Linked Questions
20 questions linked to/from How do you unit test private methods?
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)
{...
27
votes
7
answers
18k
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 ...
20
votes
3
answers
9k
views
Designing unit tests for a stateful system
Background
Test Driven Development was popularized after I already finished school and in the industry. I am trying to learn it, but some major things still escape me. TDD proponents say lots of ...
19
votes
5
answers
8k
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. ...
10
votes
3
answers
2k
views
Unit testing methods that call suppliers webservices
I have a class with one public method Send() and a few private methods. It calls a couple of webservices and processes the reponse. The processing is done in private methods.
I want to unit test the ...
10
votes
1
answer
13k
views
Testing private methods as protected
I was reading this answer about testing private methods and it mentioned several possibilities:
extract methods as public to another class
make them public
separate the env of test and production ...
4
votes
4
answers
3k
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 {
...
4
votes
2
answers
204
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 ...
3
votes
4
answers
170
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
637
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 ...
3
votes
0
answers
100
views
How to properly test many methods when main logic is in private method [duplicate]
This is a little bit of follow up question to How to test private methods. I totally agree (and experienced what happens when you try) that we should not test private methods. Sometimes though it ...
2
votes
3
answers
723
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 ...
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 ...
1
vote
1
answer
2k
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 ...
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();
...