2
votes
1answer
59 views

Testing gap between unit and integration: Integration in the Small, Component, Unit Integration Tests

Over the past few weeks I've been mulling and researching how to fill a gap in our testing methodology. In simplified terms unit tests are too small and traditional integration tests are too big. A ...
0
votes
1answer
104 views

How do you detect lying Stubs/Mocks?

Consider this piece of code from the PHPUnit manual(I'm using PHP only as an example): class StubTest extends PHPUnit_Framework_TestCase { public function testStub() { // Create a ...
3
votes
0answers
76 views

How do you prevent confused tests? [duplicate]

Testing code for correctness is important. Whether you do strict TDD or not, tests are really the only way a project can scale in size beyond a point where every team member can reasonably keep all ...
15
votes
6answers
764 views

From a TDD perspective, am I a bad person if I test against a live endpoint instead of a mock?

I follow TDD religiously. My projects typically have 85% or better test coverage, with meaningful test cases. I do a lot of work with HBase, and the main client interface, HTable, is a real pain ...
2
votes
1answer
210 views

Unit test JSON parsing code?

In my humble view of unit testing a unit test tests a single unit of code. For me, this means a single class. Every dependency for that class is mocked in the corresponding test class, and passed in ...
0
votes
1answer
166 views

What kind of a test is a “consistency check”?

Some or all of the tests I write and run are checks for consistency e.g. assert that if I create a new user account, that the account that was created actually has the same name as the name that was ...
27
votes
7answers
2k views

Is it sufficient to use acceptance and integration tests instead of unit test?

Short introduction to this question. I have used now TDD and lately BDD for over one year now. I use techniques like mocking to make writing my tests more efficiently. Lately I have started a ...
2
votes
1answer
137 views

How can I automatically test a large, complex spreadsheet?

So, I've inherited one of those "Engineer's Special" spreadsheets -- the kind developed by Mort the Engineer, with lots of hairy VBA and WTF, complicated calculations, and no documentation. ...
2
votes
1answer
496 views

How to unit test a web client?

I am having a lot of trouble understanding how to unit test my web client. I have just finished a project using TDD for the first time - this project hd no external dependencies such as API calls or ...
6
votes
3answers
3k views

How can I unit test a class which requires a web service call?

I'm trying to test a class which calls some Hadoop web services. The code is pretty much of the form: method() { ...use Jersey client to create WebResource... ...make request... ...do ...
13
votes
1answer
1k views

How do I test a file reader?

I am working on a project with a few file formats. Some formats are specified by .xsds, others by documentation on their respective websites, and some are custom in-house formats that have no ...
2
votes
2answers
373 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) ...
6
votes
4answers
485 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 ...
8
votes
5answers
855 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 ...
17
votes
4answers
2k views

Is there a point to unit tests that stub and mock everything public?

When doing unit tests the "proper" way, i.e. stubbing every public call and return preset values or mocks, I feel like I'm not actually testing anything. I'm literally looking at my code and creating ...
3
votes
1answer
171 views

Shared context: good or bad?

RSpec allows users to share context across tests / examples, which would reduce the number of code lines in my app by a significant amount. On the other hand, somehow related to the question of ...
3
votes
7answers
539 views

Why don't I see many unit test projects that bring up and tear down a DB? (ASP.NET MVC)

I see all the examples that demonstrate unit testing code and mocking the calls to the DB since you are not suppose to touch the DB. But it seems to me having a set up tasks that uses the actually ...
4
votes
5answers
663 views

How can I test parts of my application against the output of third party application?

I have a fairly new C# application, approximately 6 months old, that we are now trying to incorporate testing into. (Should have been done from the start but I can't change the past) Parts of this ...
5
votes
1answer
6k views

How can I unit-test my REST web service?

I am new to unit testing, I've one REST web method that just calls DB and populates a DTO. Pseudo code is public object GetCustomer(int id) { CustomerDTO objCust = //get from DB return objCust; } ...
8
votes
2answers
257 views

Should I refactor my unit tests when I extract a class out of the System Under Test?

I wrote this class that does a few things (perhaps this is a violation of the Single Responsibility Principle). I realize now that some other part of the project needs a piece of that logic and the ...
8
votes
2answers
438 views

How do I know if I have enough unit test coverage to remove an integration test?

