android - Can't subscribe on a RxJava 2 Observable with TestSubscriber -


why compiler not allowing myself subscribe on observable testsubscriber?

here's code:

testsubscriber<user> testsubscriber = new testsubscriber<>(); observable.just(new user()).subscribe(testsubscriber);

and it's saying can't resolve method subscribe taking parameter. in rxjava testing tutorials, using testsubscriber without such problems. can test such observable?

it because *subscriber meant flowable while observable uses *observer classes. because reactive-streams standard reserves subscriber compliant publisher interface flowable implements.

additionally rxjava2 reactive classes have .test() method directly give appropriate testing object.


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