Unit testing is a method by which individual units of source code are tested to determine if they are fit for use.
0
votes
0answers
34 views
Bringing in unit test code with Mocking Frameworks in an established ASP.NET C# software application
Here is the information about my development environment:
MongoDB 3.0.0
MongoDB C# Driver Version 1.7.0.4714
Microsoft Visual Studio Professional 2013
.NET Framework 4.0
We are about to do our ...
4
votes
2answers
92 views
The concept of “quality gates” in software testing
We are using SonarQube for code quality testing. It tests the quality of code, and not the function of code. It has the concept of quality gates, so you can set for instance a 90% quality gate, ...
4
votes
3answers
131 views
What kinds of bugs can integration testing actually find?
I feel like, in web dev at least, that integration tests can't really find any useful bugs. I can't think of any, at least. If I can use unit tests to verify that one section of my code calls a ...
3
votes
1answer
55 views
How do you properly test a complete software replacement
We have System A (an application and a database) that is built for a specific business department and therefore has business aligned data model and table structure.
System A is a mission critical ...
2
votes
0answers
36 views
Dealing with conditional verification logic using guard assertion
I have parametrized test with 2 variants:
NULL value
and
any NOT NULL value
From this value is depends one assert:
In case NULL it should be checked if object has field1 with value1
In ...
2
votes
2answers
104 views
Are DDD aggregates a good boundary for unit testing?
An aggregate can represent a somewhat stable system boundary.
Does it make sense to write input and output test aggregates to do most testing? In theory we could use an aggregate as a data driven way ...
4
votes
1answer
159 views
How to Structure Simple C++ projects for TDD
I am introducing Google Test into our development environment at work, and would like to encourage a TDD mindset, making this as accessible as possible for new developers to start using. I am looking ...
3
votes
1answer
85 views
Unit testing a large project with few publicly accessible components [duplicate]
I'm asking about C#, but this probably applies to most other languages as well.
Imagine I have a project with a lot of complex logic, split up into a lot of small components. Let's say that, among ...
1
vote
3answers
71 views
How and where to test if the JSON request objects generated by the front-end is valid
We have built a complex Angular application that sends multiple HTTP request to a REST service that is also built in house.
Since both the frontend and the backend is being developed in parallel, ...
0
votes
0answers
30 views
Testing $stateChangeStart
I'm trying to figure out how to test my $rootScope.$on.$stateChangeStart event. Authentication service already has unit tests to check it's functionality, but I'm really trying to do is set up a test ...
2
votes
1answer
98 views
Using Spring in Java Project
I've got a question about a correct usage of Spring.
I know that some people use the DI "aggressively" so that they always use spring and completely eliminate the usage of word "new" in the ...
1
vote
1answer
32 views
Automated test for code that takes a bunch of input data and outputs a bunch of data - should it be split up?
I'm about to write a program and test(s) for it. This question is about how to structure the top-most level integration test.
At the top level, the main program takes a chunk of data, and outputs ...
3
votes
0answers
74 views
How to think about a schedule that pulls from a database as objects
I am working on a personal project using Python. I have been using version control to the best of my abilities and if you would like to check it out and run the app ...
5
votes
7answers
389 views
Is it appropriate to not follow the O/C principle if you have unit test coverage?
I find it more convenient to 'modify'existing classes rather than extending them. Thus, I violate the open closed principle of 'not modifying the compiled and tested source code, instead extending the ...
21
votes
4answers
2k views
How can CI be used for interpreted languages?
I have never used a Continuous Integration system (CI) before. I primarily code in MATLAB, Python or PHP. Neither of these have a build step and I do not see how a CI could be used for my work. A ...
3
votes
2answers
104 views
Verbosity of unit testing in untyped languages
I'm asking myself how verbose I should be when unit testing projects written in untyped languages like Javascript.
Let's take an example for a strongly typed language (C#)
public bool Foo(MyClass ...
7
votes
1answer
188 views
How should the code for a program outputting to command line be tested/designed?
Imagine a program similar to this in Python:
import subprocess
class Example():
_cmd_args = (['ls', '-a', '/usr/bin/'], ['ls', '-al', '/usr/local/bin/'])
_default_args = 0
def ...
