All Questions
50 questions
2votes
2answers
259views
Where to put interface files for mocking aka what are best practices for organizing interfaces in a C#/.NET Core project with NSubstitute, Moq etc.?
Question I'm working on a C#/.NET Core project, and I'm looking for guidance on organizing interfaces, especially when it comes to using NSubstitute, Moq or other libraries for mocking, because there ...
- 131
1vote
1answer
196views
Abstracting away small function inside a class for easier mocking during testing
I have a function that looks roughly like this: async function getValue(connection: Connection): Promise<number> { const value = await connection.getValue(); return value < 0 ? value :...
- 279
-1votes
3answers
119views
Code Coverage and Unit Tests nomenclature [closed]
About tests: I have the following view on nomenclature: Unit tests are the kind of testes where you have a function ExtractBacon, where there is a function with an entry parameter Pig and a return of ...
- 157
4votes
2answers
701views
How to write maintainable unit tests using classical style of unit testing
When I am using the classical style of unit testing, how do I keep the number of test cases for an object that has many collaborators from growing too large? And how do I keep the setup of each test ...
- 159
2votes
1answer
258views
Test coverage for various code logic permutations... Metadata/Artifacts in algorithm results to describe which case?
I'm sorry if the title is confusing, I don't know if what I am describing has a proper name so let me describe... I have an algorithm which contains quite a bit of nested if/else if/else logic for ...
- 261
4votes
5answers
2kviews
When mocking a class in a unit test, how should I handle dependency classes that have multiple similar get methods?
Let's say there's a class that processes text, and it gets that text from another class as a buffer. If this buffer class has multiple get methods, like readLine(), readChar(), readCharCode(), how ...
- 41
0votes
1answer
1kviews
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
1vote
2answers
105views
Where shall we start mocking?
Scenario: Our CLI-script downloads data Therefore, amongst other things such as pre/postprocessing, it calls a function from another (internal) python package (which is maintained by another group) ...
- 269
1vote
4answers
4kviews
How to effectively unit test code with lots of database dependencies?
I find myself writing a lot of boilerplate mocking code for my unit tests. I think there must be a better way. Background I am working on a project that relies on complex configuration that is stored ...
- 127
2votes
3answers
203views
How can I avoid chasing my own tail when testing against complicated return values?
Sometimes there are functions that return complicated data and cannot be divided any further e.g. in the area of signal processing or when reading and decoding a bytestring to another format. How am I ...
- 23
6votes
1answer
16kviews
Should I mock ObjectMapper in my unit tests?
I have different services in a spring application that have a dependency on Jackson ObjectMapper, the unit tests rely on @InjectMocks to inject all the various dependencies to the class that is under ...
- 243
2votes
2answers
2kviews
Unit Testing Controllers without Mocks
I've done a lot of test writing using Mocks, and so I've learned that it makes refactoring difficult due to implementation coupling inherent with Mocks. I've done a lot of reading on the topic tonight,...
- 139
3votes
4answers
1kviews
How do I deal with the fact that I am forced to make helper functions public for testing purposes?
I've encountered several scenarios that require me to mock certain helper methods because they call outside resources. As a result, I'm forced to convert all my helper methods from private into public....
- 173
1vote
1answer
1kviews
Is it better to test with dynamically generated input data or static data?
I have a little React app and I'm ready to test it. The first thing I need to do is to create some input objects with random data. I can proceed in one of two ways: I can create my own fake data line ...
- 21
2votes
2answers
532views
Is it a best practice or anti-pattern to export mock versions of functions for a library?
Context We are creating a library that makes an API (HTTP) request to a 3rd party. During testing we have written mock versions of the functions that make external requests so that we can test the ...
- 137
