TDD stands for Test-Driven Development, or Test-Driven Design. It is the practice of writing a unit test before writing code to satisfy it, in what is known as the Red-Green-Refactor cycle.
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8answers
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Why isn't TDD part of programming lessons at school [closed]
My daughter and my son are learning Java with BlueJ. I really don't understand why the first thing they learn isn't to write code to bring a testcase to green light.
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1answer
144 views
Do you unit-test your PODs? [closed]
do you create unit-tests for PODs (Plain Old Data Structure)? And why?
I'm interested in your opinions.
Regards
Tobias
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10answers
658 views
Automated Testing: Explaining its Business Value
To start I don't think this is a repeat of other questions on unit testing. What I'm looking for help with is articulating its value to a team of programmers, analysts, managers and testers. By ...
0
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1answer
68 views
How do you test database abstraction in PHP?
I apologise in advance if this question is too subjective but I'm struggling to find a good answer, probably as there is not really a correct answer to give.
I'm currently writing a database ...
2
votes
6answers
246 views
How to time the sprints in Scrum to allocate time for TDD?
We have sprints of 4 weeks duration. What I have been doing is 3 weeks dev time and 1 week of pure manual/automated testing, stabilization and shipment assurance testing.
How to manage TDD within ...
26
votes
6answers
2k views
How should you TDD a Yahtzee game?
Let's say you're writing a Yahtzee game TDD style. You want to test the part of the code that determines whether or not a set of five die rolls is a full house. As far as I know, when doing TDD, you ...
1
vote
1answer
124 views
Why do we write our specs in different files from our source?
The D Programming Language supports writing unit tests inline with source. There's a Ruby gem called test_inline that lets you write specs in the same file as your code.
Why is it generally ...
1
vote
0answers
53 views
Stubbing and mocking boundaries
Suppose I'm building a JSON API and would like to include an endpoint that returns a list of recently created posts. Somewhere in my system is an existing Post model with the following test:
create ...
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0answers
65 views
How mature is node.js? What are your opinions? [closed]
We want to offer a software as web application. (It will be some simple form of a SaaS). Because we are a bunch of computer science students we don't mind so much about the environment and language we ...
9
votes
3answers
438 views
What to do when your colleagues don't value code maintainability [duplicate]
I've been working in the same software development department for a few years now. In that time, the average stay of a developer has been 6-9 months. A handful have been around for over 2 years, but ...
4
votes
2answers
716 views
Is the difference between BDD and TDD nothing more than a vocabulary shift? [duplicate]
I recently made a start on learning BDD (Behaviour Driven Development) after watching a Google tech talk presented by David Astels. He made a very interesting case for using BDD
and some of the ...
12
votes
4answers
1k views
Resources for Test Driven Development in Web Applications? [closed]
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 ...
34
votes
6answers
4k views
Good example of complex code using TDD
What would be a good example of the use of TDD in large, real-life, complex, projects? All the examples I've seen so far are toy projects for the purpose of a book or a paper...
Can you name an ...
8
votes
2answers
216 views
Orthogonality of unit tests vs. concision of unit tests
I'm writing unit tests for a steering system for a video game. The system has several behaviours (avoid this area because of reason A, avoid this area because of reason B, each adding a bit of context ...
7
votes
3answers
458 views
What is understood under “unit” in unit testing
As I understand in theory under "unit" people mean method (in OOP). But in practice tests which verify some method in isolation are very fragile behaviour tests (verifying not the result but the fact ...
1
vote
5answers
283 views
Understanding unit tests/TDD for ASP.NET webforms [closed]
I'm the lead programmer at a small software firm (currently 4 developers including myself), we develop bespoke ASP.NET WebForms applications for businesses. I joined there in 2010 just after ...
7
votes
5answers
389 views
How to TDD test that objects are being added to a collection if the collection is private?
Assume that I planned to write a class that worked something like this:
public class GameCharacter {
private Collection<CharacterEffect> _collection;
public void Add(CharacterEffect e) ...
4
votes
3answers
293 views
In TDD, if I write a test case that passes without modifying production code, what does that mean?
These are Robert C. Martin's rules for TDD:
You are not allowed to write any production code unless it is to
make a failing unit test pass.
You are not allowed to write any more
of a unit test than ...
0
votes
0answers
177 views
What's the next logical TDD move in this learning example?
I'm inching my way up the TDD ladder and I've got to a point where I'd like to get advice on the "next move". I realize there might not be a single answer here, so any logical suggestion would be ...
25
votes
5answers
1k views
Why is it often said that the test cases need to be made before we start coding? [duplicate]
Why is it often said that the test cases need to be made before we start coding?
What are its pros and what the cons if we don't listen to this advice?
Moreover, does that advice refer to black box ...
0
votes
2answers
183 views
Should I use TDD and BDD if my project is changing fast?
I have my own little project I am creating using RoR, I plan it to have small-medium load.
With no doubt I started with BDD and TDD (Cucumber and RSpec to be exact, but I am also experienced with ...
3
votes
2answers
172 views
Do I need to learn python first to understand the part 2 of the book Test Driven development?
It seems like Python is used as a coding language for part 2 of Kent Beck's book Test Driven Development. I have read the first part of that book and started appreciating the value of TDD . First part ...
0
votes
1answer
249 views
GUI Test Runner for Boost.Test
Does a Boost.Test have a GUI version of a test runner? The closest thing what I found is a Boost.Adapter for Galio (https://github.com/ndl/Gallio.BoostAdapter), but as that project been dead for two ...
4
votes
1answer
123 views
Is there a modern replacement for a mutation testing tool like Jester for Java?
“Why just think your tests are good when you can know for sure?
Sometimes Jester tells me my tests are airtight, but sometimes the
changes it finds come as a bolt out of the blue. Highly ...
4
votes
2answers
245 views
Can I start with a passing unit test?
Uncle Bob's rules for TDD are specified here.
You are not allowed to write any production code unless it is to
make a failing unit test pass.
You are not allowed to write any more
of a unit test ...
1
vote
2answers
217 views
Any pre-rolled System.IO abstraction libraries out there for Unit Testing?
To test methods that use the file system we need to basically put System.IO behind a set of interfaces that we can then mock, I do this with a DiskIO class and interface.
As my DiskIO code gets ...
125
votes
23answers
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Why does automated testing keep failing in my company?
We have tried to introduce developer automated testing several times at my company. Our QA team uses Selenium to automate UI tests, but I always wanted to introduce unit tests and integration tests. ...
16
votes
4answers
1k views
Why is test driven development missing from Joel's Test?
I was reading this blog by Joel Spolsky about 12 steps to better code. The absence of Test Driven Development really surprised me. So I want to throw the question to the Gurus. Is TDD not really worth ...
30
votes
10answers
2k views
TDD - is it just about unit tests? [duplicate]
Do I understand it right that classical TDD is just about unit tests? Don't understand me wrong: I know the difference between TDD and just unit testing. I am asking whether it is correct to use ...
28
votes
5answers
2k views
Test driven development - convince me! [closed]
I know some people are massive proponents of test driven development. I have used unit tests in the past, but only to test operations that can be tested easily or which I believe will quite possibly ...