I'm working on a legacy system (by that I mean it was written without tests). We've tried to test some of the system by writing integration tests that test functionality from the outside. This ...
3
votes
4answers
1k views

Why do I need unit tests for testing repository methods?

I need to play devils advocate on this question a bit because I cannot defend it well because of lack of experience. Here is the deal, I get conceptually the differences between unit testing and ...
5
votes
3answers
2k views

Where should I draw the line between unit tests and integration tests? Should they be separate?

I have a small MVC framework I've been working on. It's code base definitely isn't big, but it's not longer just a couple of classes. I finally decided to take the plunge and start writing tests for ...
1
vote
3answers
448 views

unit/integration testing web service proxy client

I'm rewriting a PHP client/proxy library that provides an interface to a SOAP-based .Net webservice, and in the process I want to add some unit and integration tests so future modifications are less ...
3
votes
1answer
1k views

How to unit test image processing code?

I'm working in image processing (mainly OCR) and I wonder how I should integrate unit tests in my development. I'm already using unit tests for more "common" type of code but when dealing with image ...
0
votes
3answers
351 views

What's wrong performing unit test against concrete implementation if your frameworks are not going to change?

First a bit of background: We are re-architecting our product suite that was written 10 years ago and served its purpose. One thing that we cannot change is the database schema as we have 500+ client ...
12
votes
3answers
3k views

Unit testing C++: What to test?

TL;DR Writing good, useful tests is hard, and has a high cost in C++. Can you experienced developers share your rationale on what and when to test? Long story I used to do test-driven development, ...
1
vote
1answer
316 views

Looking for resources on TDD and BDD [on hold]

I'm doing a presentation this week for Uni on the application of TDD and BDD. I'm trying to focus on types of code (such as algorithms, business logic or crud) and which methodology (if at any at all) ...
3
votes
3answers
831 views

Unit/Integration Testing my DAL

So I've done some research on this but I couldn't quite come to a conclusion, so I figured I'd ask you guys to see if I could get some other opinions. All of my database access is currently done ...
0
votes
3answers
523 views

Testing an IRC Bot [closed]

I'm using Autumn gem to create a Ruby IRC bot for a game. However, it makes me feel rather embarrassed because I don't know how to test this kind of program... I think I should mock the IO process to ...
12
votes
1answer
277 views

Are there any studies on the relationship between software testing practices and developer productivity? [closed]

Are there any studies on the relationship between software testing practices (unit and/or integration tests) and developer productivity?
9
votes
3answers
675 views

Ramping Up On Legacy Code

When starting to work on a project with an existing code base, the first thing that needs to be done is usually to understand the application & existing code. Let's assume that the existing code ...
2
votes
1answer
440 views

Does a project using proper TDD have a lot of code without tests?

Most (all?) TDD resources show you how the cycle goes: Write Test Check Test Write Production Code Check Test Clean up Production Code Check test They also - to me - seem to imply that all code ...
4
votes
1answer
421 views

Integration tests across a 3-tier .NET solution

I have a 3-tiered .NET solution. Database (SQL SERVER 2008) Web Service (SOAP Service - *.asmx) WPF Client I am comfortably writing Unit Tests within (3) The Client. I am currently working on ...
17
votes
7answers
656 views

What can you do about the quality of existing integration and unit tests while being the new guy in a team ?

A recurring theme that I came across in my career is being the new developer to arrive in a team, and quickly having an inherent distrust of the existing unit and integration test suites. During the ...
6
votes
3answers
2k views

Unit testing vs Integration Testing [duplicate]

What is the difference between unit testing and integration testing when it come to web development (where 90-95% of the code relies on a database)? One thing I here all the time is that unit testing ...
14
votes
5answers
1k views

Databases and Unit/Integration Testing

I have had a discussion with someone about unit/integration testing with web applications and I have a disagreement about 1 core idea. The issues is that the person I am talking to think that the ...
0
votes
1answer
92 views

What are the benefits of not having logic within integration tests?

In the excellent http://artofunittesting.com/, i saw recommendation to keep logic out of unit tests. Does this hold true for functional/integration tests?