-2
votes
1answer
91 views
Dynamic things to test, does it make sense? [closed]
I wrote like seven tests for testing if our network topology was working fine. Each one in a file, so I had test1, test2, test3...
However, right now my boss is asking me for something more dynamic, ...
0
votes
0answers
87 views
What to unit-test when loading a dll?
I wrote a wrapper class that is using a dll. I have a LoadLibrary() function and have wrapped all the functions the dll exports (to match my error codes).
I am not too familiar with unit testing.
I ...
7
votes
2answers
157 views
Is there any value in asserting values prior to acting in unit tests?
Here's a silly psuedo-object to illustrate the point:
public class Testing
{
public object MyUnderlyingObject = new object { Property = 44 };
public MyPropertyWrapper
{
get
...
5
votes
2answers
153 views
Respectable design pattern for making node modules flexible/testable?
I am looking to get some input from some more experienced testers than what I am. :)
I am trying to make my node modules testable, allowing for dependency spying/stubbing/mocking without the need to ...
3
votes
3answers
181 views
Unit Testing and 3rd party packages. Do I mock or not?
I'm just getting used to unit testing and on my new project I decided to adopt a TDD approach.
My code below is to test the UserServices class which is responsible for creating a user, deleting a ...
0
votes
0answers
52 views
Where do you put your profiling code?
I just developed an algorithm and additional to the usual unit tests I wrote a profiling "test" that I was using to measure and optimize its performance. It is structured similar to a test (arrange: ...
0
votes
0answers
26 views
Running unit tests for an Azure solution built by TeamCity
We have a solution containing a Web Role and Worker Role. This is built by TeamCity and deployed by Octopus Deploy to a Microsoft Azure environment. The solution contains unit test assemblies (MSTest) ...
0
votes
2answers
175 views
Should a Junior programmer add TDD tests to mvc project
I'm a junior programmer near to my 6 month probation, following my initial career changing 3 month assignment in which I added TDD tests and wondering whether I should add tests to my current work. ...
-2
votes
3answers
157 views
What is the most elemental workflow for TDD?
Gradle is such an interesting build tool that it prompted me to look at Spock and JUnit -- which I've never done before. What is the basic workflow with TDD?
My approach has been to do frequent ...
4
votes
3answers
93 views
Unit Testing Module-Internal Functions
I'm writing a simple whitebox unit testing suite for a project I'm working on in C. The project is broken into modules (each has a .c file with an associated .h file), and all modules are compiled ...
4
votes
1answer
82 views
When does it make sense to include test code in coverage?
Many coverage tools evaluate an entire project, including unit test code itself. In VS 2013, the Analyze Code Coverage/All Tests option includes test code in its report. OpenCover does so as well I ...
2
votes
2answers
126 views
What is it called when you test a microservice by mocking the dependencies?
I've a RESTFul microservice written in Grails. This microservice has it's own DB. It also depends on two other microservices.
A typical workflow of the service is:
Receives a GET request from a ...
4
votes
1answer
75 views
Writing a valid Test Case for validating XMLs
How would I write a unit test, say JUnit, for validating an XML file?
I have an application that creates a document as an XML file. In order to validate this XML structure, do I need to create an XML ...
4
votes
2answers
91 views
How do you evaluate automated testing for a particular product/project?
Automated testing is pretty hyped-up in recent years, with particular emphasis on TDD at the "unit" level. The touted advantages include things like:
Stabilizing existing code: breaking changes are ...
2
votes
1answer
83 views
How far do I, or can I take TDD tests with Service Objects?
In writing PHPSPEC tests for a Zend Framework 2 application, I'm left wondering how far to 'dig'. Consider this very simple case:
A DomainService (Domain in the URL sense of the word) should be ...
80
votes
9answers
8k views
What's the point of running unit tests on a CI server?
Why would you run unit tests on a CI server?
Surely, by the time something gets committed to master, a developer has already run all the unit tests before and fixed any errors that might've occurred ...
1
vote
1answer
73 views
Unit test express controllers?
