Method getJSONP

response.go:973–1018

(
	opChain *chain, method string, callback string, options ...ContentOpts,
)

)

func (r *Response) getJSONP(
	opChain *chain, method string, callback string, options ...ContentOpts,
) interface{} {
	if !r.checkContentOptions(opChain, options, "application/javascript") {
		return nil
	}

	content, ok := r.getContent(opChain, method)
	if !ok {
		return nil
	}

	m := jsonp.FindSubmatch(content)

	if len(m) != 3 || string(m[1]) != callback {
		opChain.fail(AssertionFailure{
			Type: AssertValid,
			Actual: &AssertionValue{
				string(content),
			},
			Errors: []error{
				fmt.Errorf(`expected: JSONP body in form of "%s(<valid json>)"`,
					callback),
			},
		})
		return nil
	}

	var value interface{}

	if err := json.Unmarshal(m[2], &value); err != nil {
		opChain.fail(AssertionFailure{
			Type: AssertValid,
			Actual: &AssertionValue{
				string(content),
			},
			Errors: []error{
				errors.New("failed to decode json"),
				err,
			},
		})
		return nil
	}

	return value
}

func (r *Response) checkContentOptions(
	opChain *chain, options []ContentOpts, expectedType string, expectedCharset ...string,