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

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4
votes
2answers
299 views

How can I test an application that depends on specific hardware

I have written an Android application. The application requires a Bluetooth connection to a very specific piece of hardware, currently a prototype. The only way I can test the app at present is to ...
5
votes
4answers
692 views

Test Driven Development: A good/accepted way to test file system operations?

I am working on a project at the moment that generates a table (among other things) based on the contents of a file-system, and and in turn does some meta-data modifications on the things it finds. ...
2
votes
1answer
182 views

Rethinking testing strategy

Working on Plone projects our team tries to achieve full test coverage at least for important products. The kind of tests we write are unit tests, functional tests and integration tests. (Also ...
7
votes
3answers
315 views

Should I store test files in source control?

I have a number of (large) test files that need to be maintained. This means access to their history is a requirement. Benefits Any new developers get the entire test suite with just a git pull. ...
2
votes
2answers
175 views

Equivalence partitioning understanding A<5 and B<5

I do not understand the following example. It says that a function X will be executed if either of A and B variables will be lower than 5. The go on and explains that there are three valid equivalence ...
4
votes
1answer
176 views

How to deal with the notion of time in UI/Integration tests

There are some well-known techniques for dealing with the notion of time in unit tests. These allow you to write unittests that always work with a specific time so the outcome of the test is ...
3
votes
2answers
726 views

What are the different meanings of 'fixture'?

I have some difficulty understanding the concept of "fixture". I know what a test suite is, a test case, a test run, but what exactly is a "fixture"? A parameterized test case? It seems to me that ...
1
vote
2answers
636 views

Assert equality in mstest when types may differ

I've been working on some MSTest automated test infrastructure, that is testing a tool that merges data sets into SQL Server database tables. The basic structure of the test is to: Define the ...
2
votes
2answers
194 views

Who fixes broken tests? [duplicate]

Our small team has made the curious observation that diagnosing and fixing broken automated tests is a useful activity; in particular, if the CI build indicates that developer A's last check-in broke ...
0
votes
1answer
65 views

Using a flag in in-memory-repository to indicate update to entity

I'm about to write a lot of test for my application. While some of the tests check whether everything works if the user enters the right data, most of them deal with wrong/missing data. In these cases ...
1
vote
1answer
502 views

Can AspectJ or AOP in general be used to test exception handling?

I'm reading a book's chapter ("Controlled Exception Test" in "Testing Object-Oriented Testing") about testing exception handling in a running system (not at unit level). The conclusion is that it is ...
1
vote
2answers
138 views

Understanding unit testing for dynamically changing condition

I was trying to understand how to write unit tests for a few days now. I'm confused with following scenarios in the existing code. In first function the max value changes depending on the object ...
1
vote
3answers
338 views

Should you write automated tests to check that data is correct (the contents of config files, databases, etc.)?

Simply put: is there a best practice for whether developers should write automated tests to check that data is correct (the contents of config files, databases, etc.)? If so, what is it? Assume that ...
-2
votes
4answers
187 views

How to use unit testing? [duplicate]

How to use unit testing? There are a lot of frameworks for different languages, which provide functionality of unit testing. There is a lot of information on how to use each of them technically. Just ...
8
votes
3answers
497 views

Doesn't single-assert unit testing break the DRY principle?

Whenever I write unit tests I have always tried to have a single assert per test to make debugging easier when tests fail. However as I follow this rule I feel like I am constantly copying the same ...
0
votes
3answers
5k views

What would be negative test case for this scenario?

Let's say we have some requirements Req1: User name will accept 6-10 character alpha value. Req2: On click of Submit button, application will show error message "Please enter value or character ...
2
votes
1answer
169 views

Strategy for normalising and interpreting location data

I'm a bit stuck with a problem involving the normalisation of location input data from the user (which comes from a third party). Aim To logically breakdown and interpret the user location input ...
2
votes
2answers
551 views

Should I bother to write unit test for UI/UX Components?

So I am building an application with Angular and have started to get into UI testing with DalekJS (http://dalekjs.com). As I have been writing these tests I have been thinking to myself, should I ...
7
votes
5answers
307 views

Solving which bugs will give greatest cost benefit [duplicate]

I wanted to get an idea of categorizing bugs based on how easy is it to solve and how much benefit it will give me. for e.g., if there is a bug which will take say an hour (double file close etc.) to ...
2
votes
2answers
438 views

Unit Tests work but there are still bugs?

Brief History I am new to Automated Unit Testing and Mocking objects world; previously we used to do Unit Testing (including Integration Testing and we mistakenly referred that as Unit Testing) ...
5
votes
3answers
2k views

Who should be responsible to write test cases? [duplicate]

Should tests in some project be written by the actual person that does the coding (usually senior in our team) or it can be done by junior coders with less experience?
3
votes
3answers
359 views

How should I tackle code testing on a solo project?

I am writing a piece of software and I would like to release it open source. Should I try just getting it stable on my computer (with normal use; no "things a monkey wouldn't even do") before ...
6
votes
4answers
560 views

I have 200k lines of poorly designed code, will units tests or integration tests be more valuable? [duplicate]

I've inherited a lot of poorly designed code; the code has no tests. I am putting tests in place before I attempt a major refactor, but I have run into a problem with my unit tests. The problem is, I ...
4
votes
4answers
177 views

Should validation rules be tested?

If I have a method taking input and giving output, it's a no-brainer that tests should be written. But what about things like validation rules? For example, I add a validation rule that a certain ...
2
votes
4answers
695 views

How to practice ATDD if design is not yet emerged from TDD?

