app using mock and unittest [duplicate]

I have a question on testing django app using unittest and mock python library. I am taking a web design class this semester and we need to work in group to make a website for the class project. My ...
57
votes
11answers
6k views

Does path coverage guarantee finding all bugs?

If every path through a program is tested, does that guarantee finding all bugs? If not, why not? How could you go through every possible combination of program flow and not find the problem if one ...
0
votes
2answers
119 views

Why not using questions in TDD tests descriptions [closed]

I've been a (small) while (ten months more or less) doing TDD for my own applications, trying to improve my skills following this workflow. Thus I am comfortable writing tests, stubbing, mocking, etc. ...
0
votes
1answer
56 views

Test logic with external data [duplicate]

I have a site programmed in PHP where I make more call to external server that return me big xml of data. For each record of the xml I have to make other external call to get other data. So my ...
2
votes
2answers
81 views

Managing scaffolding for debug vs production builds

The more I program the more I realize that most of my time is spent writing scaffolding for programs so that I can debug them and then strip away the scaffolding for production. The problem is that ...
3
votes
0answers
57 views

Is there an industry standard term for a build which uses the production API, but is specifically for internal testing? [closed]

I'm working on clearing up our build processes of a PhoneGap app we're developing for iOS and Android, and I want to develop a concise naming scheme for our different build types. Here's what I'm ...
3
votes
3answers
113 views

How to write tests for function that depends on a config file?

I have a function that uses information from a config file. How do I test the function? Ideally, I'd want to inject my own version of the config file and test from there, but I'm not using dependency ...
29
votes
7answers
3k views

How can QA staff test caching logic that they can't see?

I just implemented a caching layer in my web application, and now I'm wondering how QA is supposed to test it, since caching is transparent to the user. One idea I have is to put logging in the ...
13
votes
6answers
1k views

Is creating the objects you think you will need ok in a first test in TDD

I'm fairly new to TDD and I have trouble when creating my first test when it comes before any of the implementation code. Without any framework to the implementation code I am free to write my first ...
2
votes
2answers
210 views

Don't repeat yourself vs do only one thing in a method

I am currently writing some test cases in python. I often end up calling the same two or three lines of code at the start of a test case in order to get the program I am testing going. For example: ...
0
votes
1answer
57 views

Cyclomatic complexity for 2 IFs - why not just FF or TT?

I know that cyclomatic complexity defines the number of independent paths in the code. Using the simple way, it can be calculated as number of IF +1. In that case, for a simple code with two IFs, CC ...
1
vote
1answer
75 views

Testing front-end app that hits a REST service

A lot of questions about testing here... And I have another one. Forgive me, but I want to make sure I do this right. Let's say I have a front-end application, be it a mobile app, or a single-page ...
0
votes
0answers
47 views

Domain analysis for discrete values - ON and OFF points in these cases

Following my previous question (with great answer from Bart van Ingen Schenau), I noticed a discrepancy I could not wrap my head around: Bart mentioned that: The point ON the boundary is by ...
1
vote
3answers
151 views

Domain analysis - why OFF points are inside of the domain when the border is open

I have asked on a few other sites, no response but it must be something silly as many authors mention in their books. Here is the best text I found: My ultimate question is: Why the OFF point lies ...
3
votes
3answers
127 views

Helping testers who don't have specialized domain knowledge

I am a team lead on a project that develops specialized engineering software. My developers generally have advanced degrees and the domain knowledge needed to work with the software we develop, but my ...
0
votes
4answers
58 views

Testing generic errors

I've got a program that validates it's input, and then errors. So far for each kind of error I created a new derived class. But this was getting pretty unwieldy (the input is complex so there are ...
1
vote
1answer
61 views

PHPUnit > Best approach to mock container objects? (e.g. $item->id)

I'm using PHPUnit test doubles to mock models, libraries etc. But when I want to return an array perhaps of container objects, how best to do so. Here is what I'm currently doing: /** * This is just ...
0
votes
1answer
75 views

Reproducing a bug in production that happens with a large database

We are running Oracle 12c and a custom application written in Java/JDBC (Java 8). Our production system is running a 5TB database and runs into deadlocks. However we have been unable to reproduce this ...
1
vote
1answer
72 views

how to unittest with thorough test coverage [duplicate]

I am trying to get into unit testing with python (though my question is not specific to python). I want to add a test for function I already have - I know I should do it the other way round, but here ...
0
votes
3answers
106 views

Should all possible counter-cases be tested? [duplicate]

I'm currently trying to unit test a behavior which, in some very particular cases, returns B instead of A. It may depend on the value of 3 different attributes for example. How should I test this? ...
0
votes
1answer
99 views

Testing process on life critical systems [duplicate]

I currently work in web development - unit testing, functional testing are all good and really are part of what is considered being a professional developer. However, I also have a fear of flying and ...
0
votes
6answers
189 views

Cheap implementations in fundamental TDD

This is a question concerning the fundamental approach of TDD, so the example below is as simple as possible which might make it seem a little useless; but of course the question applies to more ...
3
votes
1answer
154 views

How do you write tests for methods that interact with data in system files?

