Linked Questions

2 votes
3 answers
263 views

How do you decompose big object for testing?

I have a package that provides an object with quite a lot of features owned by it. Let us say the object is an HTTPServer, and when the user initializes it by providing config and a request handler ...
5 votes
4 answers
5k views

Extending the class to test it: is this testing approach fine?

I am curious if the following example of testing a class with protected methods is fine. For example, say you have the following class Foo that has method a() of return type Bar: class Foo { ...
2 votes
1 answer
3k views

How to unit test public method which internally calls many internal or private methods which are already individually unit tested [duplicate]

In our ASP.NET Core application, we have many APIs which are calling public method from the service class. Service class is implementing an Interface. Each service method (depending upon complexity ...
-4 votes
3 answers
10k views

How to unit test a public method that calls a private method [duplicate]

Here is a very basic example to illustrate my point class SomeClass { publicMethod1(param1, param2) { if (param1 === "some value") { // do stuff } else { ...
2 votes
3 answers
797 views

How to not violate the single responsibility principle?

Let's say I'm writing a class that tracks a single stock ticker. In this simplified example, the StockTracker class holds a string that tells me the trend direction and a variable window that holds x ...
27 votes
7 answers
19k views

Why did Java make package access default?

I'm asking this question because I believe they did it for a very good reason and that most people do not use it properly, well from my experience in industry so far anyway. But if my theory is true ...
-1 votes
1 answer
94 views

Unit test Service Class [duplicate]

In my project, I have two type of Service Class : The simple one, they are interface that use the DAOs The complicated one, are Rest Api Service The Rest Service will make call to an API, and map ...
3 votes
4 answers
175 views

What is the best practice for a regression test that wants to know about encapsulated information?

Suppose you have two classes: Alpha, and Bravo. Alpha constructs a new Bravo class during its own constructor and exposes no public visibility to it. Bravo has a String named charlie (and a method to ...
3 votes
2 answers
652 views

Test Internals with TDD?

I'm new to TDD, and relatively new to software development in general (e.g. < 4 years experience), but I am trying to learn. I have been toying with TDD but ran into what I know realize is a ...
0 votes
2 answers
6k views

How do I go about unit testing a private method that gets called in a loop like this one? [duplicate]

How do I go about unit testing a private method that gets called in a loop like this one: // Calls MethodToUnitTest in a loop public static string Generate(params int[] values) { ...
1 vote
1 answer
4k views

Testing a private method in Java [duplicate]

I am new writing good test cases, so please bear with me. Writing a test case for private methods public Stock getStock(String stockTicker) { Stock company = new Stock(); ...
1 vote
2 answers
2k views

Why is white box testing discouraged in OOP?

It seems the general consensus for unit testing classes is to test your object through its public interface only. So if you wanted to test the removeElement method on a LinkedList class you'd need to ...
4 votes
2 answers
220 views

continuous integration impact on ticket sizing

I've been doing research on CI (continuous integration) and I can't find any info on the changes CI would introduce to ticket sizing. CI states developers should merge to the mainline every day (or ...
30 votes
8 answers
5k views

Value of using private methods vs all public in classes for internal software for ease of unit testing [duplicate]

Here's a skeleton of a class I built that loops through and deduplicates data - it's in C# but the principles of the question aren't language specific. public static void DedupeFile(FileContents fc) {...
19 votes
5 answers
9k views

When to use interfaces (unit testing, IoC?)

I suspect I've made a schoolboy error here, and am looking for clarification. A lot of the classes in my solution (C#) - dare I say the majority - I've ended up writing a corresponding interface for. ...

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