How to mock the optional ResponseEntity code below for code coverage. Could someone please assist?


This Content is from Stack Overflow. Question asked by Chaitanya

public ResponseEntity<Optional> getData(@RequestBody RequestModel requestModel) {
try {
List mango = new ArrayList();


        Optional<Mango> res =;
        if (!res.isPresent()) {
            return new ResponseEntity<>(HttpStatus.NO_CONTENT);

        return new ResponseEntity<>(res, HttpStatus.OK);
    } catch (Exception e) {
        return new ResponseEntity<>(null, HttpStatus.INTERNAL_SERVER_ERROR);


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