All Questions
Tagged with completable-future mockito
28 questions
0
votes
0
answers
51
views
JUnit integration test fails but Postman test passes with NullPointerException
Please ignore the excessive proliferation of logging. I'm desperate. The code below works when I run the application as a Spring Boot Applicant and use Postman to do a PUT with all of the same ...
0
votes
1
answer
123
views
JUnit Test method invocation with CompletableFuture.supplyAsync
in my class i have i class-field, which i'am verfing, that the method of this class-field is invoked three times. Now i moved the logic to "CompletableFuture.sypplyAsync" approach and it ...
- 636
0
votes
1
answer
211
views
PowerMockito verifyStatic: validating async call to static method
I'm making call to an external system via a static method
MyExternalServiceAccessor.myMethod(param1, param2);
And so far I've been unit-testing above using PowerMockito's verifyStatic as follows
...
- 11.7k
0
votes
1
answer
106
views
How to test private method passed in the supplier method of CompletableFuture.supplyAsync method?
I want to write JUnit test for a public method which uses CompletableFuture.supplyAsync to process some data and then save it to the DB. However, the supplier method passed contains a private method ...
2
votes
1
answer
1k
views
Mocking static objects under completable future supply async
Consider below code snippet:
class XYZ {
public static getFieldABC(){
return new ABC();
}
}
...
CompletableFuture.supplyAsync(() -> XYZ.getFieldABC())
...
I need to unit test this piece of ...
- 21
0
votes
0
answers
303
views
Unit testing CompletableFutures, Junit, Mockito, @RunWith(SpringRunner.class)
I need help testing this CF's.
public class RateHandler {
public Response firstMethod(RateRequest, Context context) {
CompletableFuture<Response> rateRespCf = CompletableFuture....
- 149
2
votes
1
answer
1k
views
How to write JUnit5 or Mockito test for a retry mechanism built using Supplier<CompletableFuture> as a method param?
Have a common framework that isn't server specific which we use to import and re-use objects inside our microservices but can be used for any particular Java program which supports Java 8.
Was tasked ...
- 5,404
0
votes
1
answer
1k
views
Mocking the CompletableFuture.join() for IntegrationTests
Iam writing the Integration test cases and i was stuck at point where i was not able to mock the
CompletableFuture.join()
Firstly,
I will make an async call and add all the responses to list
@Async(&...
- 195
3
votes
2
answers
15k
views
Testing CompletableFuture.supplyAsync with Mockito
I am trying to test CompletableFuture.supplyAsync function with mockito but the test is not completing probably because the completable future is not returning. I am not sure what I am missing in the ...
- 304
0
votes
1
answer
950
views
How to mock a CompletableFuture in Kotlin
We have some code to read data from DynamoDB:
suspend fun getKeys(owner: String): Set<String> {
...
val query = ...
query.subscribe { page -> foo(page) }.await()
return ...
}
...
- 14.7k
0
votes
1
answer
266
views
Test method which invokes another method with runAsync() block
I would be grateful for any advice or practices which you follow.
We use Mockito and Junit4/5 to to write unit tests. However, I see that some tests fail at prod
(when at the end of a test you verify ...
- 101
0
votes
1
answer
2k
views
Unit tests for testing methods returning CompletableFuture always returns NullPointerException
I have a SpringBoot Component and few methods. It returns CompletableFuture and I want to cover those lines with Unit Tests. But it always ends up in NullPointer Exception.
@Component
Class ...
- 101
2
votes
0
answers
440
views
How to test that method is called after all previous async tasks are done? CompletableFuture in java
I have a case where I have three methods like this:
public void mainMethod() {
foo1();
foo2();
bar();
}
In second method (foo2) I am using CompletableFuture to block all async tasks which ...
- 738
0
votes
1
answer
743
views
Java - Mockito - CompletableFutures - Unexpected Result of Tested Method
I have a very strange corner case where a future doesn't complete as expected once every couple of thousands of runs. Only way I'm able to consistently trigger the fault is to have the test run on ...
- 187
1
vote
1
answer
5k
views
Testing CompletableFuture.allOf. join takes forever
I am trying to test a method that uses CompletableFuture.allOf.
I mock the futures so that they return the needed value when joined.
for some reason which I can't understand. join() of result takes ...
- 420