I'm using meanjs for a project. It includes a yeoman generator with some express tests (model.test.js & routes.test.js)
The tests do exactly what they advertise. My question is though, should I ...
2
votes
2answers
149 views
Differences between Given When Then (GWT) and Arrange Act Assert (AAA)?
In TDD there is Arrange Act Assert (AAA) syntax:
[Test]
public void Test_ReturnItemForRefund_ReturnsStockOfBlackSweatersAsTwo_WhenOneInStockAndOneIsReturned()
{
//Arrange
ShopStock shopStock ...
0
votes
3answers
117 views
At what point in a projects life-cycle do you begin writing tests? [duplicate]
I'm not in the field, so I don't have any professional experience from projects following the TDD design. I am trying to adopt this pattern, but I'm confused as to when I start actually writing the ...
1
vote
1answer
63 views
How can you easily unit test deserialization to different versions of an object?
I am using the protobuf-net library for serialization/deserialization of messages.
Due to the distributed nature of the application some applications will have an older version of the object that is ...
7
votes
1answer
103 views
Unit Testing: Assembler code and different architectures
I am currently unit testing some C code and I am faced with a problem:
Within the code there are called functions that contain inline assembler code for the SPARC 8 architecture.
Since I am doing ...
6
votes
2answers
277 views
How does breaking up a big method into smaller methods improve unit testability when the methods are all private?
I'm presently reading Building Maintainable Software by Joost Visser and some of the maintenance guidelines they recommend include: A) each unit/method should be short (less than 15 lines per method) ...
3
votes
3answers
131 views
How do you test a selenium framework?
I have a very large selenium test framework I use to test a web application. It it built around a page-object pattern.
This week I fixed a bug in a low level piece of the framework, but it broke many ...
1
vote
2answers
82 views
how to unit test constant that define an implementation detail?
How do I unit test a constant that define an implementation detail? and should I?
For instance let's say I have the following class:
class A
{
private Cache _cache;
const int ...
2
votes
2answers
121 views
How unit test service method that use repository method
For service methods that call repository methods to interact with database how could I unit test these service methods?
For example,
public function updateSlideshow($data){
// do some logic ...
8
votes
3answers
318 views
Anonymous namespaces make code untestable
Here is a typical C++ code:
foo.hpp
#pragma once
class Foo {
public:
void f();
void g();
...
};
foo.cpp
#include "foo.hpp"
namespace {
const int kUpperX = 111;
const int ...
5
votes
2answers
950 views
Should I write automated unit tests that fail when the code changes?
Generally when writing automated unit tests (eg JUnit, Karma) I aim to:
cover all the boundary conditions
get a high level of coverage.
I heard someone say:
coverage and boundary conditions ...
13
votes
5answers
508 views
Broken Old/Legacy Unit Tests
I work for a big company and I'm responsible for a large java application with thousands of junit tests. Since I moved to this role, there have been 200-300 broken tests (likely broken for years). ...
2
votes
2answers
82 views
Having a TestContext to test methods instead of Dependency Injection
I am working on a legacy code base and I need to find a way to write unit tests for this project.
The project has a three layer architecture (UI-Biz-DAL as we call them) and DAL is totally ...
1
vote
2answers
97 views
Testing using mocking, must I mock all dependencies too?
I have the following method to test:
public List<MarkId> getMarkIdList(ICar carDoc) {
ICourseCar courseCarDoc = courseCarRep.get(carDoc);
List<MarkWag> markWagList = ...
4
votes
3answers
165 views
How narrow should my unit tests be?
Here's an example:
I have a chat module in my app, and there's a ChatService class that is responsible for networking, and there's a ChatNotificationService helper class that is responsible for ...
5
votes
1answer
171 views
Unit testing an API client and wrappers
I've been going round in circles trying to figure out the best way to unit test an API client library I'm developing. The library has a Client class which basically has a 1:1 mapping with the API, and ...
2
votes
1answer
97 views
How to move Python doctest examples into another unit test framework?
Years ago AFAIK the mathematitician and software developer Tim Peters discovered that very often the documentation of APIs tends to get out of date over time during the software live cycle, because ...
