All Questions
Tagged with java unit-testing
116 questions
4
votes
3
answers
320
views
Clearing static state before testing each method
My SUT class depends on external static state (which generally should be avoided, I know).
How do I make sure my tests do not depend on their order of execution?
I mean other by introducing some reset(...
- 1,589
0
votes
0
answers
70
views
Is Spring Boot Unit Test Coverage with Integration tests only a bad practice?
I have recently come across a few codebases at work where the previous developers chose to reach the >80% coverage criteria by writing only integration tests with the @SpringBootTest annotation ...
- 1
0
votes
1
answer
124
views
Feasibility of using different java version for different project with different compatibility properties
I have multiple Flutter Android app projects that have different compatibilities of Java.
Now, what should I do if I am developing more than one project simultaneously?
If the first one uses Java 17, ...
- 131
0
votes
3
answers
434
views
Would you test this piece of configuration code? How do I determine which code is worth testing?
We have a piece of code that decorates an interface to transparently add retry logic.
Inversion of Control configuration
service.AddOurRestApiClient()
.AddResilienceHandler("Retry", ...
- 169
2
votes
3
answers
264
views
Should edge cases be part of one test, or each their own case?
I am writing tests TDD-style for a cryptography package containing encryption and decryption methods. I test my methods with various kinds of inputs, including multiline strings, mixed case, calling ...
- 222
2
votes
2
answers
406
views
Should mocks used in unit tests represent entireties or subsets?
I was working on a unit test that has a mock object looking something like:
public class TestMock
{
static {
Doodad a = new Doodad(0);
Doodad b = new Doodad(1);
Doodad c = ...
- 1,047
0
votes
1
answer
1k
views
Mock a bean with 10 methods when I only use one?
I face some situations similar to the following simplified one:
@Component class ServiceOne {
@Autowired ServiceTwo two;
void act() {
...
two.a();
...
}
}
@...
- 181
0
votes
1
answer
811
views
Unit testing parts that use a Value Object that is being created by a Factory
Here is the conundrum,
I have a fairly complex Value Object and I don't want to expose it's internals. It should not be an Entity since there is no need for attaching an identity to it. According to ...
- 3
36
votes
3
answers
6k
views
What is the point of repeatedly executing the same test?
I have recently learned about the not-well-known and not-widely-used annotation @RepeatedTest that, as the name implies, repeats the very same test n-times. Baeldung provides a short guide to this ...
- 603
1
vote
2
answers
531
views
How to avoid unit test duplication in wrapper classes?
Assuming I’ve a class with three methods, startCollection, add, endCollection.
One test case is: if start was not called, add should return an error.
I’ve mocked the persistency storing the state with ...
user374484
1
vote
2
answers
342
views
Best Practice: Unit test coverage vs. in-method sanity checks [duplicate]
I have a code-coverage requirement of of a certain percentage, and face the following tradeoff:
Should I sacrifice in-method sanity checks and error handling for ease of (unit-) testability?
Lets ...
- 269
0
votes
2
answers
238
views
Is there any benefit testing only with mocks/fakes/doubles?
Say I want to test the behavior of the GUI while I follow a PassiveView approach. I also use the command pattern to handle the actions of the user. So given a PersonView and a PersonService with a ...
- 705
5
votes
4
answers
6k
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 {
...
- 175
0
votes
2
answers
104
views
How to cover by tests HTTP API wrapping library
As mentioned in title, I don't understand how I supposed to cover by tests code which is just wrap http api.
I guess I can write only unit tests, because wrapped service is paid. Integration tests in ...
0
votes
1
answer
2k
views
Java: Splitting a large unit test class
The project (Java/Spring) I currently work on has a rather large unit-test class for one of its services : more than 1000 lines, several Nested class (one per big functionality), some tests without a ...
- 125