I'm trying to be proactive about writing an iOS app in a test-driven manner. However, I'm stumped as to how to test a method that is to interact with real system files. For those familiar with iOS, ...
3
votes
5answers
117 views

How QA/testing process can be evaluated?

I asked this question on Programmers about a crazy idea to evaluate how testers are doing their job. From the answers/comments, it seems community also considers that as a crazy idea. This is a spin ...
0
votes
2answers
109 views

Should methods perform checks that they accomplished the task they were built for? or should they just throw an exception?

What are some pro's and con's of validating your performed the task intended? public static bool UploadFile(string filename) { // 1. upload the file // 2. check to see if the file now exist ...
1
vote
3answers
54 views

Replace repeated timestamp with variable in tests

I have couple hundred tests and I work with date/time a lot. In some tests, I aim for output format, elsewhere, I check date ranges. Therefore, my tests have lots of these: FactoryGirl.create(:foo, ...
3
votes
2answers
211 views

Software development - The industry & general trends / Bad practices [duplicate]

I am a Web Developer and part of a small team working on an abundance of projects. This is my first "actual" real company after graduating with a degree in computer Science and I have about 2 years ...
-1
votes
1answer
62 views

Where should I create utility classes that are used by unit tests, integration tests and functional tests?

Say I have a project that's using the standard Maven/Gradle project directory structure, with the source file directory like this: src ├── functTest ├── integTest ├── main └── test What would be ...
1
vote
3answers
175 views

What does stubbing mean in programming?

I often hear the term stub, stub out somethings, stubs, ...etc. What does stubbing mean in programming, where the word come from? and in what contexts it can be used?(just examples)
5
votes
4answers
591 views

How to test a method which is not as much as a unit, because it is more of a 'orchestrator' / 'process' / 'controller' / 'coordination' class [duplicate]

I want to test a method which is not as much as a unit, because it is more of a 'orchestrator' / 'process' / 'controller' / 'coordination' class. This is the case: I have four unit tested classes: ...
195
votes
21answers
28k views

Leaving intentional bugs in code for testers to find

We don't do this at our firm, but one of my friends says that his project manager asked every dev to add intentional bugs just before the product goes to QA. This is how it works: Just before the ...
3
votes
1answer
227 views

Any reasons NOT to write self testing Python code?

Whilst writing tests I was giving considerable thought to the question of how to ensure I have tests for every class in my application. It occurred to me that maybe I should just put the test code ...
1
vote
1answer
79 views

Using conditional feature compilation/inclusion for release versioning

I have been playing with the following idea: commonly when different release series (1.0.x, 1.1.x, development code) of a product are maintained in parallel one uses different branches within a ...
1
vote
1answer
48 views

In boundary-value analysis, why test min+1 along with min?

In boundary analysis testing, some authors suggest testing MIN-1, MIN, MIN+1 (and the same for MAX). Also for 1-100 range (if A>=1 && A<=100), test cases would be: 0,1,2 and 99,100,101. I ...
3
votes
3answers
258 views

How does a software developer know if the target hardware is fast enough to run the software? [duplicate]

How do software developers manage to know if their software will run on the target hardware they are developing to? Many developers today work on machines much faster than the intended platform. What ...
4
votes
1answer
79 views

Summarizing time spent on UI tests

I was working with a team on a web-based software. We have written ~70-80 Selenium test for the product. Mainly happy-path tests with some regression ones for bugs reported by users. It was the first ...
1
vote
2answers
205 views

How to add rigor to my testing?

I work on a small/medium sized Java application. Over time, I've tried to ensure that the tests which I write are "good" tests, and that there's plenty of them. Hence I've been looking into various, ...
-1
votes
2answers
397 views

Scheduling a Jenkins job to only run integration test [closed]

My current company has a Jenkins/DotCi setup. Our current process for CI is when dev pushes to github, jenkins runs unit tests on all branches and reports back to us via email if the unit tests ...
1
vote
2answers
95 views

Java applets with Safari on Windows as compared to Safari on OS X [closed]

I have a developed an Applet which works fine on Chrome/IE/FF on Windows. I am not expecting any users for Safari on Windows but there might be the odd user who may be on a Mac. As of now, I don't ...