ruby on rails - Avoiding multiple API Calls in Rspec tests -

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i trying test "scan" method have. within scan method, make api call (among other things).

how can test method without triggering unneeded api calls?

one approach stub out call api:

allow(thing).to receive(:action).and_return(response)

another approach allow api call go through, intercept , return mock response using vcr. "record" request , "play back".

vcr handy when need handle the entire response in test subject. run test against real api 1 time, subsequent tests can use vcr "cassette". otoh slower stubbing call, if need mock status , not entire response.

tl:dr, stub if can, don't hesitate use vcr when saves work.


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