Despite being very stakeholders friendly, ATDD aimed to provide a "stop" line when a feature has just been done. This avoids wasting time to add non-focused (and sometimes useless) code. That's why ...
-1
votes
1answer
144 views

What must testers be able to do to be 'highly qualified'? [closed]

Are modern testers like 'stupid' users which try to find a bug clicking and filling fields or they have solid knowledge about product cores? What modern testers must be able to do? Must they be ...
1
vote
1answer
614 views

Difference between application-level and system-level testing [duplicate]

I heard the terms "application-level testing" and "system-level testing". I think I know the difference, but I am not sure. I tried to do some research on the internet, but the closest explanation of ...
3
votes
1answer
282 views

How do I test this?

I've attempted test first in Ruby on Rails using Test Unit and RSpec. I'm wondering how to do test first in situations that are more closely tied to the OS/filesystem. Problem: Building a USB stick ...
11
votes
5answers
1k views

Do I need unit test if I already have integration test?

If I already have integration test for my program, and they all passed, then I have a good feel that it will work. Then what are the reasons to write/add unit tests? Since I already have to write ...
3
votes
5answers
312 views

Best way to test a reimplemented web service

In my team, we are about to start the reimplement of a service. One of the important steps to do to accomplish this is how do we ensure that we are doing it in the right way and we are not ...
46
votes
6answers
4k views

65.000.000.000 tests to run

I was asked about how to run a suite of 65.000.000.000 tests and I wonder if it is normal to have a project with such a huge amount of tests. Have you worked in projects with this characteristic?
3
votes
1answer
174 views

calling test methods within other test methods

To test a method that returns a clone of the object it is called on, i need to re-run the test suite on the newly created object if i am to ensure that full functionality is retained, i found my ...
9
votes
5answers
339 views

What are some possible interactions between multiple bugs? [closed]

I was thinking about how two bugs could interact with one another. The only relationship I can think of is one bug being the cause of another. What other interactions between multiple defects are ...
25
votes
4answers
1k views

Why it is not recommended to post several defects in the same issue / ticket?

I am not sure if this is the place to ask the following conceptual question (Stackoverflow is definitely not). I saw this question in a multiple choice exam (single answer), similar to the ISTQB ...
2
votes
1answer
136 views

Dev environment different from testing environment

I'm working on a .net web app project where we develop on our personal machines, but our testing and production environments are in a corporate intranet. The problem is I run into bugs that only ...
6
votes
2answers
612 views

Unit test SHA256 wrapper queries

I have the following SHA256 wrapper. public static string SHA256(string plainText) { StringBuilder sb = new StringBuilder(); SHA256CryptoServiceProvider provider = new ...
19
votes
5answers
975 views

Should testers approve releases, or just report on tests?

Does it make sense to give signoff authority to testers? Should a test team Just test features, issues, etc, and simply report on a pass/fail basis, leaving it up to others to act on those results, ...
0
votes
2answers
186 views

Continuous integration testing server: hosted, own desktop, or own server

For testing, I am planning to run a continuous integration testing. There are mainly two options: hosted, or own desktop/server. I will break it into 3 options I have: Hosted: Economical, ...
0
votes
0answers
83 views

How do I explain the importance of NUNIT Test cases to my Colleagues [duplicate]

I am currently working in Software Development for applications including lot of Mathematical Calculations. As a result there are lot of test cases that we need to consider. We donot have any NUNIT ...
2
votes
2answers
176 views

How are design-by-contract and property-based testing (QuickCheck) related?

Is their only similarity the fact that they are not xUnit (or more precisely, not based on enumerating specific test cases), or is it deeper than that? Property-based testing (using QuickCheck, ...
4
votes
4answers
99 views

Should I write an integration test that verifies rate limits?

This test would call a web service over and over for about a minute to confirm that a particular response code is returned, notifying us of our rate limit being reached. Not only is it a very slow ...
1
vote
1answer
104 views

How can I test linkable/executable files that require re-hosting or retargeting?

Due to data protection, I cannot discuss fine details of the work itself so apologies PROBLEM CASE Sometimes my software projects require merging/integration with third party (customer or other ...
3
votes
3answers
181 views

When to write tests for a new class using BDD?

I've been practicing behaviour driven development (BDD). I understand that you have to write tests that test the behaviour of the code, and this will allow the design of your code to evolve and take ...
1
vote
4answers
1k views

Unit-Testing functions which have parameters of classes where source code is not accessible

Relating to this question, I have another question regarding unit testing functions in the utility classes: Assume you have function signatures like this: public function void ...
2
votes
1answer
143 views

Why use test runners?

I'm currently designing an automated testing framework for doing embedded systems testing on an embedded Linux system. There exists an old system, but it is particularly hard to use, mainly because it ...
3
votes
5answers
253 views

Testing From A Developer's Perspective [closed]

I have a book which mentions: "There are many types of testing, including unit testing, integration testing, functional testing, system testing, performance testing, and acceptance testing". It ...
2
votes
1answer
137 views

Testing MVC models when using SQL referential constraints

I have an MVC web app that's wired against PostgreSQL. The DB uses the full gamut of various referential constraints to ensure referential integrity, as opposed to say the Rails approach, where you ...
2
votes
1answer
266 views

How to write integration tests for a component oriented software platform

Initial situation: We are developing a software platform where products can be generated by configuring different components and adding additional ones. The platform is developed several years by a ...
0
votes
0answers
110 views

How do I test my non-Ruby website using Ruby?

I would like to build some Ruby tests to test my non-Ruby website. I love the Ruby testing tools (webrat, capybara, etc.) but they seem to be targeted to testing local sites. How can I use these ...
4
votes
3answers
496 views

Javascript behavior depends only on browser or browser + OS?

Generally for a javascript application, compatibility is mentioned in terms of browser types and browser versions it supports. Frameworks/Libraries like ExtJs also mention about the browser versions ...